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Use fewer primes for the trial division
[thirdparty/openssl.git] / Configure
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de17db91 1#! /usr/bin/env perl
f4d8f037 2# -*- mode: perl; -*-
48e5119a 3# Copyright 2016-2018 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;
1641cb60 23
22a4f969 24# see INSTALL for instructions.
462ba4f6 25
8937a4ed
RL		 26my $orig_death_handler = $SIG{__DIE__};
27$SIG{__DIE__} = \&death_handler;
28
31b6ed76 29my $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 30
434c5dd3 31# Options:
e5f3045f 32#
f09e7ca9
RS		 33# --config add the given configuration file, which will be read after
34# any "Configurations*" files that are found in the same
35# directory as this script.
d74dfafd
RL		 36# --prefix prefix for the OpenSSL installation, which includes the
37# directories bin, lib, include, share/man, share/doc/openssl
38# This becomes the value of INSTALLTOP in Makefile
39# (Default: /usr/local)
40# --openssldir OpenSSL data area, such as openssl.cnf, certificates and keys.
41# If it's a relative directory, it will be added on the directory
42# given with --prefix.
43# This becomes the value of OPENSSLDIR in Makefile and in C.
44# (Default: PREFIX/ssl)
e5f3045f 45#
cbfb39d1
AP		 46# --cross-compile-prefix Add specified prefix to binutils components.
47#
fcd2d5a6
RL		 48# --api One of 0.9.8, 1.0.0, 1.0.1, 1.0.2, 1.1.0, 1.1.1, or 3.0.0 / 3.
49# Do not compile support for interfaces deprecated as of the
50# specified OpenSSL version.
98186eb4 51#
5270e702
RL		 52# no-hw-xxx do not compile support for specific crypto hardware.
53# Generic OpenSSL-style methods relating to this support
54# are always compiled but return NULL if the hardware
55# support isn't compiled.
56# no-hw do not compile support for any crypto hardware.
5f8d5c96
BM		 57# [no-]threads [don't] try to create a library that is suitable for
58# multithreaded applications (default is "threads" if we
59# know how to do it)
84f32c84 60# [no-]shared [don't] try to create shared libraries when supported.
ae48242c 61# [no-]pic [don't] try to build position independent code when supported.
45b71abe 62# If disabled, it also disables shared and dynamic-engine.
a723979d 63# no-asm do not use assembler
0423f812 64# no-egd do not compile support for the entropy-gathering daemon APIs
e452de9d 65# [no-]zlib [don't] compile support for zlib compression.
84f32c84
DMSP		 66# zlib-dynamic Like "zlib", but the zlib library is expected to be a shared
67# library and will be loaded in run-time by the OpenSSL library.
7e159e01 68# sctp include SCTP support
5ded1ca6 69# no-uplink Don't build support for UPLINK interface.
8b1a5af3 70# enable-weak-ssl-ciphers
edcdf38b 71# Enable weak ciphers that are disabled by default.
5ae5dc96
AP		 72# 386 generate 80386 code in assembly modules
73# no-sse2 disables IA-32 SSE2 code in assembly modules, the above
74# mentioned '386' option implies this one
79df9d62 75# no-<cipher> build without specified algorithm (rsa, idea, rc5, ...)
f246f54f
DMSP		 76# -<xxx> +<xxx> All options which are unknown to the 'Configure' script are
77# /<xxx> passed through to the compiler. Unix-style options beginning
78# with a '-' or '+' are recognized, as well as Windows-style
79# options beginning with a '/'. If the option contains arguments
80# separated by spaces, then the URL-style notation %20 can be
81# used for the space character in order to avoid having to quote
82# the option. For example, -opt%20arg gets expanded to -opt arg.
83# In fact, any ASCII character can be encoded as %xx using its
84# hexadecimal encoding.
047d97af
AP		 85# -static while -static is also a pass-through compiler option (and
86# as such is limited to environments where it's actually
87# meaningful), it triggers a number configuration options,
31b6ed76 88# namely no-pic, no-shared and no-threads. It is
047d97af
AP		 89# argued that the only reason to produce statically linked
90# binaries (and in context it means executables linked with
91# -static flag, and not just executables linked with static
92# libcrypto.a) is to eliminate dependency on specific run-time,
93# a.k.a. libc version. The mentioned config options are meant
94# to achieve just that. Unfortunately on Linux it's impossible
95# to eliminate the dependency completely for openssl executable
96# because of getaddrinfo and gethostbyname calls, which can
97# invoke dynamically loadable library facility anyway to meet
98# the lookup requests. For this reason on Linux statically
99# linked openssl executable has rather debugging value than
100# production quality.
e41c8d6a 101#
84f32c84
DMSP		 102# BN_LLONG use the type 'long long' in crypto/bn/bn.h
103# RC4_CHAR use 'char' instead of 'int' for RC4_INT in crypto/rc4/rc4.h
d0590fe6
AP		 104# Following are set automatically by this script
105#
84f32c84
DMSP		 106# MD5_ASM use some extra md5 assembler,
107# SHA1_ASM use some extra sha1 assembler, must define L_ENDIAN for x86
108# RMD160_ASM use some extra ripemd160 assembler,
109# SHA256_ASM sha256_block is implemented in assembler
110# SHA512_ASM sha512_block is implemented in assembler
111# AES_ASM AES_[en|de]crypt is implemented in assembler
d02b48c6 112
3b437400
RL		 113# Minimum warning options... any contributions to OpenSSL should at least
114# get past these. Note that we only use these with C compilers, not with
115# C++ compilers.
363bd0b4 116
463a7b8c 117# DEBUG_UNUSED enables __owur (warn unused result) checks.
77305338
RS		 118# -DPEDANTIC complements -pedantic and is meant to mask code that
119# is not strictly standard-compliant and/or implementation-specific,
120# e.g. inline assembly, disregards to alignment requirements, such
121# that -pedantic would complain about. Incidentally -DPEDANTIC has
122# to be used even in sanitized builds, because sanitizer too is
123# supposed to and does take notice of non-standard behaviour. Then
124# -pedantic with pre-C9x compiler would also complain about 'long
125# long' not being supported. As 64-bit algorithms are common now,
126# it grew impossible to resolve this without sizeable additional
127# code, so we just tell compiler to be pedantic about everything
128# but 'long long' type.
129
3b437400
RL		 130my @gcc_devteam_warn = qw(
131 -DDEBUG_UNUSED
132 -DPEDANTIC -pedantic -Wno-long-long
133 -Wall
134 -Wextra
135 -Wno-unused-parameter
136 -Wno-missing-field-initializers
137 -Wswitch
138 -Wsign-compare
139 -Wshadow
140 -Wformat
141 -Wtype-limits
142 -Wundef
143 -Werror
144 -Wmissing-prototypes
145 -Wstrict-prototypes
146);
363bd0b4 147
190c8c60
BL		 148# These are used in addition to $gcc_devteam_warn when the compiler is clang.
149# TODO(openssl-team): fix problems and investigate if (at least) the
480405e4 150# following warnings can also be enabled:
8bccbce5 151# -Wcast-align
77305338 152# -Wunreachable-code -- no, too ugly/compiler-specific
a773b52a
RS		 153# -Wlanguage-extension-token -- no, we use asm()
154# -Wunused-macros -- no, too tricky for BN and _XOPEN_SOURCE etc
155# -Wextended-offsetof -- no, needed in CMS ASN1 code
3b437400 156my @clang_devteam_warn = qw(
03e56683 157 -Wno-unknown-warning-option
3b437400
RL		 158 -Wswitch-default
159 -Wno-parentheses-equality
160 -Wno-language-extension-token
161 -Wno-extended-offsetof
162 -Wconditional-uninitialized
163 -Wincompatible-pointer-types-discards-qualifiers
3b437400
RL		 164 -Wmissing-variable-declarations
165);
cb2bc054 166
ef8ca6bd
RL		 167# This adds backtrace information to the memory leak info. Is only used
168# when crypto-mdebug-backtrace is enabled.
169my $memleak_devteam_backtrace = "-rdynamic";
a1d3f3d1 170
0c28f277
DSH		 171my $strict_warnings = 0;
172
b7efa56a 173# As for $BSDthreads. Idea is to maintain "collective" set of flags,
fce0ba5f 174# which would cover all BSD flavors. -pthread applies to them all,
b7efa56a
AP		 175# but is treated differently. OpenBSD expands is as -D_POSIX_THREAD
176# -lc_r, which is sufficient. FreeBSD 4.x expands it as -lc_r,
177# which has to be accompanied by explicit -D_THREAD_SAFE and
178# sometimes -D_REENTRANT. FreeBSD 5.x expands it as -lc_r, which
179# seems to be sufficient?
9c62a279 180our $BSDthreads="-pthread -D_THREAD_SAFE -D_REENTRANT";
d02b48c6 181
98186eb4 182#
f430ba31 183# API compatibility name to version number mapping.
98186eb4 184#
db2f2d49 185my $maxapi = "3.0.0"; # API for "no-deprecated" builds
98186eb4 186my $apitable = {
fcd2d5a6
RL		 187 "3.0.0" => 3,
188 "1.1.1" => 2,
189 "1.1.0" => 2,
190 "1.0.2" => 1,
191 "1.0.1" => 1,
192 "1.0.0" => 1,
193 "0.9.8" => 0,
98186eb4
VD		 194};
195
9e0724a1 196our %table = ();
291e94df 197our %config = ();
98fdbce0 198our %withargs = ();
f770d75b
AP		 199our $now_printing; # set to current entry's name in print_table_entry
200 # (todo: right thing would be to encapsulate name
201 # into %target [class] and make print_table_entry
202 # a method)
3e83e686 203
bd5192b1 204# Forward declarations ###############################################
7ead0c89 205
bd5192b1
RL		 206# read_config(filename)
207#
208# Reads a configuration file and populates %table with the contents
209# (which the configuration file places in %targets).
210sub read_config;
7d46b942 211
bd5192b1
RL		 212# resolve_config(target)
213#
8483a003 214# Resolves all the late evaluations, inheritances and so on for the
bd5192b1
RL		 215# chosen target and any target it inherits from.
216sub resolve_config;
7d46b942 217
15c7adb0 218
107b5792
RL		 219# Information collection #############################################
220
9fe2bb77 221# Unified build supports separate build dir
ec182ef0
RL		 222my $srcdir = catdir(absolutedir(dirname($0))); # catdir ensures local syntax
223my $blddir = catdir(absolutedir(".")); # catdir ensures local syntax
9fe2bb77
RL		 224my $dofile = abs2rel(catfile($srcdir, "util/dofile.pl"));
225
b5293d4c
RL		 226my $local_config_envname = 'OPENSSL_LOCAL_CONFIG_DIR';
227
9fe2bb77
RL		 228$config{sourcedir} = abs2rel($srcdir);
229$config{builddir} = abs2rel($blddir);
230
ee4cdb7f
RL		 231# Collect reconfiguration information if needed
232my @argvcopy=@ARGV;
233
234if (grep /^reconf(igure)?$/, @argvcopy) {
99aeeecb
RL		 235 die "reconfiguring with other arguments present isn't supported"
236 if scalar @argvcopy > 1;
ee4cdb7f 237 if (-f "./configdata.pm") {
84f32c84
DMSP		 238 my $file = "./configdata.pm";
239 unless (my $return = do $file) {
240 die "couldn't parse $file: $@" if $@;
ee4cdb7f
RL		 241 die "couldn't do $file: $!" unless defined $return;
242 die "couldn't run $file" unless $return;
84f32c84 243 }
ee4cdb7f 244
84f32c84
DMSP		 245 @argvcopy = defined($configdata::config{perlargv}) ?
246 @{$configdata::config{perlargv}} : ();
247 die "Incorrect data to reconfigure, please do a normal configuration\n"
248 if (grep(/^reconf/,@argvcopy));
249 $config{perlenv} = $configdata::config{perlenv} // {};
ee4cdb7f 250 } else {
84f32c84 251 die "Insufficient data to reconfigure, please do a normal configuration\n";
ee4cdb7f
RL		 252 }
253}
254
255$config{perlargv} = [ @argvcopy ];
256
107b5792 257# Collect version numbers
3a63dbef
RL		 258$config{major} = "unknown";
259$config{minor} = "unknown";
260$config{patch} = "unknown";
261$config{prerelease} = "";
262$config{build_metadata} = "";
263$config{shlib_version} = "unknown";
107b5792
RL		 264
265collect_information(
9fe2bb77 266 collect_from_file(catfile($srcdir,'include/openssl/opensslv.h')),
3a63dbef
RL		 267 qr/#\s+define\s+OPENSSL_VERSION_MAJOR\s+(\d+)/ =>
268 sub { $config{major} = $1; },
269 qr/#\s+define\s+OPENSSL_VERSION_MINOR\s+(\d+)/ =>
270 sub { $config{minor} = $1; },
271 qr/#\s+define\s+OPENSSL_VERSION_PATCH\s+(\d+)/ =>
272 sub { $config{patch} = $1; },
273 qr/#\s+define\s+OPENSSL_VERSION_PRE_RELEASE\s+"((?:\\.|[^"])*)"/ =>
274 sub { $config{prerelease} = $1; },
275 qr/#\s+define\s+OPENSSL_VERSION_BUILD_METADATA\s+"((?:\\.|[^"])*)"/ =>
276 sub { $config{build_metadata} = $1; },
277 qr/#\s+define\s+OPENSSL_SHLIB_VERSION\s+([\d\.]+)/ =>
278 sub { $config{shlib_version} = $1; },
107b5792 279 );
107b5792 280die "erroneous version information in opensslv.h: ",
3a63dbef
RL		 281 "$config{major}.$config{minor}.$config{patch}, $config{shlib_version}\n"
282 if ($config{major} eq "unknown"
283 || $config{minor} eq "unknown"
284 || $config{patch} eq "unknown"
285 || $config{shlib_version} eq "unknown");
107b5792 286
16942e08
DMSP		 287$config{version} = "$config{major}.$config{minor}.$config{patch}";
288$config{full_version} = "$config{version}$config{prerelease}$config{build_metadata}";
289
107b5792
RL		 290# Collect target configurations
291
85152ca4 292my $pattern = catfile(dirname($0), "Configurations", "*.conf");
97855556 293foreach (sort glob($pattern)) {
f09e7ca9
RS		 294 &read_config($_);
295}
d02b48c6 296
7ecdf18d 297if (defined env($local_config_envname)) {
b5293d4c
RL		 298 if ($^O eq 'VMS') {
299 # VMS environment variables are logical names,
300 # which can be used as is
301 $pattern = $local_config_envname . ':' . '*.conf';
302 } else {
7ecdf18d 303 $pattern = catfile(env($local_config_envname), '*.conf');
b5293d4c
RL		 304 }
305
97855556 306 foreach (sort glob($pattern)) {
b5293d4c
RL		 307 &read_config($_);
308 }
309}
310
d5fa7035
RL		 311# Save away perl command information
312$config{perl_cmd} = $^X;
313$config{perl_version} = $Config{version};
314$config{perl_archname} = $Config{archname};
315
291e94df
RL		 316$config{prefix}="";
317$config{openssldir}="";
7d130f68 318$config{processor}="";
107b5792 319$config{libdir}="";
9c62a279 320my $auto_threads=1; # enable threads automatically? true by default
0396479d 321my $default_ranlib;
107b5792 322
6b01bed2 323# Known TLS and DTLS protocols
84a68336 324my @tls = qw(ssl3 tls1 tls1_1 tls1_2 tls1_3);
6b01bed2
VD		 325my @dtls = qw(dtls1 dtls1_2);
326
8483a003 327# Explicitly known options that are possible to disable. They can
8b527be2
RL		 328# be regexps, and will be used like this: /^no-${option}$/
329# For developers: keep it sorted alphabetically
330
331my @disablables = (
69495e3d 332 "ktls",
c91a0a83 333 "afalgeng",
d42d0a4d 334 "aria",
c38bb727 335 "asan",
8b527be2 336 "asm",
52739e40 337 "async",
b184e3ef 338 "autoalginit",
498abff0 339 "autoerrinit",
dbabc862 340 "autoload-config",
8b527be2 341 "bf",
2d0b4412 342 "blake2",
ac4033d6 343 "buildtest-c++",
8b527be2
RL		 344 "camellia",
345 "capieng",
346 "cast",
48f14845 347 "chacha",
8b527be2 348 "cmac",
538f38db 349 "cmp",
8b527be2
RL		 350 "cms",
351 "comp",
3e45d393 352 "crypto-mdebug",
ef8ca6bd 353 "crypto-mdebug-backtrace",
8b527be2
RL		 354 "ct",
355 "deprecated",
356 "des",
619eb33a 357 "devcryptoeng",
8b527be2
RL		 358 "dgram",
359 "dh",
360 "dsa",
3b2f8c77 361 "dso",
a5ecdc6a 362 "dtls",
343ec2b0 363 "dynamic-engine",
8b527be2
RL		 364 "ec",
365 "ec2m",
6b01bed2
VD		 366 "ecdh",
367 "ecdsa",
8b527be2 368 "ec_nistp_64_gcc_128",
b31feae6 369 "egd",
8b527be2 370 "engine",
1288f26f 371 "err",
ce2596d4 372 "external-tests",
02f7114a 373 "filenames",
e7545517 374 "fips",
f59d0131
KR		 375 "fuzz-libfuzzer",
376 "fuzz-afl",
168c3b73 377 "gost",
8b527be2 378 "idea",
d0308923 379 "legacy",
09aa263a 380 "makedepend",
8b527be2
RL		 381 "md2",
382 "md4",
8b527be2 383 "mdc2",
34786bde 384 "module",
29df3061 385 "msan",
fa22f98f 386 "multiblock",
8b527be2 387 "nextprotoneg",
41999e7d 388 "pinshared",
8b527be2
RL		 389 "ocb",
390 "ocsp",
469ce8ff 391 "padlockeng",
ae48242c 392 "pic",
48f14845 393 "poly1305",
8b527be2
RL		 394 "posix-io",
395 "psk",
396 "rc2",
397 "rc4",
398 "rc5",
399 "rdrand",
400 "rfc3779",
8b527be2 401 "rmd160",
8b527be2 402 "scrypt",
8b527be2
RL		 403 "sctp",
404 "seed",
8b527be2 405 "shared",
3f5616d7 406 "siphash",
b1ceb439 407 "siv",
1bf2cc23 408 "sm2",
a0c3e4fa 409 "sm3",
f19a5ff9 410 "sm4",
8b527be2
RL		 411 "sock",
412 "srp",
413 "srtp",
414 "sse2",
415 "ssl",
8b527be2
RL		 416 "ssl-trace",
417 "static-engine",
418 "stdio",
93880ce1 419 "tests",
8b527be2
RL		 420 "threads",
421 "tls",
16a9d374 422 "trace",
1288f26f 423 "ts",
c38bb727 424 "ubsan",
48feaceb 425 "ui-console",
8b527be2 426 "unit-test",
5ded1ca6 427 "uplink",
8b527be2 428 "whirlpool",
8b1a5af3 429 "weak-ssl-ciphers",
8b527be2
RL		 430 "zlib",
431 "zlib-dynamic",
432 );
6b01bed2 433foreach my $proto ((@tls, @dtls))
84f32c84
DMSP		 434 {
435 push(@disablables, $proto);
436 push(@disablables, "$proto-method") unless $proto eq "tls1_3";
437 }
8b527be2 438
538f38db
RL		 439# Internal disablables, for aliasing purposes. They serve no special
440# purpose here, but allow scripts to get to know them through configdata.pm,
441# where these are merged with @disablables.
442# The actual aliasing mechanism is done via %disable_cascades
443my @disablables_int = qw(
444 crmf
445 );
446
2b1343b9
MC		 447my %deprecated_disablables = (
448 "ssl2" => undef,
449 "buf-freelists" => undef,
469ce8ff
RL		 450 "hw" => "hw", # causes cascade, but no macro
451 "hw-padlock" => "padlockeng",
48feaceb
RL		 452 "ripemd" => "rmd160",
453 "ui" => "ui-console",
0b45d8ee 454 "heartbeats" => undef,
e80381e1
RL		 455 );
456
094925de 457# All of the following are disabled by default:
c9a112f5 458
9e04edf2 459our %disabled = ( # "what" => "comment"
84f32c84
DMSP		 460 "asan" => "default",
461 "buildtest-c++" => "default",
462 "crypto-mdebug" => "default",
463 "crypto-mdebug-backtrace" => "default",
464 "devcryptoeng" => "default",
465 "ec_nistp_64_gcc_128" => "default",
466 "egd" => "default",
467 "external-tests" => "default",
468 "fuzz-libfuzzer" => "default",
469 "fuzz-afl" => "default",
84f32c84 470 "md2" => "default",
29df3061 471 "msan" => "default",
84f32c84
DMSP		 472 "rc5" => "default",
473 "sctp" => "default",
474 "ssl-trace" => "default",
475 "ssl3" => "default",
476 "ssl3-method" => "default",
477 "trace" => "default",
478 "ubsan" => "default",
479 "unit-test" => "default",
480 "weak-ssl-ciphers" => "default",
481 "zlib" => "default",
482 "zlib-dynamic" => "default",
483 "ktls" => "default",
484 );
c9a112f5 485
c569e206
RL		 486# Note: => pair form used for aesthetics, not to truly make a hash table
487my @disable_cascades = (
84f32c84 488 # "what" => [ "cascade", ... ]
7d130f68 489 sub { $config{processor} eq "386" }
84f32c84
DMSP		 490 => [ "sse2" ],
491 "ssl" => [ "ssl3" ],
492 "ssl3-method" => [ "ssl3" ],
493 "zlib" => [ "zlib-dynamic" ],
494 "des" => [ "mdc2" ],
dbc6268f 495 "ec" => [ "ecdsa", "ecdh", "sm2" ],
65dc5c3c
MC		 496 sub { $disabled{"ec"} && $disabled{"dh"} }
497 => [ "tls1_3" ],
84f32c84
DMSP		 498 "dgram" => [ "dtls", "sctp" ],
499 "sock" => [ "dgram" ],
500 "dtls" => [ @dtls ],
343a7467 501 sub { 0 == scalar grep { !$disabled{$_} } @dtls }
84f32c84 502 => [ "dtls" ],
c569e206 503
84f32c84 504 "tls" => [ @tls ],
343a7467 505 sub { 0 == scalar grep { !$disabled{$_} } @tls }
84f32c84 506 => [ "tls" ],
c569e206 507
ef8ca6bd 508 "crypto-mdebug" => [ "crypto-mdebug-backtrace" ],
343ec2b0 509
34786bde
RL		 510 # If no modules, then no dynamic engines either
511 "module" => [ "dynamic-engine" ],
512
513 # Without shared libraries, dynamic engines aren't possible.
514 # This is due to them having to link with libcrypto and register features
515 # using the ENGINE functionality, and since that relies on global tables,
516 # those *have* to be exacty the same as the ones accessed from the app,
517 # which cannot be guaranteed if shared libraries aren't present.
518 # (note that even with shared libraries, both the app and dynamic engines
519 # must be linked with the same library)
5ded1ca6 520 "shared" => [ "dynamic-engine", "uplink" ],
3b2f8c77 521 "dso" => [ "dynamic-engine", "module" ],
34786bde
RL		 522 # Other modules don't necessarily have to link with libcrypto, so shared
523 # libraries do not have to be a condition to produce those.
524
525 # Without position independent code, there can be no shared libraries
526 # or modules.
527 "pic" => [ "shared", "module" ],
469ce8ff 528
318e074e 529 "module" => [ "fips" ],
e7545517 530
469ce8ff
RL		 531 "engine" => [ grep /eng$/, @disablables ],
532 "hw" => [ "padlockeng" ],
d90a6beb
MC		 533
534 # no-autoalginit is only useful when building non-shared
535 "autoalginit" => [ "shared", "apps" ],
536
15a1bd0a 537 "stdio" => [ "apps", "capieng", "egd" ],
d90a6beb 538 "apps" => [ "tests" ],
302eba3f 539 "tests" => [ "external-tests" ],
3cf96e88 540 "comp" => [ "zlib" ],
98020023 541 "sm3" => [ "sm2" ],
b612799a 542 sub { !$disabled{"unit-test"} } => [ "heartbeats" ],
29df3061
EK		 543
544 sub { !$disabled{"msan"} } => [ "asm" ],
b1ceb439
TS		 545
546 sub { $disabled{cmac}; } => [ "siv" ],
d0308923 547 "legacy" => [ "md2" ],
538f38db
RL		 548
549 "cmp" => [ "crmf" ],
c569e206
RL		 550 );
551
552# Avoid protocol support holes. Also disable all versions below N, if version
553# N is disabled while N+1 is enabled.
554#
555my @list = (reverse @tls);
556while ((my $first, my $second) = (shift @list, shift @list)) {
557 last unless @list;
558 push @disable_cascades, ( sub { !$disabled{$first} && $disabled{$second} }
84f32c84 559 => [ @list ] );
c569e206
RL		 560 unshift @list, $second;
561}
562my @list = (reverse @dtls);
563while ((my $first, my $second) = (shift @list, shift @list)) {
564 last unless @list;
565 push @disable_cascades, ( sub { !$disabled{$first} && $disabled{$second} }
84f32c84 566 => [ @list ] );
c569e206
RL		 567 unshift @list, $second;
568}
569
7a762197 570# Explicit "no-..." options will be collected in %disabled along with the defaults.
e4ef2e25 571# To remove something from %disabled, use "enable-foo".
7a762197
BM		 572# For symmetry, "disable-foo" is a synonym for "no-foo".
573
462ba4f6 574&usage if ($#ARGV < 0);
d02b48c6 575
5b18235a
RL		 576# For the "make variables" CINCLUDES and CDEFINES, we support lists with
577# platform specific list separators. Users from those platforms should
578# recognise those separators from how you set up the PATH to find executables.
579# The default is the Unix like separator, :, but as an exception, we also
580# support the space as separator.
581my $list_separator_re =
582 { VMS => qr/(?<!\^),/,
583 MSWin32 => qr/(?<!\\);/ } -> {$^O} // qr/(?<!\\)[:\s]/;
584# All the "make variables" we support
f5846179
RL		 585# Some get pre-populated for the sake of backward compatibility
586# (we supported those before the change to "make variable" support.
5b18235a 587my %user = (
f5846179 588 AR => env('AR'),
5b18235a
RL		 589 ARFLAGS => [],
590 AS => undef,
591 ASFLAGS => [],
f5846179 592 CC => env('CC'),
8e7984e5 593 CFLAGS => [ env('CFLAGS') || () ],
f5846179 594 CXX => env('CXX'),
8e7984e5 595 CXXFLAGS => [ env('CXXFLAGS') || () ],
5b18235a 596 CPP => undef,
8e7984e5 597 CPPFLAGS => [ env('CPPFLAGS') || () ], # -D, -I, -Wp,
5b18235a
RL		 598 CPPDEFINES => [], # Alternative for -D
599 CPPINCLUDES => [], # Alternative for -I
f5846179
RL		 600 CROSS_COMPILE => env('CROSS_COMPILE'),
601 HASHBANGPERL=> env('HASHBANGPERL') || env('PERL'),
5b18235a 602 LD => undef,
8e7984e5
RL		 603 LDFLAGS => [ env('LDFLAGS') || () ], # -L, -Wl,
604 LDLIBS => [ env('LDLIBS') || () ], # -l
5b18235a
RL		 605 MT => undef,
606 MTFLAGS => [],
9e265322 607 PERL => env('PERL') || ($^O ne "VMS" ? $^X : "perl"),
f5846179
RL		 608 RANLIB => env('RANLIB'),
609 RC => env('RC') || env('WINDRES'),
0c4e984d 610 RCFLAGS => [ env('RCFLAGS') || () ],
5b18235a
RL		 611 RM => undef,
612 );
f729ba55
RL		 613# Info about what "make variables" may be prefixed with the cross compiler
614# prefix. This should NEVER mention any such variable with a list for value.
615my @user_crossable = qw ( AR AS CC CXX CPP LD MT RANLIB RC );
5b18235a
RL		 616# The same but for flags given as Configure options. These are *additional*
617# input, as opposed to the VAR=string option that override the corresponding
618# config target attributes
619my %useradd = (
620 CPPDEFINES => [],
621 CPPINCLUDES => [],
622 CPPFLAGS => [],
623 CFLAGS => [],
624 CXXFLAGS => [],
625 LDFLAGS => [],
626 LDLIBS => [],
0c4e984d 627 RCFLAGS => [],
5b18235a
RL		 628 );
629
630my %user_synonyms = (
631 HASHBANGPERL=> 'PERL',
632 RC => 'WINDRES',
633 );
abe256e7
RL		 634
635# Some target attributes have been renamed, this is the translation table
636my %target_attr_translate =(
637 ar => 'AR',
638 as => 'AS',
639 cc => 'CC',
640 cxx => 'CXX',
641 cpp => 'CPP',
642 hashbangperl => 'HASHBANGPERL',
643 ld => 'LD',
644 mt => 'MT',
645 ranlib => 'RANLIB',
646 rc => 'RC',
647 rm => 'RM',
5b18235a 648 );
5b18235a 649
2ab92ae9 650# Initialisers coming from 'config' scripts
ff455d99
AP		 651$config{defines} = [ split(/$list_separator_re/, env('__CNF_CPPDEFINES')) ];
652$config{includes} = [ split(/$list_separator_re/, env('__CNF_CPPINCLUDES')) ];
653$config{cppflags} = [ env('__CNF_CPPFLAGS') || () ];
654$config{cflags} = [ env('__CNF_CFLAGS') || () ];
655$config{cxxflags} = [ env('__CNF_CXXFLAGS') || () ];
656$config{lflags} = [ env('__CNF_LDFLAGS') || () ];
657$config{ex_libs} = [ env('__CNF_LDLIBS') || () ];
2ab92ae9 658
7d130f68 659$config{openssl_api_defines}=[];
7d130f68 660$config{openssl_sys_defines}=[];
e0bf7c01 661$config{openssl_feature_defines}=[];
3fa04f0d 662$config{options}="";
8864f0de 663$config{build_type} = "release";
5b18235a 664my $target="";
c59cb511 665
ac6ae8a9 666my %cmdvars = (); # Stores FOO='blah' type arguments
fe05264e 667my %unsupported_options = ();
e80381e1 668my %deprecated_options = ();
8389ec4b
RS		 669# If you change this, update apps/version.c
670my @known_seed_sources = qw(getrandom devrandom os egd none rdcpu librandom);
671my @seed_sources = ();
fad599f7 672while (@argvcopy)
84f32c84
DMSP		 673 {
674 $_ = shift @argvcopy;
675
676 # Support env variable assignments among the options
677 if (m|^(\w+)=(.+)?$|)
678 {
679 $cmdvars{$1} = $2;
680 # Every time a variable is given as a configuration argument,
681 # it acts as a reset if the variable.
682 if (exists $user{$1})
683 {
684 $user{$1} = ref $user{$1} eq "ARRAY" ? [] : undef;
685 }
686 #if (exists $useradd{$1})
687 # {
688 # $useradd{$1} = [];
689 # }
690 next;
691 }
692
693 # VMS is a case insensitive environment, and depending on settings
694 # out of our control, we may receive options uppercased. Let's
695 # downcase at least the part before any equal sign.
696 if ($^O eq "VMS")
697 {
698 s/^([^=]*)/lc($1)/e;
699 }
700
701 # some people just can't read the instructions, clang people have to...
702 s/^-no-(?!integrated-as)/no-/;
703
704 # rewrite some options in "enable-..." form
705 s /^-?-?shared$/enable-shared/;
706 s /^sctp$/enable-sctp/;
707 s /^threads$/enable-threads/;
708 s /^zlib$/enable-zlib/;
709 s /^zlib-dynamic$/enable-zlib-dynamic/;
c9a112f5 710
e4ef2e25 711 if (/^(no|disable|enable)-(.+)$/)
2b1343b9
MC		 712 {
713 my $word = $2;
469ce8ff
RL		 714 if ($word !~ m|hw(?:-.+)| # special treatment for hw regexp opt
715 && !exists $deprecated_disablables{$word}
716 && !grep { $word eq $_ } @disablables)
2b1343b9
MC		 717 {
718 $unsupported_options{$_} = 1;
719 next;
720 }
721 }
722 if (/^no-(.+)$/ || /^disable-(.+)$/)
723 {
e4ef2e25
RS		 724 foreach my $proto ((@tls, @dtls))
725 {
726 if ($1 eq "$proto-method")
727 {
728 $disabled{"$proto"} = "option($proto-method)";
729 last;
730 }
731 }
732 if ($1 eq "dtls")
733 {
734 foreach my $proto (@dtls)
735 {
736 $disabled{$proto} = "option(dtls)";
737 }
c5c7700c 738 $disabled{"dtls"} = "option(dtls)";
e4ef2e25
RS		 739 }
740 elsif ($1 eq "ssl")
741 {
742 # Last one of its kind
743 $disabled{"ssl3"} = "option(ssl)";
744 }
745 elsif ($1 eq "tls")
746 {
747 # XXX: Tests will fail if all SSL/TLS
748 # protocols are disabled.
749 foreach my $proto (@tls)
750 {
751 $disabled{$proto} = "option(tls)";
752 }
753 }
343ec2b0
RL		 754 elsif ($1 eq "static-engine")
755 {
19ab5790 756 delete $disabled{"dynamic-engine"};
343ec2b0
RL		 757 }
758 elsif ($1 eq "dynamic-engine")
759 {
19ab5790 760 $disabled{"dynamic-engine"} = "option";
343ec2b0 761 }
2b1343b9
MC		 762 elsif (exists $deprecated_disablables{$1})
763 {
764 $deprecated_options{$_} = 1;
765 if (defined $deprecated_disablables{$1})
766 {
767 $disabled{$deprecated_disablables{$1}} = "option";
768 }
769 }
469ce8ff
RL		 770 elsif ($1 =~ m|hw(?:-.+)|) # deprecate hw options in regexp form
771 {
772 $deprecated_options{$_} = 1;
773 }
e4ef2e25
RS		 774 else
775 {
776 $disabled{$1} = "option";
777 }
84f32c84
DMSP		 778 # No longer an automatic choice
779 $auto_threads = 0 if ($1 eq "threads");
780 }
781 elsif (/^enable-(.+)$/)
782 {
343ec2b0
RL		 783 if ($1 eq "static-engine")
784 {
19ab5790 785 $disabled{"dynamic-engine"} = "option";
343ec2b0
RL		 786 }
787 elsif ($1 eq "dynamic-engine")
788 {
19ab5790 789 delete $disabled{"dynamic-engine"};
343ec2b0 790 }
25004db7
RL		 791 elsif ($1 eq "zlib-dynamic")
792 {
793 delete $disabled{"zlib"};
794 }
84f32c84
DMSP		 795 my $algo = $1;
796 delete $disabled{$algo};
797
798 # No longer an automatic choice
799 $auto_threads = 0 if ($1 eq "threads");
800 }
801 elsif (/^--strict-warnings$/)
802 {
803 # Pretend that our strict flags is a C flag, and replace it
804 # with the proper flags later on
805 push @{$useradd{CFLAGS}}, '--ossl-strict-warnings';
84f32c84
DMSP		 806 $strict_warnings=1;
807 }
808 elsif (/^--debug$/)
809 {
810 $config{build_type} = "debug";
811 }
812 elsif (/^--release$/)
813 {
814 $config{build_type} = "release";
815 }
816 elsif (/^386$/)
817 { $config{processor}=386; }
818 elsif (/^fips$/)
819 {
820 die "FIPS mode not supported\n";
821 }
822 elsif (/^rsaref$/)
823 {
824 # No RSAref support any more since it's not needed.
825 # The check for the option is there so scripts aren't
826 # broken
827 }
828 elsif (/^nofipscanistercheck$/)
829 {
830 die "FIPS mode not supported\n";
831 }
f246f54f 832 elsif (m|^[-+/]|)
84f32c84
DMSP		 833 {
834 if (/^--prefix=(.*)$/)
835 {
836 $config{prefix}=$1;
837 die "Directory given with --prefix MUST be absolute\n"
838 unless file_name_is_absolute($config{prefix});
839 }
840 elsif (/^--api=(.*)$/)
841 {
842 $config{api}=$1;
843 }
844 elsif (/^--libdir=(.*)$/)
845 {
846 $config{libdir}=$1;
847 }
848 elsif (/^--openssldir=(.*)$/)
849 {
850 $config{openssldir}=$1;
851 }
852 elsif (/^--with-zlib-lib=(.*)$/)
853 {
854 $withargs{zlib_lib}=$1;
855 }
856 elsif (/^--with-zlib-include=(.*)$/)
857 {
858 $withargs{zlib_include}=$1;
859 }
860 elsif (/^--with-fuzzer-lib=(.*)$/)
861 {
862 $withargs{fuzzer_lib}=$1;
863 }
864 elsif (/^--with-fuzzer-include=(.*)$/)
865 {
866 $withargs{fuzzer_include}=$1;
867 }
868 elsif (/^--with-rand-seed=(.*)$/)
869 {
870 foreach my $x (split(m|,|, $1))
871 {
872 die "Unknown --with-rand-seed choice $x\n"
873 if ! grep { $x eq $_ } @known_seed_sources;
874 push @seed_sources, $x;
875 }
876 }
877 elsif (/^--cross-compile-prefix=(.*)$/)
878 {
879 $user{CROSS_COMPILE}=$1;
880 }
881 elsif (/^--config=(.*)$/)
882 {
883 read_config $1;
884 }
885 elsif (/^-l(.*)$/)
886 {
887 push @{$useradd{LDLIBS}}, $_;
888 }
889 elsif (/^-framework$/)
890 {
891 push @{$useradd{LDLIBS}}, $_, shift(@argvcopy);
892 }
893 elsif (/^-L(.*)$/ or /^-Wl,/)
894 {
895 push @{$useradd{LDFLAGS}}, $_;
896 }
897 elsif (/^-rpath$/ or /^-R$/)
898 # -rpath is the OSF1 rpath flag
899 # -R is the old Solaris rpath flag
900 {
901 my $rpath = shift(@argvcopy) || "";
902 $rpath .= " " if $rpath ne "";
903 push @{$useradd{LDFLAGS}}, $_, $rpath;
904 }
905 elsif (/^-static$/)
906 {
907 push @{$useradd{LDFLAGS}}, $_;
84f32c84 908 }
f246f54f 909 elsif (m|^[-/]D(.*)$|)
84f32c84
DMSP		 910 {
911 push @{$useradd{CPPDEFINES}}, $1;
912 }
f246f54f 913 elsif (m|^[-/]I(.*)$|)
84f32c84
DMSP		 914 {
915 push @{$useradd{CPPINCLUDES}}, $1;
916 }
917 elsif (/^-Wp,$/)
918 {
919 push @{$useradd{CPPFLAGS}}, $1;
920 }
921 else # common if (/^[-+]/), just pass down...
922 {
f246f54f
DMSP		 923 # Treat %xx as an ASCII code (e.g. replace %20 by a space character).
924 # This provides a simple way to pass options with arguments separated
925 # by spaces without quoting (e.g. -opt%20arg translates to -opt arg).
84f32c84
DMSP		 926 $_ =~ s/%([0-9a-f]{1,2})/chr(hex($1))/gei;
927 push @{$useradd{CFLAGS}}, $_;
928 push @{$useradd{CXXFLAGS}}, $_;
8389ec4b 929 }
84f32c84 930 }
f246f54f
DMSP		 931 elsif (m|^/|)
932 {
933 # Treat %xx as an ASCII code (e.g. replace %20 by a space character).
934 # This provides a simple way to pass options with arguments separated
935 # by spaces without quoting (e.g. /opt%20arg translates to /opt arg).
936 $_ =~ s/%([0-9a-f]{1,2})/chr(hex($1))/gei;
937 push @{$useradd{CFLAGS}}, $_;
938 push @{$useradd{CXXFLAGS}}, $_;
939 }
84f32c84
DMSP		 940 else
941 {
942 die "target already defined - $target (offending arg: $_)\n" if ($target ne "");
943 $target=$_;
944 }
945 unless ($_ eq $target || /^no-/ || /^disable-/)
946 {
947 # "no-..." follows later after implied deactivations
948 # have been derived. (Don't take this too seriously,
949 # we really only write OPTIONS to the Makefile out of
950 # nostalgia.)
951
952 if ($config{options} eq "")
953 { $config{options} = $_; }
954 else
955 { $config{options} .= " ".$_; }
956 }
957 }
489eb740 958
ddbe700e 959if (defined($config{api}) && !exists $apitable->{$config{api}}) {
84f32c84 960 die "***** Unsupported api compatibility level: $config{api}\n",
ddbe700e 961}
98186eb4 962
ddbe700e 963if (keys %deprecated_options)
84f32c84
DMSP		 964 {
965 warn "***** Deprecated options: ",
966 join(", ", keys %deprecated_options), "\n";
967 }
ddbe700e 968if (keys %unsupported_options)
84f32c84
DMSP		 969 {
970 die "***** Unsupported options: ",
971 join(", ", keys %unsupported_options), "\n";
972 }
b6e4dac2 973
ac6ae8a9
RL		 974# If any %useradd entry has been set, we must check that the "make
975# variables" haven't been set. We start by checking of any %useradd entry
fb174faa 976# is set.
b9201360 977if (grep { scalar @$_ > 0 } values %useradd) {
fb174faa 978 # Hash of env / make variables names. The possible values are:
ac6ae8a9 979 # 1 - "make vars"
fb174faa
RL		 980 # 2 - %useradd entry set
981 # 3 - both set
ac6ae8a9 982 my %detected_vars =
fb174faa 983 map { my $v = 0;
ac6ae8a9 984 $v += 1 if $cmdvars{$_};
fb174faa
RL		 985 $v += 2 if @{$useradd{$_}};
986 $_ => $v }
987 keys %useradd;
988
ac6ae8a9
RL		 989 # If any of the corresponding "make variables" is set, we error
990 if (grep { $_ & 1 } values %detected_vars) {
991 my $names = join(', ', grep { $detected_vars{$_} > 0 }
992 sort keys %detected_vars);
b9201360 993 die <<"_____";
ac6ae8a9 994***** Mixing make variables and additional compiler/linker flags as
b9201360 995***** configure command line option is not permitted.
ac6ae8a9 996***** Affected make variables: $names
b9201360
RL		 997_____
998 }
999}
1000
ac6ae8a9
RL		 1001# Check through all supported command line variables to see if any of them
1002# were set, and canonicalise the values we got. If no compiler or linker
1003# flag or anything else that affects %useradd was set, we also check the
1004# environment for values.
1005my $anyuseradd =
1006 grep { defined $_ && (ref $_ ne 'ARRAY' || @$_) } values %useradd;
5b18235a 1007foreach (keys %user) {
ac6ae8a9
RL		 1008 my $value = $cmdvars{$_};
1009 $value //= env($_) unless $anyuseradd;
1010 $value //=
1011 defined $user_synonyms{$_} ? $cmdvars{$user_synonyms{$_}} : undef;
1012 $value //= defined $user_synonyms{$_} ? env($user_synonyms{$_}) : undef
1013 unless $anyuseradd;
5b18235a
RL		 1014
1015 if (defined $value) {
1016 if (ref $user{$_} eq 'ARRAY') {
1017 $user{$_} = [ split /$list_separator_re/, $value ];
1018 } elsif (!defined $user{$_}) {
1019 $user{$_} = $value;
1020 }
1021 }
1022}
1023
07e4dc34 1024if (grep { /-rpath\b/ } ($user{LDFLAGS} ? @{$user{LDFLAGS}} : ())
342a1a23
RL		 1025 && !$disabled{shared}
1026 && !($disabled{asan} && $disabled{msan} && $disabled{ubsan})) {
1027 die "***** Cannot simultaneously use -rpath, shared libraries, and\n",
84f32c84 1028 "***** any of asan, msan or ubsan\n";
342a1a23
RL		 1029}
1030
71ef78d7
RL		 1031sub disable {
1032 my $disable_type = shift;
1033
1034 for (@_) {
1035 $disabled{$_} = $disable_type;
1036 }
1037
1038 my @tocheckfor = (@_ ? @_ : keys %disabled);
1039 while (@tocheckfor) {
1040 my %new_tocheckfor = ();
1041 my @cascade_copy = (@disable_cascades);
1042 while (@cascade_copy) {
1043 my ($test, $descendents) =
1044 (shift @cascade_copy, shift @cascade_copy);
1045 if (ref($test) eq "CODE" ? $test->() : defined($disabled{$test})) {
1046 foreach (grep { !defined($disabled{$_}) } @$descendents) {
1047 $new_tocheckfor{$_} = 1; $disabled{$_} = "cascade";
1048 }
84f32c84
DMSP		 1049 }
1050 }
71ef78d7 1051 @tocheckfor = (keys %new_tocheckfor);
c569e206 1052 }
c569e206 1053}
71ef78d7 1054disable(); # First cascade run
edc032b5 1055
d63c12c6 1056our $die = sub { die @_; };
436a376b 1057if ($target eq "TABLE") {
d63c12c6 1058 local $die = sub { warn @_; };
00ae96ca 1059 foreach (sort keys %table) {
84f32c84 1060 print_table_entry($_, "TABLE");
00ae96ca
RL		 1061 }
1062 exit 0;
436a376b
BM		 1063}
1064
10a926c1 1065if ($target eq "LIST") {
00ae96ca 1066 foreach (sort keys %table) {
84f32c84 1067 print $_,"\n" unless $table{$_}->{template};
00ae96ca
RL		 1068 }
1069 exit 0;
10a926c1
UM		 1070}
1071
aaf878cc 1072if ($target eq "HASH") {
d63c12c6 1073 local $die = sub { warn @_; };
00ae96ca
RL		 1074 print "%table = (\n";
1075 foreach (sort keys %table) {
84f32c84 1076 print_table_entry($_, "HASH");
00ae96ca
RL		 1077 }
1078 exit 0;
aaf878cc
RL		 1079}
1080
16942e08
DMSP		 1081print "Configuring OpenSSL version $config{full_version} ";
1082print "for target $target\n";
64119271 1083
51cf8e0b
RL		 1084if (scalar(@seed_sources) == 0) {
1085 print "Using os-specific seed configuration\n";
1086 push @seed_sources, 'os';
1087}
2805ee1e
RL		 1088if (scalar(grep { $_ eq 'none' } @seed_sources) > 0) {
1089 die "Cannot seed with none and anything else" if scalar(@seed_sources) > 1;
1090 warn <<_____ if scalar(@seed_sources) == 1;
2805ee1e 1091
caa85952
DMSP		 1092============================== WARNING ===============================
1093You have selected the --with-rand-seed=none option, which effectively
1094disables automatic reseeding of the OpenSSL random generator.
1095All operations depending on the random generator such as creating keys
1096will not work unless the random generator is seeded manually by the
1097application.
1098
1099Please read the 'Note on random number generation' section in the
1100INSTALL instructions and the RAND_DRBG(7) manual page for more details.
1101============================== WARNING ===============================
1102
2805ee1e
RL		 1103_____
1104}
e0bf7c01 1105push @{$config{openssl_feature_defines}},
51cf8e0b 1106 map { (my $x = $_) =~ tr|[\-a-z]|[_A-Z]|; "OPENSSL_RAND_SEED_$x" }
84f32c84 1107 @seed_sources;
51cf8e0b 1108
00ae96ca 1109# Backward compatibility?
49e04548 1110if ($target =~ m/^CygWin32(-.*)$/) {
00ae96ca 1111 $target = "Cygwin".$1;
49e04548
RL		 1112}
1113
906eb3d0
RL		 1114# Support for legacy targets having a name starting with 'debug-'
1115my ($d, $t) = $target =~ m/^(debug-)?(.*)$/;
1116if ($d) {
1117 $config{build_type} = "debug";
1118
1119 # If we do not find debug-foo in the table, the target is set to foo.
1120 if (!$table{$target}) {
84f32c84 1121 $target = $t;
906eb3d0
RL		 1122 }
1123}
4e360445
RL		 1124
1125&usage if !$table{$target} || $table{$target}->{template};
1126
906eb3d0
RL		 1127$config{target} = $target;
1128my %target = resolve_config($target);
1129
abe256e7
RL		 1130foreach (keys %target_attr_translate) {
1131 $target{$target_attr_translate{$_}} = $target{$_}
1132 if $target{$_};
1133 delete $target{$_};
1134}
1135
793077d0
RL		 1136%target = ( %{$table{DEFAULTS}}, %target );
1137
906eb3d0
RL		 1138my %conf_files = map { $_ => 1 } (@{$target{_conf_fname_int}});
1139$config{conf_files} = [ sort keys %conf_files ];
906eb3d0 1140
71ef78d7
RL		 1141# Using sub disable within these loops may prove fragile, so we run
1142# a cascade afterwards
906eb3d0
RL		 1143foreach my $feature (@{$target{disable}}) {
1144 if (exists $deprecated_disablables{$feature}) {
1145 warn "***** config $target disables deprecated feature $feature\n";
1146 } elsif (!grep { $feature eq $_ } @disablables) {
1147 die "***** config $target disables unknown feature $feature\n";
1148 }
1149 $disabled{$feature} = 'config';
1150}
1151foreach my $feature (@{$target{enable}}) {
7a8a35ff 1152 if ("default" eq ($disabled{$feature} // "")) {
906eb3d0
RL		 1153 if (exists $deprecated_disablables{$feature}) {
1154 warn "***** config $target enables deprecated feature $feature\n";
1155 } elsif (!grep { $feature eq $_ } @disablables) {
1156 die "***** config $target enables unknown feature $feature\n";
1157 }
7a8a35ff 1158 delete $disabled{$feature};
906eb3d0
RL		 1159 }
1160}
b19fe714
RL		 1161
1162# If uplink_arch isn't defined, disable uplink
1163$disabled{uplink} = 'no uplink_arch' unless (defined $target{uplink_arch});
e6f98ae4
RL		 1164# If asm_arch isn't defined, disable asm
1165$disabled{asm} = 'no asm_arch' unless (defined $target{asm_arch});
b19fe714 1166
71ef78d7 1167disable(); # Run a cascade now
906eb3d0 1168
abe256e7
RL		 1169$target{CXXFLAGS}//=$target{CFLAGS} if $target{CXX};
1170$target{cxxflags}//=$target{cflags} if $target{CXX};
9dd4ed28 1171$target{exe_extension}=".exe" if ($config{target} eq "DJGPP");
107b5792 1172$target{exe_extension}=".pm" if ($config{target} =~ /vos/);
e987f9f2 1173
9e265322
RL		 1174# Fill %config with values from %user, and in case those are undefined or
1175# empty, use values from %target (acting as a default).
5b18235a 1176foreach (keys %user) {
5b18235a
RL		 1177 my $ref_type = ref $user{$_};
1178
1179 # Temporary function. Takes an intended ref type (empty string or "ARRAY")
1180 # and a value that's to be coerced into that type.
1181 my $mkvalue = sub {
1182 my $type = shift;
1183 my $value = shift;
1184 my $undef_p = shift;
1185
1186 die "Too many arguments for \$mkvalue" if @_;
1187
1188 while (ref $value eq 'CODE') {
1189 $value = $value->();
1190 }
1191
1192 if ($type eq 'ARRAY') {
1193 return undef unless defined $value;
1194 return undef if ref $value ne 'ARRAY' && !$value;
1195 return undef if ref $value eq 'ARRAY' && !@$value;
1196 return [ $value ] unless ref $value eq 'ARRAY';
1197 }
1198 return undef unless $value;
1199 return $value;
1200 };
1201
abe256e7 1202 $config{$_} =
5b18235a 1203 $mkvalue->($ref_type, $user{$_})
abe256e7
RL		 1204 || $mkvalue->($ref_type, $target{$_});
1205 delete $config{$_} unless defined $config{$_};
5b18235a 1206}
aaf878cc 1207
c1a09254
RL		 1208# Finish up %config by appending things the user gave us on the command line
1209# apart from "make variables"
1210foreach (keys %useradd) {
1211 # The must all be lists, so we assert that here
1212 die "internal error: \$useradd{$_} isn't an ARRAY\n"
1213 unless ref $useradd{$_} eq 'ARRAY';
1214
1215 if (defined $config{$_}) {
1216 push @{$config{$_}}, @{$useradd{$_}};
1217 } else {
1218 $config{$_} = [ @{$useradd{$_}} ];
1219 }
1220}
1221# At this point, we can forget everything about %user and %useradd,
1222# because it's now all been merged into the corresponding $config entry
1223
8b5156d1 1224# Allow overriding the build file name
5b18235a 1225$config{build_file} = env('BUILDFILE') || $target{build_file} || "Makefile";
bd5192b1 1226
75d47db4
RL		 1227######################################################################
1228# Build up information for skipping certain directories depending on disabled
1229# features, as well as setting up macros for disabled features.
1230
1231# This is a tentative database of directories to skip. Some entries may not
1232# correspond to anything real, but that's ok, they will simply be ignored.
1233# The actual processing of these entries is done in the build.info lookup
1234# loop further down.
1235#
1236# The key is a Unix formated path in the source tree, the value is an index
1237# into %disabled_info, so any existing path gets added to a corresponding
1238# 'skipped' entry in there with the list of skipped directories.
1239my %skipdir = ();
ca372414
RL		 1240my %disabled_info = (); # For configdata.pm
1241foreach my $what (sort keys %disabled) {
469ce8ff
RL		 1242 # There are deprecated disablables that translate to themselves.
1243 # They cause disabling cascades, but should otherwise not regiter.
1244 next if $deprecated_disablables{$what};
1245
ca372414
RL		 1246 $config{options} .= " no-$what";
1247
e7545517
MC		 1248 if (!grep { $what eq $_ } ( 'buildtest-c++', 'fips', 'threads', 'shared',
1249 'module', 'pic', 'dynamic-engine', 'makedepend',
d0308923 1250 'zlib-dynamic', 'zlib', 'sse2', 'legacy' )) {
ca372414 1251 (my $WHAT = uc $what) =~ s|-|_|g;
75d47db4 1252 my $skipdir = $what;
ca372414
RL		 1253
1254 # fix-up crypto/directory name(s)
75d47db4
RL		 1255 $skipdir = "ripemd" if $what eq "rmd160";
1256 $skipdir = "whrlpool" if $what eq "whirlpool";
ca372414
RL		 1257
1258 my $macro = $disabled_info{$what}->{macro} = "OPENSSL_NO_$WHAT";
75d47db4 1259 push @{$config{openssl_feature_defines}}, $macro;
ca372414 1260
75d47db4
RL		 1261 $skipdir{engines} = $what if $what eq 'engine';
1262 $skipdir{"crypto/$skipdir"} = $what
3b2f8c77 1263 unless $what eq 'async' || $what eq 'err' || $what eq 'dso';
ca372414
RL		 1264 }
1265}
1266
291e94df
RL		 1267# Make sure build_scheme is consistent.
1268$target{build_scheme} = [ $target{build_scheme} ]
1269 if ref($target{build_scheme}) ne "ARRAY";
1270
ddf1847d
RL		 1271my ($builder, $builder_platform, @builder_opts) =
1272 @{$target{build_scheme}};
1273
d192a3aa
RL		 1274foreach my $checker (($builder_platform."-".$target{build_file}."-checker.pm",
1275 $builder_platform."-checker.pm")) {
1276 my $checker_path = catfile($srcdir, "Configurations", $checker);
1277 if (-f $checker_path) {
1278 my $fn = $ENV{CONFIGURE_CHECKER_WARN}
1279 ? sub { warn $@; } : sub { die $@; };
1280 if (! do $checker_path) {
1281 if ($@) {
1282 $fn->($@);
1283 } elsif ($!) {
1284 $fn->($!);
1285 } else {
1286 $fn->("The detected tools didn't match the platform\n");
1287 }
1288 }
1289 last;
1290 }
1291}
1292
488e2b0f
RL		 1293push @{$config{defines}}, "NDEBUG" if $config{build_type} eq "release";
1294
abe256e7 1295if ($target =~ /^mingw/ && `$config{CC} --target-help 2>&1` =~ m/-mno-cygwin/m)
84f32c84
DMSP		 1296 {
1297 push @{$config{cflags}}, "-mno-cygwin";
1298 push @{$config{cxxflags}}, "-mno-cygwin" if $config{CXX};
1299 push @{$config{shared_ldflag}}, "-mno-cygwin";
1300 }
cbecd29a 1301
5b18235a 1302if ($target =~ /linux.*-mips/ && !$disabled{asm}
c1a09254 1303 && !grep { $_ !~ /-m(ips|arch=)/ } (@{$config{CFLAGS}})) {
84f32c84
DMSP		 1304 # minimally required architecture flags for assembly modules
1305 my $value;
1306 $value = '-mips2' if ($target =~ /mips32/);
1307 $value = '-mips3' if ($target =~ /mips64/);
1308 unshift @{$config{cflags}}, $value;
1309 unshift @{$config{cxxflags}}, $value if $config{CXX};
63d8834c
AP		 1310}
1311
9c62a279
RL		 1312# If threads aren't disabled, check how possible they are
1313unless ($disabled{threads}) {
1314 if ($auto_threads) {
1315 # Enabled by default, disable it forcibly if unavailable
1316 if ($target{thread_scheme} eq "(unknown)") {
71ef78d7 1317 disable("unavailable", 'threads');
9c62a279
RL		 1318 }
1319 } else {
8483a003 1320 # The user chose to enable threads explicitly, let's see
9c62a279
RL		 1321 # if there's a chance that's possible
1322 if ($target{thread_scheme} eq "(unknown)") {
1323 # If the user asked for "threads" and we don't have internal
1324 # knowledge how to do it, [s]he is expected to provide any
1325 # system-dependent compiler options that are necessary. We
1326 # can't truly check that the given options are correct, but
1327 # we expect the user to know what [s]He is doing.
c1a09254 1328 if (!@{$config{CFLAGS}} && !@{$config{CPPDEFINES}}) {
9c62a279
RL		 1329 die "You asked for multi-threading support, but didn't\n"
1330 ,"provide any system-specific compiler options\n";
1331 }
1332 }
1333 }
1334}
1335
bacc3081
RL		 1336# Find out if clang's sanitizers have been enabled with -fsanitize
1337# flags and ensure that the corresponding %disabled elements area
1338# removed to reflect that the sanitizers are indeed enabled.
1339my %detected_sanitizers = ();
1340foreach (grep /^-fsanitize=/, @{$config{CFLAGS} || []}) {
1341 (my $checks = $_) =~ s/^-fsanitize=//;
1342 foreach (split /,/, $checks) {
1343 my $d = { address => 'asan',
1344 undefined => 'ubsan',
1345 memory => 'msan' } -> {$_};
1346 next unless defined $d;
1347
1348 $detected_sanitizers{$d} = 1;
1349 if (defined $disabled{$d}) {
1350 die "***** Conflict between disabling $d and enabling $_ sanitizer"
1351 if $disabled{$d} ne "default";
1352 delete $disabled{$d};
1353 }
1354 }
1355}
1356
9c62a279
RL		 1357# If threads still aren't disabled, add a C macro to ensure the source
1358# code knows about it. Any other flag is taken care of by the configs.
1359unless($disabled{threads}) {
e0bf7c01 1360 push @{$config{openssl_feature_defines}}, "OPENSSL_THREADS";
9c62a279 1361}
e452de9d 1362
98186eb4
VD		 1363# With "deprecated" disable all deprecated features.
1364if (defined($disabled{"deprecated"})) {
107b5792 1365 $config{api} = $maxapi;
98186eb4 1366}
07c4c14c 1367
8c3bc594 1368my $no_shared_warn=0;
291e94df 1369if ($target{shared_target} eq "")
84f32c84
DMSP		 1370 {
1371 $no_shared_warn = 1
1372 if (!$disabled{shared} || !$disabled{"dynamic-engine"});
71ef78d7 1373 disable('no-shared-target', 'pic');
84f32c84 1374 }
b436a982 1375
19ab5790 1376if ($disabled{"dynamic-engine"}) {
e0bf7c01 1377 push @{$config{openssl_feature_defines}}, "OPENSSL_NO_DYNAMIC_ENGINE";
343ec2b0 1378 $config{dynamic_engines} = 0;
19ab5790 1379} else {
e0bf7c01 1380 push @{$config{openssl_feature_defines}}, "OPENSSL_NO_STATIC_ENGINE";
19ab5790 1381 $config{dynamic_engines} = 1;
343ec2b0 1382}
ecd45314 1383
bacc3081 1384unless ($disabled{asan} || defined $detected_sanitizers{asan}) {
5b18235a 1385 push @{$config{cflags}}, "-fsanitize=address";
c38bb727
BL		 1386}
1387
bacc3081 1388unless ($disabled{ubsan} || defined $detected_sanitizers{ubsan}) {
f430ba31 1389 # -DPEDANTIC or -fnosanitize=alignment may also be required on some
c38bb727 1390 # platforms.
5b18235a 1391 push @{$config{cflags}}, "-fsanitize=undefined", "-fno-sanitize-recover=all";
c38bb727
BL		 1392}
1393
bacc3081 1394unless ($disabled{msan} || defined $detected_sanitizers{msan}) {
5b18235a 1395 push @{$config{cflags}}, "-fsanitize=memory";
29df3061
EK		 1396}
1397
65cc6d5c 1398unless ($disabled{"fuzz-libfuzzer"} && $disabled{"fuzz-afl"}
29df3061 1399 && $disabled{asan} && $disabled{ubsan} && $disabled{msan}) {
5b18235a 1400 push @{$config{cflags}}, "-fno-omit-frame-pointer", "-g";
abe256e7 1401 push @{$config{cxxflags}}, "-fno-omit-frame-pointer", "-g" if $config{CXX};
c38bb727 1402}
c313e32a
AP		 1403#
1404# Platform fix-ups
1405#
ae48242c
RL		 1406
1407# This saves the build files from having to check
1408if ($disabled{pic})
84f32c84
DMSP		 1409 {
1410 foreach (qw(shared_cflag shared_cxxflag shared_cppflag
1411 shared_defines shared_includes shared_ldflag
1412 module_cflags module_cxxflags module_cppflags
1413 module_defines module_includes module_lflags))
1414 {
1415 delete $config{$_};
1416 $target{$_} = "";
1417 }
1418 }
4f16039e 1419else
84f32c84
DMSP		 1420 {
1421 push @{$config{lib_defines}}, "OPENSSL_PIC";
1422 }
ae48242c 1423
291e94df 1424if ($target{sys_id} ne "")
84f32c84
DMSP		 1425 {
1426 push @{$config{openssl_sys_defines}}, "OPENSSL_SYS_$target{sys_id}";
1427 }
cf1b7d96 1428
00b0d663 1429unless ($disabled{asm}) {
9e0724a1 1430}
d02b48c6 1431
e373c70a
RL		 1432my %predefined_C = compiler_predefined($config{CROSS_COMPILE}.$config{CC});
1433my %predefined_CXX = $config{CXX}
1434 ? compiler_predefined($config{CROSS_COMPILE}.$config{CXX})
1435 : ();
54cf3b98 1436
fe191b49 1437# Check for makedepend capabilities.
6d75a83c 1438if (!$disabled{makedepend}) {
fe191b49
RL		 1439 if ($config{target} =~ /^(VC|vms)-/) {
1440 # For VC- and vms- targets, there's nothing more to do here. The
1441 # functionality is hard coded in the corresponding build files for
1442 # cl (Windows) and CC/DECC (VMS).
e373c70a 1443 } elsif (($predefined_C{__GNUC__} // -1) >= 3
84f32c84 1444 && !($predefined_C{__APPLE_CC__} && !$predefined_C{__clang__})) {
fe191b49 1445 # We know that GNU C version 3 and up as well as all clang
717f308e
TS		 1446 # versions support dependency generation, but Xcode did not
1447 # handle $cc -M before clang support (but claims __GNUC__ = 3)
abe256e7 1448 $config{makedepprog} = "\$(CROSS_COMPILE)$config{CC}";
6d75a83c 1449 } else {
fe191b49
RL		 1450 # In all other cases, we look for 'makedepend', and disable the
1451 # capability if not found.
6d75a83c 1452 $config{makedepprog} = which('makedepend');
71ef78d7 1453 disable('unavailable', 'makedepend') unless $config{makedepprog};
54cf3b98 1454 }
f1f07a23 1455}
8ed40b83 1456
e373c70a 1457if (!$disabled{asm} && !$predefined_C{__MACH__} && $^O ne 'VMS') {
0ad4078c 1458 # probe for -Wa,--noexecstack option...
e373c70a 1459 if ($predefined_C{__clang__}) {
0ad4078c
AP		 1460 # clang has builtin assembler, which doesn't recognize --help,
1461 # but it apparently recognizes the option in question on all
1462 # supported platforms even when it's meaningless. In other words
1463 # probe would fail, but probed option always accepted...
1464 push @{$config{cflags}}, "-Wa,--noexecstack", "-Qunused-arguments";
8e5da579 1465 } else {
0ad4078c
AP		 1466 my $cc = $config{CROSS_COMPILE}.$config{CC};
1467 open(PIPE, "$cc -Wa,--help -c -o null.$$.o -x assembler /dev/null 2>&1 |");
1468 while(<PIPE>) {
1469 if (m/--noexecstack/) {
1470 push @{$config{cflags}}, "-Wa,--noexecstack";
1471 last;
1472 }
1473 }
1474 close(PIPE);
1475 unlink("null.$$.o");
1476 }
1477}
7d130f68
RL		 1478
1479# Deal with bn_ops ###################################################
1480
84f32c84 1481$config{bn_ll} =0;
7d130f68 1482my $def_int="unsigned int";
84f32c84 1483$config{rc4_int} =$def_int;
b4f35e5e 1484($config{b64l},$config{b64},$config{b32})=(0,0,1);
7d130f68 1485
94af0cd7 1486my $count = 0;
7d130f68 1487foreach (sort split(/\s+/,$target{bn_ops})) {
94af0cd7 1488 $count++ if /SIXTY_FOUR_BIT|SIXTY_FOUR_BIT_LONG|THIRTY_TWO_BIT/;
84f32c84
DMSP		 1489 $config{bn_ll}=1 if $_ eq 'BN_LLONG';
1490 $config{rc4_int}="unsigned char" if $_ eq 'RC4_CHAR';
94af0cd7 1491 ($config{b64l},$config{b64},$config{b32})
84f32c84 1492 =(0,1,0) if $_ eq 'SIXTY_FOUR_BIT';
94af0cd7 1493 ($config{b64l},$config{b64},$config{b32})
84f32c84 1494 =(1,0,0) if $_ eq 'SIXTY_FOUR_BIT_LONG';
94af0cd7 1495 ($config{b64l},$config{b64},$config{b32})
84f32c84 1496 =(0,0,1) if $_ eq 'THIRTY_TWO_BIT';
7d130f68 1497}
94af0cd7
RS		 1498die "Exactly one of SIXTY_FOUR_BIT|SIXTY_FOUR_BIT_LONG|THIRTY_TWO_BIT can be set in bn_ops\n"
1499 if $count > 1;
7d130f68
RL		 1500
1501
1502# Hack cflags for better warnings (dev option) #######################
1503
fa153b57
RL		 1504# "Stringify" the C and C++ flags string. This permits it to be made part of
1505# a string and works as well on command lines.
5b18235a
RL		 1506$config{cflags} = [ map { (my $x = $_) =~ s/([\\\"])/\\$1/g; $x }
1507 @{$config{cflags}} ];
fa153b57 1508$config{cxxflags} = [ map { (my $x = $_) =~ s/([\\\"])/\\$1/g; $x }
abe256e7 1509 @{$config{cxxflags}} ] if $config{CXX};
b436a982 1510
fcd2d5a6
RL		 1511$config{openssl_api_defines} = [
1512 "OPENSSL_MIN_API=".($apitable->{$config{api} // ""} // -1)
1513];
98186eb4 1514
3b437400 1515my @strict_warnings_collection=();
0c28f277 1516if ($strict_warnings)
84f32c84
DMSP		 1517 {
1518 my $wopt;
1519 my $gccver = $predefined_C{__GNUC__} // -1;
6d50589c 1520
84f32c84 1521 warn "WARNING --strict-warnings requires gcc[>=4] or gcc-alike"
6d50589c 1522 unless $gccver >= 4;
3b437400
RL		 1523 push @strict_warnings_collection, @gcc_devteam_warn;
1524 push @strict_warnings_collection, @clang_devteam_warn
1525 if (defined($predefined_C{__clang__}));
84f32c84 1526 }
4650d10f
RL		 1527
1528if (grep { $_ eq '-static' } @{$config{LDFLAGS}}) {
71ef78d7 1529 disable('static', 'pic', 'threads');
4650d10f
RL		 1530}
1531
3b437400
RL		 1532$config{CFLAGS} = [ map { $_ eq '--ossl-strict-warnings'
1533 ? @strict_warnings_collection
1534 : ( $_ ) }
1535 @{$config{CFLAGS}} ];
ef8ca6bd
RL		 1536
1537unless ($disabled{"crypto-mdebug-backtrace"})
84f32c84
DMSP		 1538 {
1539 foreach my $wopt (split /\s+/, $memleak_devteam_backtrace)
1540 {
1541 push @{$config{cflags}}, $wopt
1542 unless grep { $_ eq $wopt } @{$config{cflags}};
84f32c84
DMSP		 1543 }
1544 if ($target =~ /^BSD-/)
1545 {
1546 push @{$config{ex_libs}}, "-lexecinfo";
1547 }
1548 }
0c28f277 1549
c91a0a83
EK		 1550unless ($disabled{afalgeng}) {
1551 $config{afalgeng}="";
9e381e8a 1552 if (grep { $_ eq 'afalgeng' } @{$target{enable}}) {
79fff39d 1553 my $minver = 4*10000 + 1*100 + 0;
abe256e7 1554 if ($config{CROSS_COMPILE} eq "") {
79fff39d
RL		 1555 my $verstr = `uname -r`;
1556 my ($ma, $mi1, $mi2) = split("\\.", $verstr);
1557 ($mi2) = $mi2 =~ /(\d+)/;
1558 my $ver = $ma*10000 + $mi1*100 + $mi2;
1559 if ($ver < $minver) {
71ef78d7 1560 disable('too-old-kernel', 'afalgeng');
79fff39d
RL		 1561 } else {
1562 push @{$config{engdirs}}, "afalg";
1563 }
68dc37c1 1564 } else {
71ef78d7 1565 disable('cross-compiling', 'afalgeng');
6cba4a66 1566 }
79fff39d 1567 } else {
71ef78d7 1568 disable('not-linux', 'afalgeng');
7f458a48 1569 }
1570}
8da00a38 1571
e0bf7c01 1572push @{$config{openssl_feature_defines}}, "OPENSSL_NO_AFALGENG" if ($disabled{afalgeng});
7f458a48 1573
69495e3d
BP		 1574unless ($disabled{ktls}) {
1575 $config{ktls}="";
1576 if ($target =~ m/^linux/) {
1577 my $usr = "/usr/$config{cross_compile_prefix}";
1578 chop($usr);
1579 if ($config{cross_compile_prefix} eq "") {
1580 $usr = "/usr";
1581 }
1582 my $minver = (4 << 16) + (13 << 8) + 0;
1583 my @verstr = split(" ",`cat $usr/include/linux/version.h | grep LINUX_VERSION_CODE`);
1584
1585 if ($verstr[2] < $minver) {
71ef78d7 1586 disable('too-old-kernel', 'ktls');
69495e3d
BP		 1587 }
1588 } else {
71ef78d7 1589 disable('not-linux', 'ktls');
69495e3d
BP		 1590 }
1591}
1592
1593push @{$config{openssl_other_defines}}, "OPENSSL_NO_KTLS" if ($disabled{ktls});
1594
8f0dd6d9
RL		 1595# Get the extra flags used when building shared libraries and modules. We
1596# do this late because some of them depend on %disabled.
1597
1598# Make the flags to build DSOs the same as for shared libraries unless they
1599# are already defined
1600$target{module_cflags} = $target{shared_cflag} unless defined $target{module_cflags};
1601$target{module_cxxflags} = $target{shared_cxxflag} unless defined $target{module_cxxflags};
1602$target{module_ldflags} = $target{shared_ldflag} unless defined $target{module_ldflags};
1603{
1604 my $shared_info_pl =
1605 catfile(dirname($0), "Configurations", "shared-info.pl");
1606 my %shared_info = read_eval_file($shared_info_pl);
1607 push @{$target{_conf_fname_int}}, $shared_info_pl;
1608 my $si = $target{shared_target};
1609 while (ref $si ne "HASH") {
1610 last if ! defined $si;
1611 if (ref $si eq "CODE") {
1612 $si = $si->();
1613 } else {
1614 $si = $shared_info{$si};
1615 }
1616 }
1617
1618 # Some of the 'shared_target' values don't have any entries in
1619 # %shared_info. That's perfectly fine, AS LONG AS the build file
1620 # template knows how to handle this. That is currently the case for
1621 # Windows and VMS.
1622 if (defined $si) {
1623 # Just as above, copy certain shared_* attributes to the corresponding
1624 # module_ attribute unless the latter is already defined
1625 $si->{module_cflags} = $si->{shared_cflag} unless defined $si->{module_cflags};
1626 $si->{module_cxxflags} = $si->{shared_cxxflag} unless defined $si->{module_cxxflags};
1627 $si->{module_ldflags} = $si->{shared_ldflag} unless defined $si->{module_ldflags};
1628 foreach (sort keys %$si) {
1629 $target{$_} = defined $target{$_}
1630 ? add($si->{$_})->($target{$_})
1631 : $si->{$_};
1632 }
1633 }
1634}
1635
1636# ALL MODIFICATIONS TO %disabled, %config and %target MUST BE DONE FROM HERE ON
5b18235a 1637
9fe2bb77
RL		 1638# If we use the unified build, collect information from build.info files
1639my %unified_info = ();
1640
2b6b606c 1641my $buildinfo_debug = defined($ENV{CONFIGURE_DEBUG_BUILDINFO});
ddf1847d 1642if ($builder eq "unified") {
1935a586 1643 use Text::Template 1.46;
9fe2bb77 1644
9fe2bb77 1645 sub cleandir {
2e963849 1646 my $base = shift;
9fe2bb77 1647 my $dir = shift;
2e963849
RL		 1648 my $relativeto = shift || ".";
1649
1650 $dir = catdir($base,$dir) unless isabsolute($dir);
9fe2bb77 1651
ec182ef0
RL		 1652 # Make sure the directories we're building in exists
1653 mkpath($dir);
1654
2e963849 1655 my $res = abs2rel(absolutedir($dir), rel2abs($relativeto));
9fe2bb77
RL		 1656 #print STDERR "DEBUG[cleandir]: $dir , $base => $res\n";
1657 return $res;
1658 }
1659
1660 sub cleanfile {
2e963849 1661 my $base = shift;
9fe2bb77 1662 my $file = shift;
2e963849
RL		 1663 my $relativeto = shift || ".";
1664
1665 $file = catfile($base,$file) unless isabsolute($file);
1666
9fe2bb77
RL		 1667 my $d = dirname($file);
1668 my $f = basename($file);
1669
ec182ef0
RL		 1670 # Make sure the directories we're building in exists
1671 mkpath($d);
1672
2e963849 1673 my $res = abs2rel(catfile(absolutedir($d), $f), rel2abs($relativeto));
9fe2bb77
RL		 1674 #print STDERR "DEBUG[cleanfile]: $d , $f => $res\n";
1675 return $res;
1676 }
1677
1967a42e
RL		 1678 # Store the name of the template file we will build the build file from
1679 # in %config. This may be useful for the build file itself.
1680 my @build_file_template_names =
84f32c84
DMSP		 1681 ( $builder_platform."-".$target{build_file}.".tmpl",
1682 $target{build_file}.".tmpl" );
1967a42e
RL		 1683 my @build_file_templates = ();
1684
1685 # First, look in the user provided directory, if given
7ecdf18d 1686 if (defined env($local_config_envname)) {
84f32c84
DMSP		 1687 @build_file_templates =
1688 map {
1689 if ($^O eq 'VMS') {
1690 # VMS environment variables are logical names,
1691 # which can be used as is
1692 $local_config_envname . ':' . $_;
1693 } else {
1694 catfile(env($local_config_envname), $_);
1695 }
1696 }
1697 @build_file_template_names;
1967a42e
RL		 1698 }
1699 # Then, look in our standard directory
1700 push @build_file_templates,
84f32c84
DMSP		 1701 ( map { cleanfile($srcdir, catfile("Configurations", $_), $blddir) }
1702 @build_file_template_names );
1967a42e
RL		 1703
1704 my $build_file_template;
1705 for $_ (@build_file_templates) {
84f32c84 1706 $build_file_template = $_;
1967a42e
RL		 1707 last if -f $build_file_template;
1708
1709 $build_file_template = undef;
1710 }
1711 if (!defined $build_file_template) {
84f32c84 1712 die "*** Couldn't find any of:\n", join("\n", @build_file_templates), "\n";
1967a42e
RL		 1713 }
1714 $config{build_file_templates}
8258975c
RL		 1715 = [ cleanfile($srcdir, catfile("Configurations", "common0.tmpl"),
1716 $blddir),
1717 $build_file_template,
1967a42e
RL		 1718 cleanfile($srcdir, catfile("Configurations", "common.tmpl"),
1719 $blddir) ];
1720
7f73eafe 1721 my @build_dirs = ( [ ] ); # current directory
9fe2bb77 1722
2e0956ba
RL		 1723 $config{build_infos} = [ ];
1724
d201dbc9 1725 my %ordinals = ();
7f73eafe
RL		 1726 while (@build_dirs) {
1727 my @curd = @{shift @build_dirs};
1728 my $sourced = catdir($srcdir, @curd);
1729 my $buildd = catdir($blddir, @curd);
9fe2bb77 1730
75d47db4
RL		 1731 my $unixdir = join('/', @curd);
1732 if (exists $skipdir{$unixdir}) {
1733 my $what = $skipdir{$unixdir};
1734 push @{$disabled_info{$what}->{skipped}}, catdir(@curd);
1735 next;
1736 }
1737
dca99383 1738 mkpath($buildd);
9fe2bb77 1739
7f73eafe 1740 my $f = 'build.info';
9fe2bb77
RL		 1741 # The basic things we're trying to build
1742 my @programs = ();
1743 my @libraries = ();
1842f369 1744 my @modules = ();
9fe2bb77 1745 my @scripts = ();
9fe2bb77 1746
9fe2bb77 1747 my %sources = ();
2a08d1a0 1748 my %shared_sources = ();
9fe2bb77 1749 my %includes = ();
b96ab5e6 1750 my %defines = ();
9fe2bb77 1751 my %depends = ();
ae4c7450 1752 my %generate = ();
9fe2bb77 1753
26fe9b07
RL		 1754 # Support for $variablename in build.info files.
1755 # Embedded perl code is the ultimate master, still. If its output
1756 # contains a dollar sign, it had better be escaped, or it will be
1757 # taken for a variable name prefix.
1758 my %variables = ();
285daccd 1759 my $variable_re = qr/\$(?P<VARIABLE>[[:alpha:]][[:alnum:]_]*)/;
26fe9b07
RL		 1760 my $expand_variables = sub {
1761 my $value = '';
1762 my $value_rest = shift;
1763
03f30c55
RL		 1764 if ($ENV{CONFIGURE_DEBUG_VARIABLE_EXPAND}) {
1765 print STDERR
1766 "DEBUG[\$expand_variables] Parsed '$value_rest' into:\n"
1767 }
26fe9b07
RL		 1768 while ($value_rest =~ /(?<!\\)${variable_re}/) {
1769 $value .= $`;
285daccd 1770 $value .= $variables{$+{VARIABLE}};
26fe9b07
RL		 1771 $value_rest = $';
1772 }
03f30c55
RL		 1773 if ($ENV{CONFIGURE_DEBUG_VARIABLE_EXPAND}) {
1774 print STDERR
1775 "DEBUG[\$expand_variables] ... '$value$value_rest'\n";
1776 }
26fe9b07
RL		 1777 return $value . $value_rest;
1778 };
1779
285daccd
RL		 1780 # Support for attributes in build.info files
1781 my %attributes = ();
1782 my $handle_attributes = sub {
1783 my $attr_str = shift;
1784 my $ref = shift;
1785 my @goals = @_;
1786
1787 return unless defined $attr_str;
1788
1789 my @a = tokenize($attr_str, qr|\s*,\s*|);
1790 foreach my $a (@a) {
1791 my $ac = 1;
1792 my $ak = $a;
1793 my $av = 1;
1794 if ($a =~ m|^(!)?(.*?)\s* = \s*(.*?)$|) {
1795 $ac = ! $1;
1796 $ak = $1;
1797 $av = $2;
1798 }
1799 foreach my $g (@goals) {
1800 if ($ac) {
1801 $$ref->{$g}->{$ak} = $av;
1802 } else {
1803 delete $$ref->{$g}->{$ak};
1804 }
1805 }
1806 }
1807 };
1808
846e4c4d
RL		 1809 # We want to detect configdata.pm in the source tree, so we
1810 # don't use it if the build tree is different.
1811 my $src_configdata = cleanfile($srcdir, "configdata.pm", $blddir);
1812
2e0956ba 1813 push @{$config{build_infos}}, catfile(abs2rel($sourced, $blddir), $f);
cb6afcd6
RL		 1814 my $template =
1815 Text::Template->new(TYPE => 'FILE',
1816 SOURCE => catfile($sourced, $f),
1817 PREPEND => qq{use lib "$FindBin::Bin/util/perl";});
9fe2bb77
RL		 1818 die "Something went wrong with $sourced/$f: $!\n" unless $template;
1819 my @text =
1820 split /^/m,
1821 $template->fill_in(HASH => { config => \%config,
1822 target => \%target,
9e04edf2 1823 disabled => \%disabled,
f59d0131 1824 withargs => \%withargs,
9fe2bb77
RL		 1825 builddir => abs2rel($buildd, $blddir),
1826 sourcedir => abs2rel($sourced, $blddir),
1827 buildtop => abs2rel($blddir, $blddir),
1828 sourcetop => abs2rel($srcdir, $blddir) },
1829 DELIMITERS => [ "{-", "-}" ]);
1830
1831 # The top item of this stack has the following values
1832 # -2 positive already run and we found ELSE (following ELSIF should fail)
1833 # -1 positive already run (skip until ENDIF)
1834 # 0 negatives so far (if we're at a condition, check it)
1835 # 1 last was positive (don't skip lines until next ELSE, ELSIF or ENDIF)
1836 # 2 positive ELSE (following ELSIF should fail)
1837 my @skip = ();
285daccd
RL		 1838
1839 # A few useful generic regexps
1840 my $index_re = qr/\[\s*(?P<INDEX>(?:\\.|.)*?)\s*\]/;
1841 my $cond_re = qr/\[\s*(?P<COND>(?:\\.|.)*?)\s*\]/;
1842 my $attribs_re = qr/(?:\{\s*(?P<ATTRIBS>(?:\\.|.)*?)\s*\})?/;
1843 my $value_re = qr/\s*(?P<VALUE>.*?)\s*/;
9fe2bb77
RL		 1844 collect_information(
1845 collect_from_array([ @text ],
1846 qr/\\$/ => sub { my $l1 = shift; my $l2 = shift;
1847 $l1 =~ s/\\$//; $l1.$l2 }),
1848 # Info we're looking for
285daccd 1849 qr/^\s* IF ${cond_re} \s*$/x
635bd409 1850 => sub {
c5798e0e 1851 if (! @skip || $skip[$#skip] > 0) {
285daccd 1852 push @skip, !! $expand_variables->($+{COND});
635bd409
RL		 1853 } else {
1854 push @skip, -1;
1855 }
1856 },
285daccd 1857 qr/^\s* ELSIF ${cond_re} \s*$/x
9fe2bb77
RL		 1858 => sub { die "ELSIF out of scope" if ! @skip;
1859 die "ELSIF following ELSE" if abs($skip[$#skip]) == 2;
1860 $skip[$#skip] = -1 if $skip[$#skip] != 0;
285daccd 1861 $skip[$#skip] = !! $expand_variables->($+{COND})
9fe2bb77 1862 if $skip[$#skip] == 0; },
285daccd 1863 qr/^\s* ELSE \s*$/x
9fe2bb77
RL		 1864 => sub { die "ELSE out of scope" if ! @skip;
1865 $skip[$#skip] = -2 if $skip[$#skip] != 0;
1866 $skip[$#skip] = 2 if $skip[$#skip] == 0; },
285daccd 1867 qr/^\s* ENDIF \s*$/x
9fe2bb77
RL		 1868 => sub { die "ENDIF out of scope" if ! @skip;
1869 pop @skip; },
285daccd 1870 qr/^\s* ${variable_re} \s* = ${value_re} $/x
26fe9b07
RL		 1871 => sub {
1872 if (!@skip || $skip[$#skip] > 0) {
285daccd 1873 $variables{$+{VARIABLE}} = $expand_variables->($+{VALUE});
26fe9b07
RL		 1874 }
1875 },
285daccd 1876 qr/^\s* SUBDIRS \s* = ${value_re} $/x
7f73eafe
RL		 1877 => sub {
1878 if (!@skip || $skip[$#skip] > 0) {
285daccd 1879 foreach (tokenize($expand_variables->($+{VALUE}))) {
7f73eafe
RL		 1880 push @build_dirs, [ @curd, splitdir($_, 1) ];
1881 }
1882 }
1883 },
285daccd 1884 qr/^\s* PROGRAMS ${attribs_re} \s* = ${value_re} $/x
7f5af797
RL		 1885 => sub {
1886 if (!@skip || $skip[$#skip] > 0) {
285daccd 1887 my @p = tokenize($expand_variables->($+{VALUE}));
c91f24d4 1888 push @programs, @p;
285daccd
RL		 1889 $handle_attributes->($+{ATTRIBS},
1890 \$attributes{programs},
1891 @p);
7f5af797
RL		 1892 }
1893 },
285daccd 1894 qr/^\s* LIBS ${attribs_re} \s* = ${value_re} $/x
7f5af797
RL		 1895 => sub {
1896 if (!@skip || $skip[$#skip] > 0) {
285daccd 1897 my @l = tokenize($expand_variables->($+{VALUE}));
c91f24d4 1898 push @libraries, @l;
285daccd
RL		 1899 $handle_attributes->($+{ATTRIBS},
1900 \$attributes{libraries},
1901 @l);
7f5af797
RL		 1902 }
1903 },
285daccd 1904 qr/^\s* MODULES ${attribs_re} \s* = ${value_re} $/x
7f5af797
RL		 1905 => sub {
1906 if (!@skip || $skip[$#skip] > 0) {
285daccd 1907 my @m = tokenize($expand_variables->($+{VALUE}));
1842f369 1908 push @modules, @m;
285daccd
RL		 1909 $handle_attributes->($+{ATTRIBS},
1910 \$attributes{modules},
1911 @m);
7f5af797
RL		 1912 }
1913 },
285daccd 1914 qr/^\s* SCRIPTS ${attribs_re} \s* = ${value_re} $/x
7f5af797
RL		 1915 => sub {
1916 if (!@skip || $skip[$#skip] > 0) {
285daccd 1917 my @s = tokenize($expand_variables->($+{VALUE}));
c91f24d4 1918 push @scripts, @s;
285daccd
RL		 1919 $handle_attributes->($+{ATTRIBS},
1920 \$attributes{scripts},
1921 @s);
7f5af797
RL		 1922 }
1923 },
9fe2bb77 1924
285daccd
RL		 1925 qr/^\s* ORDINALS ${index_re} = ${value_re} $/x
1926 => sub { push @{$ordinals{$expand_variables->($+{INDEX})}},
1927 tokenize($expand_variables->($+{VALUE}))
9fe2bb77 1928 if !@skip || $skip[$#skip] > 0 },
285daccd
RL		 1929 qr/^\s* SOURCE ${index_re} = ${value_re} $/x
1930 => sub { push @{$sources{$expand_variables->($+{INDEX})}},
1931 tokenize($expand_variables->($+{VALUE}))
9fe2bb77 1932 if !@skip || $skip[$#skip] > 0 },
285daccd
RL		 1933 qr/^\s* SHARED_SOURCE ${index_re} = ${value_re} $/x
1934 => sub { push @{$shared_sources{$expand_variables->($+{INDEX})}},
1935 tokenize($expand_variables->($+{VALUE}))
2a08d1a0 1936 if !@skip || $skip[$#skip] > 0 },
285daccd
RL		 1937 qr/^\s* INCLUDE ${index_re} = ${value_re} $/x
1938 => sub { push @{$includes{$expand_variables->($+{INDEX})}},
1939 tokenize($expand_variables->($+{VALUE}))
9fe2bb77 1940 if !@skip || $skip[$#skip] > 0 },
285daccd
RL		 1941 qr/^\s* DEFINE ${index_re} = ${value_re} $/x
1942 => sub { push @{$defines{$expand_variables->($+{INDEX})}},
1943 tokenize($expand_variables->($+{VALUE}))
b96ab5e6 1944 if !@skip || $skip[$#skip] > 0 },
9eba5933
RL		 1945 qr/^\s* DEPEND ${index_re} ${attribs_re} = ${value_re} $/x
1946 => sub {
1947 if (!@skip || $skip[$#skip] > 0) {
1948 my $i = $expand_variables->($+{INDEX});
1949 my @d = tokenize($expand_variables->($+{VALUE}));
1950 push @{$depends{$i}}, @d;
1951 $handle_attributes->($+{ATTRIBS},
1952 \$attributes{depends}->{$i},
1953 @d);
1954 }
1955 },
285daccd
RL		 1956 qr/^\s* GENERATE ${index_re} = ${value_re} $/x
1957 => sub { push @{$generate{$expand_variables->($+{INDEX})}},
1958 $+{VALUE}
ae4c7450 1959 if !@skip || $skip[$#skip] > 0 },
285daccd 1960 qr/^\s* (?:\#.*)? $/x => sub { },
2b6b606c
RL		 1961 "OTHERWISE" => sub { die "Something wrong with this line:\n$_\nat $sourced/$f" },
1962 "BEFORE" => sub {
1963 if ($buildinfo_debug) {
1964 print STDERR "DEBUG: Parsing ",join(" ", @_),"\n";
1965 print STDERR "DEBUG: ... before parsing, skip stack is ",join(" ", map { int($_) } @skip),"\n";
1966 }
1967 },
1968 "AFTER" => sub {
1969 if ($buildinfo_debug) {
1970 print STDERR "DEBUG: .... after parsing, skip stack is ",join(" ", map { int($_) } @skip),"\n";
1971 }
1972 },
9fe2bb77
RL		 1973 );
1974 die "runaway IF?" if (@skip);
1975
285daccd 1976 if (grep { defined $attributes{modules}->{$_}->{engine} } keys %attributes
1842f369
RL		 1977 and !$config{dynamic_engines}) {
1978 die <<"EOF"
19ab5790 1979ENGINES can only be used if configured with 'dynamic-engine'.
9fe2bb77
RL		 1980This is usually a fault in a build.info file.
1981EOF
1842f369 1982 }
7f5af797 1983
c91f24d4
RL		 1984 {
1985 my %infos = ( programs => [ @programs ],
1986 libraries => [ @libraries ],
1842f369 1987 modules => [ @modules ],
da7e31e0 1988 scripts => [ @scripts ] );
c91f24d4
RL		 1989 foreach my $k (keys %infos) {
1990 foreach (@{$infos{$k}}) {
1991 my $item = cleanfile($buildd, $_, $blddir);
1992 $unified_info{$k}->{$item} = 1;
285daccd
RL		 1993
1994 # Fix up associated attributes
1995 $unified_info{attributes}->{$k}->{$item} =
1996 $attributes{$k}->{$_}
1997 if defined $attributes{$k}->{$_};
c91f24d4
RL		 1998 }
1999 }
8a67946e
RL		 2000 }
2001
f5fb6f05
RL		 2002 # Check that we haven't defined any library as both shared and
2003 # explicitly static. That is forbidden.
2004 my @doubles = ();
2005 foreach (grep /\.a$/, keys %{$unified_info{libraries}}) {
2006 (my $l = $_) =~ s/\.a$//;
2007 push @doubles, $l if defined $unified_info{libraries}->{$l};
9fe2bb77 2008 }
f5fb6f05
RL		 2009 die "these libraries are both explicitly static and shared:\n ",
2010 join(" ", @doubles), "\n"
2011 if @doubles;
9fe2bb77 2012
9fe2bb77
RL		 2013 foreach (keys %sources) {
2014 my $dest = $_;
2e963849 2015 my $ddest = cleanfile($buildd, $_, $blddir);
9fe2bb77 2016 foreach (@{$sources{$dest}}) {
2e963849 2017 my $s = cleanfile($sourced, $_, $blddir);
9fe2bb77
RL		 2018
2019 # If it isn't in the source tree, we assume it's generated
2020 # in the build tree
846e4c4d 2021 if ($s eq $src_configdata || ! -f $s || $generate{$_}) {
2e963849 2022 $s = cleanfile($buildd, $_, $blddir);
9fe2bb77 2023 }
ea241958
RL		 2024 # We recognise C++, C and asm files
2025 if ($s =~ /\.(cc|cpp|c|s|S)$/) {
2026 my $o = $_;
2027 $o =~ s/\.[csS]$/.o/; # C and assembler
2028 $o =~ s/\.(cc|cpp)$/_cc.o/; # C++
2e963849 2029 $o = cleanfile($buildd, $o, $blddir);
bec2db18
RL		 2030 $unified_info{sources}->{$ddest}->{$o} = -1;
2031 $unified_info{sources}->{$o}->{$s} = -1;
83900628
RS		 2032 } elsif ($s =~ /\.rc$/) {
2033 # We also recognise resource files
2034 my $o = $_;
2035 $o =~ s/\.rc$/.res/; # Resource configuration
2036 my $o = cleanfile($buildd, $o, $blddir);
bec2db18
RL		 2037 $unified_info{sources}->{$ddest}->{$o} = -1;
2038 $unified_info{sources}->{$o}->{$s} = -1;
9fe2bb77
RL		 2039 } else {
2040 $unified_info{sources}->{$ddest}->{$s} = 1;
2041 }
2042 }
2043 }
2044
2a08d1a0
RL		 2045 foreach (keys %shared_sources) {
2046 my $dest = $_;
2047 my $ddest = cleanfile($buildd, $_, $blddir);
2a08d1a0
RL		 2048 foreach (@{$shared_sources{$dest}}) {
2049 my $s = cleanfile($sourced, $_, $blddir);
2050
2051 # If it isn't in the source tree, we assume it's generated
2052 # in the build tree
846e4c4d 2053 if ($s eq $src_configdata || ! -f $s || $generate{$_}) {
2a08d1a0
RL		 2054 $s = cleanfile($buildd, $_, $blddir);
2055 }
ccce3e1d 2056
ea241958 2057 if ($s =~ /\.(cc|cpp|c|s|S)$/) {
ccce3e1d 2058 # We recognise C++, C and asm files
ea241958
RL		 2059 my $o = $_;
2060 $o =~ s/\.[csS]$/.o/; # C and assembler
2061 $o =~ s/\.(cc|cpp)$/_cc.o/; # C++
2a08d1a0 2062 $o = cleanfile($buildd, $o, $blddir);
bec2db18
RL		 2063 $unified_info{shared_sources}->{$ddest}->{$o} = -1;
2064 $unified_info{sources}->{$o}->{$s} = -1;
ccce3e1d
RL		 2065 } elsif ($s =~ /\.rc$/) {
2066 # We also recognise resource files
2067 my $o = $_;
2068 $o =~ s/\.rc$/.res/; # Resource configuration
2069 my $o = cleanfile($buildd, $o, $blddir);
bec2db18
RL		 2070 $unified_info{shared_sources}->{$ddest}->{$o} = -1;
2071 $unified_info{sources}->{$o}->{$s} = -1;
ef2dfc99
RL		 2072 } elsif ($s =~ /\.ld$/) {
2073 # We also recognise linker scripts (or corresponding)
ccce3e1d 2074 # We know they are generated files
05a72c28 2075 my $ld = cleanfile($buildd, $_, $blddir);
ef2dfc99 2076 $unified_info{shared_sources}->{$ddest}->{$ld} = 1;
2a08d1a0
RL		 2077 } else {
2078 die "unrecognised source file type for shared library: $s\n";
2079 }
2080 }
2081 }
2082
ae4c7450
RL		 2083 foreach (keys %generate) {
2084 my $dest = $_;
2085 my $ddest = cleanfile($buildd, $_, $blddir);
ae4c7450
RL		 2086 die "more than one generator for $dest: "
2087 ,join(" ", @{$generate{$_}}),"\n"
2088 if scalar @{$generate{$_}} > 1;
2089 my @generator = split /\s+/, $generate{$dest}->[0];
2090 $generator[0] = cleanfile($sourced, $generator[0], $blddir),
2091 $unified_info{generate}->{$ddest} = [ @generator ];
2092 }
2093
9fe2bb77
RL		 2094 foreach (keys %depends) {
2095 my $dest = $_;
4f858293 2096 my $ddest = $dest eq "" ? "" : cleanfile($sourced, $_, $blddir);
8d34daf0
RL		 2097
2098 # If the destination doesn't exist in source, it can only be
2099 # a generated file in the build tree.
846e4c4d 2100 if ($ddest ne "" && ($ddest eq $src_configdata || ! -f $ddest)) {
8d34daf0 2101 $ddest = cleanfile($buildd, $_, $blddir);
9fe2bb77
RL		 2102 }
2103 foreach (@{$depends{$dest}}) {
2e963849 2104 my $d = cleanfile($sourced, $_, $blddir);
9fe2bb77 2105
e737d7b1
RL		 2106 # If we know it's generated, or assume it is because we can't
2107 # find it in the source tree, we set file we depend on to be
2108 # in the build tree rather than the source tree, and assume
2109 # and that there are lines to build it in a BEGINRAW..ENDRAW
2110 # section or in the Makefile template.
846e4c4d
RL		 2111 if ($d eq $src_configdata
2112 || ! -f $d
da1f2104
RL		 2113 || (grep { $d eq $_ }
2114 map { cleanfile($srcdir, $_, $blddir) }
4f858293 2115 grep { /\.h$/ } keys %{$unified_info{generate}})) {
2e963849 2116 $d = cleanfile($buildd, $_, $blddir);
9fe2bb77
RL		 2117 }
2118 # Take note if the file to depend on is being renamed
186a31e5
RL		 2119 # Take extra care with files ending with .a, they should
2120 # be treated without that extension, and the extension
2121 # should be added back after treatment.
2122 $d =~ /(\.a)?$/;
2123 my $e = $1 // "";
f5fb6f05 2124 $d = $`.$e;
9fe2bb77 2125 $unified_info{depends}->{$ddest}->{$d} = 1;
9eba5933
RL		 2126
2127 # Fix up associated attributes
2128 $unified_info{attributes}->{depends}->{$ddest}->{$d} =
2129 $attributes{depends}->{$dest}->{$_}
2130 if defined $attributes{depends}->{$dest}->{$_};
9fe2bb77
RL		 2131 }
2132 }
2133
2134 foreach (keys %includes) {
2135 my $dest = $_;
8d34daf0
RL		 2136 my $ddest = cleanfile($sourced, $_, $blddir);
2137
2138 # If the destination doesn't exist in source, it can only be
2139 # a generated file in the build tree.
846e4c4d 2140 if ($ddest eq $src_configdata || ! -f $ddest) {
8d34daf0 2141 $ddest = cleanfile($buildd, $_, $blddir);
9fe2bb77
RL		 2142 }
2143 foreach (@{$includes{$dest}}) {
4748f890
RL		 2144 my $is = cleandir($sourced, $_, $blddir);
2145 my $ib = cleandir($buildd, $_, $blddir);
2146 push @{$unified_info{includes}->{$ddest}->{source}}, $is
2147 unless grep { $_ eq $is } @{$unified_info{includes}->{$ddest}->{source}};
2148 push @{$unified_info{includes}->{$ddest}->{build}}, $ib
2149 unless grep { $_ eq $ib } @{$unified_info{includes}->{$ddest}->{build}};
9fe2bb77
RL		 2150 }
2151 }
b96ab5e6 2152
ef57f799
RL		 2153 foreach my $dest (keys %defines) {
2154 my $ddest;
b96ab5e6 2155
ef57f799
RL		 2156 if ($dest ne "") {
2157 $ddest = cleanfile($sourced, $dest, $blddir);
2158
2159 # If the destination doesn't exist in source, it can only
2160 # be a generated file in the build tree.
2161 if (! -f $ddest) {
2162 $ddest = cleanfile($buildd, $dest, $blddir);
2163 if ($unified_info{rename}->{$ddest}) {
2164 $ddest = $unified_info{rename}->{$ddest};
2165 }
b96ab5e6
RL		 2166 }
2167 }
ef57f799
RL		 2168 foreach my $v (@{$defines{$dest}}) {
2169 $v =~ m|^([^=]*)(=.*)?$|;
b96ab5e6 2170 die "0 length macro name not permitted\n" if $1 eq "";
ef57f799
RL		 2171 if ($dest ne "") {
2172 die "$1 defined more than once\n"
2173 if defined $unified_info{defines}->{$ddest}->{$1};
2174 $unified_info{defines}->{$ddest}->{$1} = $2;
2175 } else {
2176 die "$1 defined more than once\n"
2177 if grep { $v eq $_ } @{$config{defines}};
2178 push @{$config{defines}}, $v;
2179 }
b96ab5e6
RL		 2180 }
2181 }
9fe2bb77
RL		 2182 }
2183
d201dbc9
RL		 2184 my $ordinals_text = join(', ', sort keys %ordinals);
2185 warn <<"EOF" if $ordinals_text;
2186
2187WARNING: ORDINALS were specified for $ordinals_text
2188They are ignored and should be replaced with a combination of GENERATE,
2189DEPEND and SHARED_SOURCE.
2190EOF
2191
51583cb8
RL		 2192
2193 # Go through the sources of all libraries and check that the same basename
2194 # doesn't appear more than once. Some static library archivers depend on
2195 # them being unique.
2196 {
2197 my $err = 0;
2198 foreach my $prod (keys %{$unified_info{libraries}}) {
2199 my @prod_sources =
2200 map { keys %{$unified_info{sources}->{$_}} }
2201 keys %{$unified_info{sources}->{$prod}};
2202 my %srccnt = ();
2203
2204 # Count how many times a given each source basename
2205 # appears for each product.
2206 foreach my $src (@prod_sources) {
2207 $srccnt{basename $src}++;
2208 }
2209
2210 foreach my $src (keys %srccnt) {
2211 if ((my $cnt = $srccnt{$src}) > 1) {
2212 print STDERR "$src appears $cnt times for the product $prod\n";
2213 $err++
2214 }
2215 }
2216 }
2217 die if $err > 0;
2218 }
2219
1b5ad51f
RL		 2220 # Massage the result
2221
e431bcfa
RL		 2222 # If we depend on a header file or a perl module, add an inclusion of
2223 # its directory to allow smoothe inclusion
2224 foreach my $dest (keys %{$unified_info{depends}}) {
2225 next if $dest eq "";
2226 foreach my $d (keys %{$unified_info{depends}->{$dest}}) {
2227 next unless $d =~ /\.(h|pm)$/;
906032d5
RL		 2228 my $i = dirname($d);
2229 my $spot =
2230 $d eq "configdata.pm" || defined($unified_info{generate}->{$d})
2231 ? 'build' : 'source';
2232 push @{$unified_info{includes}->{$dest}->{$spot}}, $i
2233 unless grep { $_ eq $i } @{$unified_info{includes}->{$dest}->{$spot}};
e431bcfa
RL		 2234 }
2235 }
2236
ef2dfc99 2237 # Go through all intermediary files and change their names to something that
bec2db18
RL		 2238 # reflects what they will be built for. Note that for some source files,
2239 # this leads to duplicate object files because they are used multiple times.
2240 # the goal is to rename all object files according to this scheme:
2241 # {productname}-{midfix}-{origobjname}.[o|res]
2242 # the {midfix} is a keyword indicating the type of product, which is mostly
2243 # valuable for libraries since they come in two forms.
2244 #
2245 # This also reorganises the {sources} and {shared_sources} so that the
2246 # former only contains ALL object files that are supposed to end up in
2247 # static libraries and programs, while the latter contains ALL object files
2248 # that are supposed to end up in shared libraries and DSOs.
2249 # The main reason for having two different source structures is to allow
2250 # the same name to be used for the static and the shared variants of a
2251 # library.
2252 {
2253 # Take copies so we don't get interference from added stuff
2254 my %unified_copy = ();
2255 foreach (('sources', 'shared_sources')) {
2256 $unified_copy{$_} = { %{$unified_info{$_}} }
2257 if defined($unified_info{$_});
2258 delete $unified_info{$_};
2259 }
1842f369 2260 foreach my $prodtype (('programs', 'libraries', 'modules', 'scripts')) {
bec2db18
RL		 2261 # $intent serves multi purposes:
2262 # - give a prefix for the new object files names
2263 # - in the case of libraries, rearrange the object files so static
2264 # libraries use the 'sources' structure exclusively, while shared
2265 # libraries use the 'shared_sources' structure exclusively.
2266 my $intent = {
2267 programs => { bin => { src => [ 'sources' ],
2268 dst => 'sources' } },
2269 libraries => { lib => { src => [ 'sources' ],
2270 dst => 'sources' },
2271 shlib => { prodselect =>
2272 sub { grep !/\.a$/, @_ },
2273 src => [ 'sources',
2274 'shared_sources' ],
2275 dst => 'shared_sources' } },
22b41467
RL		 2276 modules => { dso => { src => [ 'sources' ],
2277 dst => 'sources' } },
bec2db18
RL		 2278 scripts => { script => { src => [ 'sources' ],
2279 dst => 'sources' } }
2280 } -> {$prodtype};
2281 foreach my $kind (keys %$intent) {
856b1b65
RL		 2282 next if ($intent->{$kind}->{dst} eq 'shared_sources'
2283 && $disabled{shared});
2284
bec2db18
RL		 2285 my @src = @{$intent->{$kind}->{src}};
2286 my $dst = $intent->{$kind}->{dst};
2287 my $prodselect = $intent->{$kind}->{prodselect} // sub { @_ };
2288 foreach my $prod ($prodselect->(keys %{$unified_info{$prodtype}})) {
2289 # %prod_sources has all applicable objects as keys, and
2290 # their corresponding sources as values
2291 my %prod_sources =
2292 map { $_ => [ keys %{$unified_copy{sources}->{$_}} ] }
2293 map { keys %{$unified_copy{$_}->{$prod}} }
2294 @src;
2295 foreach (keys %prod_sources) {
ef2dfc99
RL		 2296 # Only affect object files and resource files,
2297 # the others simply get a new value
2298 # (+1 instead of -1)
bec2db18
RL		 2299 if ($_ =~ /\.(o|res)$/) {
2300 (my $prodname = $prod) =~ s|\.a$||;
2301 my $newobj =
2302 catfile(dirname($_),
2303 basename($prodname)
2304 . '-' . $kind
2305 . '-' . basename($_));
2306 $unified_info{$dst}->{$prod}->{$newobj} = 1;
2307 foreach my $src (@{$prod_sources{$_}}) {
2308 $unified_info{sources}->{$newobj}->{$src} = 1;
2309 }
2310 # Adjust dependencies
2311 foreach my $deps (keys %{$unified_info{depends}->{$_}}) {
2312 $unified_info{depends}->{$_}->{$deps} = -1;
2313 $unified_info{depends}->{$newobj}->{$deps} = 1;
2314 }
2315 # Adjust includes
2316 foreach my $k (('source', 'build')) {
2317 next unless
2318 defined($unified_info{includes}->{$_}->{$k});
2319 my @incs = @{$unified_info{includes}->{$_}->{$k}};
2320 $unified_info{includes}->{$newobj}->{$k} = [ @incs ];
2321 }
2322 } else {
2323 $unified_info{$dst}->{$prod}->{$_} = 1;
2324 }
2325 }
2326 }
2327 }
2328 }
2329 }
51583cb8 2330
bec2db18
RL		 2331 # At this point, we have a number of sources with the value -1. They
2332 # aren't part of the local build and are probably meant for a different
2333 # platform, and can therefore be cleaned away. That happens when making
2334 # %unified_info more efficient below.
2335
9fe2bb77
RL		 2336 ### Make unified_info a bit more efficient
2337 # One level structures
1842f369 2338 foreach (("programs", "libraries", "modules", "scripts")) {
9fe2bb77
RL		 2339 $unified_info{$_} = [ sort keys %{$unified_info{$_}} ];
2340 }
2341 # Two level structures
c91f24d4 2342 foreach my $l1 (("sources", "shared_sources", "ldadd", "depends")) {
9fe2bb77 2343 foreach my $l2 (sort keys %{$unified_info{$l1}}) {
bec2db18
RL		 2344 my @items =
2345 sort
2346 grep { $unified_info{$l1}->{$l2}->{$_} > 0 }
2347 keys %{$unified_info{$l1}->{$l2}};
2348 if (@items) {
2349 $unified_info{$l1}->{$l2} = [ @items ];
2350 } else {
2351 delete $unified_info{$l1}->{$l2};
2352 }
9fe2bb77
RL		 2353 }
2354 }
b96ab5e6
RL		 2355 # Defines
2356 foreach my $dest (sort keys %{$unified_info{defines}}) {
2357 $unified_info{defines}->{$dest}
2358 = [ map { $_.$unified_info{defines}->{$dest}->{$_} }
2359 sort keys %{$unified_info{defines}->{$dest}} ];
2360 }
4748f890
RL		 2361 # Includes
2362 foreach my $dest (sort keys %{$unified_info{includes}}) {
2363 if (defined($unified_info{includes}->{$dest}->{build})) {
e431bcfa
RL		 2364 my @source_includes = ();
2365 @source_includes = ( @{$unified_info{includes}->{$dest}->{source}} )
2366 if defined($unified_info{includes}->{$dest}->{source});
4748f890
RL		 2367 $unified_info{includes}->{$dest} =
2368 [ @{$unified_info{includes}->{$dest}->{build}} ];
2369 foreach my $inc (@source_includes) {
2370 push @{$unified_info{includes}->{$dest}}, $inc
2371 unless grep { $_ eq $inc } @{$unified_info{includes}->{$dest}};
2372 }
609e4be8 2373 } elsif (defined($unified_info{includes}->{$dest}->{source})) {
4748f890
RL		 2374 $unified_info{includes}->{$dest} =
2375 [ @{$unified_info{includes}->{$dest}->{source}} ];
609e4be8
RL		 2376 } else {
2377 delete $unified_info{includes}->{$dest};
4748f890
RL		 2378 }
2379 }
b6e66075
RL		 2380
2381 # For convenience collect information regarding directories where
2382 # files are generated, those generated files and the end product
2383 # they end up in where applicable. Then, add build rules for those
2384 # directories
2385 my %loopinfo = ( "lib" => [ @{$unified_info{libraries}} ],
1842f369 2386 "dso" => [ @{$unified_info{modules}} ],
b6e66075
RL		 2387 "bin" => [ @{$unified_info{programs}} ],
2388 "script" => [ @{$unified_info{scripts}} ] );
2389 foreach my $type (keys %loopinfo) {
2390 foreach my $product (@{$loopinfo{$type}}) {
2391 my %dirs = ();
2392 my $pd = dirname($product);
2393
3bed01a0 2394 foreach (@{$unified_info{sources}->{$product} // []},
b6e66075
RL		 2395 @{$unified_info{shared_sources}->{$product} // []}) {
2396 my $d = dirname($_);
2397
2398 # We don't want to create targets for source directories
2399 # when building out of source
2400 next if ($config{sourcedir} ne $config{builddir}
2401 && $d =~ m|^\Q$config{sourcedir}\E|);
2402 # We already have a "test" target, and the current directory
2403 # is just silly to make a target for
2404 next if $d eq "test" || $d eq ".";
2405
2406 $dirs{$d} = 1;
2407 push @{$unified_info{dirinfo}->{$d}->{deps}}, $_
2408 if $d ne $pd;
2409 }
2410 foreach (keys %dirs) {
2411 push @{$unified_info{dirinfo}->{$_}->{products}->{$type}},
2412 $product;
2413 }
2414 }
2415 }
9fe2bb77
RL		 2416}
2417
2418# For the schemes that need it, we provide the old *_obj configs
2419# from the *_asm_obj ones
3a55c92b 2420foreach (grep /_(asm|aux)_src$/, keys %target) {
9fe2bb77 2421 my $src = $_;
3a55c92b 2422 (my $obj = $_) =~ s/_(asm|aux)_src$/_obj/;
ea241958
RL		 2423 $target{$obj} = $target{$src};
2424 $target{$obj} =~ s/\.[csS]\b/.o/g; # C and assembler
2425 $target{$obj} =~ s/\.(cc|cpp)\b/_cc.o/g; # C++
9fe2bb77
RL		 2426}
2427
291e94df
RL		 2428# Write down our configuration where it fits #########################
2429
1f86b822
RL		 2430my %template_vars = (
2431 config => \%config,
2432 target => \%target,
2433 disablables => \@disablables,
2434 disablables_int => \@disablables_int,
2435 disabled => \%disabled,
2436 withargs => \%withargs,
2437 unified_info => \%unified_info,
2438 tls => \@tls,
2439 dtls => \@dtls,
2440 makevars => [ sort keys %user ],
2441 disabled_info => \%disabled_info,
2442 user_crossable => \@user_crossable,
291e94df 2443);
1f86b822
RL		 2444my $configdata_outname = 'configdata.pm';
2445print "Creating $configdata_outname\n";
2446open CONFIGDATA, ">$configdata_outname.new"
2447 or die "Trying to create $configdata_outname.new: $!";
2448my $configdata_tmplname = cleanfile($srcdir, "configdata.pm.in", $blddir);
2449my $configdata_tmpl =
2450 OpenSSL::Template->new(TYPE => 'FILE', SOURCE => $configdata_tmplname);
2451$configdata_tmpl->fill_in(
2452 FILENAME => $configdata_tmplname,
2453 OUTPUT => \*CONFIGDATA,
2454 HASH => { %template_vars,
2455 autowarntext => [
2456 'WARNING: do not edit!',
2457 "Generated by Configure from $configdata_tmplname",
2458 ] }
2459) or die $Text::Template::ERROR;
2460close CONFIGDATA;
2461rename "$configdata_outname.new", $configdata_outname;
b1fafff6
RL		 2462if ($builder_platform eq 'unix') {
2463 my $mode = (0755 & ~umask);
2464 chmod $mode, 'configdata.pm'
2465 or warn sprintf("WARNING: Couldn't change mode for 'configdata.pm' to 0%03o: %s\n",$mode,$!);
2466}
cba5068d 2467
1f86b822
RL		 2468print "Running $configdata_outname\n";
2469my $perlcmd = (quotify("maybeshell", $config{PERL}))[0];
2470my $cmd = "$perlcmd $configdata_outname";
2471#print STDERR "DEBUG[run_dofile]: \$cmd = $cmd\n";
2472system($cmd);
2473exit 1 if $? != 0;
fce0ba5f 2474
8937a4ed
RL		 2475$SIG{__DIE__} = $orig_death_handler;
2476
9c62a279 2477print <<"EOF" if ($disabled{threads} eq "unavailable");
5f8d5c96
BM		 2478
2479The library could not be configured for supporting multi-threaded
2480applications as the compiler options required on this system are not known.
ff1b7e09 2481See file INSTALL for details if you need multi-threading.
ec577822
BM		 2482EOF
2483
76ffb43d 2484print <<"EOF" if ($no_shared_warn);
2964ba8c 2485
ae48242c
RL		 2486The options 'shared', 'pic' and 'dynamic-engine' aren't supported on this
2487platform, so we will pretend you gave the option 'no-pic', which also disables
2488'shared' and 'dynamic-engine'. If you know how to implement shared libraries
2489or position independent code, please let us know (but please first make sure
2490you have tried with a current version of OpenSSL).
2e31ef03
RS		 2491EOF
2492
820e414d
RL		 2493print <<"EOF";
2494
2495**********************************************************************
2496*** ***
41349b5e 2497*** OpenSSL has been successfully configured ***
820e414d 2498*** ***
41349b5e
DMSP		 2499*** If you encounter a problem while building, please open an ***
2500*** issue on GitHub <https://github.com/openssl/openssl/issues> ***
2501*** and include the output from the following command: ***
2502*** ***
2503*** perl configdata.pm --dump ***
2504*** ***
2505*** (If you are new to OpenSSL, you might want to consult the ***
2506*** 'Troubleshooting' section in the INSTALL file first) ***
820e414d
RL		 2507*** ***
2508**********************************************************************
2509EOF
2510
d02b48c6
RE		 2511exit(0);
2512
bd5192b1
RL		 2513######################################################################
2514#
2515# Helpers and utility functions
2516#
2517
8937a4ed
RL		 2518# Death handler, to print a helpful message in case of failure #######
2519#
2520sub death_handler {
eb807d53 2521 die @_ if $^S; # To prevent the added message in eval blocks
8937a4ed 2522 my $build_file = $target{build_file} // "build file";
eb807d53 2523 my @message = ( <<"_____", @_ );
8937a4ed
RL		 2524
2525Failure! $build_file wasn't produced.
2526Please read INSTALL and associated NOTES files. You may also have to look over
2527your available compiler tool chain or change your configuration.
2528
2529_____
eb807d53
RL		 2530
2531 # Dying is terminal, so it's ok to reset the signal handler here.
2532 $SIG{__DIE__} = $orig_death_handler;
2533 die @message;
8937a4ed
RL		 2534}
2535
bd5192b1
RL		 2536# Configuration file reading #########################################
2537
1f2e1cd5
RL		 2538# Note: All of the helper functions are for lazy evaluation. They all
2539# return a CODE ref, which will return the intended value when evaluated.
2540# Thus, whenever there's mention of a returned value, it's about that
2541# intended value.
2542
1f2e1cd5
RL		 2543# Helper function to implement conditional value variants, with a default
2544# plus additional values based on the value of $config{build_type}.
2545# Arguments are given in hash table form:
2546#
2547# picker(default => "Basic string: ",
2548# debug => "debug",
2549# release => "release")
2550#
2551# When configuring with --debug, the resulting string will be
2552# "Basic string: debug", and when not, it will be "Basic string: release"
2553#
2554# This can be used to create variants of sets of flags according to the
2555# build type:
2556#
2557# cflags => picker(default => "-Wall",
2558# debug => "-g -O0",
2559# release => "-O3")
2560#
2561sub picker {
2562 my %opts = @_;
2563 return sub { add($opts{default} || (),
2564 $opts{$config{build_type}} || ())->(); }
2565}
2566
2567# Helper function to combine several values of different types into one.
2568# This is useful if you want to combine a string with the result of a
2569# lazy function, such as:
2570#
2571# cflags => combine("-Wall", sub { $disabled{zlib} ? () : "-DZLIB" })
2572#
2573sub combine {
2574 my @stuff = @_;
2575 return sub { add(@stuff)->(); }
2576}
2577
2578# Helper function to implement conditional values depending on the value
2579# of $disabled{threads}. Can be used as follows:
2580#
2581# cflags => combine("-Wall", threads("-pthread"))
2582#
2583sub threads {
2584 my @flags = @_;
2585 return sub { add($disabled{threads} ? () : @flags)->(); }
2586}
2587
60aa6c1a
AP		 2588sub shared {
2589 my @flags = @_;
2590 return sub { add($disabled{shared} ? () : @flags)->(); }
2591}
1f2e1cd5 2592
9c62a279 2593our $add_called = 0;
88087414
RL		 2594# Helper function to implement adding values to already existing configuration
2595# values. It handles elements that are ARRAYs, CODEs and scalars
2596sub _add {
2597 my $separator = shift;
2598
bcb1977b
RL		 2599 # If there's any ARRAY in the collection of values OR the separator
2600 # is undef, we will return an ARRAY of combined values, otherwise a
2601 # string of joined values with $separator as the separator.
2602 my $found_array = !defined($separator);
88087414
RL		 2603
2604 my @values =
84f32c84
DMSP		 2605 map {
2606 my $res = $_;
2607 while (ref($res) eq "CODE") {
2608 $res = $res->();
2609 }
2610 if (defined($res)) {
2611 if (ref($res) eq "ARRAY") {
2612 $found_array = 1;
2613 @$res;
2614 } else {
2615 $res;
2616 }
2617 } else {
2618 ();
2619 }
88087414
RL		 2620 } (@_);
2621
9c62a279
RL		 2622 $add_called = 1;
2623
88087414 2624 if ($found_array) {
84f32c84 2625 [ @values ];
88087414 2626 } else {
84f32c84 2627 join($separator, grep { defined($_) && $_ ne "" } @values);
88087414
RL		 2628 }
2629}
2630sub add_before {
bdcd83e1
RL		 2631 my $separator = " ";
2632 if (ref($_[$#_]) eq "HASH") {
2633 my $opts = pop;
2634 $separator = $opts->{separator};
2635 }
88087414
RL		 2636 my @x = @_;
2637 sub { _add($separator, @x, @_) };
2638}
2639sub add {
bdcd83e1
RL		 2640 my $separator = " ";
2641 if (ref($_[$#_]) eq "HASH") {
2642 my $opts = pop;
2643 $separator = $opts->{separator};
2644 }
88087414
RL		 2645 my @x = @_;
2646 sub { _add($separator, @_, @x) };
2647}
2648
3b6c4b07
RL		 2649sub read_eval_file {
2650 my $fname = shift;
2651 my $content;
2652 my @result;
2653
2654 open F, "< $fname" or die "Can't open '$fname': $!\n";
2655 {
2656 undef local $/;
2657 $content = <F>;
2658 }
2659 close F;
2660 {
2661 local $@;
2662
2663 @result = ( eval $content );
2664 warn $@ if $@;
2665 }
2666 return wantarray ? @result : $result[0];
2667}
2668
bd5192b1
RL		 2669# configuration reader, evaluates the input file as a perl script and expects
2670# it to fill %targets with target configurations. Those are then added to
2671# %table.
2672sub read_config {
2673 my $fname = shift;
3b6c4b07
RL		 2674 my %targets;
2675
bd5192b1 2676 {
84f32c84
DMSP		 2677 # Protect certain tables from tampering
2678 local %table = ();
bd5192b1 2679
84f32c84 2680 %targets = read_eval_file($fname);
bd5192b1 2681 }
225f980d
RL		 2682 my %preexisting = ();
2683 foreach (sort keys %targets) {
2684 $preexisting{$_} = 1 if $table{$_};
2685 }
2686 die <<"EOF",
2687The following config targets from $fname
2688shadow pre-existing config targets with the same name:
2689EOF
2690 map { " $_\n" } sort keys %preexisting
2691 if %preexisting;
2692
bd5192b1
RL		 2693
2694 # For each target, check that it's configured with a hash table.
2695 foreach (keys %targets) {
84f32c84
DMSP		 2696 if (ref($targets{$_}) ne "HASH") {
2697 if (ref($targets{$_}) eq "") {
2698 warn "Deprecated target configuration for $_, ignoring...\n";
2699 } else {
2700 warn "Misconfigured target configuration for $_ (should be a hash table), ignoring...\n";
2701 }
2702 delete $targets{$_};
2703 } else {
ee9b0bbb
RL		 2704 $targets{$_}->{_conf_fname_int} = add([ $fname ]);
2705 }
bd5192b1
RL		 2706 }
2707
2708 %table = (%table, %targets);
2709
2710}
2711
8483a003
F		 2712# configuration resolver. Will only resolve all the lazy evaluation
2713# codeblocks for the chosen target and all those it inherits from,
bd5192b1
RL		 2714# recursively
2715sub resolve_config {
2716 my $target = shift;
2717 my @breadcrumbs = @_;
2718
c4718849 2719# my $extra_checks = defined($ENV{CONFIGURE_EXTRA_CHECKS});
9c62a279 2720
bd5192b1 2721 if (grep { $_ eq $target } @breadcrumbs) {
84f32c84
DMSP		 2722 die "inherit_from loop! target backtrace:\n "
2723 ,$target,"\n ",join("\n ", @breadcrumbs),"\n";
bd5192b1
RL		 2724 }
2725
2726 if (!defined($table{$target})) {
84f32c84
DMSP		 2727 warn "Warning! target $target doesn't exist!\n";
2728 return ();
bd5192b1
RL		 2729 }
2730 # Recurse through all inheritances. They will be resolved on the
2731 # fly, so when this operation is done, they will all just be a
2732 # bunch of attributes with string values.
2733 # What we get here, though, are keys with references to lists of
2734 # the combined values of them all. We will deal with lists after
2735 # this stage is done.
2736 my %combined_inheritance = ();
2737 if ($table{$target}->{inherit_from}) {
84f32c84
DMSP		 2738 my @inherit_from =
2739 map { ref($_) eq "CODE" ? $_->() : $_ } @{$table{$target}->{inherit_from}};
2740 foreach (@inherit_from) {
2741 my %inherited_config = resolve_config($_, $target, @breadcrumbs);
2742
2743 # 'template' is a marker that's considered private to
2744 # the config that had it.
2745 delete $inherited_config{template};
2746
2747 foreach (keys %inherited_config) {
2748 if (!$combined_inheritance{$_}) {
2749 $combined_inheritance{$_} = [];
2750 }
2751 push @{$combined_inheritance{$_}}, $inherited_config{$_};
2752 }
2753 }
bd5192b1
RL		 2754 }
2755
2756 # We won't need inherit_from in this target any more, since we've
2757 # resolved all the inheritances that lead to this
2758 delete $table{$target}->{inherit_from};
2759
2760 # Now is the time to deal with those lists. Here's the place to
2761 # decide what shall be done with those lists, all based on the
2762 # values of the target we're currently dealing with.
2763 # - If a value is a coderef, it will be executed with the list of
2764 # inherited values as arguments.
2765 # - If the corresponding key doesn't have a value at all or is the
8483a003 2766 # empty string, the inherited value list will be run through the
bd5192b1
RL		 2767 # default combiner (below), and the result becomes this target's
2768 # value.
2769 # - Otherwise, this target's value is assumed to be a string that
2770 # will simply override the inherited list of values.
a26d8be9 2771 my $default_combiner = add();
bd5192b1
RL		 2772
2773 my %all_keys =
84f32c84
DMSP		 2774 map { $_ => 1 } (keys %combined_inheritance,
2775 keys %{$table{$target}});
b0b92a5b
RL		 2776
2777 sub process_values {
84f32c84
DMSP		 2778 my $object = shift;
2779 my $inherited = shift; # Always a [ list ]
2780 my $target = shift;
2781 my $entry = shift;
b0b92a5b 2782
9c62a279
RL		 2783 $add_called = 0;
2784
b0b92a5b
RL		 2785 while(ref($object) eq "CODE") {
2786 $object = $object->(@$inherited);
2787 }
2788 if (!defined($object)) {
2789 return ();
2790 }
2791 elsif (ref($object) eq "ARRAY") {
9c62a279 2792 local $add_called; # To make sure recursive calls don't affect it
b0b92a5b
RL		 2793 return [ map { process_values($_, $inherited, $target, $entry) }
2794 @$object ];
2795 } elsif (ref($object) eq "") {
2796 return $object;
2797 } else {
2798 die "cannot handle reference type ",ref($object)
2799 ," found in target ",$target," -> ",$entry,"\n";
2800 }
2801 }
2802
bd5192b1 2803 foreach (sort keys %all_keys) {
9c62a279 2804 my $previous = $combined_inheritance{$_};
bd5192b1 2805
84f32c84
DMSP		 2806 # Current target doesn't have a value for the current key?
2807 # Assign it the default combiner, the rest of this loop body
2808 # will handle it just like any other coderef.
2809 if (!exists $table{$target}->{$_}) {
2810 $table{$target}->{$_} = $default_combiner;
2811 }
bd5192b1 2812
84f32c84
DMSP		 2813 $table{$target}->{$_} = process_values($table{$target}->{$_},
2814 $combined_inheritance{$_},
2815 $target, $_);
b0b92a5b
RL		 2816 unless(defined($table{$target}->{$_})) {
2817 delete $table{$target}->{$_};
2818 }
c4718849
RL		 2819# if ($extra_checks &&
2820# $previous && !($add_called || $previous ~~ $table{$target}->{$_})) {
2821# warn "$_ got replaced in $target\n";
2822# }
bd5192b1
RL		 2823 }
2824
2825 # Finally done, return the result.
2826 return %{$table{$target}};
2827}
2828
462ba4f6 2829sub usage
84f32c84
DMSP		 2830 {
2831 print STDERR $usage;
2832 print STDERR "\npick os/compiler from:\n";
2833 my $j=0;
2834 my $i;
10a926c1 2835 my $k=0;
84f32c84
DMSP		 2836 foreach $i (sort keys %table)
2837 {
2838 next if $table{$i}->{template};
2839 next if $i =~ /^debug/;
2840 $k += length($i) + 1;
2841 if ($k > 78)
2842 {
2843 print STDERR "\n";
2844 $k=length($i);
2845 }
2846 print STDERR $i . " ";
2847 }
2848 foreach $i (sort keys %table)
2849 {
2850 next if $table{$i}->{template};
2851 next if $i !~ /^debug/;
2852 $k += length($i) + 1;
2853 if ($k > 78)
2854 {
2855 print STDERR "\n";
2856 $k=length($i);
2857 }
2858 print STDERR $i . " ";
2859 }
2860 print STDERR "\n\nNOTE: If in doubt, on Unix-ish systems use './config'.\n";
2861 exit(1);
2862 }
d02b48c6 2863
6d75a83c
RL		 2864sub compiler_predefined {
2865 state %predefined;
41d6e0f3 2866 my $cc = shift;
6d75a83c
RL		 2867
2868 return () if $^O eq 'VMS';
2869
41d6e0f3
AP		 2870 die 'compiler_predefined called without a compiler command'
2871 unless $cc;
6d75a83c 2872
41d6e0f3 2873 if (! $predefined{$cc}) {
6d75a83c 2874
41d6e0f3 2875 $predefined{$cc} = {};
6d75a83c
RL		 2876
2877 # collect compiler pre-defines from gcc or gcc-alike...
2878 open(PIPE, "$cc -dM -E -x c /dev/null 2>&1 |");
2879 while (my $l = <PIPE>) {
2880 $l =~ m/^#define\s+(\w+(?:\(\w+\))?)(?:\s+(.+))?/ or last;
41d6e0f3 2881 $predefined{$cc}->{$1} = $2 // '';
6d75a83c
RL		 2882 }
2883 close(PIPE);
2884 }
2885
41d6e0f3 2886 return %{$predefined{$cc}};
6d75a83c
RL		 2887}
2888
656bbdc6
AP		 2889sub which
2890{
2891 my ($name)=@_;
2892
2893 if (eval { require IPC::Cmd; 1; }) {
2894 IPC::Cmd->import();
2895 return scalar IPC::Cmd::can_run($name);
2896 } else {
2897 # if there is $directories component in splitpath,
2898 # then it's not something to test with $PATH...
2899 return $name if (File::Spec->splitpath($name))[1];
2900
2901 foreach (File::Spec->path()) {
2902 my $fullpath = catfile($_, "$name$target{exe_extension}");
2903 if (-f $fullpath and -x $fullpath) {
2904 return $fullpath;
2905 }
2906 }
2907 }
2908}
2909
7ecdf18d
RL		 2910sub env
2911{
2912 my $name = shift;
ac6ae8a9 2913 my %opts = @_;
7ecdf18d 2914
ac6ae8a9
RL		 2915 unless ($opts{cacheonly}) {
2916 # Note that if $ENV{$name} doesn't exist or is undefined,
2917 # $config{perlenv}->{$name} will be created with the value
2918 # undef. This is intentional.
89bea083 2919
ac6ae8a9
RL		 2920 $config{perlenv}->{$name} = $ENV{$name}
2921 if ! exists $config{perlenv}->{$name};
2922 }
7ecdf18d
RL		 2923 return $config{perlenv}->{$name};
2924}
2925
00ae96ca
RL		 2926# Configuration printer ##############################################
2927
2928sub print_table_entry
2929{
f770d75b
AP		 2930 local $now_printing = shift;
2931 my %target = resolve_config($now_printing);
00ae96ca
RL		 2932 my $type = shift;
2933
2934 # Don't print the templates
2935 return if $target{template};
2936
2937 my @sequence = (
84f32c84
DMSP		 2938 "sys_id",
2939 "cpp",
2940 "cppflags",
2941 "defines",
2942 "includes",
2943 "cc",
2944 "cflags",
84f32c84
DMSP		 2945 "ld",
2946 "lflags",
2947 "loutflag",
2948 "ex_libs",
2949 "bn_ops",
84f32c84
DMSP		 2950 "poly1035_asm_src",
2951 "thread_scheme",
2952 "perlasm_scheme",
2953 "dso_scheme",
2954 "shared_target",
2955 "shared_cflag",
2956 "shared_defines",
2957 "shared_ldflag",
2958 "shared_rcflag",
2959 "shared_extension",
2960 "dso_extension",
2961 "obj_extension",
2962 "exe_extension",
2963 "ranlib",
2964 "ar",
2965 "arflags",
2966 "aroutflag",
2967 "rc",
2968 "rcflags",
2969 "rcoutflag",
2970 "mt",
2971 "mtflags",
2972 "mtinflag",
2973 "mtoutflag",
2974 "multilib",
2975 "build_scheme",
2976 );
00ae96ca
RL		 2977
2978 if ($type eq "TABLE") {
84f32c84
DMSP		 2979 print "\n";
2980 print "*** $now_printing\n";
cb212f23
RL		 2981 foreach (@sequence) {
2982 if (ref($target{$_}) eq "ARRAY") {
2983 printf "\$%-12s = %s\n", $_, join(" ", @{$target{$_}});
2984 } else {
2985 printf "\$%-12s = %s\n", $_, $target{$_};
2986 }
2987 }
00ae96ca 2988 } elsif ($type eq "HASH") {
84f32c84
DMSP		 2989 my $largest =
2990 length((sort { length($a) <=> length($b) } @sequence)[-1]);
2991 print " '$now_printing' => {\n";
2992 foreach (@sequence) {
2993 if ($target{$_}) {
cb212f23
RL		 2994 if (ref($target{$_}) eq "ARRAY") {
2995 print " '",$_,"'"," " x ($largest - length($_))," => [ ",join(", ", map { "'$_'" } @{$target{$_}})," ],\n";
2996 } else {
2997 print " '",$_,"'"," " x ($largest - length($_))," => '",$target{$_},"',\n";
2998 }
84f32c84
DMSP		 2999 }
3000 }
3001 print " },\n";
00ae96ca
RL		 3002 }
3003}
3004
3005# Utility routines ###################################################
3006
2e963849
RL		 3007# On VMS, if the given file is a logical name, File::Spec::Functions
3008# will consider it an absolute path. There are cases when we want a
3009# purely syntactic check without checking the environment.
3010sub isabsolute {
3011 my $file = shift;
3012
3013 # On non-platforms, we just use file_name_is_absolute().
3014 return file_name_is_absolute($file) unless $^O eq "VMS";
3015
69687aa8 3016 # If the file spec includes a device or a directory spec,
2e963849
RL		 3017 # file_name_is_absolute() is perfectly safe.
3018 return file_name_is_absolute($file) if $file =~ m|[:\[]|;
3019
3020 # Here, we know the given file spec isn't absolute
3021 return 0;
3022}
3023
ec182ef0
RL		 3024# Makes a directory absolute and cleans out /../ in paths like foo/../bar
3025# On some platforms, this uses rel2abs(), while on others, realpath() is used.
3026# realpath() requires that at least all path components except the last is an
3027# existing directory. On VMS, the last component of the directory spec must
3028# exist.
3029sub absolutedir {
3030 my $dir = shift;
3031
3032 # realpath() is quite buggy on VMS. It uses LIB$FID_TO_NAME, which
3033 # will return the volume name for the device, no matter what. Also,
3034 # it will return an incorrect directory spec if the argument is a
3035 # directory that doesn't exist.
3036 if ($^O eq "VMS") {
3037 return rel2abs($dir);
3038 }
3039
3040 # We use realpath() on Unix, since no other will properly clean out
3041 # a directory spec.
3042 use Cwd qw/realpath/;
3043
3044 return realpath($dir);
3045}
3046
fe05264e
RL		 3047sub quotify {
3048 my %processors = (
84f32c84
DMSP		 3049 perl => sub { my $x = shift;
3050 $x =~ s/([\\\$\@"])/\\$1/g;
3051 return '"'.$x.'"'; },
3052 maybeshell => sub { my $x = shift;
3053 (my $y = $x) =~ s/([\\\"])/\\$1/g;
3054 if ($x ne $y || $x =~ m|\s|) {
3055 return '"'.$y.'"';
3056 } else {
3057 return $x;
3058 }
3059 },
3060 );
fe05264e
RL		 3061 my $for = shift;
3062 my $processor =
84f32c84 3063 defined($processors{$for}) ? $processors{$for} : sub { shift; };
fe05264e 3064
2110febb 3065 return map { $processor->($_); } @_;
fe05264e 3066}
107b5792 3067
9fe2bb77
RL		 3068# collect_from_file($filename, $line_concat_cond_re, $line_concat)
3069# $filename is a file name to read from
3070# $line_concat_cond_re is a regexp detecting a line continuation ending
3071# $line_concat is a CODEref that takes care of concatenating two lines
3072sub collect_from_file {
3073 my $filename = shift;
3074 my $line_concat_cond_re = shift;
3075 my $line_concat = shift;
3076
3077 open my $fh, $filename || die "unable to read $filename: $!\n";
3078 return sub {
3079 my $saved_line = "";
3080 $_ = "";
3081 while (<$fh>) {
04f171c0 3082 s|\R$||;
9fe2bb77
RL		 3083 if (defined $line_concat) {
3084 $_ = $line_concat->($saved_line, $_);
3085 $saved_line = "";
3086 }
3087 if (defined $line_concat_cond_re && /$line_concat_cond_re/) {
3088 $saved_line = $_;
3089 next;
3090 }
3091 return $_;
3092 }
3093 die "$filename ending with continuation line\n" if $_;
3094 close $fh;
3095 return undef;
3096 }
3097}
3098
3099# collect_from_array($array, $line_concat_cond_re, $line_concat)
3100# $array is an ARRAYref of lines
3101# $line_concat_cond_re is a regexp detecting a line continuation ending
3102# $line_concat is a CODEref that takes care of concatenating two lines
3103sub collect_from_array {
3104 my $array = shift;
3105 my $line_concat_cond_re = shift;
3106 my $line_concat = shift;
3107 my @array = (@$array);
3108
3109 return sub {
3110 my $saved_line = "";
3111 $_ = "";
3112 while (defined($_ = shift @array)) {
04f171c0 3113 s|\R$||;
9fe2bb77
RL		 3114 if (defined $line_concat) {
3115 $_ = $line_concat->($saved_line, $_);
3116 $saved_line = "";
3117 }
3118 if (defined $line_concat_cond_re && /$line_concat_cond_re/) {
3119 $saved_line = $_;
3120 next;
3121 }
3122 return $_;
3123 }
3124 die "input text ending with continuation line\n" if $_;
3125 return undef;
3126 }
3127}
3128
3129# collect_information($lineiterator, $line_continue, $regexp => $CODEref, ...)
3130# $lineiterator is a CODEref that delivers one line at a time.
107b5792
RL		 3131# All following arguments are regex/CODEref pairs, where the regexp detects a
3132# line and the CODEref does something with the result of the regexp.
3133sub collect_information {
9fe2bb77 3134 my $lineiterator = shift;
107b5792
RL		 3135 my %collectors = @_;
3136
9fe2bb77 3137 while(defined($_ = $lineiterator->())) {
04f171c0 3138 s|\R$||;
9fe2bb77 3139 my $found = 0;
2b6b606c
RL		 3140 if ($collectors{"BEFORE"}) {
3141 $collectors{"BEFORE"}->($_);
3142 }
9fe2bb77 3143 foreach my $re (keys %collectors) {
2b6b606c 3144 if ($re !~ /^OTHERWISE|BEFORE|AFTER$/ && /$re/) {
9fe2bb77
RL		 3145 $collectors{$re}->($lineiterator);
3146 $found = 1;
3147 };
3148 }
3149 if ($collectors{"OTHERWISE"}) {
3150 $collectors{"OTHERWISE"}->($lineiterator, $_)
3151 unless $found || !defined $collectors{"OTHERWISE"};
3152 }
2b6b606c
RL		 3153 if ($collectors{"AFTER"}) {
3154 $collectors{"AFTER"}->($_);
3155 }
107b5792 3156 }
107b5792 3157}
ce959812
RL		 3158
3159# tokenize($line)
5d3af259 3160# tokenize($line,$separator)
ce959812 3161# $line is a line of text to split up into tokens
5d3af259
RL		 3162# $separator [optional] is a regular expression that separates the tokens,
3163# the default being spaces. Do not use quotes of any kind as separators,
3164# that will give undefined results.
3165# Returns a list of tokens.
ce959812 3166#
5d3af259
RL		 3167# Tokens are divided by separator (spaces by default). If the tokens include
3168# the separators, they have to be quoted with single or double quotes.
3169# Double quotes inside a double quoted token must be escaped. Escaping is done
ce959812
RL		 3170# with backslash.
3171# Basically, the same quoting rules apply for " and ' as in any
3172# Unix shell.
3173sub tokenize {
3174 my $line = my $debug_line = shift;
5d3af259 3175 my $separator = shift // qr|\s+|;
ce959812
RL		 3176 my @result = ();
3177
5d3af259
RL		 3178 if ($ENV{CONFIGURE_DEBUG_TOKENIZE}) {
3179 print STDERR "DEBUG[tokenize]: \$separator = $separator\n";
3180 }
3181
3182 while ($line =~ s|^${separator}||, $line ne "") {
ce959812 3183 my $token = "";
5d3af259
RL		 3184 again:
3185 $line =~ m/^(.*?)(${separator}|"|'|$)/;
3186 $token .= $1;
3187 $line = $2.$';
3188
3189 if ($line =~ m/^"((?:[^"\\]+|\\.)*)"/) {
3190 $token .= $1;
3191 $line = $';
3192 goto again;
3193 } elsif ($line =~ m/^'([^']*)'/) {
3194 $token .= $1;
3195 $line = $';
3196 goto again;
ce959812
RL		 3197 }
3198 push @result, $token;
3199 }
3200
3201 if ($ENV{CONFIGURE_DEBUG_TOKENIZE}) {
5d3af259
RL		 3202 print STDERR "DEBUG[tokenize]: Parsed '$debug_line' into:\n";
3203 print STDERR "DEBUG[tokenize]: ('", join("', '", @result), "')\n";
ce959812
RL		 3204 }
3205 return @result;
3206}
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