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de17db91 1#! /usr/bin/env perl
f4d8f037 2# -*- mode: perl; -*-
ac3d0e13
RS		 3# Copyright 2016 The OpenSSL Project Authors. All Rights Reserved.
4#
5# Licensed under the OpenSSL license (the "License"). You may not use
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
9f519add 12require 5.10.0;
1641cb60 13use strict;
141d7325 14use Config;
f09e7ca9 15use File::Basename;
85152ca4 16use File::Spec::Functions qw/:DEFAULT abs2rel rel2abs/;
dca99383 17use File::Path qw/mkpath/;
23049aa5 18use if $^O ne "VMS", 'File::Glob' => qw/glob/;
1641cb60 19
22a4f969 20# see INSTALL for instructions.
462ba4f6 21
e4ef2e25 22my $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-dso] [no-egd] [sctp] [386] [--prefix=DIR] [--openssldir=OPENSSLDIR] [--with-xxx[=vvv]] [--config=FILE] os/compiler[:flags]\n";
462ba4f6 23
434c5dd3 24# Options:
e5f3045f 25#
f09e7ca9
RS		 26# --config add the given configuration file, which will be read after
27# any "Configurations*" files that are found in the same
28# directory as this script.
d74dfafd
RL		 29# --prefix prefix for the OpenSSL installation, which includes the
30# directories bin, lib, include, share/man, share/doc/openssl
31# This becomes the value of INSTALLTOP in Makefile
32# (Default: /usr/local)
33# --openssldir OpenSSL data area, such as openssl.cnf, certificates and keys.
34# If it's a relative directory, it will be added on the directory
35# given with --prefix.
36# This becomes the value of OPENSSLDIR in Makefile and in C.
37# (Default: PREFIX/ssl)
e5f3045f 38#
cbfb39d1
AP		 39# --cross-compile-prefix Add specified prefix to binutils components.
40#
98186eb4
VD		 41# --api One of 0.9.8, 1.0.0 or 1.1.0. Do not compile support for
42# interfaces deprecated as of the specified OpenSSL version.
43#
5270e702
RL		 44# no-hw-xxx do not compile support for specific crypto hardware.
45# Generic OpenSSL-style methods relating to this support
46# are always compiled but return NULL if the hardware
47# support isn't compiled.
48# no-hw do not compile support for any crypto hardware.
5f8d5c96
BM		 49# [no-]threads [don't] try to create a library that is suitable for
50# multithreaded applications (default is "threads" if we
51# know how to do it)
fcc6a1c4 52# [no-]shared [don't] try to create shared libraries when supported.
ae48242c 53# [no-]pic [don't] try to build position independent code when supported.
45b71abe 54# If disabled, it also disables shared and dynamic-engine.
a723979d 55# no-asm do not use assembler
bc2aadad
GT		 56# no-dso do not compile in any native shared-library methods. This
57# will ensure that all methods just return NULL.
0423f812 58# no-egd do not compile support for the entropy-gathering daemon APIs
e452de9d
RL		 59# [no-]zlib [don't] compile support for zlib compression.
60# zlib-dynamic Like "zlib", but the zlib library is expected to be a shared
61# library and will be loaded in run-time by the OpenSSL library.
7e159e01 62# sctp include SCTP support
22a4f969 63# 386 generate 80386 code
8b1a5af3
MC		 64# enable-weak-ssl-ciphers
65# Enable weak ciphers that are disabled by default. This currently
66# only includes RC4 based ciphers.
d0590fe6 67# no-sse2 disables IA-32 SSE2 code, above option implies no-sse2
79df9d62 68# no-<cipher> build without specified algorithm (rsa, idea, rc5, ...)
fce0ba5f 69# -<xxx> +<xxx> compiler options are passed through
047d97af
AP		 70# -static while -static is also a pass-through compiler option (and
71# as such is limited to environments where it's actually
72# meaningful), it triggers a number configuration options,
73# namely no-dso, no-pic, no-shared and no-threads. It is
74# argued that the only reason to produce statically linked
75# binaries (and in context it means executables linked with
76# -static flag, and not just executables linked with static
77# libcrypto.a) is to eliminate dependency on specific run-time,
78# a.k.a. libc version. The mentioned config options are meant
79# to achieve just that. Unfortunately on Linux it's impossible
80# to eliminate the dependency completely for openssl executable
81# because of getaddrinfo and gethostbyname calls, which can
82# invoke dynamically loadable library facility anyway to meet
83# the lookup requests. For this reason on Linux statically
84# linked openssl executable has rather debugging value than
85# production quality.
e41c8d6a
GT		 86#
87# DEBUG_SAFESTACK use type-safe stacks to enforce type-safety on stack items
88# provided to stack calls. Generates unique stack functions for
89# each possible stack type.
d02b48c6 90# BN_LLONG use the type 'long long' in crypto/bn/bn.h
d02b48c6 91# RC4_CHAR use 'char' instead of 'int' for RC4_INT in crypto/rc4/rc4.h
d0590fe6
AP		 92# Following are set automatically by this script
93#
8483a003
F		 94# MD5_ASM use some extra md5 assembler,
95# SHA1_ASM use some extra sha1 assembler, must define L_ENDIAN for x86
96# RMD160_ASM use some extra ripemd160 assembler,
d0590fe6
AP		 97# SHA256_ASM sha256_block is implemented in assembler
98# SHA512_ASM sha512_block is implemented in assembler
28bd8e94 99# AES_ASM AES_[en|de]crypt is implemented in assembler
d02b48c6 100
363bd0b4 101# Minimum warning options... any contributions to OpenSSL should at least get
fce0ba5f 102# past these.
363bd0b4 103
463a7b8c
AP		 104# DEBUG_UNUSED enables __owur (warn unused result) checks.
105my $gcc_devteam_warn = "-DDEBUG_UNUSED"
106 # -DPEDANTIC complements -pedantic and is meant to mask code that
f430ba31 107 # is not strictly standard-compliant and/or implementation-specific,
463a7b8c
AP		 108 # e.g. inline assembly, disregards to alignment requirements, such
109 # that -pedantic would complain about. Incidentally -DPEDANTIC has
110 # to be used even in sanitized builds, because sanitizer too is
111 # supposed to and does take notice of non-standard behaviour. Then
112 # -pedantic with pre-C9x compiler would also complain about 'long
113 # long' not being supported. As 64-bit algorithms are common now,
114 # it grew impossible to resolve this without sizeable additional
115 # code, so we just tell compiler to be pedantic about everything
116 # but 'long long' type.
f3b3d7f0 117 . " -Wswitch"
463a7b8c 118 . " -DPEDANTIC -pedantic -Wno-long-long"
8bccbce5 119 . " -Wall"
8bccbce5
RS		 120 . " -Wsign-compare"
121 . " -Wmissing-prototypes"
122 . " -Wshadow"
123 . " -Wformat"
124 . " -Wtype-limits"
125 . " -Werror"
126 ;
363bd0b4 127
190c8c60
BL		 128# These are used in addition to $gcc_devteam_warn when the compiler is clang.
129# TODO(openssl-team): fix problems and investigate if (at least) the
480405e4 130# following warnings can also be enabled:
8bccbce5
RS		 131# -Wcast-align
132# -Wunreachable-code
a773b52a
RS		 133# -Wlanguage-extension-token -- no, we use asm()
134# -Wunused-macros -- no, too tricky for BN and _XOPEN_SOURCE etc
135# -Wextended-offsetof -- no, needed in CMS ASN1 code
8bccbce5
RS		 136my $clang_devteam_warn = ""
137 . " -Qunused-arguments"
138 . " -Wextra"
f3b3d7f0 139 . " -Wswitch -Wswitch-default"
8bccbce5
RS		 140 . " -Wno-unused-parameter"
141 . " -Wno-missing-field-initializers"
142 . " -Wno-language-extension-token"
143 . " -Wno-extended-offsetof"
144 . " -Wconditional-uninitialized"
145 . " -Wincompatible-pointer-types-discards-qualifiers"
146 . " -Wmissing-variable-declarations"
147 ;
cb2bc054 148
ef8ca6bd
RL		 149# This adds backtrace information to the memory leak info. Is only used
150# when crypto-mdebug-backtrace is enabled.
151my $memleak_devteam_backtrace = "-rdynamic";
a1d3f3d1 152
0c28f277
DSH		 153my $strict_warnings = 0;
154
b7efa56a 155# As for $BSDthreads. Idea is to maintain "collective" set of flags,
fce0ba5f 156# which would cover all BSD flavors. -pthread applies to them all,
b7efa56a
AP		 157# but is treated differently. OpenBSD expands is as -D_POSIX_THREAD
158# -lc_r, which is sufficient. FreeBSD 4.x expands it as -lc_r,
159# which has to be accompanied by explicit -D_THREAD_SAFE and
160# sometimes -D_REENTRANT. FreeBSD 5.x expands it as -lc_r, which
161# seems to be sufficient?
9c62a279 162our $BSDthreads="-pthread -D_THREAD_SAFE -D_REENTRANT";
d02b48c6 163
98186eb4 164#
f430ba31 165# API compatibility name to version number mapping.
98186eb4
VD		 166#
167my $maxapi = "1.1.0"; # API for "no-deprecated" builds
168my $apitable = {
169 "1.1.0" => "0x10100000L",
170 "1.0.0" => "0x10000000L",
171 "0.9.8" => "0x00908000L",
172};
173
9e0724a1 174our %table = ();
291e94df 175our %config = ();
98fdbce0 176our %withargs = ();
3e83e686 177
bd5192b1 178# Forward declarations ###############################################
7ead0c89 179
bd5192b1
RL		 180# read_config(filename)
181#
182# Reads a configuration file and populates %table with the contents
183# (which the configuration file places in %targets).
184sub read_config;
7d46b942 185
bd5192b1
RL		 186# resolve_config(target)
187#
8483a003 188# Resolves all the late evaluations, inheritances and so on for the
bd5192b1
RL		 189# chosen target and any target it inherits from.
190sub resolve_config;
7d46b942 191
15c7adb0 192
107b5792
RL		 193# Information collection #############################################
194
9fe2bb77 195# Unified build supports separate build dir
ec182ef0
RL		 196my $srcdir = catdir(absolutedir(dirname($0))); # catdir ensures local syntax
197my $blddir = catdir(absolutedir(".")); # catdir ensures local syntax
9fe2bb77
RL		 198my $dofile = abs2rel(catfile($srcdir, "util/dofile.pl"));
199
b5293d4c
RL		 200my $local_config_envname = 'OPENSSL_LOCAL_CONFIG_DIR';
201
9fe2bb77
RL		 202$config{sourcedir} = abs2rel($srcdir);
203$config{builddir} = abs2rel($blddir);
204
ee4cdb7f
RL		 205# Collect reconfiguration information if needed
206my @argvcopy=@ARGV;
207
208if (grep /^reconf(igure)?$/, @argvcopy) {
209 if (-f "./configdata.pm") {
210 my $file = "./configdata.pm";
211 unless (my $return = do $file) {
212 die "couldn't parse $file: $@" if $@;
213 die "couldn't do $file: $!" unless defined $return;
214 die "couldn't run $file" unless $return;
215 }
216
217 @argvcopy = defined($configdata::config{perlargv}) ?
218 @{$configdata::config{perlargv}} : ();
219 die "Incorrect data to reconfigure, please do a normal configuration\n"
220 if (grep(/^reconf/,@argvcopy));
221 $ENV{CROSS_COMPILE} = $configdata::config{cross_compile_prefix}
222 if defined($configdata::config{cross_compile_prefix});
223 $ENV{CC} = $configdata::config{cc}
224 if defined($configdata::config{cc});
ea241958
RL		 225 $ENV{CXX} = $configdata::config{cxx}
226 if defined($configdata::config{cxx});
ee4cdb7f
RL		 227 $ENV{BUILDFILE} = $configdata::config{build_file}
228 if defined($configdata::config{build_file});
229 $ENV{$local_config_envname} = $configdata::config{local_config_dir}
230 if defined($configdata::config{local_config_dir});
231
232 print "Reconfiguring with: ", join(" ",@argvcopy), "\n";
233 print " CROSS_COMPILE = ",$ENV{CROSS_COMPILE},"\n"
234 if $ENV{CROSS_COMPILE};
235 print " CC = ",$ENV{CC},"\n" if $ENV{CC};
ea241958 236 print " CXX = ",$ENV{CXX},"\n" if $ENV{CXX};
ee4cdb7f
RL		 237 print " BUILDFILE = ",$ENV{BUILDFILE},"\n" if $ENV{BUILDFILE};
238 print " $local_config_envname = ",$ENV{$local_config_envname},"\n"
239 if $ENV{$local_config_envname};
240 } else {
241 die "Insufficient data to reconfigure, please do a normal configuration\n";
242 }
243}
244
245$config{perlargv} = [ @argvcopy ];
246
107b5792
RL		 247# Collect version numbers
248$config{version} = "unknown";
249$config{version_num} = "unknown";
250$config{shlib_version_number} = "unknown";
251$config{shlib_version_history} = "unknown";
252
253collect_information(
9fe2bb77 254 collect_from_file(catfile($srcdir,'include/openssl/opensslv.h')),
107b5792
RL		 255 qr/OPENSSL.VERSION.TEXT.*OpenSSL (\S+) / => sub { $config{version} = $1; },
256 qr/OPENSSL.VERSION.NUMBER.*(0x\S+)/ => sub { $config{version_num}=$1 },
257 qr/SHLIB_VERSION_NUMBER *"([^"]+)"/ => sub { $config{shlib_version_number}=$1 },
258 qr/SHLIB_VERSION_HISTORY *"([^"]*)"/ => sub { $config{shlib_version_history}=$1 }
259 );
260if ($config{shlib_version_history} ne "") { $config{shlib_version_history} .= ":"; }
261
262($config{major}, $config{minor})
263 = ($config{version} =~ /^([0-9]+)\.([0-9\.]+)/);
264($config{shlib_major}, $config{shlib_minor})
265 = ($config{shlib_version_number} =~ /^([0-9]+)\.([0-9\.]+)/);
266die "erroneous version information in opensslv.h: ",
267 "$config{major}, $config{minor}, $config{shlib_major}, $config{shlib_minor}\n"
268 if ($config{major} eq "" || $config{minor} eq ""
269 || $config{shlib_major} eq "" || $config{shlib_minor} eq "");
270
271# Collect target configurations
272
85152ca4 273my $pattern = catfile(dirname($0), "Configurations", "*.conf");
97855556 274foreach (sort glob($pattern)) {
f09e7ca9
RS		 275 &read_config($_);
276}
d02b48c6 277
b5293d4c
RL		 278if (defined $ENV{$local_config_envname}) {
279 if ($^O eq 'VMS') {
280 # VMS environment variables are logical names,
281 # which can be used as is
282 $pattern = $local_config_envname . ':' . '*.conf';
283 } else {
284 $pattern = catfile($ENV{$local_config_envname}, '*.conf');
285 }
286
97855556 287 foreach (sort glob($pattern)) {
b5293d4c
RL		 288 &read_config($_);
289 }
290}
291
291e94df 292
107b5792
RL		 293print "Configuring OpenSSL version $config{version} (0x$config{version_num})\n";
294
291e94df
RL		 295$config{prefix}="";
296$config{openssldir}="";
7d130f68 297$config{processor}="";
107b5792 298$config{libdir}="";
642a6138 299$config{cross_compile_prefix}="";
107b5792 300$config{fipslibdir}="/usr/local/ssl/fips-2.0/lib/";
1ab2f7f1 301my $nofipscanistercheck=0;
107b5792 302$config{baseaddr}="0xFB00000";
9c62a279 303my $auto_threads=1; # enable threads automatically? true by default
0396479d 304my $default_ranlib;
107b5792
RL		 305$config{fips}=0;
306
307# Top level directories to build
342a1a23 308$config{dirs} = [ "crypto", "ssl", "engines", "apps", "test", "util", "tools", "fuzz" ];
107b5792
RL		 309# crypto/ subdirectories to build
310$config{sdirs} = [
311 "objects",
2d0b4412 312 "md2", "md4", "md5", "sha", "mdc2", "hmac", "ripemd", "whrlpool", "poly1305", "blake2",
107b5792
RL		 313 "des", "aes", "rc2", "rc4", "rc5", "idea", "bf", "cast", "camellia", "seed", "chacha", "modes",
314 "bn", "ec", "rsa", "dsa", "dh", "dso", "engine",
315 "buffer", "bio", "stack", "lhash", "rand", "err",
316 "evp", "asn1", "pem", "x509", "x509v3", "conf", "txt_db", "pkcs7", "pkcs12", "comp", "ocsp", "ui",
dba31777 317 "cms", "ts", "srp", "cmac", "ct", "async", "kdf"
107b5792 318 ];
99aab161 319
6b01bed2
VD		 320# Known TLS and DTLS protocols
321my @tls = qw(ssl3 tls1 tls1_1 tls1_2);
322my @dtls = qw(dtls1 dtls1_2);
323
8483a003 324# Explicitly known options that are possible to disable. They can
8b527be2
RL		 325# be regexps, and will be used like this: /^no-${option}$/
326# For developers: keep it sorted alphabetically
327
328my @disablables = (
c91a0a83 329 "afalgeng",
c38bb727 330 "asan",
8b527be2 331 "asm",
52739e40 332 "async",
b184e3ef 333 "autoalginit",
498abff0 334 "autoerrinit",
8b527be2 335 "bf",
2d0b4412 336 "blake2",
8b527be2
RL		 337 "camellia",
338 "capieng",
339 "cast",
48f14845 340 "chacha",
8b527be2
RL		 341 "cmac",
342 "cms",
343 "comp",
3e45d393 344 "crypto-mdebug",
ef8ca6bd 345 "crypto-mdebug-backtrace",
8b527be2
RL		 346 "ct",
347 "deprecated",
348 "des",
349 "dgram",
350 "dh",
351 "dsa",
352 "dso",
a5ecdc6a 353 "dtls",
343ec2b0 354 "dynamic-engine",
8b527be2
RL		 355 "ec",
356 "ec2m",
6b01bed2
VD		 357 "ecdh",
358 "ecdsa",
8b527be2 359 "ec_nistp_64_gcc_128",
b31feae6 360 "egd",
8b527be2 361 "engine",
1288f26f 362 "err",
02f7114a 363 "filenames",
f59d0131
KR		 364 "fuzz-libfuzzer",
365 "fuzz-afl",
168c3b73 366 "gost",
8b527be2 367 "heartbeats",
8b527be2
RL		 368 "hw(-.+)?",
369 "idea",
09aa263a 370 "makedepend",
8b527be2
RL		 371 "md2",
372 "md4",
8b527be2 373 "mdc2",
29df3061 374 "msan",
fa22f98f 375 "multiblock",
8b527be2
RL		 376 "nextprotoneg",
377 "ocb",
378 "ocsp",
ae48242c 379 "pic",
48f14845 380 "poly1305",
8b527be2
RL		 381 "posix-io",
382 "psk",
383 "rc2",
384 "rc4",
385 "rc5",
386 "rdrand",
387 "rfc3779",
8b527be2 388 "rmd160",
8b527be2 389 "scrypt",
8b527be2
RL		 390 "sctp",
391 "seed",
8b527be2
RL		 392 "shared",
393 "sock",
394 "srp",
395 "srtp",
396 "sse2",
397 "ssl",
8b527be2
RL		 398 "ssl-trace",
399 "static-engine",
400 "stdio",
8b527be2
RL		 401 "threads",
402 "tls",
1288f26f 403 "ts",
c38bb727 404 "ubsan",
1288f26f 405 "ui",
8b527be2
RL		 406 "unit-test",
407 "whirlpool",
8b1a5af3 408 "weak-ssl-ciphers",
8b527be2
RL		 409 "zlib",
410 "zlib-dynamic",
411 );
6b01bed2
VD		 412foreach my $proto ((@tls, @dtls))
413 {
414 push(@disablables, $proto);
415 push(@disablables, "$proto-method");
416 }
8b527be2 417
2b1343b9
MC		 418my %deprecated_disablables = (
419 "ssl2" => undef,
420 "buf-freelists" => undef,
421 "ripemd" => "rmd160"
e80381e1
RL		 422 );
423
c9a112f5
BM		 424# All of the following is disabled by default (RC5 was enabled before 0.9.8):
425
9e04edf2 426our %disabled = ( # "what" => "comment"
c38bb727 427 "asan" => "default",
a9c27fe1
BK		 428 "crypto-mdebug" => "default",
429 "crypto-mdebug-backtrace" => "default",
9e04edf2 430 "ec_nistp_64_gcc_128" => "default",
8b1a5af3 431 "egd" => "default",
f59d0131
KR		 432 "fuzz-libfuzzer" => "default",
433 "fuzz-afl" => "default",
a9c27fe1 434 "heartbeats" => "default",
8b1a5af3 435 "md2" => "default",
29df3061 436 "msan" => "default",
8b1a5af3
MC		 437 "rc5" => "default",
438 "sctp" => "default",
8b1a5af3 439 "ssl-trace" => "default",
9829b5ab
KR		 440 "ssl3" => "default",
441 "ssl3-method" => "default",
c38bb727 442 "ubsan" => "default",
8b1a5af3
MC		 443 "unit-test" => "default",
444 "weak-ssl-ciphers" => "default",
445 "zlib" => "default",
446 "zlib-dynamic" => "default",
9e04edf2 447 );
c9a112f5 448
c569e206
RL		 449# Note: => pair form used for aesthetics, not to truly make a hash table
450my @disable_cascades = (
451 # "what" => [ "cascade", ... ]
7d130f68 452 sub { $config{processor} eq "386" }
c569e206
RL		 453 => [ "sse2" ],
454 "ssl" => [ "ssl3" ],
455 "ssl3-method" => [ "ssl3" ],
456 "zlib" => [ "zlib-dynamic" ],
c569e206 457 "des" => [ "mdc2" ],
9e4d6fbf 458 "ec" => [ "ecdsa", "ecdh" ],
c569e206 459
3fd4d211 460 "dgram" => [ "dtls", "sctp" ],
505f74ca 461 "sock" => [ "dgram" ],
c569e206
RL		 462 "dtls" => [ @dtls ],
463
464 # SSL 3.0, (D)TLS 1.0 and TLS 1.1 require MD5 and SHA
465 "md5" => [ "ssl", "tls1", "tls1_1", "dtls1" ],
466 "sha" => [ "ssl", "tls1", "tls1_1", "dtls1" ],
467
468 # Additionally, SSL 3.0 requires either RSA or DSA+DH
469 sub { $disabled{rsa}
470 && ($disabled{dsa} || $disabled{dh}); }
471 => [ "ssl" ],
472
473 # (D)TLS 1.0 and TLS 1.1 also require either RSA or DSA+DH
474 # or ECDSA + ECDH. (D)TLS 1.2 has this requirement as well.
475 # (XXX: We don't support PSK-only builds).
476 sub { $disabled{rsa}
477 && ($disabled{dsa} || $disabled{dh})
478 && ($disabled{ecdsa} || $disabled{ecdh}); }
479 => [ "tls1", "tls1_1", "tls1_2",
480 "dtls1", "dtls1_2" ],
481
482 "tls" => [ @tls ],
483
484 # SRP and HEARTBEATS require TLSEXT
485 "tlsext" => [ "srp", "heartbeats" ],
ef8ca6bd
RL		 486
487 "crypto-mdebug" => [ "crypto-mdebug-backtrace" ],
343ec2b0
RL		 488
489 # Without DSO, we can't load dynamic engines, so don't build them dynamic
490 "dso" => [ "dynamic-engine" ],
ae48242c
RL		 491
492 # Without position independent code, there can be no shared libraries or DSOs
00698061
RL		 493 "pic" => [ "shared" ],
494 "shared" => [ "dynamic-engine" ],
c91a0a83 495 "engine" => [ "afalgeng" ],
d90a6beb
MC		 496
497 # no-autoalginit is only useful when building non-shared
498 "autoalginit" => [ "shared", "apps" ],
499
25d498c1 500 "stdio" => [ "apps", "capieng" ],
d90a6beb 501 "apps" => [ "tests" ],
b8ce6dda 502 "comp" => [ "zlib" ],
686c86a4 503 sub { !$disabled{"unit-test"} } => [ "heartbeats" ],
29df3061
EK		 504
505 sub { !$disabled{"msan"} } => [ "asm" ],
c569e206
RL		 506 );
507
508# Avoid protocol support holes. Also disable all versions below N, if version
509# N is disabled while N+1 is enabled.
510#
511my @list = (reverse @tls);
512while ((my $first, my $second) = (shift @list, shift @list)) {
513 last unless @list;
514 push @disable_cascades, ( sub { !$disabled{$first} && $disabled{$second} }
515 => [ @list ] );
516 unshift @list, $second;
517}
518my @list = (reverse @dtls);
519while ((my $first, my $second) = (shift @list, shift @list)) {
520 last unless @list;
521 push @disable_cascades, ( sub { !$disabled{$first} && $disabled{$second} }
522 => [ @list ] );
523 unshift @list, $second;
524}
525
7a762197 526# Explicit "no-..." options will be collected in %disabled along with the defaults.
e4ef2e25 527# To remove something from %disabled, use "enable-foo".
7a762197
BM		 528# For symmetry, "disable-foo" is a synonym for "no-foo".
529
d0590fe6 530my $no_sse2=0;
b6e4dac2 531
462ba4f6 532&usage if ($#ARGV < 0);
d02b48c6 533
bcb1977b
RL		 534my $user_cflags="";
535my @user_defines=();
7d130f68
RL		 536$config{openssl_api_defines}=[];
537$config{openssl_algorithm_defines}=[];
538$config{openssl_thread_defines}=[];
539$config{openssl_sys_defines}=[];
540$config{openssl_other_defines}=[];
fe05264e
RL		 541my $libs="";
542my $target="";
3fa04f0d 543$config{options}="";
8864f0de 544$config{build_type} = "release";
c59cb511 545
fe05264e 546my %unsupported_options = ();
e80381e1 547my %deprecated_options = ();
fe05264e 548foreach (@argvcopy)
16b6081e 549 {
7c55e22c
RL		 550 # VMS is a case insensitive environment, and depending on settings
551 # out of our control, we may receive options uppercased. Let's
552 # downcase at least the part before any equal sign.
553 if ($^O eq "VMS")
554 {
555 s/^([^=]*)/lc($1)/e;
556 }
fe05264e 557 s /^-no-/no-/; # some people just can't read the instructions
c9a112f5 558
fe05264e
RL		 559 # rewrite some options in "enable-..." form
560 s /^-?-?shared$/enable-shared/;
561 s /^sctp$/enable-sctp/;
562 s /^threads$/enable-threads/;
563 s /^zlib$/enable-zlib/;
564 s /^zlib-dynamic$/enable-zlib-dynamic/;
c9a112f5 565
e4ef2e25 566 if (/^(no|disable|enable)-(.+)$/)
2b1343b9
MC		 567 {
568 my $word = $2;
569 if (!exists $deprecated_disablables{$word}
570 && !grep { $word =~ /^${_}$/ } @disablables)
571 {
572 $unsupported_options{$_} = 1;
573 next;
574 }
575 }
576 if (/^no-(.+)$/ || /^disable-(.+)$/)
577 {
e4ef2e25
RS		 578 foreach my $proto ((@tls, @dtls))
579 {
580 if ($1 eq "$proto-method")
581 {
582 $disabled{"$proto"} = "option($proto-method)";
583 last;
584 }
585 }
586 if ($1 eq "dtls")
587 {
588 foreach my $proto (@dtls)
589 {
590 $disabled{$proto} = "option(dtls)";
591 }
c5c7700c 592 $disabled{"dtls"} = "option(dtls)";
e4ef2e25
RS		 593 }
594 elsif ($1 eq "ssl")
595 {
596 # Last one of its kind
597 $disabled{"ssl3"} = "option(ssl)";
598 }
599 elsif ($1 eq "tls")
600 {
601 # XXX: Tests will fail if all SSL/TLS
602 # protocols are disabled.
603 foreach my $proto (@tls)
604 {
605 $disabled{$proto} = "option(tls)";
606 }
607 }
343ec2b0
RL		 608 elsif ($1 eq "static-engine")
609 {
19ab5790 610 delete $disabled{"dynamic-engine"};
343ec2b0
RL		 611 }
612 elsif ($1 eq "dynamic-engine")
613 {
19ab5790 614 $disabled{"dynamic-engine"} = "option";
343ec2b0 615 }
2b1343b9
MC		 616 elsif (exists $deprecated_disablables{$1})
617 {
618 $deprecated_options{$_} = 1;
619 if (defined $deprecated_disablables{$1})
620 {
621 $disabled{$deprecated_disablables{$1}} = "option";
622 }
623 }
e4ef2e25
RS		 624 else
625 {
626 $disabled{$1} = "option";
627 }
9c62a279
RL		 628 # No longer an automatic choice
629 $auto_threads = 0 if ($1 eq "threads");
fe05264e 630 }
e4ef2e25 631 elsif (/^enable-(.+)$/)
fe05264e 632 {
343ec2b0
RL		 633 if ($1 eq "static-engine")
634 {
19ab5790 635 $disabled{"dynamic-engine"} = "option";
343ec2b0
RL		 636 }
637 elsif ($1 eq "dynamic-engine")
638 {
19ab5790 639 delete $disabled{"dynamic-engine"};
343ec2b0 640 }
25004db7
RL		 641 elsif ($1 eq "zlib-dynamic")
642 {
643 delete $disabled{"zlib"};
644 }
fe05264e 645 my $algo = $1;
fe05264e 646 delete $disabled{$algo};
c9a112f5 647
9c62a279
RL		 648 # No longer an automatic choice
649 $auto_threads = 0 if ($1 eq "threads");
fe05264e
RL		 650 }
651 elsif (/^--strict-warnings$/)
652 {
653 $strict_warnings = 1;
654 }
655 elsif (/^--debug$/)
656 {
8864f0de 657 $config{build_type} = "debug";
fe05264e
RL		 658 }
659 elsif (/^--release$/)
660 {
8864f0de 661 $config{build_type} = "release";
fe05264e
RL		 662 }
663 elsif (/^386$/)
7d130f68 664 { $config{processor}=386; }
fe05264e
RL		 665 elsif (/^fips$/)
666 {
107b5792 667 $config{fips}=1;
fe05264e
RL		 668 }
669 elsif (/^rsaref$/)
670 {
671 # No RSAref support any more since it's not needed.
672 # The check for the option is there so scripts aren't
673 # broken
674 }
675 elsif (/^nofipscanistercheck$/)
676 {
107b5792 677 $config{fips} = 1;
fe05264e
RL		 678 $nofipscanistercheck = 1;
679 }
680 elsif (/^[-+]/)
681 {
45c6e23c 682 if (/^--prefix=(.*)$/)
fe05264e 683 {
291e94df 684 $config{prefix}=$1;
5482dac9
RL		 685 die "Directory given with --prefix MUST be absolute\n"
686 unless file_name_is_absolute($config{prefix});
c9a112f5 687 }
fe05264e 688 elsif (/^--api=(.*)$/)
0c28f277 689 {
107b5792 690 $config{api}=$1;
0c28f277 691 }
fe05264e 692 elsif (/^--libdir=(.*)$/)
9e43c6b5 693 {
107b5792 694 $config{libdir}=$1;
9e43c6b5 695 }
fe05264e 696 elsif (/^--openssldir=(.*)$/)
9e43c6b5 697 {
291e94df 698 $config{openssldir}=$1;
9e43c6b5 699 }
fe05264e 700 elsif (/^--with-zlib-lib=(.*)$/)
9fdb2cc5 701 {
20a5819f 702 $withargs{zlib_lib}=$1;
7d8bb912 703 }
fe05264e 704 elsif (/^--with-zlib-include=(.*)$/)
3eb0ed6d 705 {
da430a55 706 $withargs{zlib_include}=$1;
462ba4f6 707 }
f59d0131
KR		 708 elsif (/^--with-fuzzer-lib=(.*)$/)
709 {
710 $withargs{fuzzer_lib}=$1;
711 }
712 elsif (/^--with-fuzzer-include=(.*)$/)
713 {
714 $withargs{fuzzer_include}=$1;
715 }
fe05264e 716 elsif (/^--with-fipslibdir=(.*)$/)
1ab2f7f1 717 {
107b5792 718 $config{fipslibdir}="$1/";
1ab2f7f1 719 }
fe05264e 720 elsif (/^--with-baseaddr=(.*)$/)
462ba4f6 721 {
107b5792 722 $config{baseaddr}="$1";
3eb0ed6d 723 }
fe05264e 724 elsif (/^--cross-compile-prefix=(.*)$/)
e5f3045f 725 {
642a6138 726 $config{cross_compile_prefix}=$1;
e5f3045f 727 }
fe05264e 728 elsif (/^--config=(.*)$/)
d02b48c6 729 {
fe05264e 730 read_config $1;
c59cb511 731 }
fe05264e 732 elsif (/^-[lL](.*)$/ or /^-Wl,/)
c9a112f5 733 {
fe05264e 734 $libs.=$_." ";
d02b48c6 735 }
9d46752d
AP		 736 elsif (/^-static$/)
737 {
738 $libs.=$_." ";
047d97af 739 $disabled{"dso"} = "forced";
9d46752d
AP		 740 $disabled{"pic"} = "forced";
741 $disabled{"shared"} = "forced";
742 $disabled{"threads"} = "forced";
743 }
bcb1977b
RL		 744 elsif (/^-D(.*)$/)
745 {
746 push @user_defines, $1;
747 }
fe05264e
RL		 748 else # common if (/^[-+]/), just pass down...
749 {
750 $_ =~ s/%([0-9a-f]{1,2})/chr(hex($1))/gei;
2b91ec75 751 $user_cflags.=" ".$_;
fe05264e
RL		 752 }
753 }
fe05264e
RL		 754 else
755 {
756 die "target already defined - $target (offending arg: $_)\n" if ($target ne "");
757 $target=$_;
758 }
759 unless ($_ eq $target || /^no-/ || /^disable-/)
760 {
761 # "no-..." follows later after implied disactivations
8483a003 762 # have been derived. (Don't take this too seriously,
fe05264e
RL		 763 # we really only write OPTIONS to the Makefile out of
764 # nostalgia.)
765
3fa04f0d
RL		 766 if ($config{options} eq "")
767 { $config{options} = $_; }
fe05264e 768 else
3fa04f0d 769 { $config{options} .= " ".$_; }
fbabb752 770 }
489eb740 771
107b5792
RL		 772 if (defined($config{api}) && !exists $apitable->{$config{api}}) {
773 die "***** Unsupported api compatibility level: $config{api}\n",
98186eb4
VD		 774 }
775
e80381e1
RL		 776 if (keys %deprecated_options)
777 {
778 warn "***** Deprecated options: ",
779 join(", ", keys %deprecated_options), "\n";
780 }
489eb740
RL		 781 if (keys %unsupported_options)
782 {
783 die "***** Unsupported options: ",
784 join(", ", keys %unsupported_options), "\n";
785 }
fbabb752 786 }
b6e4dac2 787
342a1a23
RL		 788if ($libs =~ /(^|\s)-Wl,-rpath,/
789 && !$disabled{shared}
790 && !($disabled{asan} && $disabled{msan} && $disabled{ubsan})) {
791 die "***** Cannot simultaneously use -rpath, shared libraries, and\n",
792 "***** any of asan, msan or ubsan\n";
793}
794
107b5792 795if ($config{fips})
a7a14a23 796 {
c569e206 797 delete $disabled{"shared"} if ($disabled{"shared"} =~ /^default/);
6b01bed2 798 }
107b5792
RL		 799else
800 {
801 @{$config{dirs}} = grep !/^fips$/, @{$config{dirs}};
802 }
c9a112f5 803
c569e206
RL		 804my @tocheckfor = (keys %disabled);
805while (@tocheckfor) {
806 my %new_tocheckfor = ();
807 my @cascade_copy = (@disable_cascades);
808 while (@cascade_copy) {
809 my ($test, $descendents) = (shift @cascade_copy, shift @cascade_copy);
810 if (ref($test) eq "CODE" ? $test->() : defined($disabled{$test})) {
2110febb 811 foreach(grep { !defined($disabled{$_}) } @$descendents) {
01d99976 812 $new_tocheckfor{$_} = 1; $disabled{$_} = "forced";
2110febb 813 }
ef236ec3 814 }
c569e206
RL		 815 }
816 @tocheckfor = (keys %new_tocheckfor);
817}
edc032b5 818
d63c12c6 819our $die = sub { die @_; };
436a376b 820if ($target eq "TABLE") {
d63c12c6 821 local $die = sub { warn @_; };
00ae96ca
RL		 822 foreach (sort keys %table) {
823 print_table_entry($_, "TABLE");
824 }
825 exit 0;
436a376b
BM		 826}
827
10a926c1 828if ($target eq "LIST") {
00ae96ca
RL		 829 foreach (sort keys %table) {
830 print $_,"\n" unless $table{$_}->{template};
831 }
832 exit 0;
10a926c1
UM		 833}
834
aaf878cc 835if ($target eq "HASH") {
d63c12c6 836 local $die = sub { warn @_; };
00ae96ca
RL		 837 print "%table = (\n";
838 foreach (sort keys %table) {
839 print_table_entry($_, "HASH");
840 }
841 exit 0;
aaf878cc
RL		 842}
843
00ae96ca 844# Backward compatibility?
49e04548 845if ($target =~ m/^CygWin32(-.*)$/) {
00ae96ca 846 $target = "Cygwin".$1;
49e04548
RL		 847}
848
c9a112f5
BM		 849foreach (sort (keys %disabled))
850 {
3fa04f0d 851 $config{options} .= " no-$_";
c9a112f5
BM		 852
853 printf " no-%-12s %-10s", $_, "[$disabled{$_}]";
854
855 if (/^dso$/)
721f9058 856 { }
c9a112f5 857 elsif (/^threads$/)
22bfe05e 858 { }
c9a112f5 859 elsif (/^shared$/)
84af1bae 860 { }
ae48242c
RL		 861 elsif (/^pic$/)
862 { }
c9a112f5 863 elsif (/^zlib$/)
36a30909 864 { }
19ab5790 865 elsif (/^dynamic-engine$/)
fbf002bb 866 { }
09aa263a
RL		 867 elsif (/^makedepend$/)
868 { }
c9a112f5
BM		 869 elsif (/^zlib-dynamic$/)
870 { }
c9a112f5
BM		 871 elsif (/^sse2$/)
872 { $no_sse2 = 1; }
107b5792 873 elsif (/^engine$/)
1288f26f
RS		 874 {
875 @{$config{dirs}} = grep !/^engines$/, @{$config{dirs}};
876 @{$config{sdirs}} = grep !/^engine$/, @{$config{sdirs}};
877 push @{$config{openssl_other_defines}}, "OPENSSL_NO_ENGINE";
3e2dd30d 878 print " OPENSSL_NO_ENGINE (skip engines)";
1288f26f 879 }
c9a112f5
BM		 880 else
881 {
3e2dd30d 882 my ($WHAT, $what);
c9a112f5 883
3e2dd30d
RL		 884 ($WHAT = $what = $_) =~ tr/[\-a-z]/[_A-Z]/;
885
886 # Fix up C macro end names
887 $WHAT = "RMD160" if $what eq "ripemd";
888
889 # fix-up crypto/directory name(s)
890 $what = "ripemd" if $what eq "rmd160";
891 $what = "whrlpool" if $what eq "whirlpool";
892
66fe388a
RL		 893 if ($what ne "async" && $what ne "err"
894 && grep { $_ eq $what } @{$config{sdirs}})
c9a112f5 895 {
3e2dd30d
RL		 896 push @{$config{openssl_algorithm_defines}}, "OPENSSL_NO_$WHAT";
897 @{$config{sdirs}} = grep { $_ ne $what} @{$config{sdirs}};
fce0ba5f 898
3e2dd30d 899 print " OPENSSL_NO_$WHAT (skip dir)";
c9a112f5
BM		 900 }
901 else
902 {
3e2dd30d
RL		 903 push @{$config{openssl_other_defines}}, "OPENSSL_NO_$WHAT";
904 print " OPENSSL_NO_$WHAT";
2a4af947 905
3e2dd30d 906 if (/^err$/) { push @user_defines, "OPENSSL_NO_ERR"; }
c9a112f5
BM		 907 }
908 }
909
910 print "\n";
911 }
912
9e0724a1 913print "Configuring for $target\n";
9e0724a1
RL		 914# Support for legacy targets having a name starting with 'debug-'
915my ($d, $t) = $target =~ m/^(debug-)?(.*)$/;
916if ($d) {
8864f0de 917 $config{build_type} = "debug";
9e0724a1
RL		 918
919 # If we do not find debug-foo in the table, the target is set to foo.
920 if (!$table{$target}) {
921 $target = $t;
922 }
923}
291e94df 924$config{target} = $target;
79302211 925my %target = resolve_config($target);
9e0724a1
RL		 926
927&usage if (!%target || $target{template});
928
ee9b0bbb
RL		 929my %conf_files = map { $_ => 1 } (@{$target{_conf_fname_int}});
930$config{conf_files} = [ sort keys %conf_files ];
d2b2221a 931%target = ( %{$table{DEFAULTS}}, %target );
79302211 932
ea241958 933$target{cxxflags}=$target{cflags} unless defined $target{cxxflags};
107b5792 934$target{exe_extension}="";
f99f91f1
RL		 935$target{exe_extension}=".exe" if ($config{target} eq "DJGPP"
936 || $config{target} =~ /^(?:Cygwin|mingw)/);
107b5792 937$target{exe_extension}=".pm" if ($config{target} =~ /vos/);
462ba4f6 938
e987f9f2
RL		 939($target{shared_extension_simple}=$target{shared_extension})
940 =~ s|\.\$\(SHLIB_MAJOR\)\.\$\(SHLIB_MINOR\)||;
941$target{dso_extension}=$target{shared_extension_simple};
942($target{shared_import_extension}=$target{shared_extension_simple}.".a")
943 if ($config{target} =~ /^(?:Cygwin|mingw)/);
944
945
642a6138
RL		 946$config{cross_compile_prefix} = $ENV{'CROSS_COMPILE'}
947 if $config{cross_compile_prefix} eq "";
f99f41cf 948
b0a1e8bf 949# Allow overriding the names of some tools. USE WITH CARE
d513369b
RL		 950# Note: only Unix cares about HASHBANGPERL... that explains
951# the default string.
758baa3d 952$config{perl} = ($^O ne "VMS" ? $^X : "perl");
d513369b
RL		 953$config{hashbangperl} =
954 $ENV{'HASHBANGPERL'} || $ENV{'PERL'} || "/usr/bin/env perl";
b0a1e8bf 955$target{cc} = $ENV{'CC'} || $target{cc} || "cc";
f58a0acb 956$target{ranlib} = $ENV{'RANLIB'} || $target{ranlib} ||
656bbdc6 957 (which("$config{cross_compile_prefix}ranlib") ?
f58a0acb 958 "\$(CROSS_COMPILE)ranlib" : "true");
b0a1e8bf
RL		 959$target{ar} = $ENV{'AR'} || $target{ar} || "ar";
960$target{nm} = $ENV{'NM'} || $target{nm} || "nm";
8f41ff2d
RL		 961$target{rc} =
962 $ENV{'RC'} || $ENV{'WINDRES'} || $target{rc} || "windres";
aaf878cc 963
8b5156d1
RL		 964# Allow overriding the build file name
965$target{build_file} = $ENV{BUILDFILE} || $target{build_file} || "Makefile";
966
967# Cache information necessary for reconfiguration
a66234bc 968$config{cc} = $target{cc};
ea241958 969$config{cxx} = $target{cxx};
8b5156d1 970$config{build_file} = $target{build_file};
a66234bc 971
bcb1977b
RL		 972# For cflags, lflags, plib_lflags, ex_libs and defines, add the debug_
973# or release_ attributes.
aaf878cc 974# Do it in such a way that no spurious space is appended (hence the grep).
2952b9b8
RL		 975$config{defines} = [];
976$config{cflags} = "";
ea241958 977$config{cxxflags} = "";
2952b9b8
RL		 978$config{ex_libs} = "";
979$config{shared_ldflag} = "";
bd5192b1 980
291e94df
RL		 981# Make sure build_scheme is consistent.
982$target{build_scheme} = [ $target{build_scheme} ]
983 if ref($target{build_scheme}) ne "ARRAY";
984
ddf1847d
RL		 985my ($builder, $builder_platform, @builder_opts) =
986 @{$target{build_scheme}};
987
488e2b0f
RL		 988push @{$config{defines}}, "NDEBUG" if $config{build_type} eq "release";
989
68ab559a 990if ($target =~ /^mingw/ && `$target{cc} --target-help 2>&1` =~ m/-mno-cygwin/m)
cbecd29a 991 {
68ab559a 992 $config{cflags} .= " -mno-cygwin";
2952b9b8 993 $config{shared_ldflag} .= " -mno-cygwin";
cbecd29a
AP		 994 }
995
00b0d663 996if ($target =~ /linux.*-mips/ && !$disabled{asm} && $user_cflags !~ /-m(ips|arch=)/) {
63d8834c 997 # minimally required architecture flags for assembly modules
107b5792
RL		 998 $config{cflags}="-mips2 $config{cflags}" if ($target =~ /mips32/);
999 $config{cflags}="-mips3 $config{cflags}" if ($target =~ /mips64/);
63d8834c
AP		 1000}
1001
2964ba8c 1002my $no_shared_warn=0;
14bcdb08 1003my $no_user_cflags=0;
bcb1977b 1004my $no_user_defines=0;
2964ba8c 1005
bc2aadad
GT		 1006# The DSO code currently always implements all functions so that no
1007# applications will have to worry about that from a compilation point
1008# of view. However, the "method"s may return zero unless that platform
1009# has support compiled in for them. Currently each method is enabled
1010# by a define "DSO_<name>" ... we translate the "dso_scheme" config
1011# string entry into using the following logic;
721f9058 1012if (!$disabled{dso} && $target{dso_scheme} ne "")
bc2aadad 1013 {
291e94df
RL		 1014 $target{dso_scheme} =~ tr/[a-z]/[A-Z]/;
1015 if ($target{dso_scheme} eq "DLFCN")
bc2aadad 1016 {
2952b9b8 1017 unshift @{$config{defines}}, "DSO_DLFCN", "HAVE_DLFCN_H";
bc2aadad 1018 }
291e94df 1019 elsif ($target{dso_scheme} eq "DLFCN_NO_H")
bc2aadad 1020 {
2952b9b8 1021 unshift @{$config{defines}}, "DSO_DLFCN";
bc2aadad
GT		 1022 }
1023 else
1024 {
2952b9b8 1025 unshift @{$config{defines}}, "DSO_$target{dso_scheme}";
bc2aadad
GT		 1026 }
1027 }
9ec0126e 1028
1740c162 1029$config{ex_libs}="$libs$config{ex_libs}" if ($libs ne "");
d02b48c6 1030
00b0d663 1031if ($disabled{asm})
dfeab068 1032 {
2952b9b8
RL		 1033 if ($config{fips})
1034 {
1035 @{$config{defines}} = grep !/^[BL]_ENDIAN$/, @{$config{defines}};
1036 @{$target{defines}} = grep !/^[BL]_ENDIAN$/, @{$target{defines}};
1037 }
dfeab068 1038 }
6f7ac8e1 1039
9c62a279
RL		 1040# If threads aren't disabled, check how possible they are
1041unless ($disabled{threads}) {
1042 if ($auto_threads) {
1043 # Enabled by default, disable it forcibly if unavailable
1044 if ($target{thread_scheme} eq "(unknown)") {
1045 $disabled{threads} = "unavailable";
1046 }
1047 } else {
8483a003 1048 # The user chose to enable threads explicitly, let's see
9c62a279
RL		 1049 # if there's a chance that's possible
1050 if ($target{thread_scheme} eq "(unknown)") {
1051 # If the user asked for "threads" and we don't have internal
1052 # knowledge how to do it, [s]he is expected to provide any
1053 # system-dependent compiler options that are necessary. We
1054 # can't truly check that the given options are correct, but
1055 # we expect the user to know what [s]He is doing.
1056 if ($no_user_cflags && $no_user_defines) {
1057 die "You asked for multi-threading support, but didn't\n"
1058 ,"provide any system-specific compiler options\n";
1059 }
1060 }
1061 }
1062}
1063
1064# If threads still aren't disabled, add a C macro to ensure the source
1065# code knows about it. Any other flag is taken care of by the configs.
1066unless($disabled{threads}) {
1067 foreach (("defines", "openssl_thread_defines")) {
1068 push @{$config{$_}}, "OPENSSL_THREADS";
1069 }
1070}
e452de9d 1071
98186eb4
VD		 1072# With "deprecated" disable all deprecated features.
1073if (defined($disabled{"deprecated"})) {
107b5792 1074 $config{api} = $maxapi;
98186eb4 1075}
07c4c14c 1076
291e94df 1077if ($target{shared_target} eq "")
6f7ac8e1 1078 {
ae48242c 1079 $no_shared_warn = 1
84af1bae 1080 if ((!$disabled{shared} || !$disabled{"dynamic-engine"})
ae48242c 1081 && !$config{fips});
84af1bae 1082 $disabled{shared} = "no-shared-target";
ae48242c
RL		 1083 $disabled{pic} = $disabled{shared} = $disabled{"dynamic-engine"} =
1084 "no-shared-target";
6f7ac8e1 1085 }
b436a982 1086
19ab5790 1087if ($disabled{"dynamic-engine"}) {
343ec2b0
RL		 1088 push @{$config{defines}}, "OPENSSL_NO_DYNAMIC_ENGINE";
1089 $config{dynamic_engines} = 0;
19ab5790
RL		 1090} else {
1091 push @{$config{defines}}, "OPENSSL_NO_STATIC_ENGINE";
1092 $config{dynamic_engines} = 1;
343ec2b0 1093}
ecd45314 1094
f59d0131 1095unless ($disabled{"fuzz-libfuzzer"}) {
c38bb727
BL		 1096 $config{cflags} .= "-fsanitize-coverage=edge,indirect-calls ";
1097}
1098
1099unless ($disabled{asan}) {
1100 $config{cflags} .= "-fsanitize=address ";
1101}
1102
1103unless ($disabled{ubsan}) {
f430ba31 1104 # -DPEDANTIC or -fnosanitize=alignment may also be required on some
c38bb727
BL		 1105 # platforms.
1106 $config{cflags} .= "-fsanitize=undefined -fno-sanitize-recover=all ";
1107}
1108
29df3061
EK		 1109unless ($disabled{msan}) {
1110 $config{cflags} .= "-fsanitize=memory ";
1111}
1112
65cc6d5c 1113unless ($disabled{"fuzz-libfuzzer"} && $disabled{"fuzz-afl"}
29df3061 1114 && $disabled{asan} && $disabled{ubsan} && $disabled{msan}) {
c38bb727
BL		 1115 $config{cflags} .= "-fno-omit-frame-pointer -g ";
1116}
c313e32a
AP		 1117#
1118# Platform fix-ups
1119#
ae48242c
RL		 1120
1121# This saves the build files from having to check
1122if ($disabled{pic})
1123 {
1124 $target{shared_cflag} = $target{shared_ldflag} =
1125 $target{shared_rcflag} = "";
1126 }
4f16039e
RL		 1127else
1128 {
1129 push @{$config{defines}}, "OPENSSL_PIC";
1130 }
ae48242c 1131
291e94df 1132if ($target{sys_id} ne "")
cf1b7d96 1133 {
642a6138 1134 push @{$config{openssl_sys_defines}}, "OPENSSL_SYS_$target{sys_id}";
cf1b7d96
RL		 1135 }
1136
00b0d663 1137unless ($disabled{asm}) {
d2b2221a 1138 $target{cpuid_asm_src}=$table{DEFAULTS}->{cpuid_asm_src} if ($config{processor} eq "386");
9fe2bb77 1139 $target{bn_asm_src} =~ s/\w+-gf2m.c// if (defined($disabled{ec2m}));
f8c469de 1140
9e0724a1 1141 # bn-586 is the only one implementing bn_*_part_words
bcb1977b
RL		 1142 push @{$config{defines}}, "OPENSSL_BN_ASM_PART_WORDS" if ($target{bn_asm_src} =~ /bn-586/);
1143 push @{$config{defines}}, "OPENSSL_IA32_SSE2" if (!$no_sse2 && $target{bn_asm_src} =~ /86/);
dfeab068 1144
bcb1977b
RL		 1145 push @{$config{defines}}, "OPENSSL_BN_ASM_MONT" if ($target{bn_asm_src} =~ /-mont/);
1146 push @{$config{defines}}, "OPENSSL_BN_ASM_MONT5" if ($target{bn_asm_src} =~ /-mont5/);
1147 push @{$config{defines}}, "OPENSSL_BN_ASM_GF2m" if ($target{bn_asm_src} =~ /-gf2m/);
5ac7bde7 1148
107b5792 1149 if ($config{fips}) {
7d130f68 1150 push @{$config{openssl_other_defines}}, "OPENSSL_FIPS";
9e0724a1 1151 }
1ab2f7f1 1152
9fe2bb77 1153 if ($target{sha1_asm_src}) {
bcb1977b
RL		 1154 push @{$config{defines}}, "SHA1_ASM" if ($target{sha1_asm_src} =~ /sx86/ || $target{sha1_asm_src} =~ /sha1/);
1155 push @{$config{defines}}, "SHA256_ASM" if ($target{sha1_asm_src} =~ /sha256/);
1156 push @{$config{defines}}, "SHA512_ASM" if ($target{sha1_asm_src} =~ /sha512/);
9e0724a1 1157 }
216e8d91
RL		 1158 if ($target{rc4_asm_src} ne $table{DEFAULTS}->{rc4_asm_src}) {
1159 push @{$config{defines}}, "RC4_ASM";
1160 }
9fe2bb77 1161 if ($target{md5_asm_src}) {
bcb1977b 1162 push @{$config{defines}}, "MD5_ASM";
9e0724a1 1163 }
d2b2221a 1164 $target{cast_asm_src}=$table{DEFAULTS}->{cast_asm_src} unless $disabled{pic}; # CAST assembler is not PIC
9fe2bb77 1165 if ($target{rmd160_asm_src}) {
bcb1977b 1166 push @{$config{defines}}, "RMD160_ASM";
9e0724a1 1167 }
9fe2bb77 1168 if ($target{aes_asm_src}) {
bcb1977b 1169 push @{$config{defines}}, "AES_ASM" if ($target{aes_asm_src} =~ m/\baes-/);;
9fe2bb77 1170 # aes-ctr.fake is not a real file, only indication that assembler
874a3757 1171 # module implements AES_ctr32_encrypt...
bcb1977b 1172 push @{$config{defines}}, "AES_CTR_ASM" if ($target{aes_asm_src} =~ s/\s*aes-ctr\.fake//);
9fe2bb77 1173 # aes-xts.fake indicates presence of AES_xts_[en|de]crypt...
bcb1977b 1174 push @{$config{defines}}, "AES_XTS_ASM" if ($target{aes_asm_src} =~ s/\s*aes-xts\.fake//);
9fe2bb77 1175 $target{aes_asm_src} =~ s/\s*(vpaes|aesni)-x86\.s//g if ($no_sse2);
bcb1977b
RL		 1176 push @{$config{defines}}, "VPAES_ASM" if ($target{aes_asm_src} =~ m/vpaes/);
1177 push @{$config{defines}}, "BSAES_ASM" if ($target{aes_asm_src} =~ m/bsaes/);
9e0724a1 1178 }
9fe2bb77 1179 if ($target{wp_asm_src} =~ /mmx/) {
46d4d865 1180 if ($config{processor} eq "386") {
d2b2221a 1181 $target{wp_asm_src}=$table{DEFAULTS}->{wp_asm_src};
46d4d865 1182 } elsif (!$disabled{"whirlpool"}) {
2952b9b8 1183 push @{$config{defines}}, "WHIRLPOOL_ASM";
46d4d865 1184 }
9e0724a1 1185 }
9fe2bb77 1186 if ($target{modes_asm_src} =~ /ghash-/) {
bcb1977b 1187 push @{$config{defines}}, "GHASH_ASM";
9e0724a1 1188 }
9fe2bb77 1189 if ($target{ec_asm_src} =~ /ecp_nistz256/) {
bcb1977b 1190 push @{$config{defines}}, "ECP_NISTZ256_ASM";
9e0724a1 1191 }
9fe2bb77 1192 if ($target{poly1305_asm_src} ne "") {
bcb1977b 1193 push @{$config{defines}}, "POLY1305_ASM";
9e0724a1
RL		 1194 }
1195}
d02b48c6 1196
8ed40b83 1197my $ecc = $target{cc};
09aa263a 1198if ($^O ne "VMS" && !$disabled{makedepend}) {
a583fc45
RL		 1199 # Is the compiler gcc or clang? $ecc is used below to see if
1200 # error-checking can be turned on.
1201 my $ccpcc = "$config{cross_compile_prefix}$target{cc}";
d0db7ee0
AP		 1202 open(PIPE, "$ccpcc --version 2>&1 |");
1203 my $lines = 2;
a583fc45 1204 while ( <PIPE> ) {
30752dd7
RL		 1205 # Find the version number and save the major.
1206 m|(?:.*)\b(\d+)\.\d+\.\d+\b(?:.*)|;
39affe19 1207 my $compiler_major = $1;
30752dd7
RL		 1208 # We know that GNU C version 3 and up as well as all clang
1209 # versions support dependency generation
39affe19 1210 $config{makedepprog} = $ccpcc
35c11bfc 1211 if (/clang/ || (/gcc/ && $compiler_major >= 3));
a583fc45
RL		 1212 $ecc = "clang" if /clang/;
1213 $ecc = "gcc" if /gcc/;
d0db7ee0 1214 last if ($config{makedepprog} || !$lines--);
a583fc45
RL		 1215 }
1216 close(PIPE);
09aa263a 1217
656bbdc6 1218 $config{makedepprog} = which('makedepend') unless $config{makedepprog};
09aa263a 1219 $disabled{makedepend} = "unavailable" unless $config{makedepprog};
f1f07a23 1220}
8ed40b83 1221
7d130f68 1222
09aa263a 1223
7d130f68
RL		 1224# Deal with bn_ops ###################################################
1225
7d130f68 1226$config{bn_ll} =0;
7d130f68
RL		 1227$config{export_var_as_fn} =0;
1228my $def_int="unsigned int";
1229$config{rc4_int} =$def_int;
b4f35e5e 1230($config{b64l},$config{b64},$config{b32})=(0,0,1);
7d130f68 1231
94af0cd7 1232my $count = 0;
7d130f68 1233foreach (sort split(/\s+/,$target{bn_ops})) {
94af0cd7
RS		 1234 $count++ if /SIXTY_FOUR_BIT|SIXTY_FOUR_BIT_LONG|THIRTY_TWO_BIT/;
1235 $config{export_var_as_fn}=1 if $_ eq 'EXPORT_VAR_AS_FN';
1236 $config{bn_ll}=1 if $_ eq 'BN_LLONG';
1237 $config{rc4_int}="unsigned char" if $_ eq 'RC4_CHAR';
1238 ($config{b64l},$config{b64},$config{b32})
1239 =(0,1,0) if $_ eq 'SIXTY_FOUR_BIT';
1240 ($config{b64l},$config{b64},$config{b32})
1241 =(1,0,0) if $_ eq 'SIXTY_FOUR_BIT_LONG';
1242 ($config{b64l},$config{b64},$config{b32})
1243 =(0,0,1) if $_ eq 'THIRTY_TWO_BIT';
7d130f68 1244}
94af0cd7
RS		 1245die "Exactly one of SIXTY_FOUR_BIT|SIXTY_FOUR_BIT_LONG|THIRTY_TWO_BIT can be set in bn_ops\n"
1246 if $count > 1;
7d130f68
RL		 1247
1248
1249# Hack cflags for better warnings (dev option) #######################
1250
1ed0c662
RL		 1251# "Stringify" the C flags string. This permits it to be made part of a string
1252# and works as well on command lines.
01d99976 1253$config{cflags} =~ s/([\\\"])/\\$1/g;
b436a982 1254
107b5792
RL		 1255if (defined($config{api})) {
1256 $config{openssl_api_defines} = [ "OPENSSL_MIN_API=".$apitable->{$config{api}} ];
bcb1977b 1257 my $apiflag = sprintf("OPENSSL_API_COMPAT=%s", $apitable->{$config{api}});
bcb1977b 1258 push @{$config{defines}}, $apiflag;
98186eb4
VD		 1259}
1260
0c28f277
DSH		 1261if ($strict_warnings)
1262 {
1263 my $wopt;
f1f07a23
RS		 1264 die "ERROR --strict-warnings requires gcc or clang"
1265 unless $ecc eq 'gcc' || $ecc eq 'clang';
0c28f277
DSH		 1266 foreach $wopt (split /\s+/, $gcc_devteam_warn)
1267 {
d918f9cb 1268 $config{cflags} .= " $wopt" unless ($config{cflags} =~ /(?:^|\s)$wopt(?:\s|$)/)
0c28f277 1269 }
190c8c60
BL		 1270 if ($ecc eq "clang")
1271 {
1272 foreach $wopt (split /\s+/, $clang_devteam_warn)
1273 {
d918f9cb 1274 $config{cflags} .= " $wopt" unless ($config{cflags} =~ /(?:^|\s)$wopt(?:\s|$)/)
190c8c60
BL		 1275 }
1276 }
ef8ca6bd
RL		 1277 }
1278
1279unless ($disabled{"crypto-mdebug-backtrace"})
1280 {
1281 foreach my $wopt (split /\s+/, $memleak_devteam_backtrace)
a1d3f3d1 1282 {
d918f9cb 1283 $config{cflags} .= " $wopt" unless ($config{cflags} =~ /(?:^|\s)$wopt(?:\s|$)/)
ef8ca6bd
RL		 1284 }
1285 if ($target =~ /^BSD-/)
1286 {
1287 $config{ex_libs} .= " -lexecinfo";
291e94df 1288 }
0c28f277
DSH		 1289 }
1290
63994098
RL		 1291if ($user_cflags ne "") { $config{cflags}="$config{cflags}$user_cflags"; }
1292else { $no_user_cflags=1; }
1293if (@user_defines) { $config{defines}=[ @{$config{defines}}, @user_defines ]; }
1294else { $no_user_defines=1; }
1295
1296# ALL MODIFICATIONS TO %config and %target MUST BE DONE FROM HERE ON
1297
c91a0a83
EK		 1298unless ($disabled{afalgeng}) {
1299 $config{afalgeng}="";
79fff39d
RL		 1300 if ($target =~ m/^linux/) {
1301 my $minver = 4*10000 + 1*100 + 0;
1302 if ($config{cross_compile_prefix} eq "") {
1303 my $verstr = `uname -r`;
1304 my ($ma, $mi1, $mi2) = split("\\.", $verstr);
1305 ($mi2) = $mi2 =~ /(\d+)/;
1306 my $ver = $ma*10000 + $mi1*100 + $mi2;
1307 if ($ver < $minver) {
c91a0a83 1308 $disabled{afalgeng} = "too-old-kernel";
79fff39d
RL		 1309 } else {
1310 push @{$config{engdirs}}, "afalg";
1311 }
68dc37c1
MC		 1312 } else {
1313 $disabled{afalgeng} = "cross-compiling";
6cba4a66 1314 }
79fff39d 1315 } else {
c91a0a83 1316 $disabled{afalgeng} = "not-linux";
7f458a48 1317 }
1318}
8da00a38 1319
c91a0a83 1320push @{$config{openssl_other_defines}}, "OPENSSL_NO_AFALGENG" if ($disabled{afalgeng});
7f458a48 1321
9fe2bb77
RL		 1322# If we use the unified build, collect information from build.info files
1323my %unified_info = ();
1324
2b6b606c 1325my $buildinfo_debug = defined($ENV{CONFIGURE_DEBUG_BUILDINFO});
ddf1847d 1326if ($builder eq "unified") {
9fe2bb77
RL		 1327 use lib catdir(dirname(__FILE__),"util");
1328 use with_fallback qw(Text::Template);
1329
9fe2bb77 1330 sub cleandir {
2e963849 1331 my $base = shift;
9fe2bb77 1332 my $dir = shift;
2e963849
RL		 1333 my $relativeto = shift || ".";
1334
1335 $dir = catdir($base,$dir) unless isabsolute($dir);
9fe2bb77 1336
ec182ef0
RL		 1337 # Make sure the directories we're building in exists
1338 mkpath($dir);
1339
2e963849 1340 my $res = abs2rel(absolutedir($dir), rel2abs($relativeto));
9fe2bb77
RL		 1341 #print STDERR "DEBUG[cleandir]: $dir , $base => $res\n";
1342 return $res;
1343 }
1344
1345 sub cleanfile {
2e963849 1346 my $base = shift;
9fe2bb77 1347 my $file = shift;
2e963849
RL		 1348 my $relativeto = shift || ".";
1349
1350 $file = catfile($base,$file) unless isabsolute($file);
1351
9fe2bb77
RL		 1352 my $d = dirname($file);
1353 my $f = basename($file);
1354
ec182ef0
RL		 1355 # Make sure the directories we're building in exists
1356 mkpath($d);
1357
2e963849 1358 my $res = abs2rel(catfile(absolutedir($d), $f), rel2abs($relativeto));
9fe2bb77
RL		 1359 #print STDERR "DEBUG[cleanfile]: $d , $f => $res\n";
1360 return $res;
1361 }
1362
1967a42e
RL		 1363 # Store the name of the template file we will build the build file from
1364 # in %config. This may be useful for the build file itself.
1365 my @build_file_template_names =
1366 ( $builder_platform."-".$target{build_file}.".tmpl",
1367 $target{build_file}.".tmpl" );
1368 my @build_file_templates = ();
1369
1370 # First, look in the user provided directory, if given
1371 if (defined $ENV{$local_config_envname}) {
1372 @build_file_templates =
1373 map {
1374 if ($^O eq 'VMS') {
1375 # VMS environment variables are logical names,
1376 # which can be used as is
1377 $local_config_envname . ':' . $_;
1378 } else {
1379 catfile($ENV{$local_config_envname}, $_);
1380 }
1381 }
1382 @build_file_template_names;
1383 }
1384 # Then, look in our standard directory
1385 push @build_file_templates,
1386 ( map { cleanfile($srcdir, catfile("Configurations", $_), $blddir) }
1387 @build_file_template_names );
1388
1389 my $build_file_template;
1390 for $_ (@build_file_templates) {
1391 $build_file_template = $_;
1392 last if -f $build_file_template;
1393
1394 $build_file_template = undef;
1395 }
1396 if (!defined $build_file_template) {
1397 die "*** Couldn't find any of:\n", join("\n", @build_file_templates), "\n";
1398 }
1399 $config{build_file_templates}
1400 = [ $build_file_template,
1401 cleanfile($srcdir, catfile("Configurations", "common.tmpl"),
1402 $blddir) ];
1403
9fe2bb77
RL		 1404 my @build_infos = ( [ ".", "build.info" ] );
1405 foreach (@{$config{dirs}}) {
1406 push @build_infos, [ $_, "build.info" ]
1407 if (-f catfile($srcdir, $_, "build.info"));
1408 }
1409 foreach (@{$config{sdirs}}) {
1410 push @build_infos, [ catdir("crypto", $_), "build.info" ]
1411 if (-f catfile($srcdir, "crypto", $_, "build.info"));
1412 }
1413 foreach (@{$config{engdirs}}) {
1414 push @build_infos, [ catdir("engines", $_), "build.info" ]
1415 if (-f catfile($srcdir, "engines", $_, "build.info"));
1416 }
1417
2e0956ba
RL		 1418 $config{build_infos} = [ ];
1419
9fe2bb77
RL		 1420 foreach (@build_infos) {
1421 my $sourced = catdir($srcdir, $_->[0]);
1422 my $buildd = catdir($blddir, $_->[0]);
1423
dca99383 1424 mkpath($buildd);
9fe2bb77
RL		 1425
1426 my $f = $_->[1];
1427 # The basic things we're trying to build
1428 my @programs = ();
7f5af797 1429 my @programs_install = ();
9fe2bb77 1430 my @libraries = ();
7f5af797 1431 my @libraries_install = ();
9fe2bb77 1432 my @engines = ();
7f5af797 1433 my @engines_install = ();
9fe2bb77 1434 my @scripts = ();
7f5af797 1435 my @scripts_install = ();
9fe2bb77 1436 my @extra = ();
8a67946e 1437 my @overrides = ();
9fe2bb77
RL		 1438 my @intermediates = ();
1439 my @rawlines = ();
1440
1441 my %ordinals = ();
1442 my %sources = ();
2a08d1a0 1443 my %shared_sources = ();
9fe2bb77
RL		 1444 my %includes = ();
1445 my %depends = ();
1446 my %renames = ();
1447 my %sharednames = ();
ae4c7450 1448 my %generate = ();
9fe2bb77 1449
2e0956ba 1450 push @{$config{build_infos}}, catfile(abs2rel($sourced, $blddir), $f);
9fe2bb77
RL		 1451 my $template = Text::Template->new(TYPE => 'FILE',
1452 SOURCE => catfile($sourced, $f));
1453 die "Something went wrong with $sourced/$f: $!\n" unless $template;
1454 my @text =
1455 split /^/m,
1456 $template->fill_in(HASH => { config => \%config,
1457 target => \%target,
9e04edf2 1458 disabled => \%disabled,
f59d0131 1459 withargs => \%withargs,
9fe2bb77
RL		 1460 builddir => abs2rel($buildd, $blddir),
1461 sourcedir => abs2rel($sourced, $blddir),
1462 buildtop => abs2rel($blddir, $blddir),
1463 sourcetop => abs2rel($srcdir, $blddir) },
1464 DELIMITERS => [ "{-", "-}" ]);
1465
1466 # The top item of this stack has the following values
1467 # -2 positive already run and we found ELSE (following ELSIF should fail)
1468 # -1 positive already run (skip until ENDIF)
1469 # 0 negatives so far (if we're at a condition, check it)
1470 # 1 last was positive (don't skip lines until next ELSE, ELSIF or ENDIF)
1471 # 2 positive ELSE (following ELSIF should fail)
1472 my @skip = ();
1473 collect_information(
1474 collect_from_array([ @text ],
1475 qr/\\$/ => sub { my $l1 = shift; my $l2 = shift;
1476 $l1 =~ s/\\$//; $l1.$l2 }),
1477 # Info we're looking for
1478 qr/^\s*IF\[((?:\\.|[^\\\]])*)\]\s*$/
635bd409 1479 => sub {
c5798e0e 1480 if (! @skip || $skip[$#skip] > 0) {
635bd409
RL		 1481 push @skip, !! $1;
1482 } else {
1483 push @skip, -1;
1484 }
1485 },
9fe2bb77
RL		 1486 qr/^\s*ELSIF\[((?:\\.|[^\\\]])*)\]\s*$/
1487 => sub { die "ELSIF out of scope" if ! @skip;
1488 die "ELSIF following ELSE" if abs($skip[$#skip]) == 2;
1489 $skip[$#skip] = -1 if $skip[$#skip] != 0;
1490 $skip[$#skip] = !! $1
1491 if $skip[$#skip] == 0; },
1492 qr/^\s*ELSE\s*$/
1493 => sub { die "ELSE out of scope" if ! @skip;
1494 $skip[$#skip] = -2 if $skip[$#skip] != 0;
1495 $skip[$#skip] = 2 if $skip[$#skip] == 0; },
1496 qr/^\s*ENDIF\s*$/
1497 => sub { die "ENDIF out of scope" if ! @skip;
1498 pop @skip; },
7f5af797
RL		 1499 qr/^\s*PROGRAMS(_NO_INST)?\s*=\s*(.*)\s*$/
1500 => sub {
1501 if (!@skip || $skip[$#skip] > 0) {
1502 my $install = $1;
1503 my @x = tokenize($2);
1504 push @programs, @x;
1505 push @programs_install, @x unless $install;
1506 }
1507 },
1508 qr/^\s*LIBS(_NO_INST)?\s*=\s*(.*)\s*$/
1509 => sub {
1510 if (!@skip || $skip[$#skip] > 0) {
1511 my $install = $1;
1512 my @x = tokenize($2);
1513 push @libraries, @x;
1514 push @libraries_install, @x unless $install;
1515 }
1516 },
1517 qr/^\s*ENGINES(_NO_INST)?\s*=\s*(.*)\s*$/
1518 => sub {
1519 if (!@skip || $skip[$#skip] > 0) {
1520 my $install = $1;
1521 my @x = tokenize($2);
1522 push @engines, @x;
1523 push @engines_install, @x unless $install;
1524 }
1525 },
1526 qr/^\s*SCRIPTS(_NO_INST)?\s*=\s*(.*)\s*$/
1527 => sub {
1528 if (!@skip || $skip[$#skip] > 0) {
1529 my $install = $1;
1530 my @x = tokenize($2);
1531 push @scripts, @x;
1532 push @scripts_install, @x unless $install;
1533 }
1534 },
9fe2bb77 1535 qr/^\s*EXTRA\s*=\s*(.*)\s*$/
ce959812 1536 => sub { push @extra, tokenize($1)
9fe2bb77 1537 if !@skip || $skip[$#skip] > 0 },
8a67946e 1538 qr/^\s*OVERRIDES\s*=\s*(.*)\s*$/
ce959812 1539 => sub { push @overrides, tokenize($1)
8a67946e 1540 if !@skip || $skip[$#skip] > 0 },
9fe2bb77
RL		 1541
1542 qr/^\s*ORDINALS\[((?:\\.|[^\\\]])+)\]\s*=\s*(.*)\s*$/,
ce959812 1543 => sub { push @{$ordinals{$1}}, tokenize($2)
9fe2bb77
RL		 1544 if !@skip || $skip[$#skip] > 0 },
1545 qr/^\s*SOURCE\[((?:\\.|[^\\\]])+)\]\s*=\s*(.*)\s*$/
ce959812 1546 => sub { push @{$sources{$1}}, tokenize($2)
9fe2bb77 1547 if !@skip || $skip[$#skip] > 0 },
2a08d1a0 1548 qr/^\s*SHARED_SOURCE\[((?:\\.|[^\\\]])+)\]\s*=\s*(.*)\s*$/
ce959812 1549 => sub { push @{$shared_sources{$1}}, tokenize($2)
2a08d1a0 1550 if !@skip || $skip[$#skip] > 0 },
9fe2bb77 1551 qr/^\s*INCLUDE\[((?:\\.|[^\\\]])+)\]\s*=\s*(.*)\s*$/
ce959812 1552 => sub { push @{$includes{$1}}, tokenize($2)
9fe2bb77 1553 if !@skip || $skip[$#skip] > 0 },
4f858293 1554 qr/^\s*DEPEND\[((?:\\.|[^\\\]])*)\]\s*=\s*(.*)\s*$/
ce959812 1555 => sub { push @{$depends{$1}}, tokenize($2)
9fe2bb77 1556 if !@skip || $skip[$#skip] > 0 },
ae4c7450
RL		 1557 qr/^\s*GENERATE\[((?:\\.|[^\\\]])+)\]\s*=\s*(.*)\s*$/
1558 => sub { push @{$generate{$1}}, $2
1559 if !@skip || $skip[$#skip] > 0 },
9fe2bb77 1560 qr/^\s*RENAME\[((?:\\.|[^\\\]])+)\]\s*=\s*(.*)\s*$/
ce959812 1561 => sub { push @{$renames{$1}}, tokenize($2)
9fe2bb77
RL		 1562 if !@skip || $skip[$#skip] > 0 },
1563 qr/^\s*SHARED_NAME\[((?:\\.|[^\\\]])+)\]\s*=\s*(.*)\s*$/
ce959812 1564 => sub { push @{$sharednames{$1}}, tokenize($2)
9fe2bb77
RL		 1565 if !@skip || $skip[$#skip] > 0 },
1566 qr/^\s*BEGINRAW\[((?:\\.|[^\\\]])+)\]\s*$/
1567 => sub {
1568 my $lineiterator = shift;
1569 my $target_kind = $1;
1570 while (defined $lineiterator->()) {
04f171c0 1571 s|\R$||;
9fe2bb77
RL		 1572 if (/^\s*ENDRAW\[((?:\\.|[^\\\]])+)\]\s*$/) {
1573 die "ENDRAW doesn't match BEGINRAW"
1574 if $1 ne $target_kind;
1575 last;
1576 }
1577 next if @skip && $skip[$#skip] <= 0;
1578 push @rawlines, $_
1579 if ($target_kind eq $target{build_file}
ddf1847d 1580 || $target_kind eq $target{build_file}."(".$builder_platform.")");
9fe2bb77
RL		 1581 }
1582 },
1583 qr/^(?:#.*|\s*)$/ => sub { },
2b6b606c
RL		 1584 "OTHERWISE" => sub { die "Something wrong with this line:\n$_\nat $sourced/$f" },
1585 "BEFORE" => sub {
1586 if ($buildinfo_debug) {
1587 print STDERR "DEBUG: Parsing ",join(" ", @_),"\n";
1588 print STDERR "DEBUG: ... before parsing, skip stack is ",join(" ", map { int($_) } @skip),"\n";
1589 }
1590 },
1591 "AFTER" => sub {
1592 if ($buildinfo_debug) {
1593 print STDERR "DEBUG: .... after parsing, skip stack is ",join(" ", map { int($_) } @skip),"\n";
1594 }
1595 },
9fe2bb77
RL		 1596 );
1597 die "runaway IF?" if (@skip);
1598
1599 foreach (keys %renames) {
1600 die "$_ renamed to more than one thing: "
1601 ,join(" ", @{$renames{$_}}),"\n"
1602 if scalar @{$renames{$_}} > 1;
2e963849
RL		 1603 my $dest = cleanfile($buildd, $_, $blddir);
1604 my $to = cleanfile($buildd, $renames{$_}->[0], $blddir);
9fe2bb77
RL		 1605 die "$dest renamed to more than one thing: "
1606 ,$unified_info{rename}->{$dest}, $to
1607 unless !defined($unified_info{rename}->{$dest})
1608 or $unified_info{rename}->{$dest} eq $to;
1609 $unified_info{rename}->{$dest} = $to;
1610 }
1611
1612 foreach (@programs) {
2e963849 1613 my $program = cleanfile($buildd, $_, $blddir);
9fe2bb77
RL		 1614 if ($unified_info{rename}->{$program}) {
1615 $program = $unified_info{rename}->{$program};
1616 }
1617 $unified_info{programs}->{$program} = 1;
1618 }
1619
7f5af797
RL		 1620 foreach (@programs_install) {
1621 my $program = cleanfile($buildd, $_, $blddir);
1622 if ($unified_info{rename}->{$program}) {
1623 $program = $unified_info{rename}->{$program};
1624 }
1625 $unified_info{install}->{programs}->{$program} = 1;
1626 }
1627
9fe2bb77 1628 foreach (@libraries) {
2e963849 1629 my $library = cleanfile($buildd, $_, $blddir);
9fe2bb77
RL		 1630 if ($unified_info{rename}->{$library}) {
1631 $library = $unified_info{rename}->{$library};
1632 }
1633 $unified_info{libraries}->{$library} = 1;
1634 }
1635
7f5af797
RL		 1636 foreach (@libraries_install) {
1637 my $library = cleanfile($buildd, $_, $blddir);
1638 if ($unified_info{rename}->{$library}) {
1639 $library = $unified_info{rename}->{$library};
1640 }
1641 $unified_info{install}->{libraries}->{$library} = 1;
1642 }
1643
343ec2b0 1644 die <<"EOF" if scalar @engines and !$config{dynamic_engines};
19ab5790 1645ENGINES can only be used if configured with 'dynamic-engine'.
9fe2bb77
RL		 1646This is usually a fault in a build.info file.
1647EOF
1648 foreach (@engines) {
2e963849 1649 my $library = cleanfile($buildd, $_, $blddir);
9fe2bb77
RL		 1650 if ($unified_info{rename}->{$library}) {
1651 $library = $unified_info{rename}->{$library};
1652 }
1653 $unified_info{engines}->{$library} = 1;
1654 }
1655
7f5af797
RL		 1656 foreach (@engines_install) {
1657 my $library = cleanfile($buildd, $_, $blddir);
1658 if ($unified_info{rename}->{$library}) {
1659 $library = $unified_info{rename}->{$library};
1660 }
1661 $unified_info{install}->{engines}->{$library} = 1;
1662 }
1663
9fe2bb77 1664 foreach (@scripts) {
2e963849 1665 my $script = cleanfile($buildd, $_, $blddir);
9fe2bb77
RL		 1666 if ($unified_info{rename}->{$script}) {
1667 $script = $unified_info{rename}->{$script};
1668 }
1669 $unified_info{scripts}->{$script} = 1;
1670 }
1671
7f5af797
RL		 1672 foreach (@scripts_install) {
1673 my $script = cleanfile($buildd, $_, $blddir);
1674 if ($unified_info{rename}->{$script}) {
1675 $script = $unified_info{rename}->{$script};
1676 }
1677 $unified_info{install}->{scripts}->{$script} = 1;
1678 }
1679
9fe2bb77 1680 foreach (@extra) {
2e963849 1681 my $extra = cleanfile($buildd, $_, $blddir);
9fe2bb77
RL		 1682 $unified_info{extra}->{$extra} = 1;
1683 }
1684
8a67946e
RL		 1685 foreach (@overrides) {
1686 my $override = cleanfile($buildd, $_, $blddir);
1687 $unified_info{overrides}->{$override} = 1;
1688 }
1689
9fe2bb77
RL		 1690 push @{$unified_info{rawlines}}, @rawlines;
1691
84af1bae 1692 unless ($disabled{shared}) {
9fe2bb77
RL		 1693 # Check sharednames.
1694 foreach (keys %sharednames) {
2e963849 1695 my $dest = cleanfile($buildd, $_, $blddir);
9fe2bb77
RL		 1696 if ($unified_info{rename}->{$dest}) {
1697 $dest = $unified_info{rename}->{$dest};
1698 }
1699 die "shared_name for $dest with multiple values: "
1700 ,join(" ", @{$sharednames{$_}}),"\n"
1701 if scalar @{$sharednames{$_}} > 1;
2e963849 1702 my $to = cleanfile($buildd, $sharednames{$_}->[0], $blddir);
9fe2bb77
RL		 1703 die "shared_name found for a library $dest that isn't defined\n"
1704 unless $unified_info{libraries}->{$dest};
1705 die "shared_name for $dest with multiple values: "
1706 ,$unified_info{sharednames}->{$dest}, ", ", $to
1707 unless !defined($unified_info{sharednames}->{$dest})
1708 or $unified_info{sharednames}->{$dest} eq $to;
1709 $unified_info{sharednames}->{$dest} = $to;
1710 }
1711
1712 # Additionally, we set up sharednames for libraries that don't
1713 # have any, as themselves.
1714 foreach (keys %{$unified_info{libraries}}) {
1715 if (!defined $unified_info{sharednames}->{$_}) {
1716 $unified_info{sharednames}->{$_} = $_
1717 }
1718 }
1719 }
1720
1721 foreach (keys %ordinals) {
1722 my $dest = $_;
2e963849 1723 my $ddest = cleanfile($buildd, $_, $blddir);
9fe2bb77
RL		 1724 if ($unified_info{rename}->{$ddest}) {
1725 $ddest = $unified_info{rename}->{$ddest};
1726 }
1727 foreach (@{$ordinals{$dest}}) {
1728 my %known_ordinals =
1729 (
1730 crypto =>
6928b617 1731 cleanfile($sourced, catfile("util", "libcrypto.num"), $blddir),
9fe2bb77 1732 ssl =>
6928b617 1733 cleanfile($sourced, catfile("util", "libssl.num"), $blddir)
9fe2bb77
RL		 1734 );
1735 my $o = $known_ordinals{$_};
1736 die "Ordinals for $ddest defined more than once\n"
1737 if $unified_info{ordinals}->{$ddest};
1738 $unified_info{ordinals}->{$ddest} = [ $_, $o ];
1739 }
1740 }
1741
1742 foreach (keys %sources) {
1743 my $dest = $_;
2e963849 1744 my $ddest = cleanfile($buildd, $_, $blddir);
9fe2bb77
RL		 1745 if ($unified_info{rename}->{$ddest}) {
1746 $ddest = $unified_info{rename}->{$ddest};
1747 }
1748 foreach (@{$sources{$dest}}) {
2e963849 1749 my $s = cleanfile($sourced, $_, $blddir);
9fe2bb77
RL		 1750
1751 # If it isn't in the source tree, we assume it's generated
1752 # in the build tree
1753 if (! -f $s) {
2e963849 1754 $s = cleanfile($buildd, $_, $blddir);
9fe2bb77 1755 }
ea241958
RL		 1756 # We recognise C++, C and asm files
1757 if ($s =~ /\.(cc|cpp|c|s|S)$/) {
1758 my $o = $_;
1759 $o =~ s/\.[csS]$/.o/; # C and assembler
1760 $o =~ s/\.(cc|cpp)$/_cc.o/; # C++
2e963849 1761 $o = cleanfile($buildd, $o, $blddir);
9fe2bb77
RL		 1762 $unified_info{sources}->{$ddest}->{$o} = 1;
1763 $unified_info{sources}->{$o}->{$s} = 1;
1764 } else {
1765 $unified_info{sources}->{$ddest}->{$s} = 1;
1766 }
1767 }
1768 }
1769
2a08d1a0
RL		 1770 foreach (keys %shared_sources) {
1771 my $dest = $_;
1772 my $ddest = cleanfile($buildd, $_, $blddir);
1773 if ($unified_info{rename}->{$ddest}) {
1774 $ddest = $unified_info{rename}->{$ddest};
1775 }
1776 foreach (@{$shared_sources{$dest}}) {
1777 my $s = cleanfile($sourced, $_, $blddir);
1778
1779 # If it isn't in the source tree, we assume it's generated
1780 # in the build tree
1781 if (! -f $s) {
1782 $s = cleanfile($buildd, $_, $blddir);
1783 }
ea241958
RL		 1784 # We recognise C++, C and asm files
1785 if ($s =~ /\.(cc|cpp|c|s|S)$/) {
1786 my $o = $_;
1787 $o =~ s/\.[csS]$/.o/; # C and assembler
1788 $o =~ s/\.(cc|cpp)$/_cc.o/; # C++
2a08d1a0
RL		 1789 $o = cleanfile($buildd, $o, $blddir);
1790 $unified_info{shared_sources}->{$ddest}->{$o} = 1;
1791 $unified_info{sources}->{$o}->{$s} = 1;
1792 } else {
1793 die "unrecognised source file type for shared library: $s\n";
1794 }
1795 }
1796 }
1797
ae4c7450
RL		 1798 foreach (keys %generate) {
1799 my $dest = $_;
1800 my $ddest = cleanfile($buildd, $_, $blddir);
1801 if ($unified_info{rename}->{$ddest}) {
1802 $ddest = $unified_info{rename}->{$ddest};
1803 }
1804 die "more than one generator for $dest: "
1805 ,join(" ", @{$generate{$_}}),"\n"
1806 if scalar @{$generate{$_}} > 1;
1807 my @generator = split /\s+/, $generate{$dest}->[0];
1808 $generator[0] = cleanfile($sourced, $generator[0], $blddir),
1809 $unified_info{generate}->{$ddest} = [ @generator ];
1810 }
1811
9fe2bb77
RL		 1812 foreach (keys %depends) {
1813 my $dest = $_;
4f858293 1814 my $ddest = $dest eq "" ? "" : cleanfile($sourced, $_, $blddir);
8d34daf0
RL		 1815
1816 # If the destination doesn't exist in source, it can only be
1817 # a generated file in the build tree.
4f858293 1818 if ($ddest ne "" && ! -f $ddest) {
8d34daf0
RL		 1819 $ddest = cleanfile($buildd, $_, $blddir);
1820 if ($unified_info{rename}->{$ddest}) {
1821 $ddest = $unified_info{rename}->{$ddest};
1822 }
9fe2bb77
RL		 1823 }
1824 foreach (@{$depends{$dest}}) {
2e963849 1825 my $d = cleanfile($sourced, $_, $blddir);
9fe2bb77 1826
e737d7b1
RL		 1827 # If we know it's generated, or assume it is because we can't
1828 # find it in the source tree, we set file we depend on to be
1829 # in the build tree rather than the source tree, and assume
1830 # and that there are lines to build it in a BEGINRAW..ENDRAW
1831 # section or in the Makefile template.
1832 if (! -f $d
da1f2104
RL		 1833 || (grep { $d eq $_ }
1834 map { cleanfile($srcdir, $_, $blddir) }
4f858293 1835 grep { /\.h$/ } keys %{$unified_info{generate}})) {
2e963849 1836 $d = cleanfile($buildd, $_, $blddir);
9fe2bb77
RL		 1837 }
1838 # Take note if the file to depend on is being renamed
1839 if ($unified_info{rename}->{$d}) {
1840 $d = $unified_info{rename}->{$d};
1841 }
1842 $unified_info{depends}->{$ddest}->{$d} = 1;
8d34daf0
RL		 1843 # If we depend on a header file or a perl module, let's make
1844 # sure it can get included
4f858293 1845 if ($dest ne "" && $d =~ /\.(h|pm)$/) {
9fe2bb77 1846 my $i = dirname($d);
4748f890
RL		 1847 push @{$unified_info{includes}->{$ddest}->{source}}, $i
1848 unless grep { $_ eq $i } @{$unified_info{includes}->{$ddest}->{source}};
9fe2bb77
RL		 1849 }
1850 }
1851 }
1852
1853 foreach (keys %includes) {
1854 my $dest = $_;
8d34daf0
RL		 1855 my $ddest = cleanfile($sourced, $_, $blddir);
1856
1857 # If the destination doesn't exist in source, it can only be
1858 # a generated file in the build tree.
1859 if (! -f $ddest) {
1860 $ddest = cleanfile($buildd, $_, $blddir);
1861 if ($unified_info{rename}->{$ddest}) {
1862 $ddest = $unified_info{rename}->{$ddest};
1863 }
9fe2bb77
RL		 1864 }
1865 foreach (@{$includes{$dest}}) {
4748f890
RL		 1866 my $is = cleandir($sourced, $_, $blddir);
1867 my $ib = cleandir($buildd, $_, $blddir);
1868 push @{$unified_info{includes}->{$ddest}->{source}}, $is
1869 unless grep { $_ eq $is } @{$unified_info{includes}->{$ddest}->{source}};
1870 push @{$unified_info{includes}->{$ddest}->{build}}, $ib
1871 unless grep { $_ eq $ib } @{$unified_info{includes}->{$ddest}->{build}};
9fe2bb77
RL		 1872 }
1873 }
1874 }
1875
1876 ### Make unified_info a bit more efficient
1877 # One level structures
8a67946e 1878 foreach (("programs", "libraries", "engines", "scripts", "extra", "overrides")) {
9fe2bb77
RL		 1879 $unified_info{$_} = [ sort keys %{$unified_info{$_}} ];
1880 }
1881 # Two level structures
7f5af797 1882 foreach my $l1 (("install", "sources", "shared_sources", "ldadd", "depends")) {
9fe2bb77
RL		 1883 foreach my $l2 (sort keys %{$unified_info{$l1}}) {
1884 $unified_info{$l1}->{$l2} =
1885 [ sort keys %{$unified_info{$l1}->{$l2}} ];
1886 }
1887 }
4748f890
RL		 1888 # Includes
1889 foreach my $dest (sort keys %{$unified_info{includes}}) {
1890 if (defined($unified_info{includes}->{$dest}->{build})) {
1891 my @source_includes =
1892 ( @{$unified_info{includes}->{$dest}->{source}} );
1893 $unified_info{includes}->{$dest} =
1894 [ @{$unified_info{includes}->{$dest}->{build}} ];
1895 foreach my $inc (@source_includes) {
1896 push @{$unified_info{includes}->{$dest}}, $inc
1897 unless grep { $_ eq $inc } @{$unified_info{includes}->{$dest}};
1898 }
1899 } else {
1900 $unified_info{includes}->{$dest} =
1901 [ @{$unified_info{includes}->{$dest}->{source}} ];
1902 }
1903 }
9fe2bb77
RL		 1904}
1905
1906# For the schemes that need it, we provide the old *_obj configs
1907# from the *_asm_obj ones
3a55c92b 1908foreach (grep /_(asm|aux)_src$/, keys %target) {
9fe2bb77 1909 my $src = $_;
3a55c92b 1910 (my $obj = $_) =~ s/_(asm|aux)_src$/_obj/;
ea241958
RL		 1911 $target{$obj} = $target{$src};
1912 $target{$obj} =~ s/\.[csS]\b/.o/g; # C and assembler
1913 $target{$obj} =~ s/\.(cc|cpp)\b/_cc.o/g; # C++
9fe2bb77
RL		 1914}
1915
291e94df
RL		 1916# Write down our configuration where it fits #########################
1917
1918open(OUT,">configdata.pm") || die "unable to create configdata.pm: $!\n";
1919print OUT <<"EOF";
1920package configdata;
1921
1922use strict;
1923use warnings;
1924
1925use Exporter;
1926#use vars qw(\@ISA \@EXPORT);
1927our \@ISA = qw(Exporter);
3850f8cb 1928our \@EXPORT = qw(\%config \%target \%disabled \%withargs \%unified_info \@disablables);
291e94df
RL		 1929
1930EOF
1931print OUT "our %config = (\n";
1932foreach (sort keys %config) {
1933 if (ref($config{$_}) eq "ARRAY") {
1934 print OUT " ", $_, " => [ ", join(", ",
1935 map { quotify("perl", $_) }
1936 @{$config{$_}}), " ],\n";
1937 } else {
1938 print OUT " ", $_, " => ", quotify("perl", $config{$_}), ",\n"
1939 }
1940}
1941print OUT <<"EOF";
1942);
1943
1944EOF
1945print OUT "our %target = (\n";
1946foreach (sort keys %target) {
1947 if (ref($target{$_}) eq "ARRAY") {
1948 print OUT " ", $_, " => [ ", join(", ",
1949 map { quotify("perl", $_) }
1950 @{$target{$_}}), " ],\n";
1951 } else {
1952 print OUT " ", $_, " => ", quotify("perl", $target{$_}), ",\n"
1953 }
1954}
1955print OUT <<"EOF";
1956);
1957
96d2d7bc
RL		 1958EOF
1959print OUT "our \%available_protocols = (\n";
1960print OUT " tls => [ ", join(", ", map { quotify("perl", $_) } @tls), " ],\n";
1961print OUT " dtls => [ ", join(", ", map { quotify("perl", $_) } @dtls), " ],\n";
1962print OUT <<"EOF";
1963);
1964
3850f8cb
RL		 1965EOF
1966print OUT "our \@disablables = (\n";
1967foreach (@disablables) {
1968 print OUT " ", quotify("perl", $_), ",\n";
1969}
1970print OUT <<"EOF";
1971);
1972
96d2d7bc
RL		 1973EOF
1974print OUT "our \%disabled = (\n";
1975foreach (sort keys %disabled) {
1976 print OUT " ", quotify("perl", $_), " => ", quotify("perl", $disabled{$_}), ",\n";
1977}
1978print OUT <<"EOF";
1979);
1980
291e94df 1981EOF
107b5792
RL		 1982print OUT "our %withargs = (\n";
1983foreach (sort keys %withargs) {
1984 if (ref($withargs{$_}) eq "ARRAY") {
1985 print OUT " ", $_, " => [ ", join(", ",
1986 map { quotify("perl", $_) }
1987 @{$withargs{$_}}), " ],\n";
1988 } else {
1989 print OUT " ", $_, " => ", quotify("perl", $withargs{$_}), ",\n"
1990 }
1991}
1992print OUT <<"EOF";
1993);
edd4d402 1994
107b5792 1995EOF
ddf1847d 1996if ($builder eq "unified") {
9fe2bb77
RL		 1997 my $recurse;
1998 $recurse = sub {
1999 my $indent = shift;
2000 foreach (@_) {
2001 if (ref $_ eq "ARRAY") {
2002 print OUT " "x$indent, "[\n";
2003 foreach (@$_) {
2004 $recurse->($indent + 4, $_);
2005 }
2006 print OUT " "x$indent, "],\n";
2007 } elsif (ref $_ eq "HASH") {
2008 my %h = %$_;
2009 print OUT " "x$indent, "{\n";
2010 foreach (sort keys %h) {
2011 if (ref $h{$_} eq "") {
2012 print OUT " "x($indent + 4), quotify("perl", $_), " => ", quotify("perl", $h{$_}), ",\n";
2013 } else {
2014 print OUT " "x($indent + 4), quotify("perl", $_), " =>\n";
2015 $recurse->($indent + 8, $h{$_});
2016 }
2017 }
2018 print OUT " "x$indent, "},\n";
2019 } else {
2020 print OUT " "x$indent, quotify("perl", $_), ",\n";
2021 }
2022 }
2023 };
2024 print OUT "our %unified_info = (\n";
2025 foreach (sort keys %unified_info) {
2026 if (ref $unified_info{$_} eq "") {
2027 print OUT " "x4, quotify("perl", $_), " => ", quotify("perl", $unified_info{$_}), ",\n";
2028 } else {
2029 print OUT " "x4, quotify("perl", $_), " =>\n";
2030 $recurse->(8, $unified_info{$_});
2031 }
2032 }
2033 print OUT <<"EOF";
2034);
2035
2036EOF
2037}
2038print OUT "1;\n";
d02b48c6 2039close(OUT);
f2d4be3b 2040
141d7325
RS		 2041print "\n";
2042print "PROCESSOR =$config{processor}\n" if $config{processor};
2043print "PERL =$config{perl}\n";
758baa3d 2044print "PERLVERSION =$Config{version} for $Config{archname}\n";
141d7325 2045print "HASHBANGPERL =$config{hashbangperl}\n";
f58a0acb 2046print "CC =$config{cross_compile_prefix}$target{cc}\n";
2952b9b8 2047print "CFLAG =$target{cflags} $config{cflags}\n";
ea241958
RL		 2048print "CXX =$config{cross_compile_prefix}$target{cxx}\n"
2049 if defined $target{cxx};
2050print "CXXFLAG =$target{cxxflags} $config{cxxflags}\n"
2051 if defined $target{cxx};
2952b9b8 2052print "DEFINES =",join(" ", @{$target{defines}}, @{$config{defines}}),"\n";
141d7325
RS		 2053#print "RANLIB =", $target{ranlib} eq '$(CROSS_COMPILE)ranlib' ?
2054# "$config{cross_compile_prefix}ranlib" :
2055# "$target{ranlib}", "\n";
2952b9b8 2056print "EX_LIBS =$target{ex_libs} $config{ex_libs}\n";
cba5068d 2057
88087414 2058my %builders = (
9fe2bb77 2059 unified => sub {
ddf1847d 2060 run_dofile(catfile($blddir, $target{build_file}),
1967a42e 2061 @{$config{build_file_templates}});
9fe2bb77 2062 },
88087414
RL		 2063 );
2064
ddf1847d 2065$builders{$builder}->($builder_platform, @builder_opts);
fce0ba5f 2066
9c62a279 2067print <<"EOF" if ($disabled{threads} eq "unavailable");
5f8d5c96
BM		 2068
2069The library could not be configured for supporting multi-threaded
2070applications as the compiler options required on this system are not known.
ff1b7e09 2071See file INSTALL for details if you need multi-threading.
ec577822
BM		 2072EOF
2073
76ffb43d 2074print <<"EOF" if ($no_shared_warn);
2964ba8c 2075
ae48242c
RL		 2076The options 'shared', 'pic' and 'dynamic-engine' aren't supported on this
2077platform, so we will pretend you gave the option 'no-pic', which also disables
2078'shared' and 'dynamic-engine'. If you know how to implement shared libraries
2079or position independent code, please let us know (but please first make sure
2080you have tried with a current version of OpenSSL).
2e31ef03
RS		 2081EOF
2082
ddc606c9
RL		 2083print <<"EOF" if (-f catfile($srcdir, "configdata.pm") && $srcdir ne $blddir);
2084
2085WARNING: there are indications that another build was made in the source
2086directory. This build may have picked up artifacts from that build, the
2087safest course of action is to clean the source directory and redo this
2088configuration.
2089EOF
2090
d02b48c6
RE		 2091exit(0);
2092
bd5192b1
RL		 2093######################################################################
2094#
2095# Helpers and utility functions
2096#
2097
2098# Configuration file reading #########################################
2099
1f2e1cd5
RL		 2100# Note: All of the helper functions are for lazy evaluation. They all
2101# return a CODE ref, which will return the intended value when evaluated.
2102# Thus, whenever there's mention of a returned value, it's about that
2103# intended value.
2104
bd5192b1 2105# Helper function to implement conditional inheritance depending on the
00b0d663 2106# value of $disabled{asm}. Used in inherit_from values as follows:
bd5192b1
RL		 2107#
2108# inherit_from => [ "template", asm("asm_tmpl") ]
2109#
2110sub asm {
2111 my @x = @_;
2112 sub {
00b0d663 2113 $disabled{asm} ? () : @x;
bd5192b1
RL		 2114 }
2115}
2116
1f2e1cd5
RL		 2117# Helper function to implement conditional value variants, with a default
2118# plus additional values based on the value of $config{build_type}.
2119# Arguments are given in hash table form:
2120#
2121# picker(default => "Basic string: ",
2122# debug => "debug",
2123# release => "release")
2124#
2125# When configuring with --debug, the resulting string will be
2126# "Basic string: debug", and when not, it will be "Basic string: release"
2127#
2128# This can be used to create variants of sets of flags according to the
2129# build type:
2130#
2131# cflags => picker(default => "-Wall",
2132# debug => "-g -O0",
2133# release => "-O3")
2134#
2135sub picker {
2136 my %opts = @_;
2137 return sub { add($opts{default} || (),
2138 $opts{$config{build_type}} || ())->(); }
2139}
2140
2141# Helper function to combine several values of different types into one.
2142# This is useful if you want to combine a string with the result of a
2143# lazy function, such as:
2144#
2145# cflags => combine("-Wall", sub { $disabled{zlib} ? () : "-DZLIB" })
2146#
2147sub combine {
2148 my @stuff = @_;
2149 return sub { add(@stuff)->(); }
2150}
2151
2152# Helper function to implement conditional values depending on the value
2153# of $disabled{threads}. Can be used as follows:
2154#
2155# cflags => combine("-Wall", threads("-pthread"))
2156#
2157sub threads {
2158 my @flags = @_;
2159 return sub { add($disabled{threads} ? () : @flags)->(); }
2160}
2161
2162
2163
9c62a279 2164our $add_called = 0;
88087414
RL		 2165# Helper function to implement adding values to already existing configuration
2166# values. It handles elements that are ARRAYs, CODEs and scalars
2167sub _add {
2168 my $separator = shift;
2169
bcb1977b
RL		 2170 # If there's any ARRAY in the collection of values OR the separator
2171 # is undef, we will return an ARRAY of combined values, otherwise a
2172 # string of joined values with $separator as the separator.
2173 my $found_array = !defined($separator);
88087414
RL		 2174
2175 my @values =
2176 map {
b0b92a5b
RL		 2177 my $res = $_;
2178 while (ref($res) eq "CODE") {
2179 $res = $res->();
2180 }
2181 if (defined($res)) {
2182 if (ref($res) eq "ARRAY") {
2183 $found_array = 1;
2184 @$res;
2185 } else {
2186 $res;
2187 }
88087414 2188 } else {
b0b92a5b 2189 ();
88087414
RL		 2190 }
2191 } (@_);
2192
9c62a279
RL		 2193 $add_called = 1;
2194
88087414
RL		 2195 if ($found_array) {
2196 [ @values ];
2197 } else {
b0b92a5b 2198 join($separator, grep { defined($_) && $_ ne "" } @values);
88087414
RL		 2199 }
2200}
2201sub add_before {
bdcd83e1
RL		 2202 my $separator = " ";
2203 if (ref($_[$#_]) eq "HASH") {
2204 my $opts = pop;
2205 $separator = $opts->{separator};
2206 }
88087414
RL		 2207 my @x = @_;
2208 sub { _add($separator, @x, @_) };
2209}
2210sub add {
bdcd83e1
RL		 2211 my $separator = " ";
2212 if (ref($_[$#_]) eq "HASH") {
2213 my $opts = pop;
2214 $separator = $opts->{separator};
2215 }
88087414
RL		 2216 my @x = @_;
2217 sub { _add($separator, @_, @x) };
2218}
2219
bd5192b1
RL		 2220# configuration reader, evaluates the input file as a perl script and expects
2221# it to fill %targets with target configurations. Those are then added to
2222# %table.
2223sub read_config {
2224 my $fname = shift;
2225 open(CONFFILE, "< $fname")
2226 or die "Can't open configuration file '$fname'!\n";
2227 my $x = $/;
2228 undef $/;
2229 my $content = <CONFFILE>;
2230 $/ = $x;
2231 close(CONFFILE);
2232 my %targets = ();
2233 {
ee9b0bbb
RL		 2234 # Protect certain tables from tampering
2235 local %table = %::table;
bd5192b1
RL		 2236
2237 eval $content;
2238 warn $@ if $@;
2239 }
2240
2241 # For each target, check that it's configured with a hash table.
2242 foreach (keys %targets) {
2243 if (ref($targets{$_}) ne "HASH") {
2244 if (ref($targets{$_}) eq "") {
2245 warn "Deprecated target configuration for $_, ignoring...\n";
2246 } else {
2247 warn "Misconfigured target configuration for $_ (should be a hash table), ignoring...\n";
2248 }
2249 delete $targets{$_};
ee9b0bbb
RL		 2250 } else {
2251 $targets{$_}->{_conf_fname_int} = add([ $fname ]);
2252 }
bd5192b1
RL		 2253 }
2254
2255 %table = (%table, %targets);
2256
2257}
2258
8483a003
F		 2259# configuration resolver. Will only resolve all the lazy evaluation
2260# codeblocks for the chosen target and all those it inherits from,
bd5192b1
RL		 2261# recursively
2262sub resolve_config {
2263 my $target = shift;
2264 my @breadcrumbs = @_;
2265
c4718849 2266# my $extra_checks = defined($ENV{CONFIGURE_EXTRA_CHECKS});
9c62a279 2267
bd5192b1
RL		 2268 if (grep { $_ eq $target } @breadcrumbs) {
2269 die "inherit_from loop! target backtrace:\n "
2270 ,$target,"\n ",join("\n ", @breadcrumbs),"\n";
2271 }
2272
2273 if (!defined($table{$target})) {
2274 warn "Warning! target $target doesn't exist!\n";
2275 return ();
2276 }
2277 # Recurse through all inheritances. They will be resolved on the
2278 # fly, so when this operation is done, they will all just be a
2279 # bunch of attributes with string values.
2280 # What we get here, though, are keys with references to lists of
2281 # the combined values of them all. We will deal with lists after
2282 # this stage is done.
2283 my %combined_inheritance = ();
2284 if ($table{$target}->{inherit_from}) {
2285 my @inherit_from =
2286 map { ref($_) eq "CODE" ? $_->() : $_ } @{$table{$target}->{inherit_from}};
2287 foreach (@inherit_from) {
2288 my %inherited_config = resolve_config($_, $target, @breadcrumbs);
2289
2290 # 'template' is a marker that's considered private to
2291 # the config that had it.
2292 delete $inherited_config{template};
2293
2110febb 2294 foreach (keys %inherited_config) {
bd5192b1
RL		 2295 if (!$combined_inheritance{$_}) {
2296 $combined_inheritance{$_} = [];
2297 }
2298 push @{$combined_inheritance{$_}}, $inherited_config{$_};
2110febb 2299 }
bd5192b1
RL		 2300 }
2301 }
2302
2303 # We won't need inherit_from in this target any more, since we've
2304 # resolved all the inheritances that lead to this
2305 delete $table{$target}->{inherit_from};
2306
2307 # Now is the time to deal with those lists. Here's the place to
2308 # decide what shall be done with those lists, all based on the
2309 # values of the target we're currently dealing with.
2310 # - If a value is a coderef, it will be executed with the list of
2311 # inherited values as arguments.
2312 # - If the corresponding key doesn't have a value at all or is the
8483a003 2313 # empty string, the inherited value list will be run through the
bd5192b1
RL		 2314 # default combiner (below), and the result becomes this target's
2315 # value.
2316 # - Otherwise, this target's value is assumed to be a string that
2317 # will simply override the inherited list of values.
a26d8be9 2318 my $default_combiner = add();
bd5192b1
RL		 2319
2320 my %all_keys =
2321 map { $_ => 1 } (keys %combined_inheritance,
2322 keys %{$table{$target}});
b0b92a5b
RL		 2323
2324 sub process_values {
2325 my $object = shift;
2326 my $inherited = shift; # Always a [ list ]
2327 my $target = shift;
2328 my $entry = shift;
2329
9c62a279
RL		 2330 $add_called = 0;
2331
b0b92a5b
RL		 2332 while(ref($object) eq "CODE") {
2333 $object = $object->(@$inherited);
2334 }
2335 if (!defined($object)) {
2336 return ();
2337 }
2338 elsif (ref($object) eq "ARRAY") {
9c62a279 2339 local $add_called; # To make sure recursive calls don't affect it
b0b92a5b
RL		 2340 return [ map { process_values($_, $inherited, $target, $entry) }
2341 @$object ];
2342 } elsif (ref($object) eq "") {
2343 return $object;
2344 } else {
2345 die "cannot handle reference type ",ref($object)
2346 ," found in target ",$target," -> ",$entry,"\n";
2347 }
2348 }
2349
bd5192b1 2350 foreach (sort keys %all_keys) {
9c62a279 2351 my $previous = $combined_inheritance{$_};
bd5192b1
RL		 2352
2353 # Current target doesn't have a value for the current key?
2354 # Assign it the default combiner, the rest of this loop body
2355 # will handle it just like any other coderef.
2356 if (!exists $table{$target}->{$_}) {
2357 $table{$target}->{$_} = $default_combiner;
2358 }
2359
b0b92a5b
RL		 2360 $table{$target}->{$_} = process_values($table{$target}->{$_},
2361 $combined_inheritance{$_},
2362 $target, $_);
2363 unless(defined($table{$target}->{$_})) {
2364 delete $table{$target}->{$_};
2365 }
c4718849
RL		 2366# if ($extra_checks &&
2367# $previous && !($add_called || $previous ~~ $table{$target}->{$_})) {
2368# warn "$_ got replaced in $target\n";
2369# }
bd5192b1
RL		 2370 }
2371
2372 # Finally done, return the result.
2373 return %{$table{$target}};
2374}
2375
462ba4f6 2376sub usage
d02b48c6 2377 {
462ba4f6 2378 print STDERR $usage;
10a926c1 2379 print STDERR "\npick os/compiler from:\n";
1641cb60 2380 my $j=0;
6457ad15 2381 my $i;
10a926c1 2382 my $k=0;
6457ad15 2383 foreach $i (sort keys %table)
d02b48c6 2384 {
bd5192b1 2385 next if $table{$i}->{template};
462ba4f6 2386 next if $i =~ /^debug/;
10a926c1
UM		 2387 $k += length($i) + 1;
2388 if ($k > 78)
2389 {
2390 print STDERR "\n";
2391 $k=length($i);
2392 }
2393 print STDERR $i . " ";
462ba4f6
UM		 2394 }
2395 foreach $i (sort keys %table)
2396 {
bd5192b1 2397 next if $table{$i}->{template};
462ba4f6 2398 next if $i !~ /^debug/;
10a926c1
UM		 2399 $k += length($i) + 1;
2400 if ($k > 78)
2401 {
2402 print STDERR "\n";
2403 $k=length($i);
2404 }
2405 print STDERR $i . " ";
d02b48c6 2406 }
10a926c1 2407 print STDERR "\n\nNOTE: If in doubt, on Unix-ish systems use './config'.\n";
462ba4f6 2408 exit(1);
d02b48c6
RE		 2409 }
2410
01d99976 2411sub run_dofile
107b5792 2412{
107b5792 2413 my $out = shift;
9fe2bb77 2414 my @templates = @_;
107b5792 2415
ced2c2c5
RS		 2416 unlink $out || warn "Can't remove $out, $!"
2417 if -f $out;
9fe2bb77
RL		 2418 foreach (@templates) {
2419 die "Can't open $_, $!" unless -f $_;
2420 }
f879d5ff
RL		 2421 my $perlcmd = (quotify("maybeshell", $config{perl}))[0];
2422 my $cmd = "$perlcmd \"-I.\" \"-Mconfigdata\" \"$dofile\" -o\"Configure\" \"".join("\" \"",@templates)."\" > \"$out.new\"";
9fe2bb77
RL		 2423 #print STDERR "DEBUG[run_dofile]: \$cmd = $cmd\n";
2424 system($cmd);
107b5792
RL		 2425 exit 1 if $? != 0;
2426 rename("$out.new", $out) || die "Can't rename $out.new, $!";
2427}
2428
656bbdc6
AP		 2429sub which
2430{
2431 my ($name)=@_;
2432
2433 if (eval { require IPC::Cmd; 1; }) {
2434 IPC::Cmd->import();
2435 return scalar IPC::Cmd::can_run($name);
2436 } else {
2437 # if there is $directories component in splitpath,
2438 # then it's not something to test with $PATH...
2439 return $name if (File::Spec->splitpath($name))[1];
2440
2441 foreach (File::Spec->path()) {
2442 my $fullpath = catfile($_, "$name$target{exe_extension}");
2443 if (-f $fullpath and -x $fullpath) {
2444 return $fullpath;
2445 }
2446 }
2447 }
2448}
2449
00ae96ca
RL		 2450# Configuration printer ##############################################
2451
2452sub print_table_entry
2453{
2454 my $target = shift;
2455 my %target = resolve_config($target);
2456 my $type = shift;
2457
2458 # Don't print the templates
2459 return if $target{template};
2460
2461 my @sequence = (
f0bd4686 2462 "sys_id",
00ae96ca
RL		 2463 "cc",
2464 "cflags",
bcb1977b 2465 "defines",
f0bd4686
RL		 2466 "unistd",
2467 "ld",
00ae96ca 2468 "lflags",
0c0d78b8 2469 "loutflag",
c86ddbe6 2470 "plib_lflags",
1740c162 2471 "ex_libs",
00ae96ca 2472 "bn_ops",
0c0d78b8
RL		 2473 "apps_aux_src",
2474 "cpuid_asm_src",
2475 "uplink_aux_src",
2476 "bn_asm_src",
2477 "ec_asm_src",
2478 "des_asm_src",
2479 "aes_asm_src",
2480 "bf_asm_src",
2481 "md5_asm_src",
2482 "cast_asm_src",
2483 "sha1_asm_src",
2484 "rc4_asm_src",
2485 "rmd160_asm_src",
2486 "rc5_asm_src",
2487 "wp_asm_src",
2488 "cmll_asm_src",
2489 "modes_asm_src",
2490 "padlock_asm_src",
2491 "chacha_asm_src",
2492 "poly1035_asm_src",
9c62a279 2493 "thread_scheme",
00ae96ca
RL		 2494 "perlasm_scheme",
2495 "dso_scheme",
2496 "shared_target",
2497 "shared_cflag",
0c0d78b8 2498 "shared_defines",
00ae96ca 2499 "shared_ldflag",
64c443e3 2500 "shared_rcflag",
00ae96ca 2501 "shared_extension",
e987f9f2 2502 "dso_extension",
f0bd4686
RL		 2503 "obj_extension",
2504 "exe_extension",
00ae96ca 2505 "ranlib",
f0bd4686 2506 "ar",
00ae96ca 2507 "arflags",
0c0d78b8
RL		 2508 "aroutflag",
2509 "rc",
2510 "rcflags",
2511 "rcoutflag",
2512 "mt",
2513 "mtflags",
2514 "mtinflag",
2515 "mtoutflag",
00ae96ca 2516 "multilib",
f0bd4686 2517 "build_scheme",
00ae96ca
RL		 2518 );
2519
2520 if ($type eq "TABLE") {
2521 print "\n";
2522 print "*** $target\n";
cb212f23
RL		 2523 foreach (@sequence) {
2524 if (ref($target{$_}) eq "ARRAY") {
2525 printf "\$%-12s = %s\n", $_, join(" ", @{$target{$_}});
2526 } else {
2527 printf "\$%-12s = %s\n", $_, $target{$_};
2528 }
2529 }
00ae96ca
RL		 2530 } elsif ($type eq "HASH") {
2531 my $largest =
2532 length((sort { length($a) <=> length($b) } @sequence)[-1]);
2533 print " '$target' => {\n";
2534 foreach (@sequence) {
2535 if ($target{$_}) {
cb212f23
RL		 2536 if (ref($target{$_}) eq "ARRAY") {
2537 print " '",$_,"'"," " x ($largest - length($_))," => [ ",join(", ", map { "'$_'" } @{$target{$_}})," ],\n";
2538 } else {
2539 print " '",$_,"'"," " x ($largest - length($_))," => '",$target{$_},"',\n";
2540 }
00ae96ca
RL		 2541 }
2542 }
2543 print " },\n";
2544 }
2545}
2546
2547# Utility routines ###################################################
2548
2e963849
RL		 2549# On VMS, if the given file is a logical name, File::Spec::Functions
2550# will consider it an absolute path. There are cases when we want a
2551# purely syntactic check without checking the environment.
2552sub isabsolute {
2553 my $file = shift;
2554
2555 # On non-platforms, we just use file_name_is_absolute().
2556 return file_name_is_absolute($file) unless $^O eq "VMS";
2557
2558 # If the file spec includes a device or a directpry spec,
2559 # file_name_is_absolute() is perfectly safe.
2560 return file_name_is_absolute($file) if $file =~ m|[:\[]|;
2561
2562 # Here, we know the given file spec isn't absolute
2563 return 0;
2564}
2565
ec182ef0
RL		 2566# Makes a directory absolute and cleans out /../ in paths like foo/../bar
2567# On some platforms, this uses rel2abs(), while on others, realpath() is used.
2568# realpath() requires that at least all path components except the last is an
2569# existing directory. On VMS, the last component of the directory spec must
2570# exist.
2571sub absolutedir {
2572 my $dir = shift;
2573
2574 # realpath() is quite buggy on VMS. It uses LIB$FID_TO_NAME, which
2575 # will return the volume name for the device, no matter what. Also,
2576 # it will return an incorrect directory spec if the argument is a
2577 # directory that doesn't exist.
2578 if ($^O eq "VMS") {
2579 return rel2abs($dir);
2580 }
2581
2582 # We use realpath() on Unix, since no other will properly clean out
2583 # a directory spec.
2584 use Cwd qw/realpath/;
2585
2586 return realpath($dir);
2587}
2588
fe05264e
RL		 2589sub quotify {
2590 my %processors = (
2591 perl => sub { my $x = shift;
2592 $x =~ s/([\\\$\@"])/\\$1/g;
2593 return '"'.$x.'"'; },
f879d5ff
RL		 2594 maybeshell => sub { my $x = shift;
2595 (my $y = $x) =~ s/([\\\"])/\\$1/g;
2596 if ($x ne $y || $x =~ m|\s|) {
2597 return '"'.$y.'"';
2598 } else {
2599 return $x;
2600 }
2601 },
fe05264e
RL		 2602 );
2603 my $for = shift;
2604 my $processor =
2605 defined($processors{$for}) ? $processors{$for} : sub { shift; };
2606
2110febb 2607 return map { $processor->($_); } @_;
fe05264e 2608}
107b5792 2609
9fe2bb77
RL		 2610# collect_from_file($filename, $line_concat_cond_re, $line_concat)
2611# $filename is a file name to read from
2612# $line_concat_cond_re is a regexp detecting a line continuation ending
2613# $line_concat is a CODEref that takes care of concatenating two lines
2614sub collect_from_file {
2615 my $filename = shift;
2616 my $line_concat_cond_re = shift;
2617 my $line_concat = shift;
2618
2619 open my $fh, $filename || die "unable to read $filename: $!\n";
2620 return sub {
2621 my $saved_line = "";
2622 $_ = "";
2623 while (<$fh>) {
04f171c0 2624 s|\R$||;
9fe2bb77
RL		 2625 if (defined $line_concat) {
2626 $_ = $line_concat->($saved_line, $_);
2627 $saved_line = "";
2628 }
2629 if (defined $line_concat_cond_re && /$line_concat_cond_re/) {
2630 $saved_line = $_;
2631 next;
2632 }
2633 return $_;
2634 }
2635 die "$filename ending with continuation line\n" if $_;
2636 close $fh;
2637 return undef;
2638 }
2639}
2640
2641# collect_from_array($array, $line_concat_cond_re, $line_concat)
2642# $array is an ARRAYref of lines
2643# $line_concat_cond_re is a regexp detecting a line continuation ending
2644# $line_concat is a CODEref that takes care of concatenating two lines
2645sub collect_from_array {
2646 my $array = shift;
2647 my $line_concat_cond_re = shift;
2648 my $line_concat = shift;
2649 my @array = (@$array);
2650
2651 return sub {
2652 my $saved_line = "";
2653 $_ = "";
2654 while (defined($_ = shift @array)) {
04f171c0 2655 s|\R$||;
9fe2bb77
RL		 2656 if (defined $line_concat) {
2657 $_ = $line_concat->($saved_line, $_);
2658 $saved_line = "";
2659 }
2660 if (defined $line_concat_cond_re && /$line_concat_cond_re/) {
2661 $saved_line = $_;
2662 next;
2663 }
2664 return $_;
2665 }
2666 die "input text ending with continuation line\n" if $_;
2667 return undef;
2668 }
2669}
2670
2671# collect_information($lineiterator, $line_continue, $regexp => $CODEref, ...)
2672# $lineiterator is a CODEref that delivers one line at a time.
107b5792
RL		 2673# All following arguments are regex/CODEref pairs, where the regexp detects a
2674# line and the CODEref does something with the result of the regexp.
2675sub collect_information {
9fe2bb77 2676 my $lineiterator = shift;
107b5792
RL		 2677 my %collectors = @_;
2678
9fe2bb77 2679 while(defined($_ = $lineiterator->())) {
04f171c0 2680 s|\R$||;
9fe2bb77 2681 my $found = 0;
2b6b606c
RL		 2682 if ($collectors{"BEFORE"}) {
2683 $collectors{"BEFORE"}->($_);
2684 }
9fe2bb77 2685 foreach my $re (keys %collectors) {
2b6b606c 2686 if ($re !~ /^OTHERWISE|BEFORE|AFTER$/ && /$re/) {
9fe2bb77
RL		 2687 $collectors{$re}->($lineiterator);
2688 $found = 1;
2689 };
2690 }
2691 if ($collectors{"OTHERWISE"}) {
2692 $collectors{"OTHERWISE"}->($lineiterator, $_)
2693 unless $found || !defined $collectors{"OTHERWISE"};
2694 }
2b6b606c
RL		 2695 if ($collectors{"AFTER"}) {
2696 $collectors{"AFTER"}->($_);
2697 }
107b5792 2698 }
107b5792 2699}
ce959812
RL		 2700
2701# tokenize($line)
2702# $line is a line of text to split up into tokens
2703# returns a list of tokens
2704#
2705# Tokens are divided by spaces. If the tokens include spaces, they
2706# have to be quoted with single or double quotes. Double quotes
2707# inside a double quoted token must be escaped. Escaping is done
2708# with backslash.
2709# Basically, the same quoting rules apply for " and ' as in any
2710# Unix shell.
2711sub tokenize {
2712 my $line = my $debug_line = shift;
2713 my @result = ();
2714
2715 while ($line =~ s|^\s+||, $line ne "") {
2716 my $token = "";
2717 while ($line ne "" && $line !~ m|^\s|) {
2718 if ($line =~ m/^"((?:[^"\\]+|\\.)*)"/) {
2719 $token .= $1;
2720 $line = $';
2721 } elsif ($line =~ m/^'([^']*)'/) {
2722 $token .= $1;
2723 $line = $';
2724 } elsif ($line =~ m/^(\S+)/) {
2725 $token .= $1;
2726 $line = $';
2727 }
2728 }
2729 push @result, $token;
2730 }
2731
2732 if ($ENV{CONFIGURE_DEBUG_TOKENIZE}) {
2733 print STDERR "DEBUG[tokenize]: Parsed '$debug_line' into:\n";
2734 print STDERR "DEBUG[tokenize]: ('", join("', '", @result), "')\n";
2735 }
2736 return @result;
2737}
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