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util/perl/OpenSSL/config.pm: refactor guess_system()
[thirdparty/openssl.git] / Configure
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de17db91 1#! /usr/bin/env perl
f4d8f037 2# -*- mode: perl; -*-
33388b44 3# Copyright 2016-2020 The OpenSSL Project Authors. All Rights Reserved.
ac3d0e13 4#
402dd558 5# Licensed under the Apache License 2.0 (the "License"). You may not use
ac3d0e13
RS		 6# this file except in compliance with the License. You can obtain a copy
7# in the file LICENSE in the source distribution or at
8# https://www.openssl.org/source/license.html
de17db91 9
a4ed5532 10## Configure -- OpenSSL source tree configuration script
1641cb60 11
d83112b7 12use 5.10.0;
1641cb60 13use strict;
141d7325 14use Config;
cb6afcd6
RL		 15use FindBin;
16use lib "$FindBin::Bin/util/perl";
f09e7ca9 17use File::Basename;
7f73eafe 18use File::Spec::Functions qw/:DEFAULT abs2rel rel2abs splitdir/;
dca99383 19use File::Path qw/mkpath/;
1935a586 20use OpenSSL::fallback "$FindBin::Bin/external/perl/MODULES.txt";
8d2214c0 21use OpenSSL::Glob;
1f86b822 22use OpenSSL::Template;
e39795af 23use OpenSSL::config;
1641cb60 24
f828ba03 25# see INSTALL.md for instructions.
462ba4f6 26
8937a4ed
RL		 27my $orig_death_handler = $SIG{__DIE__};
28$SIG{__DIE__} = \&death_handler;
29
31b6ed76 30my $usage="Usage: Configure [no-<cipher> ...] [enable-<cipher> ...] [-Dxxx] [-lxxx] [-Lxxx] [-fxxx] [-Kxxx] [no-hw-xxx|no-hw] [[no-]threads] [[no-]shared] [[no-]zlib|zlib-dynamic] [no-asm] [no-egd] [sctp] [386] [--prefix=DIR] [--openssldir=OPENSSLDIR] [--with-xxx[=vvv]] [--config=FILE] os/compiler[:flags]\n";
462ba4f6 31
434c5dd3 32# Options:
e5f3045f 33#
f09e7ca9
RS		 34# --config add the given configuration file, which will be read after
35# any "Configurations*" files that are found in the same
36# directory as this script.
d74dfafd
RL		 37# --prefix prefix for the OpenSSL installation, which includes the
38# directories bin, lib, include, share/man, share/doc/openssl
39# This becomes the value of INSTALLTOP in Makefile
40# (Default: /usr/local)
41# --openssldir OpenSSL data area, such as openssl.cnf, certificates and keys.
42# If it's a relative directory, it will be added on the directory
43# given with --prefix.
44# This becomes the value of OPENSSLDIR in Makefile and in C.
45# (Default: PREFIX/ssl)
e5f3045f 46#
cbfb39d1
AP		 47# --cross-compile-prefix Add specified prefix to binutils components.
48#
a6a4d0ac
RL		 49# --api One of 0.9.8, 1.0.0, 1.0.1, 1.0.2, 1.1.0, 1.1.1, or 3.0
50# Define the public APIs as they were for that version
51# including patch releases. If 'no-deprecated' is also
52# given, do not compile support for interfaces deprecated
53# up to and including the specified OpenSSL version.
98186eb4 54#
5270e702
RL		 55# no-hw-xxx do not compile support for specific crypto hardware.
56# Generic OpenSSL-style methods relating to this support
57# are always compiled but return NULL if the hardware
58# support isn't compiled.
59# no-hw do not compile support for any crypto hardware.
5f8d5c96
BM		 60# [no-]threads [don't] try to create a library that is suitable for
61# multithreaded applications (default is "threads" if we
62# know how to do it)
84f32c84 63# [no-]shared [don't] try to create shared libraries when supported.
ae48242c 64# [no-]pic [don't] try to build position independent code when supported.
45b71abe 65# If disabled, it also disables shared and dynamic-engine.
a723979d 66# no-asm do not use assembler
0423f812 67# no-egd do not compile support for the entropy-gathering daemon APIs
e452de9d 68# [no-]zlib [don't] compile support for zlib compression.
84f32c84
DMSP		 69# zlib-dynamic Like "zlib", but the zlib library is expected to be a shared
70# library and will be loaded in run-time by the OpenSSL library.
7e159e01 71# sctp include SCTP support
5ded1ca6 72# no-uplink Don't build support for UPLINK interface.
8b1a5af3 73# enable-weak-ssl-ciphers
edcdf38b 74# Enable weak ciphers that are disabled by default.
5ae5dc96
AP		 75# 386 generate 80386 code in assembly modules
76# no-sse2 disables IA-32 SSE2 code in assembly modules, the above
77# mentioned '386' option implies this one
79df9d62 78# no-<cipher> build without specified algorithm (rsa, idea, rc5, ...)
f246f54f
DMSP		 79# -<xxx> +<xxx> All options which are unknown to the 'Configure' script are
80# /<xxx> passed through to the compiler. Unix-style options beginning
81# with a '-' or '+' are recognized, as well as Windows-style
82# options beginning with a '/'. If the option contains arguments
83# separated by spaces, then the URL-style notation %20 can be
84# used for the space character in order to avoid having to quote
85# the option. For example, -opt%20arg gets expanded to -opt arg.
86# In fact, any ASCII character can be encoded as %xx using its
87# hexadecimal encoding.
047d97af
AP		 88# -static while -static is also a pass-through compiler option (and
89# as such is limited to environments where it's actually
90# meaningful), it triggers a number configuration options,
31b6ed76 91# namely no-pic, no-shared and no-threads. It is
047d97af
AP		 92# argued that the only reason to produce statically linked
93# binaries (and in context it means executables linked with
94# -static flag, and not just executables linked with static
95# libcrypto.a) is to eliminate dependency on specific run-time,
96# a.k.a. libc version. The mentioned config options are meant
97# to achieve just that. Unfortunately on Linux it's impossible
98# to eliminate the dependency completely for openssl executable
99# because of getaddrinfo and gethostbyname calls, which can
100# invoke dynamically loadable library facility anyway to meet
101# the lookup requests. For this reason on Linux statically
102# linked openssl executable has rather debugging value than
103# production quality.
e41c8d6a 104#
84f32c84
DMSP		 105# BN_LLONG use the type 'long long' in crypto/bn/bn.h
106# RC4_CHAR use 'char' instead of 'int' for RC4_INT in crypto/rc4/rc4.h
d0590fe6
AP		 107# Following are set automatically by this script
108#
84f32c84
DMSP		 109# MD5_ASM use some extra md5 assembler,
110# SHA1_ASM use some extra sha1 assembler, must define L_ENDIAN for x86
111# RMD160_ASM use some extra ripemd160 assembler,
112# SHA256_ASM sha256_block is implemented in assembler
113# SHA512_ASM sha512_block is implemented in assembler
114# AES_ASM AES_[en|de]crypt is implemented in assembler
d02b48c6 115
3b437400
RL		 116# Minimum warning options... any contributions to OpenSSL should at least
117# get past these. Note that we only use these with C compilers, not with
118# C++ compilers.
363bd0b4 119
463a7b8c 120# DEBUG_UNUSED enables __owur (warn unused result) checks.
77305338
RS		 121# -DPEDANTIC complements -pedantic and is meant to mask code that
122# is not strictly standard-compliant and/or implementation-specific,
123# e.g. inline assembly, disregards to alignment requirements, such
124# that -pedantic would complain about. Incidentally -DPEDANTIC has
125# to be used even in sanitized builds, because sanitizer too is
126# supposed to and does take notice of non-standard behaviour. Then
127# -pedantic with pre-C9x compiler would also complain about 'long
128# long' not being supported. As 64-bit algorithms are common now,
129# it grew impossible to resolve this without sizeable additional
130# code, so we just tell compiler to be pedantic about everything
131# but 'long long' type.
132
3b437400
RL		 133my @gcc_devteam_warn = qw(
134 -DDEBUG_UNUSED
135 -DPEDANTIC -pedantic -Wno-long-long
136 -Wall
137 -Wextra
138 -Wno-unused-parameter
139 -Wno-missing-field-initializers
140 -Wswitch
141 -Wsign-compare
142 -Wshadow
143 -Wformat
144 -Wtype-limits
145 -Wundef
146 -Werror
147 -Wmissing-prototypes
148 -Wstrict-prototypes
149);
363bd0b4 150
190c8c60
BL		 151# These are used in addition to $gcc_devteam_warn when the compiler is clang.
152# TODO(openssl-team): fix problems and investigate if (at least) the
480405e4 153# following warnings can also be enabled:
8bccbce5 154# -Wcast-align
77305338 155# -Wunreachable-code -- no, too ugly/compiler-specific
a773b52a
RS		 156# -Wlanguage-extension-token -- no, we use asm()
157# -Wunused-macros -- no, too tricky for BN and _XOPEN_SOURCE etc
158# -Wextended-offsetof -- no, needed in CMS ASN1 code
3b437400 159my @clang_devteam_warn = qw(
03e56683 160 -Wno-unknown-warning-option
3b437400
RL		 161 -Wswitch-default
162 -Wno-parentheses-equality
163 -Wno-language-extension-token
164 -Wno-extended-offsetof
165 -Wconditional-uninitialized
166 -Wincompatible-pointer-types-discards-qualifiers
3b437400
RL		 167 -Wmissing-variable-declarations
168);
cb2bc054 169
b4a7b4ec
RL		 170my @cl_devteam_warn = qw(
171 /WX
172);
173
0c28f277
DSH		 174my $strict_warnings = 0;
175
b7efa56a 176# As for $BSDthreads. Idea is to maintain "collective" set of flags,
fce0ba5f 177# which would cover all BSD flavors. -pthread applies to them all,
b7efa56a
AP		 178# but is treated differently. OpenBSD expands is as -D_POSIX_THREAD
179# -lc_r, which is sufficient. FreeBSD 4.x expands it as -lc_r,
180# which has to be accompanied by explicit -D_THREAD_SAFE and
181# sometimes -D_REENTRANT. FreeBSD 5.x expands it as -lc_r, which
182# seems to be sufficient?
9c62a279 183our $BSDthreads="-pthread -D_THREAD_SAFE -D_REENTRANT";
d02b48c6 184
98186eb4 185#
f430ba31 186# API compatibility name to version number mapping.
98186eb4 187#
98186eb4 188my $apitable = {
a6a4d0ac
RL		 189 # This table expresses when API additions or changes can occur.
190 # The numbering used changes from 3.0 and on because we updated
191 # (solidified) our version numbering scheme at that point.
192
193 # From 3.0 and on, we internalise the given version number in dedcimal
194 # as MAJOR * 10000 + MINOR * 100 + 0
195 "3.0.0" => 30000,
196 "3.0" => 30000,
197
198 # Note that before 3.0, we didn't have the same version number scheme.
199 # Still, the numbering we use here covers what we need.
200 "1.1.1" => 10101,
201 "1.1.0" => 10100,
202 "1.0.2" => 10002,
203 "1.0.1" => 10001,
204 "1.0.0" => 10000,
205 "0.9.8" => 908,
98186eb4
VD		 206};
207
9e0724a1 208our %table = ();
291e94df 209our %config = ();
98fdbce0 210our %withargs = ();
f770d75b
AP		 211our $now_printing; # set to current entry's name in print_table_entry
212 # (todo: right thing would be to encapsulate name
213 # into %target [class] and make print_table_entry
214 # a method)
3e83e686 215
bd5192b1 216# Forward declarations ###############################################
7ead0c89 217
bd5192b1
RL		 218# read_config(filename)
219#
220# Reads a configuration file and populates %table with the contents
221# (which the configuration file places in %targets).
222sub read_config;
7d46b942 223
bd5192b1
RL		 224# resolve_config(target)
225#
8483a003 226# Resolves all the late evaluations, inheritances and so on for the
bd5192b1
RL		 227# chosen target and any target it inherits from.
228sub resolve_config;
7d46b942 229
15c7adb0 230
107b5792
RL		 231# Information collection #############################################
232
9fe2bb77 233# Unified build supports separate build dir
ec182ef0
RL		 234my $srcdir = catdir(absolutedir(dirname($0))); # catdir ensures local syntax
235my $blddir = catdir(absolutedir(".")); # catdir ensures local syntax
9fe2bb77
RL		 236my $dofile = abs2rel(catfile($srcdir, "util/dofile.pl"));
237
b5293d4c
RL		 238my $local_config_envname = 'OPENSSL_LOCAL_CONFIG_DIR';
239
9fe2bb77
RL		 240$config{sourcedir} = abs2rel($srcdir);
241$config{builddir} = abs2rel($blddir);
242
ee4cdb7f
RL		 243# Collect reconfiguration information if needed
244my @argvcopy=@ARGV;
245
246if (grep /^reconf(igure)?$/, @argvcopy) {
99aeeecb
RL		 247 die "reconfiguring with other arguments present isn't supported"
248 if scalar @argvcopy > 1;
ee4cdb7f 249 if (-f "./configdata.pm") {
84f32c84
DMSP		 250 my $file = "./configdata.pm";
251 unless (my $return = do $file) {
252 die "couldn't parse $file: $@" if $@;
ee4cdb7f
RL		 253 die "couldn't do $file: $!" unless defined $return;
254 die "couldn't run $file" unless $return;
84f32c84 255 }
ee4cdb7f 256
84f32c84
DMSP		 257 @argvcopy = defined($configdata::config{perlargv}) ?
258 @{$configdata::config{perlargv}} : ();
259 die "Incorrect data to reconfigure, please do a normal configuration\n"
260 if (grep(/^reconf/,@argvcopy));
261 $config{perlenv} = $configdata::config{perlenv} // {};
ee4cdb7f 262 } else {
84f32c84 263 die "Insufficient data to reconfigure, please do a normal configuration\n";
ee4cdb7f
RL		 264 }
265}
266
267$config{perlargv} = [ @argvcopy ];
268
b16654a2
RL		 269# Historical: if known directories in crypto/ have been removed, it means
270# that those sub-systems are disabled.
271# (the other option would be to removed them from the SUBDIRS statement in
272# crypto/build.info)
273# We reverse the input list for cosmetic purely reasons, to compensate that
274# 'unshift' adds at the front of the list (i.e. in reverse input order).
275foreach ( reverse sort( 'aes', 'aria', 'bf', 'camellia', 'cast', 'des', 'dh',
276 'dsa', 'ec', 'hmac', 'idea', 'md2', 'md5', 'mdc2',
277 'rc2', 'rc4', 'rc5', 'ripemd', 'rsa', 'seed', 'sha',
278 'sm2', 'sm3', 'sm4') ) {
279 unshift @argvcopy, "no-$_" if ! -d catdir($srcdir, 'crypto', $_);
280}
281
107b5792 282# Collect version numbers
20551b2e 283my %version = ();
107b5792
RL		 284
285collect_information(
20551b2e
RL		 286 collect_from_file(catfile($srcdir,'VERSION')),
287 qr/\s*(\w+)\s*=\s*(.*?)\s*$/ =>
288 sub {
289 # Only define it if there is a value at all
6a960a94
RL		 290 if ($2 ne '') {
291 my $k = $1;
292 my $v = $2;
293 # Some values are quoted. Trim the quotes
294 $v = $1 if $v =~ /^"(.*)"$/;
295 $version{uc $k} = $v;
296 }
20551b2e
RL		 297 },
298 "OTHERWISE" =>
299 sub { die "Something wrong with this line:\n$_\nin $srcdir/VERSION" },
107b5792 300 );
20551b2e
RL		 301
302$config{major} = $version{MAJOR} // 'unknown';
303$config{minor} = $version{MINOR} // 'unknown';
304$config{patch} = $version{PATCH} // 'unknown';
305$config{prerelease} =
306 defined $version{PRE_RELEASE_TAG} ? "-$version{PRE_RELEASE_TAG}" : '';
307$config{build_metadata} =
308 defined $version{BUILD_METADATA} ? "+$version{BUILD_METADATA}" : '';
309$config{shlib_version} = $version{SHLIB_VERSION} // 'unknown';
310$config{release_date} = $version{RELEASE_DATE} // 'xx XXX xxxx';
107b5792 311
16942e08
DMSP		 312$config{version} = "$config{major}.$config{minor}.$config{patch}";
313$config{full_version} = "$config{version}$config{prerelease}$config{build_metadata}";
314
20551b2e
RL		 315die "erroneous version information in VERSION: ",
316 "$config{version}, $config{shlib_version}\n"
317 unless (defined $version{MAJOR}
318 && defined $version{MINOR}
319 && defined $version{PATCH}
320 && defined $version{SHLIB_VERSION});
321
107b5792
RL		 322# Collect target configurations
323
85152ca4 324my $pattern = catfile(dirname($0), "Configurations", "*.conf");
97855556 325foreach (sort glob($pattern)) {
f09e7ca9
RS		 326 &read_config($_);
327}
d02b48c6 328
7ecdf18d 329if (defined env($local_config_envname)) {
b5293d4c
RL		 330 if ($^O eq 'VMS') {
331 # VMS environment variables are logical names,
332 # which can be used as is
333 $pattern = $local_config_envname . ':' . '*.conf';
334 } else {
7ecdf18d 335 $pattern = catfile(env($local_config_envname), '*.conf');
b5293d4c
RL		 336 }
337
97855556 338 foreach (sort glob($pattern)) {
b5293d4c
RL		 339 &read_config($_);
340 }
341}
342
d5fa7035
RL		 343# Save away perl command information
344$config{perl_cmd} = $^X;
345$config{perl_version} = $Config{version};
346$config{perl_archname} = $Config{archname};
347
291e94df
RL		 348$config{prefix}="";
349$config{openssldir}="";
7d130f68 350$config{processor}="";
107b5792 351$config{libdir}="";
9c62a279 352my $auto_threads=1; # enable threads automatically? true by default
0396479d 353my $default_ranlib;
107b5792 354
6b01bed2 355# Known TLS and DTLS protocols
84a68336 356my @tls = qw(ssl3 tls1 tls1_1 tls1_2 tls1_3);
6b01bed2
VD		 357my @dtls = qw(dtls1 dtls1_2);
358
8483a003 359# Explicitly known options that are possible to disable. They can
8b527be2
RL		 360# be regexps, and will be used like this: /^no-${option}$/
361# For developers: keep it sorted alphabetically
362
363my @disablables = (
4f2271d5 364 "acvp_tests",
c91a0a83 365 "afalgeng",
d42d0a4d 366 "aria",
c38bb727 367 "asan",
8b527be2 368 "asm",
52739e40 369 "async",
b184e3ef 370 "autoalginit",
498abff0 371 "autoerrinit",
dbabc862 372 "autoload-config",
8b527be2 373 "bf",
2d0b4412 374 "blake2",
ac4033d6 375 "buildtest-c++",
8b527be2
RL		 376 "camellia",
377 "capieng",
378 "cast",
48f14845 379 "chacha",
8b527be2 380 "cmac",
538f38db 381 "cmp",
8b527be2
RL		 382 "cms",
383 "comp",
3e45d393 384 "crypto-mdebug",
8b527be2
RL		 385 "ct",
386 "deprecated",
387 "des",
619eb33a 388 "devcryptoeng",
8b527be2
RL		 389 "dgram",
390 "dh",
391 "dsa",
3b2f8c77 392 "dso",
a5ecdc6a 393 "dtls",
343ec2b0 394 "dynamic-engine",
8b527be2
RL		 395 "ec",
396 "ec2m",
6b01bed2
VD		 397 "ecdh",
398 "ecdsa",
8b527be2 399 "ec_nistp_64_gcc_128",
b31feae6 400 "egd",
8b527be2 401 "engine",
1288f26f 402 "err",
ce2596d4 403 "external-tests",
02f7114a 404 "filenames",
e7545517 405 "fips",
f59d0131
KR		 406 "fuzz-libfuzzer",
407 "fuzz-afl",
168c3b73 408 "gost",
8b527be2 409 "idea",
742ccab3 410 "ktls",
d0308923 411 "legacy",
09aa263a 412 "makedepend",
8b527be2
RL		 413 "md2",
414 "md4",
8b527be2 415 "mdc2",
34786bde 416 "module",
29df3061 417 "msan",
fa22f98f 418 "multiblock",
8b527be2 419 "nextprotoneg",
41999e7d 420 "pinshared",
8b527be2
RL		 421 "ocb",
422 "ocsp",
469ce8ff 423 "padlockeng",
ae48242c 424 "pic",
48f14845 425 "poly1305",
8b527be2
RL		 426 "posix-io",
427 "psk",
428 "rc2",
429 "rc4",
430 "rc5",
431 "rdrand",
432 "rfc3779",
8b527be2 433 "rmd160",
8b527be2 434 "scrypt",
8b527be2 435 "sctp",
6943335e 436 "secure-memory",
8b527be2 437 "seed",
8b527be2 438 "shared",
3f5616d7 439 "siphash",
b1ceb439 440 "siv",
1bf2cc23 441 "sm2",
a0c3e4fa 442 "sm3",
f19a5ff9 443 "sm4",
8b527be2
RL		 444 "sock",
445 "srp",
446 "srtp",
447 "sse2",
448 "ssl",
8b527be2
RL		 449 "ssl-trace",
450 "static-engine",
451 "stdio",
93880ce1 452 "tests",
8b527be2
RL		 453 "threads",
454 "tls",
16a9d374 455 "trace",
1288f26f 456 "ts",
c38bb727 457 "ubsan",
48feaceb 458 "ui-console",
8b527be2 459 "unit-test",
5ded1ca6 460 "uplink",
8b527be2 461 "whirlpool",
8b1a5af3 462 "weak-ssl-ciphers",
8b527be2
RL		 463 "zlib",
464 "zlib-dynamic",
465 );
6b01bed2 466foreach my $proto ((@tls, @dtls))
84f32c84
DMSP		 467 {
468 push(@disablables, $proto);
469 push(@disablables, "$proto-method") unless $proto eq "tls1_3";
470 }
8b527be2 471
538f38db
RL		 472# Internal disablables, for aliasing purposes. They serve no special
473# purpose here, but allow scripts to get to know them through configdata.pm,
474# where these are merged with @disablables.
475# The actual aliasing mechanism is done via %disable_cascades
476my @disablables_int = qw(
477 crmf
478 );
479
2b1343b9
MC		 480my %deprecated_disablables = (
481 "ssl2" => undef,
482 "buf-freelists" => undef,
14611382 483 "crypto-mdebug-backtrace" => undef,
469ce8ff
RL		 484 "hw" => "hw", # causes cascade, but no macro
485 "hw-padlock" => "padlockeng",
48feaceb
RL		 486 "ripemd" => "rmd160",
487 "ui" => "ui-console",
0b45d8ee 488 "heartbeats" => undef,
e80381e1
RL		 489 );
490
094925de 491# All of the following are disabled by default:
c9a112f5 492
9e04edf2 493our %disabled = ( # "what" => "comment"
84f32c84
DMSP		 494 "asan" => "default",
495 "buildtest-c++" => "default",
496 "crypto-mdebug" => "default",
497 "crypto-mdebug-backtrace" => "default",
498 "devcryptoeng" => "default",
499 "ec_nistp_64_gcc_128" => "default",
500 "egd" => "default",
501 "external-tests" => "default",
502 "fuzz-libfuzzer" => "default",
503 "fuzz-afl" => "default",
84f32c84 504 "md2" => "default",
29df3061 505 "msan" => "default",
84f32c84
DMSP		 506 "rc5" => "default",
507 "sctp" => "default",
508 "ssl-trace" => "default",
509 "ssl3" => "default",
510 "ssl3-method" => "default",
511 "trace" => "default",
512 "ubsan" => "default",
513 "unit-test" => "default",
514 "weak-ssl-ciphers" => "default",
515 "zlib" => "default",
516 "zlib-dynamic" => "default",
517 "ktls" => "default",
518 );
c9a112f5 519
c569e206
RL		 520# Note: => pair form used for aesthetics, not to truly make a hash table
521my @disable_cascades = (
84f32c84 522 # "what" => [ "cascade", ... ]
7d130f68 523 sub { $config{processor} eq "386" }
84f32c84
DMSP		 524 => [ "sse2" ],
525 "ssl" => [ "ssl3" ],
526 "ssl3-method" => [ "ssl3" ],
527 "zlib" => [ "zlib-dynamic" ],
528 "des" => [ "mdc2" ],
fa555aa8 529 "ec" => [ "ecdsa", "ecdh", "sm2", "gost" ],
65dc5c3c
MC		 530 sub { $disabled{"ec"} && $disabled{"dh"} }
531 => [ "tls1_3" ],
84f32c84
DMSP		 532 "dgram" => [ "dtls", "sctp" ],
533 "sock" => [ "dgram" ],
534 "dtls" => [ @dtls ],
343a7467 535 sub { 0 == scalar grep { !$disabled{$_} } @dtls }
84f32c84 536 => [ "dtls" ],
c569e206 537
84f32c84 538 "tls" => [ @tls ],
343a7467 539 sub { 0 == scalar grep { !$disabled{$_} } @tls }
84f32c84 540 => [ "tls" ],
c569e206 541
ef8ca6bd 542 "crypto-mdebug" => [ "crypto-mdebug-backtrace" ],
343ec2b0 543
34786bde
RL		 544 # If no modules, then no dynamic engines either
545 "module" => [ "dynamic-engine" ],
546
547 # Without shared libraries, dynamic engines aren't possible.
548 # This is due to them having to link with libcrypto and register features
549 # using the ENGINE functionality, and since that relies on global tables,
550 # those *have* to be exacty the same as the ones accessed from the app,
551 # which cannot be guaranteed if shared libraries aren't present.
552 # (note that even with shared libraries, both the app and dynamic engines
553 # must be linked with the same library)
5ded1ca6 554 "shared" => [ "dynamic-engine", "uplink" ],
3b2f8c77 555 "dso" => [ "dynamic-engine", "module" ],
34786bde
RL		 556 # Other modules don't necessarily have to link with libcrypto, so shared
557 # libraries do not have to be a condition to produce those.
558
559 # Without position independent code, there can be no shared libraries
560 # or modules.
561 "pic" => [ "shared", "module" ],
469ce8ff 562
318e074e 563 "module" => [ "fips" ],
e7545517 564
469ce8ff
RL		 565 "engine" => [ grep /eng$/, @disablables ],
566 "hw" => [ "padlockeng" ],
d90a6beb
MC		 567
568 # no-autoalginit is only useful when building non-shared
569 "autoalginit" => [ "shared", "apps" ],
570
15a1bd0a 571 "stdio" => [ "apps", "capieng", "egd" ],
d90a6beb 572 "apps" => [ "tests" ],
302eba3f 573 "tests" => [ "external-tests" ],
3cf96e88 574 "comp" => [ "zlib" ],
98020023 575 "sm3" => [ "sm2" ],
b612799a 576 sub { !$disabled{"unit-test"} } => [ "heartbeats" ],
29df3061
EK		 577
578 sub { !$disabled{"msan"} } => [ "asm" ],
b1ceb439
TS		 579
580 sub { $disabled{cmac}; } => [ "siv" ],
d0308923 581 "legacy" => [ "md2" ],
538f38db
RL		 582
583 "cmp" => [ "crmf" ],
c72fa255
MC		 584
585 # Padlock engine uses low-level AES APIs which are deprecated
b05d6327 586 sub { $disabled{"deprecated-3.0"} }
c72fa255 587 => [ "padlockeng" ]
c569e206
RL		 588 );
589
590# Avoid protocol support holes. Also disable all versions below N, if version
591# N is disabled while N+1 is enabled.
592#
593my @list = (reverse @tls);
594while ((my $first, my $second) = (shift @list, shift @list)) {
595 last unless @list;
596 push @disable_cascades, ( sub { !$disabled{$first} && $disabled{$second} }
84f32c84 597 => [ @list ] );
c569e206
RL		 598 unshift @list, $second;
599}
600my @list = (reverse @dtls);
601while ((my $first, my $second) = (shift @list, shift @list)) {
602 last unless @list;
603 push @disable_cascades, ( sub { !$disabled{$first} && $disabled{$second} }
84f32c84 604 => [ @list ] );
c569e206
RL		 605 unshift @list, $second;
606}
607
7a762197 608# Explicit "no-..." options will be collected in %disabled along with the defaults.
e4ef2e25 609# To remove something from %disabled, use "enable-foo".
7a762197
BM		 610# For symmetry, "disable-foo" is a synonym for "no-foo".
611
bbe486cf 612# For the "make variables" CPPINCLUDES and CPPDEFINES, we support lists with
5b18235a
RL		 613# platform specific list separators. Users from those platforms should
614# recognise those separators from how you set up the PATH to find executables.
615# The default is the Unix like separator, :, but as an exception, we also
616# support the space as separator.
617my $list_separator_re =
618 { VMS => qr/(?<!\^),/,
619 MSWin32 => qr/(?<!\\);/ } -> {$^O} // qr/(?<!\\)[:\s]/;
620# All the "make variables" we support
f5846179
RL		 621# Some get pre-populated for the sake of backward compatibility
622# (we supported those before the change to "make variable" support.
5b18235a 623my %user = (
f5846179 624 AR => env('AR'),
5b18235a
RL		 625 ARFLAGS => [],
626 AS => undef,
627 ASFLAGS => [],
f5846179 628 CC => env('CC'),
8e7984e5 629 CFLAGS => [ env('CFLAGS') || () ],
f5846179 630 CXX => env('CXX'),
8e7984e5 631 CXXFLAGS => [ env('CXXFLAGS') || () ],
5b18235a 632 CPP => undef,
8e7984e5 633 CPPFLAGS => [ env('CPPFLAGS') || () ], # -D, -I, -Wp,
5b18235a
RL		 634 CPPDEFINES => [], # Alternative for -D
635 CPPINCLUDES => [], # Alternative for -I
f5846179
RL		 636 CROSS_COMPILE => env('CROSS_COMPILE'),
637 HASHBANGPERL=> env('HASHBANGPERL') || env('PERL'),
5b18235a 638 LD => undef,
8e7984e5
RL		 639 LDFLAGS => [ env('LDFLAGS') || () ], # -L, -Wl,
640 LDLIBS => [ env('LDLIBS') || () ], # -l
5b18235a
RL		 641 MT => undef,
642 MTFLAGS => [],
9e265322 643 PERL => env('PERL') || ($^O ne "VMS" ? $^X : "perl"),
f5846179
RL		 644 RANLIB => env('RANLIB'),
645 RC => env('RC') || env('WINDRES'),
0c4e984d 646 RCFLAGS => [ env('RCFLAGS') || () ],
5b18235a
RL		 647 RM => undef,
648 );
f729ba55
RL		 649# Info about what "make variables" may be prefixed with the cross compiler
650# prefix. This should NEVER mention any such variable with a list for value.
651my @user_crossable = qw ( AR AS CC CXX CPP LD MT RANLIB RC );
5b18235a
RL		 652# The same but for flags given as Configure options. These are *additional*
653# input, as opposed to the VAR=string option that override the corresponding
654# config target attributes
655my %useradd = (
656 CPPDEFINES => [],
657 CPPINCLUDES => [],
658 CPPFLAGS => [],
659 CFLAGS => [],
660 CXXFLAGS => [],
661 LDFLAGS => [],
662 LDLIBS => [],
0c4e984d 663 RCFLAGS => [],
5b18235a
RL		 664 );
665
666my %user_synonyms = (
667 HASHBANGPERL=> 'PERL',
668 RC => 'WINDRES',
669 );
abe256e7
RL		 670
671# Some target attributes have been renamed, this is the translation table
672my %target_attr_translate =(
673 ar => 'AR',
674 as => 'AS',
675 cc => 'CC',
676 cxx => 'CXX',
677 cpp => 'CPP',
678 hashbangperl => 'HASHBANGPERL',
679 ld => 'LD',
680 mt => 'MT',
681 ranlib => 'RANLIB',
682 rc => 'RC',
683 rm => 'RM',
5b18235a 684 );
5b18235a 685
2ab92ae9 686# Initialisers coming from 'config' scripts
ff455d99
AP		 687$config{defines} = [ split(/$list_separator_re/, env('__CNF_CPPDEFINES')) ];
688$config{includes} = [ split(/$list_separator_re/, env('__CNF_CPPINCLUDES')) ];
689$config{cppflags} = [ env('__CNF_CPPFLAGS') || () ];
690$config{cflags} = [ env('__CNF_CFLAGS') || () ];
691$config{cxxflags} = [ env('__CNF_CXXFLAGS') || () ];
692$config{lflags} = [ env('__CNF_LDFLAGS') || () ];
693$config{ex_libs} = [ env('__CNF_LDLIBS') || () ];
2ab92ae9 694
7d130f68 695$config{openssl_api_defines}=[];
7d130f68 696$config{openssl_sys_defines}=[];
e0bf7c01 697$config{openssl_feature_defines}=[];
3fa04f0d 698$config{options}="";
8864f0de 699$config{build_type} = "release";
5b18235a 700my $target="";
c59cb511 701
ac6ae8a9 702my %cmdvars = (); # Stores FOO='blah' type arguments
fe05264e 703my %unsupported_options = ();
e80381e1 704my %deprecated_options = ();
8389ec4b
RS		 705# If you change this, update apps/version.c
706my @known_seed_sources = qw(getrandom devrandom os egd none rdcpu librandom);
707my @seed_sources = ();
fad599f7 708while (@argvcopy)
84f32c84
DMSP		 709 {
710 $_ = shift @argvcopy;
711
712 # Support env variable assignments among the options
713 if (m|^(\w+)=(.+)?$|)
714 {
715 $cmdvars{$1} = $2;
716 # Every time a variable is given as a configuration argument,
717 # it acts as a reset if the variable.
718 if (exists $user{$1})
719 {
720 $user{$1} = ref $user{$1} eq "ARRAY" ? [] : undef;
721 }
722 #if (exists $useradd{$1})
723 # {
724 # $useradd{$1} = [];
725 # }
726 next;
727 }
728
729 # VMS is a case insensitive environment, and depending on settings
730 # out of our control, we may receive options uppercased. Let's
731 # downcase at least the part before any equal sign.
732 if ($^O eq "VMS")
733 {
734 s/^([^=]*)/lc($1)/e;
735 }
736
737 # some people just can't read the instructions, clang people have to...
738 s/^-no-(?!integrated-as)/no-/;
739
740 # rewrite some options in "enable-..." form
741 s /^-?-?shared$/enable-shared/;
742 s /^sctp$/enable-sctp/;
743 s /^threads$/enable-threads/;
744 s /^zlib$/enable-zlib/;
745 s /^zlib-dynamic$/enable-zlib-dynamic/;
c9a112f5 746
e4ef2e25 747 if (/^(no|disable|enable)-(.+)$/)
2b1343b9
MC		 748 {
749 my $word = $2;
469ce8ff
RL		 750 if ($word !~ m|hw(?:-.+)| # special treatment for hw regexp opt
751 && !exists $deprecated_disablables{$word}
752 && !grep { $word eq $_ } @disablables)
2b1343b9
MC		 753 {
754 $unsupported_options{$_} = 1;
755 next;
756 }
757 }
758 if (/^no-(.+)$/ || /^disable-(.+)$/)
759 {
e4ef2e25
RS		 760 foreach my $proto ((@tls, @dtls))
761 {
762 if ($1 eq "$proto-method")
763 {
764 $disabled{"$proto"} = "option($proto-method)";
765 last;
766 }
767 }
768 if ($1 eq "dtls")
769 {
770 foreach my $proto (@dtls)
771 {
772 $disabled{$proto} = "option(dtls)";
773 }
c5c7700c 774 $disabled{"dtls"} = "option(dtls)";
e4ef2e25
RS		 775 }
776 elsif ($1 eq "ssl")
777 {
778 # Last one of its kind
779 $disabled{"ssl3"} = "option(ssl)";
780 }
781 elsif ($1 eq "tls")
782 {
783 # XXX: Tests will fail if all SSL/TLS
784 # protocols are disabled.
785 foreach my $proto (@tls)
786 {
787 $disabled{$proto} = "option(tls)";
788 }
789 }
343ec2b0
RL		 790 elsif ($1 eq "static-engine")
791 {
19ab5790 792 delete $disabled{"dynamic-engine"};
343ec2b0
RL		 793 }
794 elsif ($1 eq "dynamic-engine")
795 {
19ab5790 796 $disabled{"dynamic-engine"} = "option";
343ec2b0 797 }
2b1343b9
MC		 798 elsif (exists $deprecated_disablables{$1})
799 {
800 $deprecated_options{$_} = 1;
801 if (defined $deprecated_disablables{$1})
802 {
803 $disabled{$deprecated_disablables{$1}} = "option";
804 }
805 }
469ce8ff
RL		 806 elsif ($1 =~ m|hw(?:-.+)|) # deprecate hw options in regexp form
807 {
808 $deprecated_options{$_} = 1;
809 }
e4ef2e25
RS		 810 else
811 {
812 $disabled{$1} = "option";
813 }
84f32c84
DMSP		 814 # No longer an automatic choice
815 $auto_threads = 0 if ($1 eq "threads");
816 }
817 elsif (/^enable-(.+)$/)
818 {
343ec2b0
RL		 819 if ($1 eq "static-engine")
820 {
19ab5790 821 $disabled{"dynamic-engine"} = "option";
343ec2b0
RL		 822 }
823 elsif ($1 eq "dynamic-engine")
824 {
19ab5790 825 delete $disabled{"dynamic-engine"};
343ec2b0 826 }
25004db7
RL		 827 elsif ($1 eq "zlib-dynamic")
828 {
829 delete $disabled{"zlib"};
830 }
84f32c84
DMSP		 831 my $algo = $1;
832 delete $disabled{$algo};
833
834 # No longer an automatic choice
835 $auto_threads = 0 if ($1 eq "threads");
836 }
837 elsif (/^--strict-warnings$/)
838 {
839 # Pretend that our strict flags is a C flag, and replace it
840 # with the proper flags later on
841 push @{$useradd{CFLAGS}}, '--ossl-strict-warnings';
84f32c84
DMSP		 842 $strict_warnings=1;
843 }
844 elsif (/^--debug$/)
845 {
846 $config{build_type} = "debug";
847 }
848 elsif (/^--release$/)
849 {
850 $config{build_type} = "release";
851 }
852 elsif (/^386$/)
853 { $config{processor}=386; }
854 elsif (/^fips$/)
855 {
856 die "FIPS mode not supported\n";
857 }
858 elsif (/^rsaref$/)
859 {
860 # No RSAref support any more since it's not needed.
861 # The check for the option is there so scripts aren't
862 # broken
863 }
864 elsif (/^nofipscanistercheck$/)
865 {
866 die "FIPS mode not supported\n";
867 }
f246f54f 868 elsif (m|^[-+/]|)
84f32c84
DMSP		 869 {
870 if (/^--prefix=(.*)$/)
871 {
872 $config{prefix}=$1;
873 die "Directory given with --prefix MUST be absolute\n"
874 unless file_name_is_absolute($config{prefix});
875 }
876 elsif (/^--api=(.*)$/)
877 {
a6a4d0ac
RL		 878 my $api = $1;
879 die "Unknown API compatibility level $api"
880 unless defined $apitable->{$api};
881 $config{api}=$apitable->{$api};
84f32c84
DMSP		 882 }
883 elsif (/^--libdir=(.*)$/)
884 {
885 $config{libdir}=$1;
886 }
887 elsif (/^--openssldir=(.*)$/)
888 {
889 $config{openssldir}=$1;
890 }
891 elsif (/^--with-zlib-lib=(.*)$/)
892 {
893 $withargs{zlib_lib}=$1;
894 }
895 elsif (/^--with-zlib-include=(.*)$/)
896 {
897 $withargs{zlib_include}=$1;
898 }
899 elsif (/^--with-fuzzer-lib=(.*)$/)
900 {
901 $withargs{fuzzer_lib}=$1;
902 }
903 elsif (/^--with-fuzzer-include=(.*)$/)
904 {
905 $withargs{fuzzer_include}=$1;
906 }
907 elsif (/^--with-rand-seed=(.*)$/)
908 {
909 foreach my $x (split(m|,|, $1))
910 {
911 die "Unknown --with-rand-seed choice $x\n"
912 if ! grep { $x eq $_ } @known_seed_sources;
913 push @seed_sources, $x;
914 }
915 }
916 elsif (/^--cross-compile-prefix=(.*)$/)
917 {
918 $user{CROSS_COMPILE}=$1;
919 }
920 elsif (/^--config=(.*)$/)
921 {
922 read_config $1;
923 }
924 elsif (/^-l(.*)$/)
925 {
926 push @{$useradd{LDLIBS}}, $_;
927 }
928 elsif (/^-framework$/)
929 {
930 push @{$useradd{LDLIBS}}, $_, shift(@argvcopy);
931 }
932 elsif (/^-L(.*)$/ or /^-Wl,/)
933 {
934 push @{$useradd{LDFLAGS}}, $_;
935 }
936 elsif (/^-rpath$/ or /^-R$/)
937 # -rpath is the OSF1 rpath flag
938 # -R is the old Solaris rpath flag
939 {
940 my $rpath = shift(@argvcopy) || "";
941 $rpath .= " " if $rpath ne "";
942 push @{$useradd{LDFLAGS}}, $_, $rpath;
943 }
944 elsif (/^-static$/)
945 {
946 push @{$useradd{LDFLAGS}}, $_;
84f32c84 947 }
f246f54f 948 elsif (m|^[-/]D(.*)$|)
84f32c84
DMSP		 949 {
950 push @{$useradd{CPPDEFINES}}, $1;
951 }
f246f54f 952 elsif (m|^[-/]I(.*)$|)
84f32c84
DMSP		 953 {
954 push @{$useradd{CPPINCLUDES}}, $1;
955 }
956 elsif (/^-Wp,$/)
957 {
958 push @{$useradd{CPPFLAGS}}, $1;
959 }
960 else # common if (/^[-+]/), just pass down...
961 {
f246f54f
DMSP		 962 # Treat %xx as an ASCII code (e.g. replace %20 by a space character).
963 # This provides a simple way to pass options with arguments separated
964 # by spaces without quoting (e.g. -opt%20arg translates to -opt arg).
84f32c84
DMSP		 965 $_ =~ s/%([0-9a-f]{1,2})/chr(hex($1))/gei;
966 push @{$useradd{CFLAGS}}, $_;
967 push @{$useradd{CXXFLAGS}}, $_;
8389ec4b 968 }
84f32c84 969 }
f246f54f
DMSP		 970 elsif (m|^/|)
971 {
972 # Treat %xx as an ASCII code (e.g. replace %20 by a space character).
973 # This provides a simple way to pass options with arguments separated
974 # by spaces without quoting (e.g. /opt%20arg translates to /opt arg).
975 $_ =~ s/%([0-9a-f]{1,2})/chr(hex($1))/gei;
976 push @{$useradd{CFLAGS}}, $_;
977 push @{$useradd{CXXFLAGS}}, $_;
978 }
84f32c84
DMSP		 979 else
980 {
981 die "target already defined - $target (offending arg: $_)\n" if ($target ne "");
982 $target=$_;
983 }
984 unless ($_ eq $target || /^no-/ || /^disable-/)
985 {
986 # "no-..." follows later after implied deactivations
987 # have been derived. (Don't take this too seriously,
988 # we really only write OPTIONS to the Makefile out of
989 # nostalgia.)
990
991 if ($config{options} eq "")
992 { $config{options} = $_; }
993 else
994 { $config{options} .= " ".$_; }
995 }
996 }
489eb740 997
ddbe700e 998if (keys %deprecated_options)
84f32c84
DMSP		 999 {
1000 warn "***** Deprecated options: ",
1001 join(", ", keys %deprecated_options), "\n";
1002 }
ddbe700e 1003if (keys %unsupported_options)
84f32c84
DMSP		 1004 {
1005 die "***** Unsupported options: ",
1006 join(", ", keys %unsupported_options), "\n";
1007 }
b6e4dac2 1008
ac6ae8a9
RL		 1009# If any %useradd entry has been set, we must check that the "make
1010# variables" haven't been set. We start by checking of any %useradd entry
fb174faa 1011# is set.
b9201360 1012if (grep { scalar @$_ > 0 } values %useradd) {
fb174faa 1013 # Hash of env / make variables names. The possible values are:
ac6ae8a9 1014 # 1 - "make vars"
fb174faa
RL		 1015 # 2 - %useradd entry set
1016 # 3 - both set
ac6ae8a9 1017 my %detected_vars =
fb174faa 1018 map { my $v = 0;
ac6ae8a9 1019 $v += 1 if $cmdvars{$_};
fb174faa
RL		 1020 $v += 2 if @{$useradd{$_}};
1021 $_ => $v }
1022 keys %useradd;
1023
ac6ae8a9
RL		 1024 # If any of the corresponding "make variables" is set, we error
1025 if (grep { $_ & 1 } values %detected_vars) {
1026 my $names = join(', ', grep { $detected_vars{$_} > 0 }
1027 sort keys %detected_vars);
b9201360 1028 die <<"_____";
ac6ae8a9 1029***** Mixing make variables and additional compiler/linker flags as
b9201360 1030***** configure command line option is not permitted.
ac6ae8a9 1031***** Affected make variables: $names
b9201360
RL		 1032_____
1033 }
1034}
1035
ac6ae8a9
RL		 1036# Check through all supported command line variables to see if any of them
1037# were set, and canonicalise the values we got. If no compiler or linker
1038# flag or anything else that affects %useradd was set, we also check the
1039# environment for values.
1040my $anyuseradd =
1041 grep { defined $_ && (ref $_ ne 'ARRAY' || @$_) } values %useradd;
5b18235a 1042foreach (keys %user) {
ac6ae8a9
RL		 1043 my $value = $cmdvars{$_};
1044 $value //= env($_) unless $anyuseradd;
1045 $value //=
1046 defined $user_synonyms{$_} ? $cmdvars{$user_synonyms{$_}} : undef;
1047 $value //= defined $user_synonyms{$_} ? env($user_synonyms{$_}) : undef
1048 unless $anyuseradd;
5b18235a
RL		 1049
1050 if (defined $value) {
1051 if (ref $user{$_} eq 'ARRAY') {
bbe486cf
RL		 1052 if ($_ eq 'CPPDEFINES' || $_ eq 'CPPINCLUDES') {
1053 $user{$_} = [ split /$list_separator_re/, $value ];
1054 } else {
1055 $user{$_} = [ $value ];
1056 }
5b18235a
RL		 1057 } elsif (!defined $user{$_}) {
1058 $user{$_} = $value;
1059 }
1060 }
1061}
1062
07e4dc34 1063if (grep { /-rpath\b/ } ($user{LDFLAGS} ? @{$user{LDFLAGS}} : ())
342a1a23
RL		 1064 && !$disabled{shared}
1065 && !($disabled{asan} && $disabled{msan} && $disabled{ubsan})) {
1066 die "***** Cannot simultaneously use -rpath, shared libraries, and\n",
84f32c84 1067 "***** any of asan, msan or ubsan\n";
342a1a23
RL		 1068}
1069
e39795af
RL		 1070# If no target was given, try guessing.
1071unless ($target) {
1072 my %system_config = OpenSSL::config::get_platform(%config, %user);
1073
1074 # The $system_config{disable} is used to populate %disabled with
1075 # entries that aren't already there.
1076 foreach ( @{$system_config{disable} // []} ) {
1077 $disabled{$_} = 'system' unless defined $disabled{$_};
1078 }
1079 delete $system_config{disable};
1080
1081 # Override config entries with stuff from the guesser.
1082 # It's assumed that this really is nothing new.
1083 %config = ( %config, %system_config );
1084 $target = $system_config{target};
1085}
1086
71ef78d7
RL		 1087sub disable {
1088 my $disable_type = shift;
1089
1090 for (@_) {
1091 $disabled{$_} = $disable_type;
1092 }
1093
1094 my @tocheckfor = (@_ ? @_ : keys %disabled);
1095 while (@tocheckfor) {
1096 my %new_tocheckfor = ();
1097 my @cascade_copy = (@disable_cascades);
1098 while (@cascade_copy) {
1099 my ($test, $descendents) =
1100 (shift @cascade_copy, shift @cascade_copy);
1101 if (ref($test) eq "CODE" ? $test->() : defined($disabled{$test})) {
1102 foreach (grep { !defined($disabled{$_}) } @$descendents) {
1103 $new_tocheckfor{$_} = 1; $disabled{$_} = "cascade";
1104 }
84f32c84
DMSP		 1105 }
1106 }
71ef78d7 1107 @tocheckfor = (keys %new_tocheckfor);
c569e206 1108 }
c569e206 1109}
71ef78d7 1110disable(); # First cascade run
edc032b5 1111
d63c12c6 1112our $die = sub { die @_; };
436a376b 1113if ($target eq "TABLE") {
d63c12c6 1114 local $die = sub { warn @_; };
00ae96ca 1115 foreach (sort keys %table) {
84f32c84 1116 print_table_entry($_, "TABLE");
00ae96ca
RL		 1117 }
1118 exit 0;
436a376b
BM		 1119}
1120
10a926c1 1121if ($target eq "LIST") {
00ae96ca 1122 foreach (sort keys %table) {
84f32c84 1123 print $_,"\n" unless $table{$_}->{template};
00ae96ca
RL		 1124 }
1125 exit 0;
10a926c1
UM		 1126}
1127
aaf878cc 1128if ($target eq "HASH") {
d63c12c6 1129 local $die = sub { warn @_; };
00ae96ca
RL		 1130 print "%table = (\n";
1131 foreach (sort keys %table) {
84f32c84 1132 print_table_entry($_, "HASH");
00ae96ca
RL		 1133 }
1134 exit 0;
aaf878cc
RL		 1135}
1136
16942e08
DMSP		 1137print "Configuring OpenSSL version $config{full_version} ";
1138print "for target $target\n";
64119271 1139
51cf8e0b
RL		 1140if (scalar(@seed_sources) == 0) {
1141 print "Using os-specific seed configuration\n";
1142 push @seed_sources, 'os';
1143}
ddec332f
BE		 1144if (scalar(grep { $_ eq 'egd' } @seed_sources) > 0) {
1145 delete $disabled{'egd'};
1146}
2805ee1e
RL		 1147if (scalar(grep { $_ eq 'none' } @seed_sources) > 0) {
1148 die "Cannot seed with none and anything else" if scalar(@seed_sources) > 1;
1149 warn <<_____ if scalar(@seed_sources) == 1;
2805ee1e 1150
caa85952
DMSP		 1151============================== WARNING ===============================
1152You have selected the --with-rand-seed=none option, which effectively
1153disables automatic reseeding of the OpenSSL random generator.
1154All operations depending on the random generator such as creating keys
1155will not work unless the random generator is seeded manually by the
1156application.
1157
1158Please read the 'Note on random number generation' section in the
f828ba03
RL		 1159INSTALL.md instructions and the RAND_DRBG(7) manual page for more
1160details.
caa85952
DMSP		 1161============================== WARNING ===============================
1162
2805ee1e
RL		 1163_____
1164}
e0bf7c01 1165push @{$config{openssl_feature_defines}},
51cf8e0b 1166 map { (my $x = $_) =~ tr|[\-a-z]|[_A-Z]|; "OPENSSL_RAND_SEED_$x" }
84f32c84 1167 @seed_sources;
51cf8e0b 1168
00ae96ca 1169# Backward compatibility?
49e04548 1170if ($target =~ m/^CygWin32(-.*)$/) {
00ae96ca 1171 $target = "Cygwin".$1;
49e04548
RL		 1172}
1173
906eb3d0
RL		 1174# Support for legacy targets having a name starting with 'debug-'
1175my ($d, $t) = $target =~ m/^(debug-)?(.*)$/;
1176if ($d) {
1177 $config{build_type} = "debug";
1178
1179 # If we do not find debug-foo in the table, the target is set to foo.
1180 if (!$table{$target}) {
84f32c84 1181 $target = $t;
906eb3d0
RL		 1182 }
1183}
4e360445 1184
081436bf
RL		 1185if ($target) {
1186 # It's possible that we have different config targets for specific
1187 # toolchains, so we try to detect them, and go for the plain config
1188 # target if not.
1189 my $found;
1190 foreach ( ( "$target-$user{CC}", "$target", undef ) ) {
1191 $found=$_ if $table{$_} && !$table{$_}->{template};
1192 last if $found;
1193 }
1194 $target = $found;
1195} else {
1196 # If we don't have a config target now, we try the C compiler as we
1197 # fallback
1198 my $cc = $user{CC} // 'cc';
1199 $target = $cc if $table{$cc} && !$table{$cc}->{template};
1200}
1201
1202&usage unless $target;
4e360445 1203
906eb3d0
RL		 1204$config{target} = $target;
1205my %target = resolve_config($target);
1206
abe256e7
RL		 1207foreach (keys %target_attr_translate) {
1208 $target{$target_attr_translate{$_}} = $target{$_}
1209 if $target{$_};
1210 delete $target{$_};
1211}
1212
793077d0
RL		 1213%target = ( %{$table{DEFAULTS}}, %target );
1214
906eb3d0
RL		 1215my %conf_files = map { $_ => 1 } (@{$target{_conf_fname_int}});
1216$config{conf_files} = [ sort keys %conf_files ];
906eb3d0 1217
71ef78d7
RL		 1218# Using sub disable within these loops may prove fragile, so we run
1219# a cascade afterwards
906eb3d0
RL		 1220foreach my $feature (@{$target{disable}}) {
1221 if (exists $deprecated_disablables{$feature}) {
1222 warn "***** config $target disables deprecated feature $feature\n";
1223 } elsif (!grep { $feature eq $_ } @disablables) {
1224 die "***** config $target disables unknown feature $feature\n";
1225 }
1226 $disabled{$feature} = 'config';
1227}
1228foreach my $feature (@{$target{enable}}) {
7a8a35ff 1229 if ("default" eq ($disabled{$feature} // "")) {
906eb3d0
RL		 1230 if (exists $deprecated_disablables{$feature}) {
1231 warn "***** config $target enables deprecated feature $feature\n";
1232 } elsif (!grep { $feature eq $_ } @disablables) {
1233 die "***** config $target enables unknown feature $feature\n";
1234 }
7a8a35ff 1235 delete $disabled{$feature};
906eb3d0
RL		 1236 }
1237}
b19fe714
RL		 1238
1239# If uplink_arch isn't defined, disable uplink
1240$disabled{uplink} = 'no uplink_arch' unless (defined $target{uplink_arch});
e6f98ae4
RL		 1241# If asm_arch isn't defined, disable asm
1242$disabled{asm} = 'no asm_arch' unless (defined $target{asm_arch});
b19fe714 1243
71ef78d7 1244disable(); # Run a cascade now
906eb3d0 1245
abe256e7
RL		 1246$target{CXXFLAGS}//=$target{CFLAGS} if $target{CXX};
1247$target{cxxflags}//=$target{cflags} if $target{CXX};
9dd4ed28 1248$target{exe_extension}=".exe" if ($config{target} eq "DJGPP");
107b5792 1249$target{exe_extension}=".pm" if ($config{target} =~ /vos/);
e987f9f2 1250
9e265322
RL		 1251# Fill %config with values from %user, and in case those are undefined or
1252# empty, use values from %target (acting as a default).
5b18235a 1253foreach (keys %user) {
5b18235a
RL		 1254 my $ref_type = ref $user{$_};
1255
1256 # Temporary function. Takes an intended ref type (empty string or "ARRAY")
1257 # and a value that's to be coerced into that type.
1258 my $mkvalue = sub {
1259 my $type = shift;
1260 my $value = shift;
1261 my $undef_p = shift;
1262
1263 die "Too many arguments for \$mkvalue" if @_;
1264
1265 while (ref $value eq 'CODE') {
1266 $value = $value->();
1267 }
1268
1269 if ($type eq 'ARRAY') {
1270 return undef unless defined $value;
1271 return undef if ref $value ne 'ARRAY' && !$value;
1272 return undef if ref $value eq 'ARRAY' && !@$value;
1273 return [ $value ] unless ref $value eq 'ARRAY';
1274 }
1275 return undef unless $value;
1276 return $value;
1277 };
1278
abe256e7 1279 $config{$_} =
5b18235a 1280 $mkvalue->($ref_type, $user{$_})
abe256e7
RL		 1281 || $mkvalue->($ref_type, $target{$_});
1282 delete $config{$_} unless defined $config{$_};
5b18235a 1283}
aaf878cc 1284
c1a09254
RL		 1285# Finish up %config by appending things the user gave us on the command line
1286# apart from "make variables"
1287foreach (keys %useradd) {
1288 # The must all be lists, so we assert that here
1289 die "internal error: \$useradd{$_} isn't an ARRAY\n"
1290 unless ref $useradd{$_} eq 'ARRAY';
1291
1292 if (defined $config{$_}) {
1293 push @{$config{$_}}, @{$useradd{$_}};
1294 } else {
1295 $config{$_} = [ @{$useradd{$_}} ];
1296 }
1297}
1298# At this point, we can forget everything about %user and %useradd,
1299# because it's now all been merged into the corresponding $config entry
1300
8b5156d1 1301# Allow overriding the build file name
5b18235a 1302$config{build_file} = env('BUILDFILE') || $target{build_file} || "Makefile";
bd5192b1 1303
291e94df
RL		 1304# Make sure build_scheme is consistent.
1305$target{build_scheme} = [ $target{build_scheme} ]
1306 if ref($target{build_scheme}) ne "ARRAY";
1307
ddf1847d
RL		 1308my ($builder, $builder_platform, @builder_opts) =
1309 @{$target{build_scheme}};
1310
d192a3aa
RL		 1311foreach my $checker (($builder_platform."-".$target{build_file}."-checker.pm",
1312 $builder_platform."-checker.pm")) {
1313 my $checker_path = catfile($srcdir, "Configurations", $checker);
1314 if (-f $checker_path) {
1315 my $fn = $ENV{CONFIGURE_CHECKER_WARN}
1316 ? sub { warn $@; } : sub { die $@; };
1317 if (! do $checker_path) {
1318 if ($@) {
1319 $fn->($@);
1320 } elsif ($!) {
1321 $fn->($!);
1322 } else {
1323 $fn->("The detected tools didn't match the platform\n");
1324 }
1325 }
1326 last;
1327 }
1328}
1329
488e2b0f
RL		 1330push @{$config{defines}}, "NDEBUG" if $config{build_type} eq "release";
1331
abe256e7 1332if ($target =~ /^mingw/ && `$config{CC} --target-help 2>&1` =~ m/-mno-cygwin/m)
84f32c84
DMSP		 1333 {
1334 push @{$config{cflags}}, "-mno-cygwin";
1335 push @{$config{cxxflags}}, "-mno-cygwin" if $config{CXX};
1336 push @{$config{shared_ldflag}}, "-mno-cygwin";
1337 }
cbecd29a 1338
5b18235a 1339if ($target =~ /linux.*-mips/ && !$disabled{asm}
c1a09254 1340 && !grep { $_ !~ /-m(ips|arch=)/ } (@{$config{CFLAGS}})) {
84f32c84
DMSP		 1341 # minimally required architecture flags for assembly modules
1342 my $value;
1343 $value = '-mips2' if ($target =~ /mips32/);
1344 $value = '-mips3' if ($target =~ /mips64/);
1345 unshift @{$config{cflags}}, $value;
1346 unshift @{$config{cxxflags}}, $value if $config{CXX};
63d8834c
AP		 1347}
1348
9c62a279
RL		 1349# If threads aren't disabled, check how possible they are
1350unless ($disabled{threads}) {
1351 if ($auto_threads) {
1352 # Enabled by default, disable it forcibly if unavailable
1353 if ($target{thread_scheme} eq "(unknown)") {
71ef78d7 1354 disable("unavailable", 'threads');
9c62a279
RL		 1355 }
1356 } else {
8483a003 1357 # The user chose to enable threads explicitly, let's see
9c62a279
RL		 1358 # if there's a chance that's possible
1359 if ($target{thread_scheme} eq "(unknown)") {
1360 # If the user asked for "threads" and we don't have internal
1361 # knowledge how to do it, [s]he is expected to provide any
1362 # system-dependent compiler options that are necessary. We
1363 # can't truly check that the given options are correct, but
1364 # we expect the user to know what [s]He is doing.
c1a09254 1365 if (!@{$config{CFLAGS}} && !@{$config{CPPDEFINES}}) {
9c62a279
RL		 1366 die "You asked for multi-threading support, but didn't\n"
1367 ,"provide any system-specific compiler options\n";
1368 }
1369 }
1370 }
1371}
1372
bacc3081
RL		 1373# Find out if clang's sanitizers have been enabled with -fsanitize
1374# flags and ensure that the corresponding %disabled elements area
1375# removed to reflect that the sanitizers are indeed enabled.
1376my %detected_sanitizers = ();
1377foreach (grep /^-fsanitize=/, @{$config{CFLAGS} || []}) {
1378 (my $checks = $_) =~ s/^-fsanitize=//;
1379 foreach (split /,/, $checks) {
1380 my $d = { address => 'asan',
1381 undefined => 'ubsan',
1382 memory => 'msan' } -> {$_};
1383 next unless defined $d;
1384
1385 $detected_sanitizers{$d} = 1;
1386 if (defined $disabled{$d}) {
1387 die "***** Conflict between disabling $d and enabling $_ sanitizer"
1388 if $disabled{$d} ne "default";
1389 delete $disabled{$d};
1390 }
1391 }
1392}
1393
9c62a279
RL		 1394# If threads still aren't disabled, add a C macro to ensure the source
1395# code knows about it. Any other flag is taken care of by the configs.
1396unless($disabled{threads}) {
e0bf7c01 1397 push @{$config{openssl_feature_defines}}, "OPENSSL_THREADS";
9c62a279 1398}
e452de9d 1399
8c3bc594 1400my $no_shared_warn=0;
291e94df 1401if ($target{shared_target} eq "")
84f32c84
DMSP		 1402 {
1403 $no_shared_warn = 1
1404 if (!$disabled{shared} || !$disabled{"dynamic-engine"});
71ef78d7 1405 disable('no-shared-target', 'pic');
84f32c84 1406 }
b436a982 1407
19ab5790 1408if ($disabled{"dynamic-engine"}) {
343ec2b0 1409 $config{dynamic_engines} = 0;
19ab5790 1410} else {
19ab5790 1411 $config{dynamic_engines} = 1;
343ec2b0 1412}
ecd45314 1413
bacc3081 1414unless ($disabled{asan} || defined $detected_sanitizers{asan}) {
5b18235a 1415 push @{$config{cflags}}, "-fsanitize=address";
c38bb727
BL		 1416}
1417
bacc3081 1418unless ($disabled{ubsan} || defined $detected_sanitizers{ubsan}) {
f430ba31 1419 # -DPEDANTIC or -fnosanitize=alignment may also be required on some
c38bb727 1420 # platforms.
5b18235a 1421 push @{$config{cflags}}, "-fsanitize=undefined", "-fno-sanitize-recover=all";
c38bb727
BL		 1422}
1423
bacc3081 1424unless ($disabled{msan} || defined $detected_sanitizers{msan}) {
5b18235a 1425 push @{$config{cflags}}, "-fsanitize=memory";
29df3061
EK		 1426}
1427
65cc6d5c 1428unless ($disabled{"fuzz-libfuzzer"} && $disabled{"fuzz-afl"}
29df3061 1429 && $disabled{asan} && $disabled{ubsan} && $disabled{msan}) {
5b18235a 1430 push @{$config{cflags}}, "-fno-omit-frame-pointer", "-g";
abe256e7 1431 push @{$config{cxxflags}}, "-fno-omit-frame-pointer", "-g" if $config{CXX};
c38bb727 1432}
c313e32a
AP		 1433#
1434# Platform fix-ups
1435#
ae48242c
RL		 1436
1437# This saves the build files from having to check
1438if ($disabled{pic})
84f32c84
DMSP		 1439 {
1440 foreach (qw(shared_cflag shared_cxxflag shared_cppflag
1441 shared_defines shared_includes shared_ldflag
1442 module_cflags module_cxxflags module_cppflags
1443 module_defines module_includes module_lflags))
1444 {
1445 delete $config{$_};
1446 $target{$_} = "";
1447 }
1448 }
4f16039e 1449else
84f32c84
DMSP		 1450 {
1451 push @{$config{lib_defines}}, "OPENSSL_PIC";
1452 }
ae48242c 1453
291e94df 1454if ($target{sys_id} ne "")
84f32c84
DMSP		 1455 {
1456 push @{$config{openssl_sys_defines}}, "OPENSSL_SYS_$target{sys_id}";
1457 }
cf1b7d96 1458
e373c70a
RL		 1459my %predefined_C = compiler_predefined($config{CROSS_COMPILE}.$config{CC});
1460my %predefined_CXX = $config{CXX}
1461 ? compiler_predefined($config{CROSS_COMPILE}.$config{CXX})
1462 : ();
54cf3b98 1463
09840412
AP		 1464unless ($disabled{asm}) {
1465 # big endian systems can use ELFv2 ABI
1466 if ($target eq "linux-ppc64") {
1467 $target{perlasm_scheme} = "linux64v2" if ($predefined_C{_CALL_ELF} == 2);
1468 }
1469}
1470
fe191b49 1471# Check for makedepend capabilities.
6d75a83c 1472if (!$disabled{makedepend}) {
fe191b49
RL		 1473 if ($config{target} =~ /^(VC|vms)-/) {
1474 # For VC- and vms- targets, there's nothing more to do here. The
1475 # functionality is hard coded in the corresponding build files for
1476 # cl (Windows) and CC/DECC (VMS).
e373c70a 1477 } elsif (($predefined_C{__GNUC__} // -1) >= 3
84f32c84 1478 && !($predefined_C{__APPLE_CC__} && !$predefined_C{__clang__})) {
fe191b49 1479 # We know that GNU C version 3 and up as well as all clang
717f308e
TS		 1480 # versions support dependency generation, but Xcode did not
1481 # handle $cc -M before clang support (but claims __GNUC__ = 3)
abe256e7 1482 $config{makedepprog} = "\$(CROSS_COMPILE)$config{CC}";
6d75a83c 1483 } else {
fe191b49
RL		 1484 # In all other cases, we look for 'makedepend', and disable the
1485 # capability if not found.
6d75a83c 1486 $config{makedepprog} = which('makedepend');
71ef78d7 1487 disable('unavailable', 'makedepend') unless $config{makedepprog};
54cf3b98 1488 }
f1f07a23 1489}
8ed40b83 1490
e373c70a 1491if (!$disabled{asm} && !$predefined_C{__MACH__} && $^O ne 'VMS') {
0ad4078c 1492 # probe for -Wa,--noexecstack option...
e373c70a 1493 if ($predefined_C{__clang__}) {
0ad4078c
AP		 1494 # clang has builtin assembler, which doesn't recognize --help,
1495 # but it apparently recognizes the option in question on all
1496 # supported platforms even when it's meaningless. In other words
1497 # probe would fail, but probed option always accepted...
1498 push @{$config{cflags}}, "-Wa,--noexecstack", "-Qunused-arguments";
8e5da579 1499 } else {
0ad4078c
AP		 1500 my $cc = $config{CROSS_COMPILE}.$config{CC};
1501 open(PIPE, "$cc -Wa,--help -c -o null.$$.o -x assembler /dev/null 2>&1 |");
1502 while(<PIPE>) {
1503 if (m/--noexecstack/) {
1504 push @{$config{cflags}}, "-Wa,--noexecstack";
1505 last;
1506 }
1507 }
1508 close(PIPE);
1509 unlink("null.$$.o");
1510 }
1511}
7d130f68
RL		 1512
1513# Deal with bn_ops ###################################################
1514
84f32c84 1515$config{bn_ll} =0;
7d130f68 1516my $def_int="unsigned int";
84f32c84 1517$config{rc4_int} =$def_int;
b4f35e5e 1518($config{b64l},$config{b64},$config{b32})=(0,0,1);
7d130f68 1519
94af0cd7 1520my $count = 0;
7d130f68 1521foreach (sort split(/\s+/,$target{bn_ops})) {
94af0cd7 1522 $count++ if /SIXTY_FOUR_BIT|SIXTY_FOUR_BIT_LONG|THIRTY_TWO_BIT/;
84f32c84
DMSP		 1523 $config{bn_ll}=1 if $_ eq 'BN_LLONG';
1524 $config{rc4_int}="unsigned char" if $_ eq 'RC4_CHAR';
94af0cd7 1525 ($config{b64l},$config{b64},$config{b32})
84f32c84 1526 =(0,1,0) if $_ eq 'SIXTY_FOUR_BIT';
94af0cd7 1527 ($config{b64l},$config{b64},$config{b32})
84f32c84 1528 =(1,0,0) if $_ eq 'SIXTY_FOUR_BIT_LONG';
94af0cd7 1529 ($config{b64l},$config{b64},$config{b32})
84f32c84 1530 =(0,0,1) if $_ eq 'THIRTY_TWO_BIT';
7d130f68 1531}
94af0cd7
RS		 1532die "Exactly one of SIXTY_FOUR_BIT|SIXTY_FOUR_BIT_LONG|THIRTY_TWO_BIT can be set in bn_ops\n"
1533 if $count > 1;
7d130f68 1534
a6a4d0ac
RL		 1535$config{api} = $config{major} * 10000 + $config{minor} * 100
1536 unless $config{api};
b05d6327
RL		 1537foreach (keys %$apitable) {
1538 $disabled{"deprecated-$_"} = "deprecation"
1539 if $disabled{deprecated} && $config{api} >= $apitable->{$_};
1540}
1541
1542disable(); # Run a cascade now
7d130f68
RL		 1543
1544# Hack cflags for better warnings (dev option) #######################
1545
fa153b57
RL		 1546# "Stringify" the C and C++ flags string. This permits it to be made part of
1547# a string and works as well on command lines.
5b18235a
RL		 1548$config{cflags} = [ map { (my $x = $_) =~ s/([\\\"])/\\$1/g; $x }
1549 @{$config{cflags}} ];
fa153b57 1550$config{cxxflags} = [ map { (my $x = $_) =~ s/([\\\"])/\\$1/g; $x }
abe256e7 1551 @{$config{cxxflags}} ] if $config{CXX};
b436a982 1552
fcd2d5a6 1553$config{openssl_api_defines} = [
b05d6327 1554 "OPENSSL_CONFIGURED_API=".$config{api},
fcd2d5a6 1555];
98186eb4 1556
3b437400 1557my @strict_warnings_collection=();
0c28f277 1558if ($strict_warnings)
84f32c84
DMSP		 1559 {
1560 my $wopt;
1561 my $gccver = $predefined_C{__GNUC__} // -1;
6d50589c 1562
b4a7b4ec
RL		 1563 if ($gccver >= 4)
1564 {
1565 push @strict_warnings_collection, @gcc_devteam_warn;
1566 push @strict_warnings_collection, @clang_devteam_warn
1567 if (defined($predefined_C{__clang__}));
1568 }
1569 elsif ($config{target} =~ /^VC-/)
1570 {
1571 push @strict_warnings_collection, @cl_devteam_warn;
1572 }
1573 else
1574 {
1575 warn "WARNING --strict-warnings requires gcc[>=4] or gcc-alike, or MSVC"
1576 }
84f32c84 1577 }
4650d10f 1578
cf0843c0 1579if (grep { $_ =~ /(?:^|\s)-static(?:\s|$)/ } @{$config{LDFLAGS}}) {
71ef78d7 1580 disable('static', 'pic', 'threads');
4650d10f
RL		 1581}
1582
3b437400
RL		 1583$config{CFLAGS} = [ map { $_ eq '--ossl-strict-warnings'
1584 ? @strict_warnings_collection
1585 : ( $_ ) }
1586 @{$config{CFLAGS}} ];
ef8ca6bd 1587
c91a0a83
EK		 1588unless ($disabled{afalgeng}) {
1589 $config{afalgeng}="";
9e381e8a 1590 if (grep { $_ eq 'afalgeng' } @{$target{enable}}) {
79fff39d 1591 my $minver = 4*10000 + 1*100 + 0;
abe256e7 1592 if ($config{CROSS_COMPILE} eq "") {
79fff39d
RL		 1593 my $verstr = `uname -r`;
1594 my ($ma, $mi1, $mi2) = split("\\.", $verstr);
1595 ($mi2) = $mi2 =~ /(\d+)/;
1596 my $ver = $ma*10000 + $mi1*100 + $mi2;
1597 if ($ver < $minver) {
71ef78d7 1598 disable('too-old-kernel', 'afalgeng');
79fff39d
RL		 1599 } else {
1600 push @{$config{engdirs}}, "afalg";
1601 }
68dc37c1 1602 } else {
71ef78d7 1603 disable('cross-compiling', 'afalgeng');
6cba4a66 1604 }
79fff39d 1605 } else {
71ef78d7 1606 disable('not-linux', 'afalgeng');
7f458a48 1607 }
1608}
8da00a38 1609
76d0a74b
RL		 1610unless ($disabled{devcryptoeng}) {
1611 if ($target =~ m/^BSD/) {
1612 my $maxver = 5*100 + 7;
1613 my $sysstr = `uname -s`;
1614 my $verstr = `uname -r`;
1615 $sysstr =~ s|\R$||;
1616 $verstr =~ s|\R$||;
1617 my ($ma, $mi, @rest) = split m|\.|, $verstr;
1618 my $ver = $ma*100 + $mi;
1619 if ($sysstr eq 'OpenBSD' && $ver >= $maxver) {
1620 disable('too-new-kernel', 'devcryptoeng');
1621 }
1622 }
1623}
1624
69495e3d
BP		 1625unless ($disabled{ktls}) {
1626 $config{ktls}="";
1627 if ($target =~ m/^linux/) {
1628 my $usr = "/usr/$config{cross_compile_prefix}";
1629 chop($usr);
1630 if ($config{cross_compile_prefix} eq "") {
1631 $usr = "/usr";
1632 }
1633 my $minver = (4 << 16) + (13 << 8) + 0;
1634 my @verstr = split(" ",`cat $usr/include/linux/version.h | grep LINUX_VERSION_CODE`);
1635
1636 if ($verstr[2] < $minver) {
71ef78d7 1637 disable('too-old-kernel', 'ktls');
69495e3d 1638 }
2111f5c2
AG		 1639 } elsif ($target =~ m/^BSD/) {
1640 my $cc = $config{CROSS_COMPILE}.$config{CC};
1641 system("printf '#include <sys/types.h>\n#include <sys/ktls.h>' | $cc -E - >/dev/null 2>&1");
1642 if ($? != 0) {
1643 disable('too-old-freebsd', 'ktls');
1644 }
69495e3d 1645 } else {
2111f5c2 1646 disable('not-linux-or-freebsd', 'ktls');
69495e3d
BP		 1647 }
1648}
1649
1650push @{$config{openssl_other_defines}}, "OPENSSL_NO_KTLS" if ($disabled{ktls});
1651
8f0dd6d9
RL		 1652# Get the extra flags used when building shared libraries and modules. We
1653# do this late because some of them depend on %disabled.
1654
1655# Make the flags to build DSOs the same as for shared libraries unless they
1656# are already defined
1657$target{module_cflags} = $target{shared_cflag} unless defined $target{module_cflags};
1658$target{module_cxxflags} = $target{shared_cxxflag} unless defined $target{module_cxxflags};
1659$target{module_ldflags} = $target{shared_ldflag} unless defined $target{module_ldflags};
1660{
1661 my $shared_info_pl =
1662 catfile(dirname($0), "Configurations", "shared-info.pl");
1663 my %shared_info = read_eval_file($shared_info_pl);
1664 push @{$target{_conf_fname_int}}, $shared_info_pl;
1665 my $si = $target{shared_target};
1666 while (ref $si ne "HASH") {
1667 last if ! defined $si;
1668 if (ref $si eq "CODE") {
1669 $si = $si->();
1670 } else {
1671 $si = $shared_info{$si};
1672 }
1673 }
1674
1675 # Some of the 'shared_target' values don't have any entries in
1676 # %shared_info. That's perfectly fine, AS LONG AS the build file
1677 # template knows how to handle this. That is currently the case for
1678 # Windows and VMS.
1679 if (defined $si) {
1680 # Just as above, copy certain shared_* attributes to the corresponding
1681 # module_ attribute unless the latter is already defined
1682 $si->{module_cflags} = $si->{shared_cflag} unless defined $si->{module_cflags};
1683 $si->{module_cxxflags} = $si->{shared_cxxflag} unless defined $si->{module_cxxflags};
1684 $si->{module_ldflags} = $si->{shared_ldflag} unless defined $si->{module_ldflags};
1685 foreach (sort keys %$si) {
1686 $target{$_} = defined $target{$_}
1687 ? add($si->{$_})->($target{$_})
1688 : $si->{$_};
1689 }
1690 }
1691}
1692
1693# ALL MODIFICATIONS TO %disabled, %config and %target MUST BE DONE FROM HERE ON
5b18235a 1694
8c06d719
RL		 1695######################################################################
1696# Build up information for skipping certain directories depending on disabled
1697# features, as well as setting up macros for disabled features.
1698
1699# This is a tentative database of directories to skip. Some entries may not
1700# correspond to anything real, but that's ok, they will simply be ignored.
1701# The actual processing of these entries is done in the build.info lookup
1702# loop further down.
1703#
1704# The key is a Unix formatted path in the source tree, the value is an index
1705# into %disabled_info, so any existing path gets added to a corresponding
1706# 'skipped' entry in there with the list of skipped directories.
1707my %skipdir = ();
1708my %disabled_info = (); # For configdata.pm
1709foreach my $what (sort keys %disabled) {
1710 # There are deprecated disablables that translate to themselves.
1711 # They cause disabling cascades, but should otherwise not regiter.
1712 next if $deprecated_disablables{$what};
b05d6327
RL		 1713 # The generated $disabled{"deprecated-x.y"} entries are special
1714 # and treated properly elsewhere
1715 next if $what =~ m|^deprecated-|;
8c06d719
RL		 1716
1717 $config{options} .= " no-$what";
1718
1719 if (!grep { $what eq $_ } ( 'buildtest-c++', 'fips', 'threads', 'shared',
1720 'module', 'pic', 'dynamic-engine', 'makedepend',
1721 'zlib-dynamic', 'zlib', 'sse2', 'legacy' )) {
1722 (my $WHAT = uc $what) =~ s|-|_|g;
1723 my $skipdir = $what;
1724
1725 # fix-up crypto/directory name(s)
1726 $skipdir = "ripemd" if $what eq "rmd160";
1727 $skipdir = "whrlpool" if $what eq "whirlpool";
1728
1729 my $macro = $disabled_info{$what}->{macro} = "OPENSSL_NO_$WHAT";
1730 push @{$config{openssl_feature_defines}}, $macro;
1731
1732 $skipdir{engines} = $what if $what eq 'engine';
1733 $skipdir{"crypto/$skipdir"} = $what
1734 unless $what eq 'async' || $what eq 'err' || $what eq 'dso';
1735 }
1736}
1737
1738if ($disabled{"dynamic-engine"}) {
1739 push @{$config{openssl_feature_defines}}, "OPENSSL_NO_DYNAMIC_ENGINE";
1740} else {
1741 push @{$config{openssl_feature_defines}}, "OPENSSL_NO_STATIC_ENGINE";
1742}
1743
9fe2bb77
RL		 1744# If we use the unified build, collect information from build.info files
1745my %unified_info = ();
1746
2b6b606c 1747my $buildinfo_debug = defined($ENV{CONFIGURE_DEBUG_BUILDINFO});
ddf1847d 1748if ($builder eq "unified") {
1935a586 1749 use Text::Template 1.46;
9fe2bb77 1750
9fe2bb77 1751 sub cleandir {
2e963849 1752 my $base = shift;
9fe2bb77 1753 my $dir = shift;
2e963849
RL		 1754 my $relativeto = shift || ".";
1755
1756 $dir = catdir($base,$dir) unless isabsolute($dir);
9fe2bb77 1757
ec182ef0
RL		 1758 # Make sure the directories we're building in exists
1759 mkpath($dir);
1760
2e963849 1761 my $res = abs2rel(absolutedir($dir), rel2abs($relativeto));
9fe2bb77
RL		 1762 #print STDERR "DEBUG[cleandir]: $dir , $base => $res\n";
1763 return $res;
1764 }
1765
1766 sub cleanfile {
2e963849 1767 my $base = shift;
9fe2bb77 1768 my $file = shift;
2e963849
RL		 1769 my $relativeto = shift || ".";
1770
1771 $file = catfile($base,$file) unless isabsolute($file);
1772
9fe2bb77
RL		 1773 my $d = dirname($file);
1774 my $f = basename($file);
1775
ec182ef0
RL		 1776 # Make sure the directories we're building in exists
1777 mkpath($d);
1778
2e963849 1779 my $res = abs2rel(catfile(absolutedir($d), $f), rel2abs($relativeto));
9fe2bb77
RL		 1780 #print STDERR "DEBUG[cleanfile]: $d , $f => $res\n";
1781 return $res;
1782 }
1783
1967a42e
RL		 1784 # Store the name of the template file we will build the build file from
1785 # in %config. This may be useful for the build file itself.
1786 my @build_file_template_names =
84f32c84
DMSP		 1787 ( $builder_platform."-".$target{build_file}.".tmpl",
1788 $target{build_file}.".tmpl" );
1967a42e
RL		 1789 my @build_file_templates = ();
1790
1791 # First, look in the user provided directory, if given
7ecdf18d 1792 if (defined env($local_config_envname)) {
84f32c84
DMSP		 1793 @build_file_templates =
1794 map {
1795 if ($^O eq 'VMS') {
1796 # VMS environment variables are logical names,
1797 # which can be used as is
1798 $local_config_envname . ':' . $_;
1799 } else {
1800 catfile(env($local_config_envname), $_);
1801 }
1802 }
1803 @build_file_template_names;
1967a42e
RL		 1804 }
1805 # Then, look in our standard directory
1806 push @build_file_templates,
84f32c84
DMSP		 1807 ( map { cleanfile($srcdir, catfile("Configurations", $_), $blddir) }
1808 @build_file_template_names );
1967a42e
RL		 1809
1810 my $build_file_template;
1811 for $_ (@build_file_templates) {
84f32c84 1812 $build_file_template = $_;
1967a42e
RL		 1813 last if -f $build_file_template;
1814
1815 $build_file_template = undef;
1816 }
1817 if (!defined $build_file_template) {
84f32c84 1818 die "*** Couldn't find any of:\n", join("\n", @build_file_templates), "\n";
1967a42e
RL		 1819 }
1820 $config{build_file_templates}
8258975c
RL		 1821 = [ cleanfile($srcdir, catfile("Configurations", "common0.tmpl"),
1822 $blddir),
1823 $build_file_template,
1967a42e
RL		 1824 cleanfile($srcdir, catfile("Configurations", "common.tmpl"),
1825 $blddir) ];
1826
7f73eafe 1827 my @build_dirs = ( [ ] ); # current directory
9fe2bb77 1828
2e0956ba
RL		 1829 $config{build_infos} = [ ];
1830
d201dbc9 1831 my %ordinals = ();
7f73eafe
RL		 1832 while (@build_dirs) {
1833 my @curd = @{shift @build_dirs};
1834 my $sourced = catdir($srcdir, @curd);
1835 my $buildd = catdir($blddir, @curd);
9fe2bb77 1836
75d47db4
RL		 1837 my $unixdir = join('/', @curd);
1838 if (exists $skipdir{$unixdir}) {
1839 my $what = $skipdir{$unixdir};
1840 push @{$disabled_info{$what}->{skipped}}, catdir(@curd);
1841 next;
1842 }
1843
dca99383 1844 mkpath($buildd);
9fe2bb77 1845
7f73eafe 1846 my $f = 'build.info';
9fe2bb77
RL		 1847 # The basic things we're trying to build
1848 my @programs = ();
1849 my @libraries = ();
1842f369 1850 my @modules = ();
9fe2bb77 1851 my @scripts = ();
9fe2bb77 1852
9fe2bb77 1853 my %sources = ();
2a08d1a0 1854 my %shared_sources = ();
9fe2bb77 1855 my %includes = ();
b96ab5e6 1856 my %defines = ();
9fe2bb77 1857 my %depends = ();
ae4c7450 1858 my %generate = ();
829f86bb
RL		 1859 my %htmldocs = ();
1860 my %mandocs = ();
9fe2bb77 1861
26fe9b07
RL		 1862 # Support for $variablename in build.info files.
1863 # Embedded perl code is the ultimate master, still. If its output
1864 # contains a dollar sign, it had better be escaped, or it will be
1865 # taken for a variable name prefix.
1866 my %variables = ();
e4292179
RL		 1867 # Variable name syntax
1868 my $variable_name_re = qr/(?P<VARIABLE>[[:alpha:]][[:alnum:]_]*)/;
1869 # Value modifier syntaxes
1870 my $variable_subst_re = qr/\/(?P<RE>(?:\\\/|.)*?)\/(?P<SUBST>.*?)/;
4975e8b4
RL		 1871 # Variable reference
1872 my $variable_simple_re = qr/(?<!\\)\$${variable_name_re}/;
1873 my $variable_w_mod_re =
1874 qr/(?<!\\)\$\{${variable_name_re}(?P<MOD>(?:\\\/|.)*?)\}/;
1875 # Tie it all together
1876 my $variable_re = qr/${variable_simple_re}|${variable_w_mod_re}/;
1877
26fe9b07
RL		 1878 my $expand_variables = sub {
1879 my $value = '';
1880 my $value_rest = shift;
1881
03f30c55
RL		 1882 if ($ENV{CONFIGURE_DEBUG_VARIABLE_EXPAND}) {
1883 print STDERR
e4292179 1884 "DEBUG[\$expand_variables] Parsed '$value_rest' ...\n"
03f30c55 1885 }
e4292179 1886
4975e8b4
RL		 1887 while ($value_rest =~ /${variable_re}/) {
1888 # We must save important regexp values, because the next
1889 # regexp clears them
1890 my $mod = $+{MOD};
e4292179
RL		 1891 my $variable_value = $variables{$+{VARIABLE}};
1892
4975e8b4
RL		 1893 $value_rest = $';
1894 $value .= $`;
1895
e4292179 1896 # Process modifier expressions, if present
4975e8b4
RL		 1897 if (defined $mod) {
1898 if ($mod =~ /^${variable_subst_re}$/) {
1899 my $re = $+{RE};
1900 my $subst = $+{SUBST};
1901
1902 $variable_value =~ s/\Q$re\E/$subst/g;
1903
1904 if ($ENV{CONFIGURE_DEBUG_VARIABLE_EXPAND}) {
1905 print STDERR
1906 "DEBUG[\$expand_variables] ... and substituted ",
1907 "'$re' with '$subst'\n";
1908 }
e4292179
RL		 1909 }
1910 }
1911
1912 $value .= $variable_value;
26fe9b07 1913 }
03f30c55
RL		 1914 if ($ENV{CONFIGURE_DEBUG_VARIABLE_EXPAND}) {
1915 print STDERR
e4292179 1916 "DEBUG[\$expand_variables] ... into: '$value$value_rest'\n";
03f30c55 1917 }
26fe9b07
RL		 1918 return $value . $value_rest;
1919 };
1920
285daccd
RL		 1921 # Support for attributes in build.info files
1922 my %attributes = ();
1923 my $handle_attributes = sub {
1924 my $attr_str = shift;
1925 my $ref = shift;
1926 my @goals = @_;
1927
1928 return unless defined $attr_str;
1929
1930 my @a = tokenize($attr_str, qr|\s*,\s*|);
1931 foreach my $a (@a) {
1932 my $ac = 1;
1933 my $ak = $a;
1934 my $av = 1;
1935 if ($a =~ m|^(!)?(.*?)\s* = \s*(.*?)$|) {
1936 $ac = ! $1;
1937 $ak = $1;
1938 $av = $2;
1939 }
1940 foreach my $g (@goals) {
1941 if ($ac) {
1942 $$ref->{$g}->{$ak} = $av;
1943 } else {
1944 delete $$ref->{$g}->{$ak};
1945 }
1946 }
1947 }
1948 };
1949
ad5be194
RL		 1950 # Support for pushing values on multiple indexes of a given hash
1951 # array.
1952 my $push_to = sub {
1953 my $valueref = shift;
1954 my $index_str = shift; # May be undef or empty
1955 my $attrref = shift; # May be undef
1956 my $attr_str = shift;
1957 my @values = @_;
1958
1959 if (defined $index_str) {
1960 my @indexes = ( '' );
1961 if ($index_str !~ m|^\s*$|) {
1962 @indexes = tokenize($index_str);
1963 }
1964 foreach (@indexes) {
1965 push @{$valueref->{$_}}, @values;
1966 if (defined $attrref) {
1967 $handle_attributes->($attr_str, \$$attrref->{$_},
1968 @values);
1969 }
1970 }
1971 } else {
1972 push @$valueref, @values;
1973 $handle_attributes->($attr_str, $attrref, @values)
1974 if defined $attrref;
1975 }
1976 };
1977
846e4c4d
RL		 1978 # We want to detect configdata.pm in the source tree, so we
1979 # don't use it if the build tree is different.
1980 my $src_configdata = cleanfile($srcdir, "configdata.pm", $blddir);
1981
829f86bb
RL		 1982
1983 if ($buildinfo_debug) {
1984 print STDERR "DEBUG: Reading ",catfile($sourced, $f),"\n";
1985 }
2e0956ba 1986 push @{$config{build_infos}}, catfile(abs2rel($sourced, $blddir), $f);
cb6afcd6
RL		 1987 my $template =
1988 Text::Template->new(TYPE => 'FILE',
1989 SOURCE => catfile($sourced, $f),
1990 PREPEND => qq{use lib "$FindBin::Bin/util/perl";});
9fe2bb77
RL		 1991 die "Something went wrong with $sourced/$f: $!\n" unless $template;
1992 my @text =
1993 split /^/m,
1994 $template->fill_in(HASH => { config => \%config,
1995 target => \%target,
9e04edf2 1996 disabled => \%disabled,
f59d0131 1997 withargs => \%withargs,
9fe2bb77
RL		 1998 builddir => abs2rel($buildd, $blddir),
1999 sourcedir => abs2rel($sourced, $blddir),
2000 buildtop => abs2rel($blddir, $blddir),
2001 sourcetop => abs2rel($srcdir, $blddir) },
2002 DELIMITERS => [ "{-", "-}" ]);
2003
2004 # The top item of this stack has the following values
2005 # -2 positive already run and we found ELSE (following ELSIF should fail)
2006 # -1 positive already run (skip until ENDIF)
2007 # 0 negatives so far (if we're at a condition, check it)
2008 # 1 last was positive (don't skip lines until next ELSE, ELSIF or ENDIF)
2009 # 2 positive ELSE (following ELSIF should fail)
2010 my @skip = ();
285daccd
RL		 2011
2012 # A few useful generic regexps
2013 my $index_re = qr/\[\s*(?P<INDEX>(?:\\.|.)*?)\s*\]/;
2014 my $cond_re = qr/\[\s*(?P<COND>(?:\\.|.)*?)\s*\]/;
2015 my $attribs_re = qr/(?:\{\s*(?P<ATTRIBS>(?:\\.|.)*?)\s*\})?/;
2016 my $value_re = qr/\s*(?P<VALUE>.*?)\s*/;
9fe2bb77
RL		 2017 collect_information(
2018 collect_from_array([ @text ],
2019 qr/\\$/ => sub { my $l1 = shift; my $l2 = shift;
2020 $l1 =~ s/\\$//; $l1.$l2 }),
2021 # Info we're looking for
285daccd 2022 qr/^\s* IF ${cond_re} \s*$/x
635bd409 2023 => sub {
c5798e0e 2024 if (! @skip || $skip[$#skip] > 0) {
285daccd 2025 push @skip, !! $expand_variables->($+{COND});
635bd409
RL		 2026 } else {
2027 push @skip, -1;
2028 }
2029 },
285daccd 2030 qr/^\s* ELSIF ${cond_re} \s*$/x
9fe2bb77
RL		 2031 => sub { die "ELSIF out of scope" if ! @skip;
2032 die "ELSIF following ELSE" if abs($skip[$#skip]) == 2;
2033 $skip[$#skip] = -1 if $skip[$#skip] != 0;
285daccd 2034 $skip[$#skip] = !! $expand_variables->($+{COND})
9fe2bb77 2035 if $skip[$#skip] == 0; },
285daccd 2036 qr/^\s* ELSE \s*$/x
9fe2bb77
RL		 2037 => sub { die "ELSE out of scope" if ! @skip;
2038 $skip[$#skip] = -2 if $skip[$#skip] != 0;
2039 $skip[$#skip] = 2 if $skip[$#skip] == 0; },
285daccd 2040 qr/^\s* ENDIF \s*$/x
9fe2bb77
RL		 2041 => sub { die "ENDIF out of scope" if ! @skip;
2042 pop @skip; },
285daccd 2043 qr/^\s* ${variable_re} \s* = ${value_re} $/x
26fe9b07
RL		 2044 => sub {
2045 if (!@skip || $skip[$#skip] > 0) {
285daccd 2046 $variables{$+{VARIABLE}} = $expand_variables->($+{VALUE});
26fe9b07
RL		 2047 }
2048 },
285daccd 2049 qr/^\s* SUBDIRS \s* = ${value_re} $/x
7f73eafe
RL		 2050 => sub {
2051 if (!@skip || $skip[$#skip] > 0) {
285daccd 2052 foreach (tokenize($expand_variables->($+{VALUE}))) {
7f73eafe
RL		 2053 push @build_dirs, [ @curd, splitdir($_, 1) ];
2054 }
2055 }
2056 },
285daccd 2057 qr/^\s* PROGRAMS ${attribs_re} \s* = ${value_re} $/x
ad5be194
RL		 2058 => sub { $push_to->(\@programs, undef,
2059 \$attributes{programs}, $+{ATTRIBS},
2060 tokenize($expand_variables->($+{VALUE})))
2061 if !@skip || $skip[$#skip] > 0; },
285daccd 2062 qr/^\s* LIBS ${attribs_re} \s* = ${value_re} $/x
ad5be194
RL		 2063 => sub { $push_to->(\@libraries, undef,
2064 \$attributes{libraries}, $+{ATTRIBS},
2065 tokenize($expand_variables->($+{VALUE})))
2066 if !@skip || $skip[$#skip] > 0; },
285daccd 2067 qr/^\s* MODULES ${attribs_re} \s* = ${value_re} $/x
ad5be194
RL		 2068 => sub { $push_to->(\@modules, undef,
2069 \$attributes{modules}, $+{ATTRIBS},
2070 tokenize($expand_variables->($+{VALUE})))
2071 if !@skip || $skip[$#skip] > 0; },
285daccd 2072 qr/^\s* SCRIPTS ${attribs_re} \s* = ${value_re} $/x
ad5be194
RL		 2073 => sub { $push_to->(\@scripts, undef,
2074 \$attributes{scripts}, $+{ATTRIBS},
2075 tokenize($expand_variables->($+{VALUE})))
2076 if !@skip || $skip[$#skip] > 0; },
829f86bb 2077 qr/^\s* HTMLDOCS ${index_re} = ${value_re} $/x
ad5be194
RL		 2078 => sub { $push_to->(\%htmldocs, $expand_variables->($+{INDEX}),
2079 undef, undef,
2080 tokenize($expand_variables->($+{VALUE})))
2081 if !@skip || $skip[$#skip] > 0; },
829f86bb 2082 qr/^\s* MANDOCS ${index_re} = ${value_re} $/x
ad5be194
RL		 2083 => sub { $push_to->(\%mandocs, $expand_variables->($+{INDEX}),
2084 undef, undef,
2085 tokenize($expand_variables->($+{VALUE})))
2086 if !@skip || $skip[$#skip] > 0; },
285daccd 2087 qr/^\s* SOURCE ${index_re} = ${value_re} $/x
ad5be194
RL		 2088 => sub { $push_to->(\%sources, $expand_variables->($+{INDEX}),
2089 undef, undef,
2090 tokenize($expand_variables->($+{VALUE})))
2091 if !@skip || $skip[$#skip] > 0; },
285daccd 2092 qr/^\s* SHARED_SOURCE ${index_re} = ${value_re} $/x
ad5be194
RL		 2093 => sub { $push_to->(\%shared_sources, $expand_variables->($+{INDEX}),
2094 undef, undef,
2095 tokenize($expand_variables->($+{VALUE})))
2096 if !@skip || $skip[$#skip] > 0; },
285daccd 2097 qr/^\s* INCLUDE ${index_re} = ${value_re} $/x
ad5be194
RL		 2098 => sub { $push_to->(\%includes, $expand_variables->($+{INDEX}),
2099 undef, undef,
2100 tokenize($expand_variables->($+{VALUE})))
2101 if !@skip || $skip[$#skip] > 0; },
285daccd 2102 qr/^\s* DEFINE ${index_re} = ${value_re} $/x
ad5be194
RL		 2103 => sub { $push_to->(\%defines, $expand_variables->($+{INDEX}),
2104 undef, undef,
2105 tokenize($expand_variables->($+{VALUE})))
2106 if !@skip || $skip[$#skip] > 0; },
9eba5933 2107 qr/^\s* DEPEND ${index_re} ${attribs_re} = ${value_re} $/x
ad5be194
RL		 2108 => sub { $push_to->(\%depends, $expand_variables->($+{INDEX}),
2109 \$attributes{depends}, $+{ATTRIBS},
2110 tokenize($expand_variables->($+{VALUE})))
2111 if !@skip || $skip[$#skip] > 0; },
285daccd 2112 qr/^\s* GENERATE ${index_re} = ${value_re} $/x
ad5be194
RL		 2113 => sub { $push_to->(\%generate, $expand_variables->($+{INDEX}),
2114 undef, undef, $+{VALUE})
2115 if !@skip || $skip[$#skip] > 0; },
285daccd 2116 qr/^\s* (?:\#.*)? $/x => sub { },
2b6b606c
RL		 2117 "OTHERWISE" => sub { die "Something wrong with this line:\n$_\nat $sourced/$f" },
2118 "BEFORE" => sub {
2119 if ($buildinfo_debug) {
2120 print STDERR "DEBUG: Parsing ",join(" ", @_),"\n";
2121 print STDERR "DEBUG: ... before parsing, skip stack is ",join(" ", map { int($_) } @skip),"\n";
2122 }
2123 },
2124 "AFTER" => sub {
2125 if ($buildinfo_debug) {
2126 print STDERR "DEBUG: .... after parsing, skip stack is ",join(" ", map { int($_) } @skip),"\n";
2127 }
2128 },
9fe2bb77
RL		 2129 );
2130 die "runaway IF?" if (@skip);
2131
285daccd 2132 if (grep { defined $attributes{modules}->{$_}->{engine} } keys %attributes
1842f369
RL		 2133 and !$config{dynamic_engines}) {
2134 die <<"EOF"
19ab5790 2135ENGINES can only be used if configured with 'dynamic-engine'.
9fe2bb77
RL		 2136This is usually a fault in a build.info file.
2137EOF
1842f369 2138 }
7f5af797 2139
c91f24d4
RL		 2140 {
2141 my %infos = ( programs => [ @programs ],
2142 libraries => [ @libraries ],
1842f369 2143 modules => [ @modules ],
da7e31e0 2144 scripts => [ @scripts ] );
c91f24d4
RL		 2145 foreach my $k (keys %infos) {
2146 foreach (@{$infos{$k}}) {
2147 my $item = cleanfile($buildd, $_, $blddir);
2148 $unified_info{$k}->{$item} = 1;
285daccd
RL		 2149
2150 # Fix up associated attributes
2151 $unified_info{attributes}->{$k}->{$item} =
2152 $attributes{$k}->{$_}
2153 if defined $attributes{$k}->{$_};
c91f24d4
RL		 2154 }
2155 }
8a67946e
RL		 2156 }
2157
f5fb6f05
RL		 2158 # Check that we haven't defined any library as both shared and
2159 # explicitly static. That is forbidden.
2160 my @doubles = ();
2161 foreach (grep /\.a$/, keys %{$unified_info{libraries}}) {
2162 (my $l = $_) =~ s/\.a$//;
2163 push @doubles, $l if defined $unified_info{libraries}->{$l};
9fe2bb77 2164 }
f5fb6f05
RL		 2165 die "these libraries are both explicitly static and shared:\n ",
2166 join(" ", @doubles), "\n"
2167 if @doubles;
9fe2bb77 2168
9fe2bb77
RL		 2169 foreach (keys %sources) {
2170 my $dest = $_;
2e963849 2171 my $ddest = cleanfile($buildd, $_, $blddir);
9fe2bb77 2172 foreach (@{$sources{$dest}}) {
2e963849 2173 my $s = cleanfile($sourced, $_, $blddir);
9fe2bb77 2174
19cf4404
RL		 2175 # If it's generated or we simply don't find it in the source
2176 # tree, we assume it's in the build tree.
2177 if ($s eq $src_configdata || $generate{$_} || ! -f $s) {
2e963849 2178 $s = cleanfile($buildd, $_, $blddir);
9fe2bb77 2179 }
ea241958
RL		 2180 # We recognise C++, C and asm files
2181 if ($s =~ /\.(cc|cpp|c|s|S)$/) {
2182 my $o = $_;
2183 $o =~ s/\.[csS]$/.o/; # C and assembler
2184 $o =~ s/\.(cc|cpp)$/_cc.o/; # C++
2e963849 2185 $o = cleanfile($buildd, $o, $blddir);
bec2db18
RL		 2186 $unified_info{sources}->{$ddest}->{$o} = -1;
2187 $unified_info{sources}->{$o}->{$s} = -1;
83900628
RS		 2188 } elsif ($s =~ /\.rc$/) {
2189 # We also recognise resource files
2190 my $o = $_;
2191 $o =~ s/\.rc$/.res/; # Resource configuration
2192 my $o = cleanfile($buildd, $o, $blddir);
bec2db18
RL		 2193 $unified_info{sources}->{$ddest}->{$o} = -1;
2194 $unified_info{sources}->{$o}->{$s} = -1;
9fe2bb77
RL		 2195 } else {
2196 $unified_info{sources}->{$ddest}->{$s} = 1;
2197 }
2198 }
2199 }
2200
2a08d1a0
RL		 2201 foreach (keys %shared_sources) {
2202 my $dest = $_;
2203 my $ddest = cleanfile($buildd, $_, $blddir);
2a08d1a0
RL		 2204 foreach (@{$shared_sources{$dest}}) {
2205 my $s = cleanfile($sourced, $_, $blddir);
2206
19cf4404
RL		 2207 # If it's generated or we simply don't find it in the source
2208 # tree, we assume it's in the build tree.
2209 if ($s eq $src_configdata || $generate{$_} || ! -f $s) {
2a08d1a0
RL		 2210 $s = cleanfile($buildd, $_, $blddir);
2211 }
ccce3e1d 2212
ea241958 2213 if ($s =~ /\.(cc|cpp|c|s|S)$/) {
ccce3e1d 2214 # We recognise C++, C and asm files
ea241958
RL		 2215 my $o = $_;
2216 $o =~ s/\.[csS]$/.o/; # C and assembler
2217 $o =~ s/\.(cc|cpp)$/_cc.o/; # C++
2a08d1a0 2218 $o = cleanfile($buildd, $o, $blddir);
bec2db18
RL		 2219 $unified_info{shared_sources}->{$ddest}->{$o} = -1;
2220 $unified_info{sources}->{$o}->{$s} = -1;
ccce3e1d
RL		 2221 } elsif ($s =~ /\.rc$/) {
2222 # We also recognise resource files
2223 my $o = $_;
2224 $o =~ s/\.rc$/.res/; # Resource configuration
2225 my $o = cleanfile($buildd, $o, $blddir);
bec2db18
RL		 2226 $unified_info{shared_sources}->{$ddest}->{$o} = -1;
2227 $unified_info{sources}->{$o}->{$s} = -1;
ef2dfc99
RL		 2228 } elsif ($s =~ /\.ld$/) {
2229 # We also recognise linker scripts (or corresponding)
ccce3e1d 2230 # We know they are generated files
05a72c28 2231 my $ld = cleanfile($buildd, $_, $blddir);
ef2dfc99 2232 $unified_info{shared_sources}->{$ddest}->{$ld} = 1;
2a08d1a0
RL		 2233 } else {
2234 die "unrecognised source file type for shared library: $s\n";
2235 }
2236 }
2237 }
2238
ae4c7450
RL		 2239 foreach (keys %generate) {
2240 my $dest = $_;
2241 my $ddest = cleanfile($buildd, $_, $blddir);
ae4c7450 2242 die "more than one generator for $dest: "
cff64af5
RL		 2243 ,join(" ", @{$generate{$_}}),"\n"
2244 if scalar @{$generate{$_}} > 1;
ae4c7450 2245 my @generator = split /\s+/, $generate{$dest}->[0];
cff64af5
RL		 2246 my $gen = $generator[0];
2247 $generator[0] = cleanfile($sourced, $gen, $blddir);
2248
19cf4404 2249 # If the generator is itself generated, it's in the build tree
cff64af5
RL		 2250 if ($generate{$gen}) {
2251 $generator[0] = cleanfile($buildd, $gen, $blddir);
2252 }
2253
ae4c7450
RL		 2254 $unified_info{generate}->{$ddest} = [ @generator ];
2255 }
2256
9fe2bb77
RL		 2257 foreach (keys %depends) {
2258 my $dest = $_;
4f858293 2259 my $ddest = $dest eq "" ? "" : cleanfile($sourced, $_, $blddir);
8d34daf0
RL		 2260
2261 # If the destination doesn't exist in source, it can only be
2262 # a generated file in the build tree.
846e4c4d 2263 if ($ddest ne "" && ($ddest eq $src_configdata || ! -f $ddest)) {
8d34daf0 2264 $ddest = cleanfile($buildd, $_, $blddir);
9fe2bb77
RL		 2265 }
2266 foreach (@{$depends{$dest}}) {
2e963849 2267 my $d = cleanfile($sourced, $_, $blddir);
9fe2bb77 2268
e737d7b1
RL		 2269 # If we know it's generated, or assume it is because we can't
2270 # find it in the source tree, we set file we depend on to be
19cf4404 2271 # in the build tree rather than the source tree.
846e4c4d 2272 if ($d eq $src_configdata
da1f2104
RL		 2273 || (grep { $d eq $_ }
2274 map { cleanfile($srcdir, $_, $blddir) }
19cf4404
RL		 2275 grep { /\.h$/ } keys %{$unified_info{generate}})
2276 || ! -f $d) {
2e963849 2277 $d = cleanfile($buildd, $_, $blddir);
9fe2bb77 2278 }
9fe2bb77 2279 $unified_info{depends}->{$ddest}->{$d} = 1;
9eba5933
RL		 2280
2281 # Fix up associated attributes
2282 $unified_info{attributes}->{depends}->{$ddest}->{$d} =
2283 $attributes{depends}->{$dest}->{$_}
2284 if defined $attributes{depends}->{$dest}->{$_};
9fe2bb77
RL		 2285 }
2286 }
2287
2288 foreach (keys %includes) {
2289 my $dest = $_;
8d34daf0
RL		 2290 my $ddest = cleanfile($sourced, $_, $blddir);
2291
2292 # If the destination doesn't exist in source, it can only be
2293 # a generated file in the build tree.
846e4c4d 2294 if ($ddest eq $src_configdata || ! -f $ddest) {
8d34daf0 2295 $ddest = cleanfile($buildd, $_, $blddir);
9fe2bb77
RL		 2296 }
2297 foreach (@{$includes{$dest}}) {
4748f890
RL		 2298 my $is = cleandir($sourced, $_, $blddir);
2299 my $ib = cleandir($buildd, $_, $blddir);
2300 push @{$unified_info{includes}->{$ddest}->{source}}, $is
2301 unless grep { $_ eq $is } @{$unified_info{includes}->{$ddest}->{source}};
2302 push @{$unified_info{includes}->{$ddest}->{build}}, $ib
2303 unless grep { $_ eq $ib } @{$unified_info{includes}->{$ddest}->{build}};
9fe2bb77
RL		 2304 }
2305 }
b96ab5e6 2306
ef57f799
RL		 2307 foreach my $dest (keys %defines) {
2308 my $ddest;
b96ab5e6 2309
ef57f799
RL		 2310 if ($dest ne "") {
2311 $ddest = cleanfile($sourced, $dest, $blddir);
2312
2313 # If the destination doesn't exist in source, it can only
2314 # be a generated file in the build tree.
2315 if (! -f $ddest) {
2316 $ddest = cleanfile($buildd, $dest, $blddir);
b96ab5e6
RL		 2317 }
2318 }
ef57f799
RL		 2319 foreach my $v (@{$defines{$dest}}) {
2320 $v =~ m|^([^=]*)(=.*)?$|;
b96ab5e6 2321 die "0 length macro name not permitted\n" if $1 eq "";
ef57f799
RL		 2322 if ($dest ne "") {
2323 die "$1 defined more than once\n"
2324 if defined $unified_info{defines}->{$ddest}->{$1};
2325 $unified_info{defines}->{$ddest}->{$1} = $2;
2326 } else {
2327 die "$1 defined more than once\n"
2328 if grep { $v eq $_ } @{$config{defines}};
2329 push @{$config{defines}}, $v;
2330 }
b96ab5e6
RL		 2331 }
2332 }
829f86bb
RL		 2333
2334 foreach my $section (keys %htmldocs) {
2335 foreach (@{$htmldocs{$section}}) {
2336 my $htmldocs = cleanfile($buildd, $_, $blddir);
2337 $unified_info{htmldocs}->{$section}->{$htmldocs} = 1;
2338 }
2339 }
2340
2341 foreach my $section (keys %mandocs) {
2342 foreach (@{$mandocs{$section}}) {
2343 my $mandocs = cleanfile($buildd, $_, $blddir);
2344 $unified_info{mandocs}->{$section}->{$mandocs} = 1;
2345 }
2346 }
9fe2bb77
RL		 2347 }
2348
d201dbc9
RL		 2349 my $ordinals_text = join(', ', sort keys %ordinals);
2350 warn <<"EOF" if $ordinals_text;
2351
2352WARNING: ORDINALS were specified for $ordinals_text
2353They are ignored and should be replaced with a combination of GENERATE,
2354DEPEND and SHARED_SOURCE.
2355EOF
2356
51583cb8
RL		 2357
2358 # Go through the sources of all libraries and check that the same basename
2359 # doesn't appear more than once. Some static library archivers depend on
2360 # them being unique.
2361 {
2362 my $err = 0;
2363 foreach my $prod (keys %{$unified_info{libraries}}) {
2364 my @prod_sources =
2365 map { keys %{$unified_info{sources}->{$_}} }
2366 keys %{$unified_info{sources}->{$prod}};
2367 my %srccnt = ();
2368
2369 # Count how many times a given each source basename
2370 # appears for each product.
2371 foreach my $src (@prod_sources) {
2372 $srccnt{basename $src}++;
2373 }
2374
2375 foreach my $src (keys %srccnt) {
2376 if ((my $cnt = $srccnt{$src}) > 1) {
2377 print STDERR "$src appears $cnt times for the product $prod\n";
2378 $err++
2379 }
2380 }
2381 }
2382 die if $err > 0;
2383 }
2384
1b5ad51f
RL		 2385 # Massage the result
2386
e431bcfa
RL		 2387 # If we depend on a header file or a perl module, add an inclusion of
2388 # its directory to allow smoothe inclusion
2389 foreach my $dest (keys %{$unified_info{depends}}) {
2390 next if $dest eq "";
2391 foreach my $d (keys %{$unified_info{depends}->{$dest}}) {
2392 next unless $d =~ /\.(h|pm)$/;
906032d5
RL		 2393 my $i = dirname($d);
2394 my $spot =
2395 $d eq "configdata.pm" || defined($unified_info{generate}->{$d})
2396 ? 'build' : 'source';
2397 push @{$unified_info{includes}->{$dest}->{$spot}}, $i
2398 unless grep { $_ eq $i } @{$unified_info{includes}->{$dest}->{$spot}};
e431bcfa
RL		 2399 }
2400 }
2401
ef2dfc99 2402 # Go through all intermediary files and change their names to something that
bec2db18
RL		 2403 # reflects what they will be built for. Note that for some source files,
2404 # this leads to duplicate object files because they are used multiple times.
2405 # the goal is to rename all object files according to this scheme:
2406 # {productname}-{midfix}-{origobjname}.[o|res]
2407 # the {midfix} is a keyword indicating the type of product, which is mostly
2408 # valuable for libraries since they come in two forms.
2409 #
2410 # This also reorganises the {sources} and {shared_sources} so that the
2411 # former only contains ALL object files that are supposed to end up in
2412 # static libraries and programs, while the latter contains ALL object files
2413 # that are supposed to end up in shared libraries and DSOs.
2414 # The main reason for having two different source structures is to allow
2415 # the same name to be used for the static and the shared variants of a
2416 # library.
2417 {
2418 # Take copies so we don't get interference from added stuff
2419 my %unified_copy = ();
2420 foreach (('sources', 'shared_sources')) {
2421 $unified_copy{$_} = { %{$unified_info{$_}} }
2422 if defined($unified_info{$_});
2423 delete $unified_info{$_};
2424 }
1842f369 2425 foreach my $prodtype (('programs', 'libraries', 'modules', 'scripts')) {
bec2db18
RL		 2426 # $intent serves multi purposes:
2427 # - give a prefix for the new object files names
2428 # - in the case of libraries, rearrange the object files so static
2429 # libraries use the 'sources' structure exclusively, while shared
2430 # libraries use the 'shared_sources' structure exclusively.
2431 my $intent = {
2432 programs => { bin => { src => [ 'sources' ],
2433 dst => 'sources' } },
2434 libraries => { lib => { src => [ 'sources' ],
2435 dst => 'sources' },
2436 shlib => { prodselect =>
2437 sub { grep !/\.a$/, @_ },
2438 src => [ 'sources',
2439 'shared_sources' ],
2440 dst => 'shared_sources' } },
22b41467
RL		 2441 modules => { dso => { src => [ 'sources' ],
2442 dst => 'sources' } },
bec2db18
RL		 2443 scripts => { script => { src => [ 'sources' ],
2444 dst => 'sources' } }
2445 } -> {$prodtype};
2446 foreach my $kind (keys %$intent) {
856b1b65
RL		 2447 next if ($intent->{$kind}->{dst} eq 'shared_sources'
2448 && $disabled{shared});
2449
bec2db18
RL		 2450 my @src = @{$intent->{$kind}->{src}};
2451 my $dst = $intent->{$kind}->{dst};
2452 my $prodselect = $intent->{$kind}->{prodselect} // sub { @_ };
2453 foreach my $prod ($prodselect->(keys %{$unified_info{$prodtype}})) {
2454 # %prod_sources has all applicable objects as keys, and
2455 # their corresponding sources as values
2456 my %prod_sources =
2457 map { $_ => [ keys %{$unified_copy{sources}->{$_}} ] }
2458 map { keys %{$unified_copy{$_}->{$prod}} }
2459 @src;
2460 foreach (keys %prod_sources) {
ef2dfc99
RL		 2461 # Only affect object files and resource files,
2462 # the others simply get a new value
2463 # (+1 instead of -1)
bec2db18
RL		 2464 if ($_ =~ /\.(o|res)$/) {
2465 (my $prodname = $prod) =~ s|\.a$||;
2466 my $newobj =
2467 catfile(dirname($_),
2468 basename($prodname)
2469 . '-' . $kind
2470 . '-' . basename($_));
2471 $unified_info{$dst}->{$prod}->{$newobj} = 1;
2472 foreach my $src (@{$prod_sources{$_}}) {
2473 $unified_info{sources}->{$newobj}->{$src} = 1;
2474 }
2475 # Adjust dependencies
2476 foreach my $deps (keys %{$unified_info{depends}->{$_}}) {
2477 $unified_info{depends}->{$_}->{$deps} = -1;
2478 $unified_info{depends}->{$newobj}->{$deps} = 1;
2479 }
2480 # Adjust includes
2481 foreach my $k (('source', 'build')) {
2482 next unless
2483 defined($unified_info{includes}->{$_}->{$k});
2484 my @incs = @{$unified_info{includes}->{$_}->{$k}};
2485 $unified_info{includes}->{$newobj}->{$k} = [ @incs ];
2486 }
2487 } else {
2488 $unified_info{$dst}->{$prod}->{$_} = 1;
2489 }
2490 }
2491 }
2492 }
2493 }
2494 }
51583cb8 2495
bec2db18
RL		 2496 # At this point, we have a number of sources with the value -1. They
2497 # aren't part of the local build and are probably meant for a different
2498 # platform, and can therefore be cleaned away. That happens when making
2499 # %unified_info more efficient below.
2500
9fe2bb77
RL		 2501 ### Make unified_info a bit more efficient
2502 # One level structures
1842f369 2503 foreach (("programs", "libraries", "modules", "scripts")) {
9fe2bb77
RL		 2504 $unified_info{$_} = [ sort keys %{$unified_info{$_}} ];
2505 }
2506 # Two level structures
829f86bb
RL		 2507 foreach my $l1 (("sources", "shared_sources", "ldadd", "depends",
2508 "htmldocs", "mandocs")) {
9fe2bb77 2509 foreach my $l2 (sort keys %{$unified_info{$l1}}) {
bec2db18
RL		 2510 my @items =
2511 sort
2512 grep { $unified_info{$l1}->{$l2}->{$_} > 0 }
2513 keys %{$unified_info{$l1}->{$l2}};
2514 if (@items) {
2515 $unified_info{$l1}->{$l2} = [ @items ];
2516 } else {
2517 delete $unified_info{$l1}->{$l2};
2518 }
9fe2bb77
RL		 2519 }
2520 }
b96ab5e6
RL		 2521 # Defines
2522 foreach my $dest (sort keys %{$unified_info{defines}}) {
2523 $unified_info{defines}->{$dest}
2524 = [ map { $_.$unified_info{defines}->{$dest}->{$_} }
2525 sort keys %{$unified_info{defines}->{$dest}} ];
2526 }
4748f890
RL		 2527 # Includes
2528 foreach my $dest (sort keys %{$unified_info{includes}}) {
2529 if (defined($unified_info{includes}->{$dest}->{build})) {
e431bcfa
RL		 2530 my @source_includes = ();
2531 @source_includes = ( @{$unified_info{includes}->{$dest}->{source}} )
2532 if defined($unified_info{includes}->{$dest}->{source});
4748f890
RL		 2533 $unified_info{includes}->{$dest} =
2534 [ @{$unified_info{includes}->{$dest}->{build}} ];
2535 foreach my $inc (@source_includes) {
2536 push @{$unified_info{includes}->{$dest}}, $inc
2537 unless grep { $_ eq $inc } @{$unified_info{includes}->{$dest}};
2538 }
609e4be8 2539 } elsif (defined($unified_info{includes}->{$dest}->{source})) {
4748f890
RL		 2540 $unified_info{includes}->{$dest} =
2541 [ @{$unified_info{includes}->{$dest}->{source}} ];
609e4be8
RL		 2542 } else {
2543 delete $unified_info{includes}->{$dest};
4748f890
RL		 2544 }
2545 }
b6e66075
RL		 2546
2547 # For convenience collect information regarding directories where
2548 # files are generated, those generated files and the end product
2549 # they end up in where applicable. Then, add build rules for those
2550 # directories
2551 my %loopinfo = ( "lib" => [ @{$unified_info{libraries}} ],
1842f369 2552 "dso" => [ @{$unified_info{modules}} ],
b6e66075 2553 "bin" => [ @{$unified_info{programs}} ],
829f86bb
RL		 2554 "script" => [ @{$unified_info{scripts}} ],
2555 "docs" => [ (map { @{$unified_info{htmldocs}->{$_} // []} }
2556 keys %{$unified_info{htmldocs} // {}}),
2557 (map { @{$unified_info{mandocs}->{$_} // []} }
2558 keys %{$unified_info{mandocs} // {}}) ] );
b6e66075
RL		 2559 foreach my $type (keys %loopinfo) {
2560 foreach my $product (@{$loopinfo{$type}}) {
2561 my %dirs = ();
2562 my $pd = dirname($product);
2563
3bed01a0 2564 foreach (@{$unified_info{sources}->{$product} // []},
b6e66075
RL		 2565 @{$unified_info{shared_sources}->{$product} // []}) {
2566 my $d = dirname($_);
2567
2568 # We don't want to create targets for source directories
2569 # when building out of source
2570 next if ($config{sourcedir} ne $config{builddir}
2571 && $d =~ m|^\Q$config{sourcedir}\E|);
2572 # We already have a "test" target, and the current directory
2573 # is just silly to make a target for
2574 next if $d eq "test" || $d eq ".";
2575
2576 $dirs{$d} = 1;
2577 push @{$unified_info{dirinfo}->{$d}->{deps}}, $_
2578 if $d ne $pd;
2579 }
2580 foreach (keys %dirs) {
2581 push @{$unified_info{dirinfo}->{$_}->{products}->{$type}},
2582 $product;
2583 }
2584 }
2585 }
9fe2bb77
RL		 2586}
2587
2588# For the schemes that need it, we provide the old *_obj configs
2589# from the *_asm_obj ones
3a55c92b 2590foreach (grep /_(asm|aux)_src$/, keys %target) {
9fe2bb77 2591 my $src = $_;
3a55c92b 2592 (my $obj = $_) =~ s/_(asm|aux)_src$/_obj/;
ea241958
RL		 2593 $target{$obj} = $target{$src};
2594 $target{$obj} =~ s/\.[csS]\b/.o/g; # C and assembler
2595 $target{$obj} =~ s/\.(cc|cpp)\b/_cc.o/g; # C++
9fe2bb77
RL		 2596}
2597
291e94df
RL		 2598# Write down our configuration where it fits #########################
2599
1f86b822
RL		 2600my %template_vars = (
2601 config => \%config,
2602 target => \%target,
2603 disablables => \@disablables,
2604 disablables_int => \@disablables_int,
2605 disabled => \%disabled,
2606 withargs => \%withargs,
2607 unified_info => \%unified_info,
2608 tls => \@tls,
2609 dtls => \@dtls,
2610 makevars => [ sort keys %user ],
2611 disabled_info => \%disabled_info,
2612 user_crossable => \@user_crossable,
291e94df 2613);
1f86b822
RL		 2614my $configdata_outname = 'configdata.pm';
2615print "Creating $configdata_outname\n";
2616open CONFIGDATA, ">$configdata_outname.new"
2617 or die "Trying to create $configdata_outname.new: $!";
2618my $configdata_tmplname = cleanfile($srcdir, "configdata.pm.in", $blddir);
2619my $configdata_tmpl =
2620 OpenSSL::Template->new(TYPE => 'FILE', SOURCE => $configdata_tmplname);
2621$configdata_tmpl->fill_in(
2622 FILENAME => $configdata_tmplname,
2623 OUTPUT => \*CONFIGDATA,
2624 HASH => { %template_vars,
2625 autowarntext => [
2626 'WARNING: do not edit!',
2627 "Generated by Configure from $configdata_tmplname",
2628 ] }
2629) or die $Text::Template::ERROR;
2630close CONFIGDATA;
2631rename "$configdata_outname.new", $configdata_outname;
b1fafff6
RL		 2632if ($builder_platform eq 'unix') {
2633 my $mode = (0755 & ~umask);
2634 chmod $mode, 'configdata.pm'
2635 or warn sprintf("WARNING: Couldn't change mode for 'configdata.pm' to 0%03o: %s\n",$mode,$!);
2636}
cba5068d 2637
1f86b822
RL		 2638print "Running $configdata_outname\n";
2639my $perlcmd = (quotify("maybeshell", $config{PERL}))[0];
2640my $cmd = "$perlcmd $configdata_outname";
2641#print STDERR "DEBUG[run_dofile]: \$cmd = $cmd\n";
2642system($cmd);
2643exit 1 if $? != 0;
fce0ba5f 2644
8937a4ed
RL		 2645$SIG{__DIE__} = $orig_death_handler;
2646
9c62a279 2647print <<"EOF" if ($disabled{threads} eq "unavailable");
5f8d5c96
BM		 2648
2649The library could not be configured for supporting multi-threaded
2650applications as the compiler options required on this system are not known.
f828ba03 2651See file INSTALL.md for details if you need multi-threading.
ec577822
BM		 2652EOF
2653
76ffb43d 2654print <<"EOF" if ($no_shared_warn);
2964ba8c 2655
ae48242c
RL		 2656The options 'shared', 'pic' and 'dynamic-engine' aren't supported on this
2657platform, so we will pretend you gave the option 'no-pic', which also disables
2658'shared' and 'dynamic-engine'. If you know how to implement shared libraries
2659or position independent code, please let us know (but please first make sure
2660you have tried with a current version of OpenSSL).
2e31ef03
RS		 2661EOF
2662
820e414d
RL		 2663print <<"EOF";
2664
2665**********************************************************************
2666*** ***
41349b5e 2667*** OpenSSL has been successfully configured ***
820e414d 2668*** ***
41349b5e
DMSP		 2669*** If you encounter a problem while building, please open an ***
2670*** issue on GitHub <https://github.com/openssl/openssl/issues> ***
2671*** and include the output from the following command: ***
2672*** ***
2673*** perl configdata.pm --dump ***
2674*** ***
2675*** (If you are new to OpenSSL, you might want to consult the ***
f828ba03 2676*** 'Troubleshooting' section in the INSTALL.md file first) ***
820e414d
RL		 2677*** ***
2678**********************************************************************
2679EOF
2680
d02b48c6
RE		 2681exit(0);
2682
bd5192b1
RL		 2683######################################################################
2684#
2685# Helpers and utility functions
2686#
2687
8937a4ed
RL		 2688# Death handler, to print a helpful message in case of failure #######
2689#
2690sub death_handler {
eb807d53 2691 die @_ if $^S; # To prevent the added message in eval blocks
8937a4ed 2692 my $build_file = $target{build_file} // "build file";
eb807d53 2693 my @message = ( <<"_____", @_ );
8937a4ed
RL		 2694
2695Failure! $build_file wasn't produced.
f828ba03
RL		 2696Please read INSTALL.md and associated NOTES files. You may also have to
2697look over your available compiler tool chain or change your configuration.
8937a4ed
RL		 2698
2699_____
eb807d53
RL		 2700
2701 # Dying is terminal, so it's ok to reset the signal handler here.
2702 $SIG{__DIE__} = $orig_death_handler;
2703 die @message;
8937a4ed
RL		 2704}
2705
bd5192b1
RL		 2706# Configuration file reading #########################################
2707
1f2e1cd5
RL		 2708# Note: All of the helper functions are for lazy evaluation. They all
2709# return a CODE ref, which will return the intended value when evaluated.
2710# Thus, whenever there's mention of a returned value, it's about that
2711# intended value.
2712
1f2e1cd5
RL		 2713# Helper function to implement conditional value variants, with a default
2714# plus additional values based on the value of $config{build_type}.
2715# Arguments are given in hash table form:
2716#
2717# picker(default => "Basic string: ",
2718# debug => "debug",
2719# release => "release")
2720#
2721# When configuring with --debug, the resulting string will be
2722# "Basic string: debug", and when not, it will be "Basic string: release"
2723#
2724# This can be used to create variants of sets of flags according to the
2725# build type:
2726#
2727# cflags => picker(default => "-Wall",
2728# debug => "-g -O0",
2729# release => "-O3")
2730#
2731sub picker {
2732 my %opts = @_;
2733 return sub { add($opts{default} || (),
2734 $opts{$config{build_type}} || ())->(); }
2735}
2736
2737# Helper function to combine several values of different types into one.
2738# This is useful if you want to combine a string with the result of a
2739# lazy function, such as:
2740#
2741# cflags => combine("-Wall", sub { $disabled{zlib} ? () : "-DZLIB" })
2742#
2743sub combine {
2744 my @stuff = @_;
2745 return sub { add(@stuff)->(); }
2746}
2747
2748# Helper function to implement conditional values depending on the value
2749# of $disabled{threads}. Can be used as follows:
2750#
2751# cflags => combine("-Wall", threads("-pthread"))
2752#
2753sub threads {
2754 my @flags = @_;
2755 return sub { add($disabled{threads} ? () : @flags)->(); }
2756}
2757
60aa6c1a
AP		 2758sub shared {
2759 my @flags = @_;
2760 return sub { add($disabled{shared} ? () : @flags)->(); }
2761}
1f2e1cd5 2762
9c62a279 2763our $add_called = 0;
88087414
RL		 2764# Helper function to implement adding values to already existing configuration
2765# values. It handles elements that are ARRAYs, CODEs and scalars
2766sub _add {
2767 my $separator = shift;
2768
bcb1977b
RL		 2769 # If there's any ARRAY in the collection of values OR the separator
2770 # is undef, we will return an ARRAY of combined values, otherwise a
2771 # string of joined values with $separator as the separator.
2772 my $found_array = !defined($separator);
88087414
RL		 2773
2774 my @values =
84f32c84
DMSP		 2775 map {
2776 my $res = $_;
2777 while (ref($res) eq "CODE") {
2778 $res = $res->();
2779 }
2780 if (defined($res)) {
2781 if (ref($res) eq "ARRAY") {
2782 $found_array = 1;
2783 @$res;
2784 } else {
2785 $res;
2786 }
2787 } else {
2788 ();
2789 }
88087414
RL		 2790 } (@_);
2791
9c62a279
RL		 2792 $add_called = 1;
2793
88087414 2794 if ($found_array) {
84f32c84 2795 [ @values ];
88087414 2796 } else {
84f32c84 2797 join($separator, grep { defined($_) && $_ ne "" } @values);
88087414
RL		 2798 }
2799}
2800sub add_before {
bdcd83e1
RL		 2801 my $separator = " ";
2802 if (ref($_[$#_]) eq "HASH") {
2803 my $opts = pop;
2804 $separator = $opts->{separator};
2805 }
88087414
RL		 2806 my @x = @_;
2807 sub { _add($separator, @x, @_) };
2808}
2809sub add {
bdcd83e1
RL		 2810 my $separator = " ";
2811 if (ref($_[$#_]) eq "HASH") {
2812 my $opts = pop;
2813 $separator = $opts->{separator};
2814 }
88087414
RL		 2815 my @x = @_;
2816 sub { _add($separator, @_, @x) };
2817}
2818
3b6c4b07
RL		 2819sub read_eval_file {
2820 my $fname = shift;
2821 my $content;
2822 my @result;
2823
2824 open F, "< $fname" or die "Can't open '$fname': $!\n";
2825 {
2826 undef local $/;
2827 $content = <F>;
2828 }
2829 close F;
2830 {
2831 local $@;
2832
2833 @result = ( eval $content );
2834 warn $@ if $@;
2835 }
2836 return wantarray ? @result : $result[0];
2837}
2838
bd5192b1
RL		 2839# configuration reader, evaluates the input file as a perl script and expects
2840# it to fill %targets with target configurations. Those are then added to
2841# %table.
2842sub read_config {
2843 my $fname = shift;
3b6c4b07
RL		 2844 my %targets;
2845
bd5192b1 2846 {
84f32c84
DMSP		 2847 # Protect certain tables from tampering
2848 local %table = ();
bd5192b1 2849
84f32c84 2850 %targets = read_eval_file($fname);
bd5192b1 2851 }
225f980d
RL		 2852 my %preexisting = ();
2853 foreach (sort keys %targets) {
2854 $preexisting{$_} = 1 if $table{$_};
2855 }
2856 die <<"EOF",
2857The following config targets from $fname
2858shadow pre-existing config targets with the same name:
2859EOF
2860 map { " $_\n" } sort keys %preexisting
2861 if %preexisting;
2862
bd5192b1
RL		 2863
2864 # For each target, check that it's configured with a hash table.
2865 foreach (keys %targets) {
84f32c84
DMSP		 2866 if (ref($targets{$_}) ne "HASH") {
2867 if (ref($targets{$_}) eq "") {
2868 warn "Deprecated target configuration for $_, ignoring...\n";
2869 } else {
2870 warn "Misconfigured target configuration for $_ (should be a hash table), ignoring...\n";
2871 }
2872 delete $targets{$_};
2873 } else {
ee9b0bbb
RL		 2874 $targets{$_}->{_conf_fname_int} = add([ $fname ]);
2875 }
bd5192b1
RL		 2876 }
2877
2878 %table = (%table, %targets);
2879
2880}
2881
8483a003
F		 2882# configuration resolver. Will only resolve all the lazy evaluation
2883# codeblocks for the chosen target and all those it inherits from,
bd5192b1
RL		 2884# recursively
2885sub resolve_config {
2886 my $target = shift;
2887 my @breadcrumbs = @_;
2888
c4718849 2889# my $extra_checks = defined($ENV{CONFIGURE_EXTRA_CHECKS});
9c62a279 2890
bd5192b1 2891 if (grep { $_ eq $target } @breadcrumbs) {
84f32c84
DMSP		 2892 die "inherit_from loop! target backtrace:\n "
2893 ,$target,"\n ",join("\n ", @breadcrumbs),"\n";
bd5192b1
RL		 2894 }
2895
2896 if (!defined($table{$target})) {
84f32c84
DMSP		 2897 warn "Warning! target $target doesn't exist!\n";
2898 return ();
bd5192b1
RL		 2899 }
2900 # Recurse through all inheritances. They will be resolved on the
2901 # fly, so when this operation is done, they will all just be a
2902 # bunch of attributes with string values.
2903 # What we get here, though, are keys with references to lists of
2904 # the combined values of them all. We will deal with lists after
2905 # this stage is done.
2906 my %combined_inheritance = ();
2907 if ($table{$target}->{inherit_from}) {
84f32c84
DMSP		 2908 my @inherit_from =
2909 map { ref($_) eq "CODE" ? $_->() : $_ } @{$table{$target}->{inherit_from}};
2910 foreach (@inherit_from) {
2911 my %inherited_config = resolve_config($_, $target, @breadcrumbs);
2912
2913 # 'template' is a marker that's considered private to
2914 # the config that had it.
2915 delete $inherited_config{template};
2916
2917 foreach (keys %inherited_config) {
2918 if (!$combined_inheritance{$_}) {
2919 $combined_inheritance{$_} = [];
2920 }
2921 push @{$combined_inheritance{$_}}, $inherited_config{$_};
2922 }
2923 }
bd5192b1
RL		 2924 }
2925
2926 # We won't need inherit_from in this target any more, since we've
2927 # resolved all the inheritances that lead to this
2928 delete $table{$target}->{inherit_from};
2929
2930 # Now is the time to deal with those lists. Here's the place to
2931 # decide what shall be done with those lists, all based on the
2932 # values of the target we're currently dealing with.
2933 # - If a value is a coderef, it will be executed with the list of
2934 # inherited values as arguments.
2935 # - If the corresponding key doesn't have a value at all or is the
8483a003 2936 # empty string, the inherited value list will be run through the
bd5192b1
RL		 2937 # default combiner (below), and the result becomes this target's
2938 # value.
2939 # - Otherwise, this target's value is assumed to be a string that
2940 # will simply override the inherited list of values.
a26d8be9 2941 my $default_combiner = add();
bd5192b1
RL		 2942
2943 my %all_keys =
84f32c84
DMSP		 2944 map { $_ => 1 } (keys %combined_inheritance,
2945 keys %{$table{$target}});
b0b92a5b
RL		 2946
2947 sub process_values {
84f32c84
DMSP		 2948 my $object = shift;
2949 my $inherited = shift; # Always a [ list ]
2950 my $target = shift;
2951 my $entry = shift;
b0b92a5b 2952
9c62a279
RL		 2953 $add_called = 0;
2954
b0b92a5b
RL		 2955 while(ref($object) eq "CODE") {
2956 $object = $object->(@$inherited);
2957 }
2958 if (!defined($object)) {
2959 return ();
2960 }
2961 elsif (ref($object) eq "ARRAY") {
9c62a279 2962 local $add_called; # To make sure recursive calls don't affect it
b0b92a5b
RL		 2963 return [ map { process_values($_, $inherited, $target, $entry) }
2964 @$object ];
2965 } elsif (ref($object) eq "") {
2966 return $object;
2967 } else {
2968 die "cannot handle reference type ",ref($object)
2969 ," found in target ",$target," -> ",$entry,"\n";
2970 }
2971 }
2972
bd5192b1 2973 foreach (sort keys %all_keys) {
9c62a279 2974 my $previous = $combined_inheritance{$_};
bd5192b1 2975
84f32c84
DMSP		 2976 # Current target doesn't have a value for the current key?
2977 # Assign it the default combiner, the rest of this loop body
2978 # will handle it just like any other coderef.
2979 if (!exists $table{$target}->{$_}) {
2980 $table{$target}->{$_} = $default_combiner;
2981 }
bd5192b1 2982
84f32c84
DMSP		 2983 $table{$target}->{$_} = process_values($table{$target}->{$_},
2984 $combined_inheritance{$_},
2985 $target, $_);
b0b92a5b
RL		 2986 unless(defined($table{$target}->{$_})) {
2987 delete $table{$target}->{$_};
2988 }
c4718849
RL		 2989# if ($extra_checks &&
2990# $previous && !($add_called || $previous ~~ $table{$target}->{$_})) {
2991# warn "$_ got replaced in $target\n";
2992# }
bd5192b1
RL		 2993 }
2994
2995 # Finally done, return the result.
2996 return %{$table{$target}};
2997}
2998
462ba4f6 2999sub usage
84f32c84
DMSP		 3000 {
3001 print STDERR $usage;
3002 print STDERR "\npick os/compiler from:\n";
3003 my $j=0;
3004 my $i;
10a926c1 3005 my $k=0;
84f32c84
DMSP		 3006 foreach $i (sort keys %table)
3007 {
3008 next if $table{$i}->{template};
3009 next if $i =~ /^debug/;
3010 $k += length($i) + 1;
3011 if ($k > 78)
3012 {
3013 print STDERR "\n";
3014 $k=length($i);
3015 }
3016 print STDERR $i . " ";
3017 }
3018 foreach $i (sort keys %table)
3019 {
3020 next if $table{$i}->{template};
3021 next if $i !~ /^debug/;
3022 $k += length($i) + 1;
3023 if ($k > 78)
3024 {
3025 print STDERR "\n";
3026 $k=length($i);
3027 }
3028 print STDERR $i . " ";
3029 }
3030 print STDERR "\n\nNOTE: If in doubt, on Unix-ish systems use './config'.\n";
3031 exit(1);
3032 }
d02b48c6 3033
6d75a83c
RL		 3034sub compiler_predefined {
3035 state %predefined;
41d6e0f3 3036 my $cc = shift;
6d75a83c
RL		 3037
3038 return () if $^O eq 'VMS';
3039
41d6e0f3
AP		 3040 die 'compiler_predefined called without a compiler command'
3041 unless $cc;
6d75a83c 3042
41d6e0f3 3043 if (! $predefined{$cc}) {
6d75a83c 3044
41d6e0f3 3045 $predefined{$cc} = {};
6d75a83c
RL		 3046
3047 # collect compiler pre-defines from gcc or gcc-alike...
3048 open(PIPE, "$cc -dM -E -x c /dev/null 2>&1 |");
3049 while (my $l = <PIPE>) {
3050 $l =~ m/^#define\s+(\w+(?:\(\w+\))?)(?:\s+(.+))?/ or last;
41d6e0f3 3051 $predefined{$cc}->{$1} = $2 // '';
6d75a83c
RL		 3052 }
3053 close(PIPE);
3054 }
3055
41d6e0f3 3056 return %{$predefined{$cc}};
6d75a83c
RL		 3057}
3058
656bbdc6
AP		 3059sub which
3060{
3061 my ($name)=@_;
3062
3063 if (eval { require IPC::Cmd; 1; }) {
3064 IPC::Cmd->import();
3065 return scalar IPC::Cmd::can_run($name);
3066 } else {
3067 # if there is $directories component in splitpath,
3068 # then it's not something to test with $PATH...
3069 return $name if (File::Spec->splitpath($name))[1];
3070
3071 foreach (File::Spec->path()) {
3072 my $fullpath = catfile($_, "$name$target{exe_extension}");
3073 if (-f $fullpath and -x $fullpath) {
3074 return $fullpath;
3075 }
3076 }
3077 }
3078}
3079
7ecdf18d
RL		 3080sub env
3081{
3082 my $name = shift;
ac6ae8a9 3083 my %opts = @_;
7ecdf18d 3084
ac6ae8a9
RL		 3085 unless ($opts{cacheonly}) {
3086 # Note that if $ENV{$name} doesn't exist or is undefined,
3087 # $config{perlenv}->{$name} will be created with the value
3088 # undef. This is intentional.
89bea083 3089
ac6ae8a9
RL		 3090 $config{perlenv}->{$name} = $ENV{$name}
3091 if ! exists $config{perlenv}->{$name};
3092 }
7ecdf18d
RL		 3093 return $config{perlenv}->{$name};
3094}
3095
00ae96ca
RL		 3096# Configuration printer ##############################################
3097
3098sub print_table_entry
3099{
f770d75b
AP		 3100 local $now_printing = shift;
3101 my %target = resolve_config($now_printing);
00ae96ca
RL		 3102 my $type = shift;
3103
3104 # Don't print the templates
3105 return if $target{template};
3106
3107 my @sequence = (
84f32c84
DMSP		 3108 "sys_id",
3109 "cpp",
3110 "cppflags",
3111 "defines",
3112 "includes",
3113 "cc",
3114 "cflags",
84f32c84
DMSP		 3115 "ld",
3116 "lflags",
3117 "loutflag",
3118 "ex_libs",
3119 "bn_ops",
84f32c84
DMSP		 3120 "poly1035_asm_src",
3121 "thread_scheme",
3122 "perlasm_scheme",
3123 "dso_scheme",
3124 "shared_target",
3125 "shared_cflag",
3126 "shared_defines",
3127 "shared_ldflag",
3128 "shared_rcflag",
3129 "shared_extension",
3130 "dso_extension",
3131 "obj_extension",
3132 "exe_extension",
3133 "ranlib",
3134 "ar",
3135 "arflags",
3136 "aroutflag",
3137 "rc",
3138 "rcflags",
3139 "rcoutflag",
3140 "mt",
3141 "mtflags",
3142 "mtinflag",
3143 "mtoutflag",
3144 "multilib",
3145 "build_scheme",
3146 );
00ae96ca
RL		 3147
3148 if ($type eq "TABLE") {
84f32c84
DMSP		 3149 print "\n";
3150 print "*** $now_printing\n";
cb212f23
RL		 3151 foreach (@sequence) {
3152 if (ref($target{$_}) eq "ARRAY") {
3153 printf "\$%-12s = %s\n", $_, join(" ", @{$target{$_}});
3154 } else {
3155 printf "\$%-12s = %s\n", $_, $target{$_};
3156 }
3157 }
00ae96ca 3158 } elsif ($type eq "HASH") {
84f32c84
DMSP		 3159 my $largest =
3160 length((sort { length($a) <=> length($b) } @sequence)[-1]);
3161 print " '$now_printing' => {\n";
3162 foreach (@sequence) {
3163 if ($target{$_}) {
cb212f23
RL		 3164 if (ref($target{$_}) eq "ARRAY") {
3165 print " '",$_,"'"," " x ($largest - length($_))," => [ ",join(", ", map { "'$_'" } @{$target{$_}})," ],\n";
3166 } else {
3167 print " '",$_,"'"," " x ($largest - length($_))," => '",$target{$_},"',\n";
3168 }
84f32c84
DMSP		 3169 }
3170 }
3171 print " },\n";
00ae96ca
RL		 3172 }
3173}
3174
3175# Utility routines ###################################################
3176
2e963849
RL		 3177# On VMS, if the given file is a logical name, File::Spec::Functions
3178# will consider it an absolute path. There are cases when we want a
3179# purely syntactic check without checking the environment.
3180sub isabsolute {
3181 my $file = shift;
3182
3183 # On non-platforms, we just use file_name_is_absolute().
3184 return file_name_is_absolute($file) unless $^O eq "VMS";
3185
69687aa8 3186 # If the file spec includes a device or a directory spec,
2e963849
RL		 3187 # file_name_is_absolute() is perfectly safe.
3188 return file_name_is_absolute($file) if $file =~ m|[:\[]|;
3189
3190 # Here, we know the given file spec isn't absolute
3191 return 0;
3192}
3193
ec182ef0
RL		 3194# Makes a directory absolute and cleans out /../ in paths like foo/../bar
3195# On some platforms, this uses rel2abs(), while on others, realpath() is used.
3196# realpath() requires that at least all path components except the last is an
3197# existing directory. On VMS, the last component of the directory spec must
3198# exist.
3199sub absolutedir {
3200 my $dir = shift;
3201
3202 # realpath() is quite buggy on VMS. It uses LIB$FID_TO_NAME, which
3203 # will return the volume name for the device, no matter what. Also,
3204 # it will return an incorrect directory spec if the argument is a
3205 # directory that doesn't exist.
3206 if ($^O eq "VMS") {
3207 return rel2abs($dir);
3208 }
3209
3210 # We use realpath() on Unix, since no other will properly clean out
3211 # a directory spec.
3212 use Cwd qw/realpath/;
3213
3214 return realpath($dir);
3215}
3216
fe05264e
RL		 3217sub quotify {
3218 my %processors = (
84f32c84
DMSP		 3219 perl => sub { my $x = shift;
3220 $x =~ s/([\\\$\@"])/\\$1/g;
3221 return '"'.$x.'"'; },
3222 maybeshell => sub { my $x = shift;
3223 (my $y = $x) =~ s/([\\\"])/\\$1/g;
3224 if ($x ne $y || $x =~ m|\s|) {
3225 return '"'.$y.'"';
3226 } else {
3227 return $x;
3228 }
3229 },
3230 );
fe05264e
RL		 3231 my $for = shift;
3232 my $processor =
84f32c84 3233 defined($processors{$for}) ? $processors{$for} : sub { shift; };
fe05264e 3234
2110febb 3235 return map { $processor->($_); } @_;
fe05264e 3236}
107b5792 3237
9fe2bb77
RL		 3238# collect_from_file($filename, $line_concat_cond_re, $line_concat)
3239# $filename is a file name to read from
3240# $line_concat_cond_re is a regexp detecting a line continuation ending
3241# $line_concat is a CODEref that takes care of concatenating two lines
3242sub collect_from_file {
3243 my $filename = shift;
3244 my $line_concat_cond_re = shift;
3245 my $line_concat = shift;
3246
3247 open my $fh, $filename || die "unable to read $filename: $!\n";
3248 return sub {
3249 my $saved_line = "";
3250 $_ = "";
3251 while (<$fh>) {
04f171c0 3252 s|\R$||;
9fe2bb77
RL		 3253 if (defined $line_concat) {
3254 $_ = $line_concat->($saved_line, $_);
3255 $saved_line = "";
3256 }
3257 if (defined $line_concat_cond_re && /$line_concat_cond_re/) {
3258 $saved_line = $_;
3259 next;
3260 }
3261 return $_;
3262 }
3263 die "$filename ending with continuation line\n" if $_;
3264 close $fh;
3265 return undef;
3266 }
3267}
3268
3269# collect_from_array($array, $line_concat_cond_re, $line_concat)
3270# $array is an ARRAYref of lines
3271# $line_concat_cond_re is a regexp detecting a line continuation ending
3272# $line_concat is a CODEref that takes care of concatenating two lines
3273sub collect_from_array {
3274 my $array = shift;
3275 my $line_concat_cond_re = shift;
3276 my $line_concat = shift;
3277 my @array = (@$array);
3278
3279 return sub {
3280 my $saved_line = "";
3281 $_ = "";
3282 while (defined($_ = shift @array)) {
04f171c0 3283 s|\R$||;
9fe2bb77
RL		 3284 if (defined $line_concat) {
3285 $_ = $line_concat->($saved_line, $_);
3286 $saved_line = "";
3287 }
3288 if (defined $line_concat_cond_re && /$line_concat_cond_re/) {
3289 $saved_line = $_;
3290 next;
3291 }
3292 return $_;
3293 }
3294 die "input text ending with continuation line\n" if $_;
3295 return undef;
3296 }
3297}
3298
3299# collect_information($lineiterator, $line_continue, $regexp => $CODEref, ...)
3300# $lineiterator is a CODEref that delivers one line at a time.
107b5792
RL		 3301# All following arguments are regex/CODEref pairs, where the regexp detects a
3302# line and the CODEref does something with the result of the regexp.
3303sub collect_information {
9fe2bb77 3304 my $lineiterator = shift;
107b5792
RL		 3305 my %collectors = @_;
3306
9fe2bb77 3307 while(defined($_ = $lineiterator->())) {
04f171c0 3308 s|\R$||;
9fe2bb77 3309 my $found = 0;
2b6b606c
RL		 3310 if ($collectors{"BEFORE"}) {
3311 $collectors{"BEFORE"}->($_);
3312 }
9fe2bb77 3313 foreach my $re (keys %collectors) {
2b6b606c 3314 if ($re !~ /^OTHERWISE|BEFORE|AFTER$/ && /$re/) {
9fe2bb77
RL		 3315 $collectors{$re}->($lineiterator);
3316 $found = 1;
3317 };
3318 }
3319 if ($collectors{"OTHERWISE"}) {
3320 $collectors{"OTHERWISE"}->($lineiterator, $_)
3321 unless $found || !defined $collectors{"OTHERWISE"};
3322 }
2b6b606c
RL		 3323 if ($collectors{"AFTER"}) {
3324 $collectors{"AFTER"}->($_);
3325 }
107b5792 3326 }
107b5792 3327}
ce959812
RL		 3328
3329# tokenize($line)
5d3af259 3330# tokenize($line,$separator)
ce959812 3331# $line is a line of text to split up into tokens
5d3af259
RL		 3332# $separator [optional] is a regular expression that separates the tokens,
3333# the default being spaces. Do not use quotes of any kind as separators,
3334# that will give undefined results.
3335# Returns a list of tokens.
ce959812 3336#
5d3af259
RL		 3337# Tokens are divided by separator (spaces by default). If the tokens include
3338# the separators, they have to be quoted with single or double quotes.
3339# Double quotes inside a double quoted token must be escaped. Escaping is done
ce959812
RL		 3340# with backslash.
3341# Basically, the same quoting rules apply for " and ' as in any
3342# Unix shell.
3343sub tokenize {
3344 my $line = my $debug_line = shift;
5d3af259 3345 my $separator = shift // qr|\s+|;
ce959812
RL		 3346 my @result = ();
3347
5d3af259
RL		 3348 if ($ENV{CONFIGURE_DEBUG_TOKENIZE}) {
3349 print STDERR "DEBUG[tokenize]: \$separator = $separator\n";
3350 }
3351
3352 while ($line =~ s|^${separator}||, $line ne "") {
ce959812 3353 my $token = "";
5d3af259
RL		 3354 again:
3355 $line =~ m/^(.*?)(${separator}|"|'|$)/;
3356 $token .= $1;
3357 $line = $2.$';
3358
3359 if ($line =~ m/^"((?:[^"\\]+|\\.)*)"/) {
3360 $token .= $1;
3361 $line = $';
3362 goto again;
3363 } elsif ($line =~ m/^'([^']*)'/) {
3364 $token .= $1;
3365 $line = $';
3366 goto again;
ce959812
RL		 3367 }
3368 push @result, $token;
3369 }
3370
3371 if ($ENV{CONFIGURE_DEBUG_TOKENIZE}) {
5d3af259
RL		 3372 print STDERR "DEBUG[tokenize]: Parsed '$debug_line' into:\n";
3373 print STDERR "DEBUG[tokenize]: ('", join("', '", @result), "')\n";
ce959812
RL		 3374 }
3375 return @result;
3376}
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