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Add memory sanitizer config, and run on travis.
[thirdparty/openssl.git] / Configure
1 #! /usr/bin/env perl
2 # -*- mode: perl; -*-
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
9
10 ## Configure -- OpenSSL source tree configuration script
11
12 require 5.10.0;
13 use strict;
14 use File::Basename;
15 use File::Spec::Functions qw/:DEFAULT abs2rel rel2abs/;
16 use File::Path qw/mkpath/;
17 use if $^O ne "VMS", 'File::Glob' => qw/glob/;
18
19 # see INSTALL for instructions.
20
21 my $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";
22
23 # Options:
24 #
25 # --config add the given configuration file, which will be read after
26 # any "Configurations*" files that are found in the same
27 # directory as this script.
28 # --prefix prefix for the OpenSSL installation, which includes the
29 # directories bin, lib, include, share/man, share/doc/openssl
30 # This becomes the value of INSTALLTOP in Makefile
31 # (Default: /usr/local)
32 # --openssldir OpenSSL data area, such as openssl.cnf, certificates and keys.
33 # If it's a relative directory, it will be added on the directory
34 # given with --prefix.
35 # This becomes the value of OPENSSLDIR in Makefile and in C.
36 # (Default: PREFIX/ssl)
37 #
38 # --cross-compile-prefix Add specified prefix to binutils components.
39 #
40 # --api One of 0.9.8, 1.0.0 or 1.1.0. Do not compile support for
41 # interfaces deprecated as of the specified OpenSSL version.
42 #
43 # no-hw-xxx do not compile support for specific crypto hardware.
44 # Generic OpenSSL-style methods relating to this support
45 # are always compiled but return NULL if the hardware
46 # support isn't compiled.
47 # no-hw do not compile support for any crypto hardware.
48 # [no-]threads [don't] try to create a library that is suitable for
49 # multithreaded applications (default is "threads" if we
50 # know how to do it)
51 # [no-]shared [don't] try to create shared libraries when supported.
52 # [no-]pic [don't] try to build position independent code when supported.
53 # If disabled, it also disables shared and dynamic-engine.
54 # no-asm do not use assembler
55 # no-dso do not compile in any native shared-library methods. This
56 # will ensure that all methods just return NULL.
57 # no-egd do not compile support for the entropy-gathering daemon APIs
58 # [no-]zlib [don't] compile support for zlib compression.
59 # zlib-dynamic Like "zlib", but the zlib library is expected to be a shared
60 # library and will be loaded in run-time by the OpenSSL library.
61 # sctp include SCTP support
62 # 386 generate 80386 code
63 # enable-weak-ssl-ciphers
64 # Enable weak ciphers that are disabled by default. This currently
65 # only includes RC4 based ciphers.
66 # no-sse2 disables IA-32 SSE2 code, above option implies no-sse2
67 # no-<cipher> build without specified algorithm (rsa, idea, rc5, ...)
68 # -<xxx> +<xxx> compiler options are passed through
69 #
70 # DEBUG_SAFESTACK use type-safe stacks to enforce type-safety on stack items
71 # provided to stack calls. Generates unique stack functions for
72 # each possible stack type.
73 # BN_LLONG use the type 'long long' in crypto/bn/bn.h
74 # RC4_CHAR use 'char' instead of 'int' for RC4_INT in crypto/rc4/rc4.h
75 # Following are set automatically by this script
76 #
77 # MD5_ASM use some extra md5 assembler,
78 # SHA1_ASM use some extra sha1 assembler, must define L_ENDIAN for x86
79 # RMD160_ASM use some extra ripemd160 assembler,
80 # SHA256_ASM sha256_block is implemented in assembler
81 # SHA512_ASM sha512_block is implemented in assembler
82 # AES_ASM AES_[en|de]crypt is implemented in assembler
83
84 # Minimum warning options... any contributions to OpenSSL should at least get
85 # past these.
86
87 # DEBUG_UNUSED enables __owur (warn unused result) checks.
88 my $gcc_devteam_warn = "-DDEBUG_UNUSED"
89 # -DPEDANTIC complements -pedantic and is meant to mask code that
90 # is not strictly standard-compliant and/or implementation-specific,
91 # e.g. inline assembly, disregards to alignment requirements, such
92 # that -pedantic would complain about. Incidentally -DPEDANTIC has
93 # to be used even in sanitized builds, because sanitizer too is
94 # supposed to and does take notice of non-standard behaviour. Then
95 # -pedantic with pre-C9x compiler would also complain about 'long
96 # long' not being supported. As 64-bit algorithms are common now,
97 # it grew impossible to resolve this without sizeable additional
98 # code, so we just tell compiler to be pedantic about everything
99 # but 'long long' type.
100 . " -DPEDANTIC -pedantic -Wno-long-long"
101 . " -Wall"
102 . " -Wsign-compare"
103 . " -Wmissing-prototypes"
104 . " -Wshadow"
105 . " -Wformat"
106 . " -Wtype-limits"
107 . " -Werror"
108 ;
109
110 # These are used in addition to $gcc_devteam_warn when the compiler is clang.
111 # TODO(openssl-team): fix problems and investigate if (at least) the
112 # following warnings can also be enabled:
113 # -Wswitch-enum
114 # -Wcast-align
115 # -Wunreachable-code
116 # -Wlanguage-extension-token -- no, we use asm()
117 # -Wunused-macros -- no, too tricky for BN and _XOPEN_SOURCE etc
118 # -Wextended-offsetof -- no, needed in CMS ASN1 code
119 my $clang_devteam_warn = ""
120 . " -Qunused-arguments"
121 . " -Wextra"
122 . " -Wno-unused-parameter"
123 . " -Wno-missing-field-initializers"
124 . " -Wno-language-extension-token"
125 . " -Wno-extended-offsetof"
126 . " -Wconditional-uninitialized"
127 . " -Wincompatible-pointer-types-discards-qualifiers"
128 . " -Wmissing-variable-declarations"
129 ;
130
131 # This adds backtrace information to the memory leak info. Is only used
132 # when crypto-mdebug-backtrace is enabled.
133 my $memleak_devteam_backtrace = "-rdynamic";
134
135 my $strict_warnings = 0;
136
137 # As for $BSDthreads. Idea is to maintain "collective" set of flags,
138 # which would cover all BSD flavors. -pthread applies to them all,
139 # but is treated differently. OpenBSD expands is as -D_POSIX_THREAD
140 # -lc_r, which is sufficient. FreeBSD 4.x expands it as -lc_r,
141 # which has to be accompanied by explicit -D_THREAD_SAFE and
142 # sometimes -D_REENTRANT. FreeBSD 5.x expands it as -lc_r, which
143 # seems to be sufficient?
144 our $BSDthreads="-pthread -D_THREAD_SAFE -D_REENTRANT";
145
146 #
147 # API compatibility name to version number mapping.
148 #
149 my $maxapi = "1.1.0"; # API for "no-deprecated" builds
150 my $apitable = {
151 "1.1.0" => "0x10100000L",
152 "1.0.0" => "0x10000000L",
153 "0.9.8" => "0x00908000L",
154 };
155
156 our %table = ();
157 our %config = ();
158 our %withargs = ();
159
160 # Forward declarations ###############################################
161
162 # read_config(filename)
163 #
164 # Reads a configuration file and populates %table with the contents
165 # (which the configuration file places in %targets).
166 sub read_config;
167
168 # resolve_config(target)
169 #
170 # Resolves all the late evaluations, inheritances and so on for the
171 # chosen target and any target it inherits from.
172 sub resolve_config;
173
174
175 # Information collection #############################################
176
177 # Unified build supports separate build dir
178 my $srcdir = catdir(absolutedir(dirname($0))); # catdir ensures local syntax
179 my $blddir = catdir(absolutedir(".")); # catdir ensures local syntax
180 my $dofile = abs2rel(catfile($srcdir, "util/dofile.pl"));
181
182 my $local_config_envname = 'OPENSSL_LOCAL_CONFIG_DIR';
183
184 $config{sourcedir} = abs2rel($srcdir);
185 $config{builddir} = abs2rel($blddir);
186
187 # Collect version numbers
188 $config{version} = "unknown";
189 $config{version_num} = "unknown";
190 $config{shlib_version_number} = "unknown";
191 $config{shlib_version_history} = "unknown";
192
193 collect_information(
194 collect_from_file(catfile($srcdir,'include/openssl/opensslv.h')),
195 qr/OPENSSL.VERSION.TEXT.*OpenSSL (\S+) / => sub { $config{version} = $1; },
196 qr/OPENSSL.VERSION.NUMBER.*(0x\S+)/ => sub { $config{version_num}=$1 },
197 qr/SHLIB_VERSION_NUMBER *"([^"]+)"/ => sub { $config{shlib_version_number}=$1 },
198 qr/SHLIB_VERSION_HISTORY *"([^"]*)"/ => sub { $config{shlib_version_history}=$1 }
199 );
200 if ($config{shlib_version_history} ne "") { $config{shlib_version_history} .= ":"; }
201
202 ($config{major}, $config{minor})
203 = ($config{version} =~ /^([0-9]+)\.([0-9\.]+)/);
204 ($config{shlib_major}, $config{shlib_minor})
205 = ($config{shlib_version_number} =~ /^([0-9]+)\.([0-9\.]+)/);
206 die "erroneous version information in opensslv.h: ",
207 "$config{major}, $config{minor}, $config{shlib_major}, $config{shlib_minor}\n"
208 if ($config{major} eq "" || $config{minor} eq ""
209 || $config{shlib_major} eq "" || $config{shlib_minor} eq "");
210
211 # Collect target configurations
212
213 my $pattern = catfile(dirname($0), "Configurations", "*.conf");
214 foreach (sort glob($pattern)) {
215 &read_config($_);
216 }
217
218 if (defined $ENV{$local_config_envname}) {
219 if ($^O eq 'VMS') {
220 # VMS environment variables are logical names,
221 # which can be used as is
222 $pattern = $local_config_envname . ':' . '*.conf';
223 } else {
224 $pattern = catfile($ENV{$local_config_envname}, '*.conf');
225 }
226
227 foreach (sort glob($pattern)) {
228 &read_config($_);
229 }
230 }
231
232
233 print "Configuring OpenSSL version $config{version} (0x$config{version_num})\n";
234
235 $config{prefix}="";
236 $config{openssldir}="";
237 $config{processor}="";
238 $config{libdir}="";
239 $config{cross_compile_prefix}="";
240 $config{fipslibdir}="/usr/local/ssl/fips-2.0/lib/";
241 my $nofipscanistercheck=0;
242 $config{baseaddr}="0xFB00000";
243 my $auto_threads=1; # enable threads automatically? true by default
244 my $default_ranlib;
245 $config{fips}=0;
246
247 # Top level directories to build
248 $config{dirs} = [ "crypto", "ssl", "engines", "apps", "test", "tools", "fuzz" ];
249 # crypto/ subdirectories to build
250 $config{sdirs} = [
251 "objects",
252 "md2", "md4", "md5", "sha", "mdc2", "hmac", "ripemd", "whrlpool", "poly1305", "blake2",
253 "des", "aes", "rc2", "rc4", "rc5", "idea", "bf", "cast", "camellia", "seed", "chacha", "modes",
254 "bn", "ec", "rsa", "dsa", "dh", "dso", "engine",
255 "buffer", "bio", "stack", "lhash", "rand", "err",
256 "evp", "asn1", "pem", "x509", "x509v3", "conf", "txt_db", "pkcs7", "pkcs12", "comp", "ocsp", "ui",
257 "cms", "ts", "srp", "cmac", "ct", "async", "kdf"
258 ];
259
260 # Known TLS and DTLS protocols
261 my @tls = qw(ssl3 tls1 tls1_1 tls1_2);
262 my @dtls = qw(dtls1 dtls1_2);
263
264 # Explicitly known options that are possible to disable. They can
265 # be regexps, and will be used like this: /^no-${option}$/
266 # For developers: keep it sorted alphabetically
267
268 my @disablables = (
269 "afalgeng",
270 "asan",
271 "asm",
272 "async",
273 "autoalginit",
274 "autoerrinit",
275 "bf",
276 "blake2",
277 "camellia",
278 "capieng",
279 "cast",
280 "chacha",
281 "cmac",
282 "cms",
283 "comp",
284 "crypto-mdebug",
285 "crypto-mdebug-backtrace",
286 "ct",
287 "deprecated",
288 "des",
289 "dgram",
290 "dh",
291 "dsa",
292 "dso",
293 "dtls",
294 "dynamic-engine",
295 "ec",
296 "ec2m",
297 "ecdh",
298 "ecdsa",
299 "ec_nistp_64_gcc_128",
300 "egd",
301 "engine",
302 "err",
303 "filenames",
304 "fuzz-libfuzzer",
305 "fuzz-afl",
306 "gost",
307 "heartbeats",
308 "hw(-.+)?",
309 "idea",
310 "makedepend",
311 "md2",
312 "md4",
313 "mdc2",
314 "msan",
315 "multiblock",
316 "nextprotoneg",
317 "ocb",
318 "ocsp",
319 "pic",
320 "poly1305",
321 "posix-io",
322 "psk",
323 "rc2",
324 "rc4",
325 "rc5",
326 "rdrand",
327 "rfc3779",
328 "rmd160",
329 "scrypt",
330 "sctp",
331 "seed",
332 "shared",
333 "sock",
334 "srp",
335 "srtp",
336 "sse2",
337 "ssl",
338 "ssl-trace",
339 "static-engine",
340 "stdio",
341 "threads",
342 "tls",
343 "ts",
344 "ubsan",
345 "ui",
346 "unit-test",
347 "whirlpool",
348 "weak-ssl-ciphers",
349 "zlib",
350 "zlib-dynamic",
351 );
352 foreach my $proto ((@tls, @dtls))
353 {
354 push(@disablables, $proto);
355 push(@disablables, "$proto-method");
356 }
357
358 my %deprecated_disablables = (
359 "ssl2" => undef,
360 "buf-freelists" => undef,
361 "ripemd" => "rmd160"
362 );
363
364 # All of the following is disabled by default (RC5 was enabled before 0.9.8):
365
366 our %disabled = ( # "what" => "comment"
367 "asan" => "default",
368 "ec_nistp_64_gcc_128" => "default",
369 "egd" => "default",
370 "fuzz-libfuzzer" => "default",
371 "fuzz-afl" => "default",
372 "md2" => "default",
373 "msan" => "default",
374 "rc5" => "default",
375 "sctp" => "default",
376 "ssl-trace" => "default",
377 "ssl3" => "default",
378 "ssl3-method" => "default",
379 "ubsan" => "default",
380 "unit-test" => "default",
381 "weak-ssl-ciphers" => "default",
382 "zlib" => "default",
383 "zlib-dynamic" => "default",
384 "crypto-mdebug" => "default",
385 "crypto-mdebug-backtrace" => "default",
386 "heartbeats" => "default",
387 );
388
389 # Note: => pair form used for aesthetics, not to truly make a hash table
390 my @disable_cascades = (
391 # "what" => [ "cascade", ... ]
392 sub { $config{processor} eq "386" }
393 => [ "sse2" ],
394 "ssl" => [ "ssl3" ],
395 "ssl3-method" => [ "ssl3" ],
396 "zlib" => [ "zlib-dynamic" ],
397 "des" => [ "mdc2" ],
398 "ec" => [ "ecdsa", "ecdh" ],
399
400 "dgram" => [ "dtls", "sctp" ],
401 "sock" => [ "dgram" ],
402 "dtls" => [ @dtls ],
403
404 # SSL 3.0, (D)TLS 1.0 and TLS 1.1 require MD5 and SHA
405 "md5" => [ "ssl", "tls1", "tls1_1", "dtls1" ],
406 "sha" => [ "ssl", "tls1", "tls1_1", "dtls1" ],
407
408 # Additionally, SSL 3.0 requires either RSA or DSA+DH
409 sub { $disabled{rsa}
410 && ($disabled{dsa} || $disabled{dh}); }
411 => [ "ssl" ],
412
413 # (D)TLS 1.0 and TLS 1.1 also require either RSA or DSA+DH
414 # or ECDSA + ECDH. (D)TLS 1.2 has this requirement as well.
415 # (XXX: We don't support PSK-only builds).
416 sub { $disabled{rsa}
417 && ($disabled{dsa} || $disabled{dh})
418 && ($disabled{ecdsa} || $disabled{ecdh}); }
419 => [ "tls1", "tls1_1", "tls1_2",
420 "dtls1", "dtls1_2" ],
421
422 "tls" => [ @tls ],
423
424 # SRP and HEARTBEATS require TLSEXT
425 "tlsext" => [ "srp", "heartbeats" ],
426
427 "crypto-mdebug" => [ "crypto-mdebug-backtrace" ],
428
429 # Without DSO, we can't load dynamic engines, so don't build them dynamic
430 "dso" => [ "dynamic-engine" ],
431
432 # Without position independent code, there can be no shared libraries or DSOs
433 "pic" => [ "shared" ],
434 "shared" => [ "dynamic-engine" ],
435 "engine" => [ "afalgeng" ],
436
437 # no-autoalginit is only useful when building non-shared
438 "autoalginit" => [ "shared", "apps" ],
439
440 "stdio" => [ "apps" ],
441 "apps" => [ "tests" ],
442 "comp" => [ "zlib" ],
443 sub { !$disabled{"unit-test"} } => [ "heartbeats" ],
444
445 sub { !$disabled{"msan"} } => [ "asm" ],
446 );
447
448 # Avoid protocol support holes. Also disable all versions below N, if version
449 # N is disabled while N+1 is enabled.
450 #
451 my @list = (reverse @tls);
452 while ((my $first, my $second) = (shift @list, shift @list)) {
453 last unless @list;
454 push @disable_cascades, ( sub { !$disabled{$first} && $disabled{$second} }
455 => [ @list ] );
456 unshift @list, $second;
457 }
458 my @list = (reverse @dtls);
459 while ((my $first, my $second) = (shift @list, shift @list)) {
460 last unless @list;
461 push @disable_cascades, ( sub { !$disabled{$first} && $disabled{$second} }
462 => [ @list ] );
463 unshift @list, $second;
464 }
465
466 # Explicit "no-..." options will be collected in %disabled along with the defaults.
467 # To remove something from %disabled, use "enable-foo".
468 # For symmetry, "disable-foo" is a synonym for "no-foo".
469
470 my $no_sse2=0;
471
472 &usage if ($#ARGV < 0);
473
474 my $user_cflags="";
475 my @user_defines=();
476 $config{openssl_api_defines}=[];
477 $config{openssl_algorithm_defines}=[];
478 $config{openssl_thread_defines}=[];
479 $config{openssl_sys_defines}=[];
480 $config{openssl_other_defines}=[];
481 my $libs="";
482 my $target="";
483 $config{options}="";
484 $config{build_type} = "release";
485
486 my @argvcopy=@ARGV;
487
488 if (grep /^reconf(igure)?$/, @argvcopy) {
489 if (-f "./configdata.pm") {
490 my $file = "./configdata.pm";
491 unless (my $return = do $file) {
492 die "couldn't parse $file: $@" if $@;
493 die "couldn't do $file: $!" unless defined $return;
494 die "couldn't run $file" unless $return;
495 }
496
497 @argvcopy = defined($configdata::config{perlargv}) ?
498 @{$configdata::config{perlargv}} : ();
499 die "Incorrect data to reconfigure, please do a normal configuration\n"
500 if (grep(/^reconf/,@argvcopy));
501 $ENV{CROSS_COMPILE} = $configdata::config{cross_compile_prefix}
502 if defined($configdata::config{cross_compile_prefix});
503 $ENV{CROSS_COMPILE} = $configdata::config{cc}
504 if defined($configdata::config{cc});
505
506 print "Reconfiguring with: ", join(" ",@argvcopy), "\n";
507 print " CROSS_COMPILE = ",$ENV{CROSS_COMPILE},"\n"
508 if $ENV{CROSS_COMPILE};
509 print " CC = ",$ENV{CC},"\n" if $ENV{CC};
510 } elsif (open IN, "<Makefile") {
511 #
512 # THIS SECTION IS TEMPORARY, it helps transitioning from Makefile
513 # centered information gathering the reading configdata.pm
514 #
515 while (<IN>) {
516 s|\R$||;
517 if (/^CONFIGURE_ARGS=\s*(.*)\s*/) {
518 # Older form, we split the string and hope for the best
519 @argvcopy = split /\s+/, $_;
520 die "Incorrect data to reconfigure, please do a normal configuration\n"
521 if (grep(/^reconf/,@argvcopy));
522 } elsif (/^CROSS_COMPILE=\s*(.*)/) {
523 $ENV{CROSS_COMPILE}=$1;
524 } elsif (/^CC=\s*(?:\$\(CROSS_COMPILE\))?(.*?)$/) {
525 $ENV{CC}=$1;
526 }
527 }
528 #
529 # END OF TEMPORARY SECTION
530 #
531 } else {
532 die "Insufficient data to reconfigure, please do a normal configuration\n";
533 }
534 }
535
536 $config{perlargv} = [ @argvcopy ];
537
538 my %unsupported_options = ();
539 my %deprecated_options = ();
540 foreach (@argvcopy)
541 {
542 # VMS is a case insensitive environment, and depending on settings
543 # out of our control, we may receive options uppercased. Let's
544 # downcase at least the part before any equal sign.
545 if ($^O eq "VMS")
546 {
547 s/^([^=]*)/lc($1)/e;
548 }
549 s /^-no-/no-/; # some people just can't read the instructions
550
551 # rewrite some options in "enable-..." form
552 s /^-?-?shared$/enable-shared/;
553 s /^sctp$/enable-sctp/;
554 s /^threads$/enable-threads/;
555 s /^zlib$/enable-zlib/;
556 s /^zlib-dynamic$/enable-zlib-dynamic/;
557
558 if (/^(no|disable|enable)-(.+)$/)
559 {
560 my $word = $2;
561 if (!exists $deprecated_disablables{$word}
562 && !grep { $word =~ /^${_}$/ } @disablables)
563 {
564 $unsupported_options{$_} = 1;
565 next;
566 }
567 }
568 if (/^no-(.+)$/ || /^disable-(.+)$/)
569 {
570 foreach my $proto ((@tls, @dtls))
571 {
572 if ($1 eq "$proto-method")
573 {
574 $disabled{"$proto"} = "option($proto-method)";
575 last;
576 }
577 }
578 if ($1 eq "dtls")
579 {
580 foreach my $proto (@dtls)
581 {
582 $disabled{$proto} = "option(dtls)";
583 }
584 $disabled{"dtls"} = "option(dtls)";
585 }
586 elsif ($1 eq "ssl")
587 {
588 # Last one of its kind
589 $disabled{"ssl3"} = "option(ssl)";
590 }
591 elsif ($1 eq "tls")
592 {
593 # XXX: Tests will fail if all SSL/TLS
594 # protocols are disabled.
595 foreach my $proto (@tls)
596 {
597 $disabled{$proto} = "option(tls)";
598 }
599 }
600 elsif ($1 eq "static-engine")
601 {
602 delete $disabled{"dynamic-engine"};
603 }
604 elsif ($1 eq "dynamic-engine")
605 {
606 $disabled{"dynamic-engine"} = "option";
607 }
608 elsif (exists $deprecated_disablables{$1})
609 {
610 $deprecated_options{$_} = 1;
611 if (defined $deprecated_disablables{$1})
612 {
613 $disabled{$deprecated_disablables{$1}} = "option";
614 }
615 }
616 else
617 {
618 $disabled{$1} = "option";
619 }
620 # No longer an automatic choice
621 $auto_threads = 0 if ($1 eq "threads");
622 }
623 elsif (/^enable-(.+)$/)
624 {
625 if ($1 eq "static-engine")
626 {
627 $disabled{"dynamic-engine"} = "option";
628 }
629 elsif ($1 eq "dynamic-engine")
630 {
631 delete $disabled{"dynamic-engine"};
632 }
633 elsif ($1 eq "zlib-dynamic")
634 {
635 delete $disabled{"zlib"};
636 }
637 my $algo = $1;
638 delete $disabled{$algo};
639
640 # No longer an automatic choice
641 $auto_threads = 0 if ($1 eq "threads");
642 }
643 elsif (/^--strict-warnings$/)
644 {
645 $strict_warnings = 1;
646 }
647 elsif (/^--debug$/)
648 {
649 $config{build_type} = "debug";
650 }
651 elsif (/^--release$/)
652 {
653 $config{build_type} = "release";
654 }
655 elsif (/^386$/)
656 { $config{processor}=386; }
657 elsif (/^fips$/)
658 {
659 $config{fips}=1;
660 }
661 elsif (/^rsaref$/)
662 {
663 # No RSAref support any more since it's not needed.
664 # The check for the option is there so scripts aren't
665 # broken
666 }
667 elsif (/^nofipscanistercheck$/)
668 {
669 $config{fips} = 1;
670 $nofipscanistercheck = 1;
671 }
672 elsif (/^[-+]/)
673 {
674 if (/^--prefix=(.*)$/)
675 {
676 $config{prefix}=$1;
677 die "Directory given with --prefix MUST be absolute\n"
678 unless file_name_is_absolute($config{prefix});
679 }
680 elsif (/^--api=(.*)$/)
681 {
682 $config{api}=$1;
683 }
684 elsif (/^--libdir=(.*)$/)
685 {
686 $config{libdir}=$1;
687 }
688 elsif (/^--openssldir=(.*)$/)
689 {
690 $config{openssldir}=$1;
691 }
692 elsif (/^--with-zlib-lib=(.*)$/)
693 {
694 $withargs{zlib_lib}=$1;
695 }
696 elsif (/^--with-zlib-include=(.*)$/)
697 {
698 $withargs{zlib_include}=$1;
699 }
700 elsif (/^--with-fuzzer-lib=(.*)$/)
701 {
702 $withargs{fuzzer_lib}=$1;
703 }
704 elsif (/^--with-fuzzer-include=(.*)$/)
705 {
706 $withargs{fuzzer_include}=$1;
707 }
708 elsif (/^--with-fipslibdir=(.*)$/)
709 {
710 $config{fipslibdir}="$1/";
711 }
712 elsif (/^--with-baseaddr=(.*)$/)
713 {
714 $config{baseaddr}="$1";
715 }
716 elsif (/^--cross-compile-prefix=(.*)$/)
717 {
718 $config{cross_compile_prefix}=$1;
719 }
720 elsif (/^--config=(.*)$/)
721 {
722 read_config $1;
723 }
724 elsif (/^-[lL](.*)$/ or /^-Wl,/)
725 {
726 $libs.=$_." ";
727 }
728 elsif (/^-D(.*)$/)
729 {
730 push @user_defines, $1;
731 }
732 else # common if (/^[-+]/), just pass down...
733 {
734 $_ =~ s/%([0-9a-f]{1,2})/chr(hex($1))/gei;
735 $user_cflags.=" ".$_;
736 }
737 }
738 else
739 {
740 die "target already defined - $target (offending arg: $_)\n" if ($target ne "");
741 $target=$_;
742 }
743 unless ($_ eq $target || /^no-/ || /^disable-/)
744 {
745 # "no-..." follows later after implied disactivations
746 # have been derived. (Don't take this too seriously,
747 # we really only write OPTIONS to the Makefile out of
748 # nostalgia.)
749
750 if ($config{options} eq "")
751 { $config{options} = $_; }
752 else
753 { $config{options} .= " ".$_; }
754 }
755
756 if (defined($config{api}) && !exists $apitable->{$config{api}}) {
757 die "***** Unsupported api compatibility level: $config{api}\n",
758 }
759
760 if (keys %deprecated_options)
761 {
762 warn "***** Deprecated options: ",
763 join(", ", keys %deprecated_options), "\n";
764 }
765 if (keys %unsupported_options)
766 {
767 die "***** Unsupported options: ",
768 join(", ", keys %unsupported_options), "\n";
769 }
770 }
771
772 if ($config{fips})
773 {
774 delete $disabled{"shared"} if ($disabled{"shared"} =~ /^default/);
775 }
776 else
777 {
778 @{$config{dirs}} = grep !/^fips$/, @{$config{dirs}};
779 }
780
781 my @tocheckfor = (keys %disabled);
782 while (@tocheckfor) {
783 my %new_tocheckfor = ();
784 my @cascade_copy = (@disable_cascades);
785 while (@cascade_copy) {
786 my ($test, $descendents) = (shift @cascade_copy, shift @cascade_copy);
787 if (ref($test) eq "CODE" ? $test->() : defined($disabled{$test})) {
788 foreach(grep { !defined($disabled{$_}) } @$descendents) {
789 $new_tocheckfor{$_} = 1; $disabled{$_} = "forced";
790 }
791 }
792 }
793 @tocheckfor = (keys %new_tocheckfor);
794 }
795
796 if ($target eq "TABLE") {
797 foreach (sort keys %table) {
798 print_table_entry($_, "TABLE");
799 }
800 exit 0;
801 }
802
803 if ($target eq "LIST") {
804 foreach (sort keys %table) {
805 print $_,"\n" unless $table{$_}->{template};
806 }
807 exit 0;
808 }
809
810 if ($target eq "HASH") {
811 print "%table = (\n";
812 foreach (sort keys %table) {
813 print_table_entry($_, "HASH");
814 }
815 exit 0;
816 }
817
818 # Backward compatibility?
819 if ($target =~ m/^CygWin32(-.*)$/) {
820 $target = "Cygwin".$1;
821 }
822
823 foreach (sort (keys %disabled))
824 {
825 $config{options} .= " no-$_";
826
827 printf " no-%-12s %-10s", $_, "[$disabled{$_}]";
828
829 if (/^dso$/)
830 { }
831 elsif (/^threads$/)
832 { }
833 elsif (/^shared$/)
834 { }
835 elsif (/^pic$/)
836 { }
837 elsif (/^zlib$/)
838 { }
839 elsif (/^dynamic-engine$/)
840 { }
841 elsif (/^makedepend$/)
842 { }
843 elsif (/^zlib-dynamic$/)
844 { }
845 elsif (/^sse2$/)
846 { $no_sse2 = 1; }
847 elsif (/^engine$/)
848 {
849 @{$config{dirs}} = grep !/^engines$/, @{$config{dirs}};
850 @{$config{sdirs}} = grep !/^engine$/, @{$config{sdirs}};
851 push @{$config{openssl_other_defines}}, "OPENSSL_NO_ENGINE";
852 }
853 else
854 {
855 my ($ALGO, $algo);
856 ($ALGO = $algo = $_) =~ tr/[\-a-z]/[_A-Z]/;
857
858 if (/^asm$/ || /^err$/ || /^hw$/ || /^hw-/ || /^async$/
859 || /^autoalginit/ || /^autoerrinit/)
860 {
861 push @{$config{openssl_other_defines}}, "OPENSSL_NO_$ALGO";
862 print " OPENSSL_NO_$ALGO";
863
864 if (/^err$/) { push @user_defines, "OPENSSL_NO_ERR"; }
865 }
866 else
867 {
868 ($ALGO,$algo) = ("RMD160","rmd160") if ($algo eq "ripemd");
869
870 push @{$config{openssl_algorithm_defines}}, "OPENSSL_NO_$ALGO";
871 print " OPENSSL_NO_$ALGO";
872
873 # fix-up crypto/directory name(s)
874 $algo="whrlpool" if $algo eq "whirlpool";
875 $algo="ripemd" if $algo eq "rmd160";
876 @{$config{sdirs}} = grep { $_ ne $algo} @{$config{sdirs}};
877
878 print " (skip dir)";
879 }
880 }
881
882 print "\n";
883 }
884
885 print "Configuring for $target\n";
886
887 # Support for legacy targets having a name starting with 'debug-'
888 my ($d, $t) = $target =~ m/^(debug-)?(.*)$/;
889 if ($d) {
890 $config{build_type} = "debug";
891
892 # If we do not find debug-foo in the table, the target is set to foo.
893 if (!$table{$target}) {
894 $target = $t;
895 }
896 }
897 $config{target} = $target;
898 my %target = resolve_config($target);
899
900 &usage if (!%target || $target{template});
901
902 %target = ( %{$table{DEFAULTS}}, %target );
903
904 $target{exe_extension}="";
905 $target{exe_extension}=".exe" if ($config{target} eq "DJGPP"
906 || $config{target} =~ /^(?:Cygwin|mingw)/);
907 $target{exe_extension}=".pm" if ($config{target} =~ /vos/);
908
909 ($target{shared_extension_simple}=$target{shared_extension})
910 =~ s|\.\$\(SHLIB_MAJOR\)\.\$\(SHLIB_MINOR\)||;
911 $target{dso_extension}=$target{shared_extension_simple};
912 ($target{shared_import_extension}=$target{shared_extension_simple}.".a")
913 if ($config{target} =~ /^(?:Cygwin|mingw)/);
914
915
916 $config{cross_compile_prefix} = $ENV{'CROSS_COMPILE'}
917 if $config{cross_compile_prefix} eq "";
918
919 # Allow overriding the names of some tools. USE WITH CARE
920 # Note: only Unix cares about HASHBANGPERL... that explains
921 # the default string.
922 $config{perl} = $ENV{'PERL'} || ($^O ne "VMS" ? $^X : "perl");
923 $config{hashbangperl} =
924 $ENV{'HASHBANGPERL'} || $ENV{'PERL'} || "/usr/bin/env perl";
925 $target{cc} = $ENV{'CC'} || $target{cc} || "cc";
926 $target{ranlib} = $ENV{'RANLIB'} || $target{ranlib} ||
927 (which("$config{cross_compile_prefix}ranlib") ?
928 "\$(CROSS_COMPILE)ranlib" : "true");
929 $target{ar} = $ENV{'AR'} || $target{ar} || "ar";
930 $target{nm} = $ENV{'NM'} || $target{nm} || "nm";
931 $target{rc} =
932 $ENV{'RC'} || $ENV{'WINDRES'} || $target{rc} || "windres";
933
934 # For cflags, lflags, plib_lflags, ex_libs and defines, add the debug_
935 # or release_ attributes.
936 # Do it in such a way that no spurious space is appended (hence the grep).
937 $config{defines} = [];
938 $config{cflags} = "";
939 $config{ex_libs} = "";
940 $config{shared_ldflag} = "";
941
942 # Make sure build_scheme is consistent.
943 $target{build_scheme} = [ $target{build_scheme} ]
944 if ref($target{build_scheme}) ne "ARRAY";
945
946 my ($builder, $builder_platform, @builder_opts) =
947 @{$target{build_scheme}};
948
949 push @{$config{defines}}, "NDEBUG" if $config{build_type} eq "release";
950
951 if ($target =~ /^mingw/ && `$target{cc} --target-help 2>&1` =~ m/-mno-cygwin/m)
952 {
953 $config{cflags} .= " -mno-cygwin";
954 $config{shared_ldflag} .= " -mno-cygwin";
955 }
956
957 if ($target =~ /linux.*-mips/ && !$disabled{asm} && $user_cflags !~ /-m(ips|arch=)/) {
958 # minimally required architecture flags for assembly modules
959 $config{cflags}="-mips2 $config{cflags}" if ($target =~ /mips32/);
960 $config{cflags}="-mips3 $config{cflags}" if ($target =~ /mips64/);
961 }
962
963 my $no_shared_warn=0;
964 my $no_user_cflags=0;
965 my $no_user_defines=0;
966
967 # The DSO code currently always implements all functions so that no
968 # applications will have to worry about that from a compilation point
969 # of view. However, the "method"s may return zero unless that platform
970 # has support compiled in for them. Currently each method is enabled
971 # by a define "DSO_<name>" ... we translate the "dso_scheme" config
972 # string entry into using the following logic;
973 if (!$disabled{dso} && $target{dso_scheme} ne "")
974 {
975 $target{dso_scheme} =~ tr/[a-z]/[A-Z]/;
976 if ($target{dso_scheme} eq "DLFCN")
977 {
978 unshift @{$config{defines}}, "DSO_DLFCN", "HAVE_DLFCN_H";
979 }
980 elsif ($target{dso_scheme} eq "DLFCN_NO_H")
981 {
982 unshift @{$config{defines}}, "DSO_DLFCN";
983 }
984 else
985 {
986 unshift @{$config{defines}}, "DSO_$target{dso_scheme}";
987 }
988 }
989
990 $config{ex_libs}="$libs$config{ex_libs}" if ($libs ne "");
991
992 if ($disabled{asm})
993 {
994 if ($config{fips})
995 {
996 @{$config{defines}} = grep !/^[BL]_ENDIAN$/, @{$config{defines}};
997 @{$target{defines}} = grep !/^[BL]_ENDIAN$/, @{$target{defines}};
998 }
999 }
1000
1001 # If threads aren't disabled, check how possible they are
1002 unless ($disabled{threads}) {
1003 if ($auto_threads) {
1004 # Enabled by default, disable it forcibly if unavailable
1005 if ($target{thread_scheme} eq "(unknown)") {
1006 $disabled{threads} = "unavailable";
1007 }
1008 } else {
1009 # The user chose to enable threads explicitly, let's see
1010 # if there's a chance that's possible
1011 if ($target{thread_scheme} eq "(unknown)") {
1012 # If the user asked for "threads" and we don't have internal
1013 # knowledge how to do it, [s]he is expected to provide any
1014 # system-dependent compiler options that are necessary. We
1015 # can't truly check that the given options are correct, but
1016 # we expect the user to know what [s]He is doing.
1017 if ($no_user_cflags && $no_user_defines) {
1018 die "You asked for multi-threading support, but didn't\n"
1019 ,"provide any system-specific compiler options\n";
1020 }
1021 }
1022 }
1023 }
1024
1025 # If threads still aren't disabled, add a C macro to ensure the source
1026 # code knows about it. Any other flag is taken care of by the configs.
1027 unless($disabled{threads}) {
1028 foreach (("defines", "openssl_thread_defines")) {
1029 push @{$config{$_}}, "OPENSSL_THREADS";
1030 }
1031 }
1032
1033 # With "deprecated" disable all deprecated features.
1034 if (defined($disabled{"deprecated"})) {
1035 $config{api} = $maxapi;
1036 }
1037
1038 if ($target{shared_target} eq "")
1039 {
1040 $no_shared_warn = 1
1041 if ((!$disabled{shared} || !$disabled{"dynamic-engine"})
1042 && !$config{fips});
1043 $disabled{shared} = "no-shared-target";
1044 $disabled{pic} = $disabled{shared} = $disabled{"dynamic-engine"} =
1045 "no-shared-target";
1046 }
1047
1048 if ($disabled{"dynamic-engine"}) {
1049 push @{$config{defines}}, "OPENSSL_NO_DYNAMIC_ENGINE";
1050 $config{dynamic_engines} = 0;
1051 } else {
1052 push @{$config{defines}}, "OPENSSL_NO_STATIC_ENGINE";
1053 $config{dynamic_engines} = 1;
1054 }
1055
1056 unless ($disabled{"fuzz-libfuzzer"}) {
1057 $config{cflags} .= "-fsanitize-coverage=edge,indirect-calls ";
1058 }
1059
1060 unless ($disabled{asan}) {
1061 $config{cflags} .= "-fsanitize=address ";
1062 }
1063
1064 unless ($disabled{ubsan}) {
1065 # -DPEDANTIC or -fnosanitize=alignment may also be required on some
1066 # platforms.
1067 $config{cflags} .= "-fsanitize=undefined -fno-sanitize-recover=all ";
1068 }
1069
1070 unless ($disabled{msan}) {
1071 $config{cflags} .= "-fsanitize=memory ";
1072 }
1073
1074 unless ($disabled{"fuzz-libfuzzer"} && $disabled{"fuzz-afl"}
1075 && $disabled{asan} && $disabled{ubsan} && $disabled{msan}) {
1076 $config{cflags} .= "-fno-omit-frame-pointer -g ";
1077 }
1078 #
1079 # Platform fix-ups
1080 #
1081
1082 # This saves the build files from having to check
1083 if ($disabled{pic})
1084 {
1085 $target{shared_cflag} = $target{shared_ldflag} =
1086 $target{shared_rcflag} = "";
1087 }
1088 else
1089 {
1090 push @{$config{defines}}, "OPENSSL_PIC";
1091 }
1092
1093 if ($target{sys_id} ne "")
1094 {
1095 push @{$config{openssl_sys_defines}}, "OPENSSL_SYS_$target{sys_id}";
1096 }
1097
1098 unless ($disabled{asm}) {
1099 $target{cpuid_asm_src}=$table{DEFAULTS}->{cpuid_asm_src} if ($config{processor} eq "386");
1100 $target{bn_asm_src} =~ s/\w+-gf2m.c// if (defined($disabled{ec2m}));
1101
1102 # bn-586 is the only one implementing bn_*_part_words
1103 push @{$config{defines}}, "OPENSSL_BN_ASM_PART_WORDS" if ($target{bn_asm_src} =~ /bn-586/);
1104 push @{$config{defines}}, "OPENSSL_IA32_SSE2" if (!$no_sse2 && $target{bn_asm_src} =~ /86/);
1105
1106 push @{$config{defines}}, "OPENSSL_BN_ASM_MONT" if ($target{bn_asm_src} =~ /-mont/);
1107 push @{$config{defines}}, "OPENSSL_BN_ASM_MONT5" if ($target{bn_asm_src} =~ /-mont5/);
1108 push @{$config{defines}}, "OPENSSL_BN_ASM_GF2m" if ($target{bn_asm_src} =~ /-gf2m/);
1109
1110 if ($config{fips}) {
1111 push @{$config{openssl_other_defines}}, "OPENSSL_FIPS";
1112 }
1113
1114 if ($target{sha1_asm_src}) {
1115 push @{$config{defines}}, "SHA1_ASM" if ($target{sha1_asm_src} =~ /sx86/ || $target{sha1_asm_src} =~ /sha1/);
1116 push @{$config{defines}}, "SHA256_ASM" if ($target{sha1_asm_src} =~ /sha256/);
1117 push @{$config{defines}}, "SHA512_ASM" if ($target{sha1_asm_src} =~ /sha512/);
1118 }
1119 if ($target{md5_asm_src}) {
1120 push @{$config{defines}}, "MD5_ASM";
1121 }
1122 $target{cast_asm_src}=$table{DEFAULTS}->{cast_asm_src} unless $disabled{pic}; # CAST assembler is not PIC
1123 if ($target{rmd160_asm_src}) {
1124 push @{$config{defines}}, "RMD160_ASM";
1125 }
1126 if ($target{aes_asm_src}) {
1127 push @{$config{defines}}, "AES_ASM" if ($target{aes_asm_src} =~ m/\baes-/);;
1128 # aes-ctr.fake is not a real file, only indication that assembler
1129 # module implements AES_ctr32_encrypt...
1130 push @{$config{defines}}, "AES_CTR_ASM" if ($target{aes_asm_src} =~ s/\s*aes-ctr\.fake//);
1131 # aes-xts.fake indicates presence of AES_xts_[en|de]crypt...
1132 push @{$config{defines}}, "AES_XTS_ASM" if ($target{aes_asm_src} =~ s/\s*aes-xts\.fake//);
1133 $target{aes_asm_src} =~ s/\s*(vpaes|aesni)-x86\.s//g if ($no_sse2);
1134 push @{$config{defines}}, "VPAES_ASM" if ($target{aes_asm_src} =~ m/vpaes/);
1135 push @{$config{defines}}, "BSAES_ASM" if ($target{aes_asm_src} =~ m/bsaes/);
1136 }
1137 if ($target{wp_asm_src} =~ /mmx/) {
1138 if ($config{processor} eq "386") {
1139 $target{wp_asm_src}=$table{DEFAULTS}->{wp_asm_src};
1140 } elsif (!$disabled{"whirlpool"}) {
1141 push @{$config{defines}}, "WHIRLPOOL_ASM";
1142 }
1143 }
1144 if ($target{modes_asm_src} =~ /ghash-/) {
1145 push @{$config{defines}}, "GHASH_ASM";
1146 }
1147 if ($target{ec_asm_src} =~ /ecp_nistz256/) {
1148 push @{$config{defines}}, "ECP_NISTZ256_ASM";
1149 }
1150 if ($target{poly1305_asm_src} ne "") {
1151 push @{$config{defines}}, "POLY1305_ASM";
1152 }
1153 }
1154
1155 my $ecc = $target{cc};
1156 if ($^O ne "VMS" && !$disabled{makedepend}) {
1157 # Is the compiler gcc or clang? $ecc is used below to see if
1158 # error-checking can be turned on.
1159 my $ccpcc = "$config{cross_compile_prefix}$target{cc}";
1160 open(PIPE, "$ccpcc --version 2>&1 |");
1161 my $lines = 2;
1162 while ( <PIPE> ) {
1163 # Find the version number and save the major.
1164 m|(?:.*)\b(\d+)\.\d+\.\d+\b(?:.*)|;
1165 my $compiler_major = $1;
1166 # We know that GNU C version 3 and up as well as all clang
1167 # versions support dependency generation
1168 $config{makedepprog} = $ccpcc
1169 if (/clang/ || (/gcc/ && $compiler_major > 3));
1170 $ecc = "clang" if /clang/;
1171 $ecc = "gcc" if /gcc/;
1172 last if ($config{makedepprog} || !$lines--);
1173 }
1174 close(PIPE);
1175
1176 $config{makedepprog} = which('makedepend') unless $config{makedepprog};
1177 $disabled{makedepend} = "unavailable" unless $config{makedepprog};
1178 }
1179
1180
1181
1182 # Deal with bn_ops ###################################################
1183
1184 $config{bn_ll} =0;
1185 $config{export_var_as_fn} =0;
1186 my $def_int="unsigned int";
1187 $config{rc4_int} =$def_int;
1188 ($config{b64l},$config{b64},$config{b32})=(0,0,1);
1189
1190 my $count = 0;
1191 foreach (sort split(/\s+/,$target{bn_ops})) {
1192 $count++ if /SIXTY_FOUR_BIT|SIXTY_FOUR_BIT_LONG|THIRTY_TWO_BIT/;
1193 $config{export_var_as_fn}=1 if $_ eq 'EXPORT_VAR_AS_FN';
1194 $config{bn_ll}=1 if $_ eq 'BN_LLONG';
1195 $config{rc4_int}="unsigned char" if $_ eq 'RC4_CHAR';
1196 ($config{b64l},$config{b64},$config{b32})
1197 =(0,1,0) if $_ eq 'SIXTY_FOUR_BIT';
1198 ($config{b64l},$config{b64},$config{b32})
1199 =(1,0,0) if $_ eq 'SIXTY_FOUR_BIT_LONG';
1200 ($config{b64l},$config{b64},$config{b32})
1201 =(0,0,1) if $_ eq 'THIRTY_TWO_BIT';
1202 }
1203 die "Exactly one of SIXTY_FOUR_BIT|SIXTY_FOUR_BIT_LONG|THIRTY_TWO_BIT can be set in bn_ops\n"
1204 if $count > 1;
1205
1206
1207 # Hack cflags for better warnings (dev option) #######################
1208
1209 # "Stringify" the C flags string. This permits it to be made part of a string
1210 # and works as well on command lines.
1211 $config{cflags} =~ s/([\\\"])/\\$1/g;
1212
1213 if (defined($config{api})) {
1214 $config{openssl_api_defines} = [ "OPENSSL_MIN_API=".$apitable->{$config{api}} ];
1215 my $apiflag = sprintf("OPENSSL_API_COMPAT=%s", $apitable->{$config{api}});
1216 push @{$config{defines}}, $apiflag;
1217 }
1218
1219 if ($strict_warnings)
1220 {
1221 my $wopt;
1222 die "ERROR --strict-warnings requires gcc or clang"
1223 unless $ecc eq 'gcc' || $ecc eq 'clang';
1224 foreach $wopt (split /\s+/, $gcc_devteam_warn)
1225 {
1226 $config{cflags} .= " $wopt" unless ($config{cflags} =~ /(?:^|\s)$wopt(?:\s|$)/)
1227 }
1228 if ($ecc eq "clang")
1229 {
1230 foreach $wopt (split /\s+/, $clang_devteam_warn)
1231 {
1232 $config{cflags} .= " $wopt" unless ($config{cflags} =~ /(?:^|\s)$wopt(?:\s|$)/)
1233 }
1234 }
1235 }
1236
1237 unless ($disabled{"crypto-mdebug-backtrace"})
1238 {
1239 foreach my $wopt (split /\s+/, $memleak_devteam_backtrace)
1240 {
1241 $config{cflags} .= " $wopt" unless ($config{cflags} =~ /(?:^|\s)$wopt(?:\s|$)/)
1242 }
1243 if ($target =~ /^BSD-/)
1244 {
1245 $config{ex_libs} .= " -lexecinfo";
1246 }
1247 }
1248
1249 if ($user_cflags ne "") { $config{cflags}="$config{cflags}$user_cflags"; }
1250 else { $no_user_cflags=1; }
1251 if (@user_defines) { $config{defines}=[ @{$config{defines}}, @user_defines ]; }
1252 else { $no_user_defines=1; }
1253
1254 # ALL MODIFICATIONS TO %config and %target MUST BE DONE FROM HERE ON
1255
1256 unless ($disabled{afalgeng}) {
1257 $config{afalgeng}="";
1258 if ($target =~ m/^linux/) {
1259 my $minver = 4*10000 + 1*100 + 0;
1260 if ($config{cross_compile_prefix} eq "") {
1261 my $verstr = `uname -r`;
1262 my ($ma, $mi1, $mi2) = split("\\.", $verstr);
1263 ($mi2) = $mi2 =~ /(\d+)/;
1264 my $ver = $ma*10000 + $mi1*100 + $mi2;
1265 if ($ver < $minver) {
1266 $disabled{afalgeng} = "too-old-kernel";
1267 } else {
1268 push @{$config{engdirs}}, "afalg";
1269 }
1270 } else {
1271 $disabled{afalgeng} = "cross-compiling";
1272 }
1273 } else {
1274 $disabled{afalgeng} = "not-linux";
1275 }
1276 }
1277
1278 push @{$config{openssl_other_defines}}, "OPENSSL_NO_AFALGENG" if ($disabled{afalgeng});
1279
1280 # If we use the unified build, collect information from build.info files
1281 my %unified_info = ();
1282
1283 my $buildinfo_debug = defined($ENV{CONFIGURE_DEBUG_BUILDINFO});
1284 if ($builder eq "unified") {
1285 # Store the name of the template file we will build the build file from
1286 # in %config. This may be useful for the build file itself.
1287 my $build_file_template;
1288
1289 for my $filename (( $builder_platform."-".$target{build_file}.".tmpl",
1290 $target{build_file}.".tmpl" )) {
1291 if (defined $ENV{$local_config_envname}) {
1292 if ($^O eq 'VMS') {
1293 # VMS environment variables are logical names,
1294 # which can be used as is
1295 $build_file_template = $local_config_envname . ':' . $filename;
1296 } else {
1297 $build_file_template = catfile($ENV{$local_config_envname},
1298 $filename);
1299 }
1300 }
1301
1302 last if -f $build_file_template;
1303
1304 $build_file_template = catfile($srcdir, "Configurations", $filename);
1305
1306 last if -f $build_file_template;
1307 }
1308 $config{build_file_template} = $build_file_template;
1309
1310 use lib catdir(dirname(__FILE__),"util");
1311 use with_fallback qw(Text::Template);
1312
1313 sub cleandir {
1314 my $base = shift;
1315 my $dir = shift;
1316 my $relativeto = shift || ".";
1317
1318 $dir = catdir($base,$dir) unless isabsolute($dir);
1319
1320 # Make sure the directories we're building in exists
1321 mkpath($dir);
1322
1323 my $res = abs2rel(absolutedir($dir), rel2abs($relativeto));
1324 #print STDERR "DEBUG[cleandir]: $dir , $base => $res\n";
1325 return $res;
1326 }
1327
1328 sub cleanfile {
1329 my $base = shift;
1330 my $file = shift;
1331 my $relativeto = shift || ".";
1332
1333 $file = catfile($base,$file) unless isabsolute($file);
1334
1335 my $d = dirname($file);
1336 my $f = basename($file);
1337
1338 # Make sure the directories we're building in exists
1339 mkpath($d);
1340
1341 my $res = abs2rel(catfile(absolutedir($d), $f), rel2abs($relativeto));
1342 #print STDERR "DEBUG[cleanfile]: $d , $f => $res\n";
1343 return $res;
1344 }
1345
1346 my @build_infos = ( [ ".", "build.info" ] );
1347 foreach (@{$config{dirs}}) {
1348 push @build_infos, [ $_, "build.info" ]
1349 if (-f catfile($srcdir, $_, "build.info"));
1350 }
1351 foreach (@{$config{sdirs}}) {
1352 push @build_infos, [ catdir("crypto", $_), "build.info" ]
1353 if (-f catfile($srcdir, "crypto", $_, "build.info"));
1354 }
1355 foreach (@{$config{engdirs}}) {
1356 push @build_infos, [ catdir("engines", $_), "build.info" ]
1357 if (-f catfile($srcdir, "engines", $_, "build.info"));
1358 }
1359
1360 $config{build_infos} = [ ];
1361
1362 foreach (@build_infos) {
1363 my $sourced = catdir($srcdir, $_->[0]);
1364 my $buildd = catdir($blddir, $_->[0]);
1365
1366 mkpath($buildd);
1367
1368 my $f = $_->[1];
1369 # The basic things we're trying to build
1370 my @programs = ();
1371 my @programs_install = ();
1372 my @libraries = ();
1373 my @libraries_install = ();
1374 my @engines = ();
1375 my @engines_install = ();
1376 my @scripts = ();
1377 my @scripts_install = ();
1378 my @extra = ();
1379 my @overrides = ();
1380 my @intermediates = ();
1381 my @rawlines = ();
1382
1383 my %ordinals = ();
1384 my %sources = ();
1385 my %shared_sources = ();
1386 my %includes = ();
1387 my %depends = ();
1388 my %renames = ();
1389 my %sharednames = ();
1390 my %generate = ();
1391
1392 push @{$config{build_infos}}, catfile(abs2rel($sourced, $blddir), $f);
1393 my $template = Text::Template->new(TYPE => 'FILE',
1394 SOURCE => catfile($sourced, $f));
1395 die "Something went wrong with $sourced/$f: $!\n" unless $template;
1396 my @text =
1397 split /^/m,
1398 $template->fill_in(HASH => { config => \%config,
1399 target => \%target,
1400 disabled => \%disabled,
1401 withargs => \%withargs,
1402 builddir => abs2rel($buildd, $blddir),
1403 sourcedir => abs2rel($sourced, $blddir),
1404 buildtop => abs2rel($blddir, $blddir),
1405 sourcetop => abs2rel($srcdir, $blddir) },
1406 DELIMITERS => [ "{-", "-}" ]);
1407
1408 # The top item of this stack has the following values
1409 # -2 positive already run and we found ELSE (following ELSIF should fail)
1410 # -1 positive already run (skip until ENDIF)
1411 # 0 negatives so far (if we're at a condition, check it)
1412 # 1 last was positive (don't skip lines until next ELSE, ELSIF or ENDIF)
1413 # 2 positive ELSE (following ELSIF should fail)
1414 my @skip = ();
1415 collect_information(
1416 collect_from_array([ @text ],
1417 qr/\\$/ => sub { my $l1 = shift; my $l2 = shift;
1418 $l1 =~ s/\\$//; $l1.$l2 }),
1419 # Info we're looking for
1420 qr/^\s*IF\[((?:\\.|[^\\\]])*)\]\s*$/
1421 => sub {
1422 if (! @skip || $skip[$#skip] > 0) {
1423 push @skip, !! $1;
1424 } else {
1425 push @skip, -1;
1426 }
1427 },
1428 qr/^\s*ELSIF\[((?:\\.|[^\\\]])*)\]\s*$/
1429 => sub { die "ELSIF out of scope" if ! @skip;
1430 die "ELSIF following ELSE" if abs($skip[$#skip]) == 2;
1431 $skip[$#skip] = -1 if $skip[$#skip] != 0;
1432 $skip[$#skip] = !! $1
1433 if $skip[$#skip] == 0; },
1434 qr/^\s*ELSE\s*$/
1435 => sub { die "ELSE out of scope" if ! @skip;
1436 $skip[$#skip] = -2 if $skip[$#skip] != 0;
1437 $skip[$#skip] = 2 if $skip[$#skip] == 0; },
1438 qr/^\s*ENDIF\s*$/
1439 => sub { die "ENDIF out of scope" if ! @skip;
1440 pop @skip; },
1441 qr/^\s*PROGRAMS(_NO_INST)?\s*=\s*(.*)\s*$/
1442 => sub {
1443 if (!@skip || $skip[$#skip] > 0) {
1444 my $install = $1;
1445 my @x = tokenize($2);
1446 push @programs, @x;
1447 push @programs_install, @x unless $install;
1448 }
1449 },
1450 qr/^\s*LIBS(_NO_INST)?\s*=\s*(.*)\s*$/
1451 => sub {
1452 if (!@skip || $skip[$#skip] > 0) {
1453 my $install = $1;
1454 my @x = tokenize($2);
1455 push @libraries, @x;
1456 push @libraries_install, @x unless $install;
1457 }
1458 },
1459 qr/^\s*ENGINES(_NO_INST)?\s*=\s*(.*)\s*$/
1460 => sub {
1461 if (!@skip || $skip[$#skip] > 0) {
1462 my $install = $1;
1463 my @x = tokenize($2);
1464 push @engines, @x;
1465 push @engines_install, @x unless $install;
1466 }
1467 },
1468 qr/^\s*SCRIPTS(_NO_INST)?\s*=\s*(.*)\s*$/
1469 => sub {
1470 if (!@skip || $skip[$#skip] > 0) {
1471 my $install = $1;
1472 my @x = tokenize($2);
1473 push @scripts, @x;
1474 push @scripts_install, @x unless $install;
1475 }
1476 },
1477 qr/^\s*EXTRA\s*=\s*(.*)\s*$/
1478 => sub { push @extra, tokenize($1)
1479 if !@skip || $skip[$#skip] > 0 },
1480 qr/^\s*OVERRIDES\s*=\s*(.*)\s*$/
1481 => sub { push @overrides, tokenize($1)
1482 if !@skip || $skip[$#skip] > 0 },
1483
1484 qr/^\s*ORDINALS\[((?:\\.|[^\\\]])+)\]\s*=\s*(.*)\s*$/,
1485 => sub { push @{$ordinals{$1}}, tokenize($2)
1486 if !@skip || $skip[$#skip] > 0 },
1487 qr/^\s*SOURCE\[((?:\\.|[^\\\]])+)\]\s*=\s*(.*)\s*$/
1488 => sub { push @{$sources{$1}}, tokenize($2)
1489 if !@skip || $skip[$#skip] > 0 },
1490 qr/^\s*SHARED_SOURCE\[((?:\\.|[^\\\]])+)\]\s*=\s*(.*)\s*$/
1491 => sub { push @{$shared_sources{$1}}, tokenize($2)
1492 if !@skip || $skip[$#skip] > 0 },
1493 qr/^\s*INCLUDE\[((?:\\.|[^\\\]])+)\]\s*=\s*(.*)\s*$/
1494 => sub { push @{$includes{$1}}, tokenize($2)
1495 if !@skip || $skip[$#skip] > 0 },
1496 qr/^\s*DEPEND\[((?:\\.|[^\\\]])*)\]\s*=\s*(.*)\s*$/
1497 => sub { push @{$depends{$1}}, tokenize($2)
1498 if !@skip || $skip[$#skip] > 0 },
1499 qr/^\s*GENERATE\[((?:\\.|[^\\\]])+)\]\s*=\s*(.*)\s*$/
1500 => sub { push @{$generate{$1}}, $2
1501 if !@skip || $skip[$#skip] > 0 },
1502 qr/^\s*RENAME\[((?:\\.|[^\\\]])+)\]\s*=\s*(.*)\s*$/
1503 => sub { push @{$renames{$1}}, tokenize($2)
1504 if !@skip || $skip[$#skip] > 0 },
1505 qr/^\s*SHARED_NAME\[((?:\\.|[^\\\]])+)\]\s*=\s*(.*)\s*$/
1506 => sub { push @{$sharednames{$1}}, tokenize($2)
1507 if !@skip || $skip[$#skip] > 0 },
1508 qr/^\s*BEGINRAW\[((?:\\.|[^\\\]])+)\]\s*$/
1509 => sub {
1510 my $lineiterator = shift;
1511 my $target_kind = $1;
1512 while (defined $lineiterator->()) {
1513 s|\R$||;
1514 if (/^\s*ENDRAW\[((?:\\.|[^\\\]])+)\]\s*$/) {
1515 die "ENDRAW doesn't match BEGINRAW"
1516 if $1 ne $target_kind;
1517 last;
1518 }
1519 next if @skip && $skip[$#skip] <= 0;
1520 push @rawlines, $_
1521 if ($target_kind eq $target{build_file}
1522 || $target_kind eq $target{build_file}."(".$builder_platform.")");
1523 }
1524 },
1525 qr/^(?:#.*|\s*)$/ => sub { },
1526 "OTHERWISE" => sub { die "Something wrong with this line:\n$_\nat $sourced/$f" },
1527 "BEFORE" => sub {
1528 if ($buildinfo_debug) {
1529 print STDERR "DEBUG: Parsing ",join(" ", @_),"\n";
1530 print STDERR "DEBUG: ... before parsing, skip stack is ",join(" ", map { int($_) } @skip),"\n";
1531 }
1532 },
1533 "AFTER" => sub {
1534 if ($buildinfo_debug) {
1535 print STDERR "DEBUG: .... after parsing, skip stack is ",join(" ", map { int($_) } @skip),"\n";
1536 }
1537 },
1538 );
1539 die "runaway IF?" if (@skip);
1540
1541 foreach (keys %renames) {
1542 die "$_ renamed to more than one thing: "
1543 ,join(" ", @{$renames{$_}}),"\n"
1544 if scalar @{$renames{$_}} > 1;
1545 my $dest = cleanfile($buildd, $_, $blddir);
1546 my $to = cleanfile($buildd, $renames{$_}->[0], $blddir);
1547 die "$dest renamed to more than one thing: "
1548 ,$unified_info{rename}->{$dest}, $to
1549 unless !defined($unified_info{rename}->{$dest})
1550 or $unified_info{rename}->{$dest} eq $to;
1551 $unified_info{rename}->{$dest} = $to;
1552 }
1553
1554 foreach (@programs) {
1555 my $program = cleanfile($buildd, $_, $blddir);
1556 if ($unified_info{rename}->{$program}) {
1557 $program = $unified_info{rename}->{$program};
1558 }
1559 $unified_info{programs}->{$program} = 1;
1560 }
1561
1562 foreach (@programs_install) {
1563 my $program = cleanfile($buildd, $_, $blddir);
1564 if ($unified_info{rename}->{$program}) {
1565 $program = $unified_info{rename}->{$program};
1566 }
1567 $unified_info{install}->{programs}->{$program} = 1;
1568 }
1569
1570 foreach (@libraries) {
1571 my $library = cleanfile($buildd, $_, $blddir);
1572 if ($unified_info{rename}->{$library}) {
1573 $library = $unified_info{rename}->{$library};
1574 }
1575 $unified_info{libraries}->{$library} = 1;
1576 }
1577
1578 foreach (@libraries_install) {
1579 my $library = cleanfile($buildd, $_, $blddir);
1580 if ($unified_info{rename}->{$library}) {
1581 $library = $unified_info{rename}->{$library};
1582 }
1583 $unified_info{install}->{libraries}->{$library} = 1;
1584 }
1585
1586 die <<"EOF" if scalar @engines and !$config{dynamic_engines};
1587 ENGINES can only be used if configured with 'dynamic-engine'.
1588 This is usually a fault in a build.info file.
1589 EOF
1590 foreach (@engines) {
1591 my $library = cleanfile($buildd, $_, $blddir);
1592 if ($unified_info{rename}->{$library}) {
1593 $library = $unified_info{rename}->{$library};
1594 }
1595 $unified_info{engines}->{$library} = 1;
1596 }
1597
1598 foreach (@engines_install) {
1599 my $library = cleanfile($buildd, $_, $blddir);
1600 if ($unified_info{rename}->{$library}) {
1601 $library = $unified_info{rename}->{$library};
1602 }
1603 $unified_info{install}->{engines}->{$library} = 1;
1604 }
1605
1606 foreach (@scripts) {
1607 my $script = cleanfile($buildd, $_, $blddir);
1608 if ($unified_info{rename}->{$script}) {
1609 $script = $unified_info{rename}->{$script};
1610 }
1611 $unified_info{scripts}->{$script} = 1;
1612 }
1613
1614 foreach (@scripts_install) {
1615 my $script = cleanfile($buildd, $_, $blddir);
1616 if ($unified_info{rename}->{$script}) {
1617 $script = $unified_info{rename}->{$script};
1618 }
1619 $unified_info{install}->{scripts}->{$script} = 1;
1620 }
1621
1622 foreach (@extra) {
1623 my $extra = cleanfile($buildd, $_, $blddir);
1624 $unified_info{extra}->{$extra} = 1;
1625 }
1626
1627 foreach (@overrides) {
1628 my $override = cleanfile($buildd, $_, $blddir);
1629 $unified_info{overrides}->{$override} = 1;
1630 }
1631
1632 push @{$unified_info{rawlines}}, @rawlines;
1633
1634 unless ($disabled{shared}) {
1635 # Check sharednames.
1636 foreach (keys %sharednames) {
1637 my $dest = cleanfile($buildd, $_, $blddir);
1638 if ($unified_info{rename}->{$dest}) {
1639 $dest = $unified_info{rename}->{$dest};
1640 }
1641 die "shared_name for $dest with multiple values: "
1642 ,join(" ", @{$sharednames{$_}}),"\n"
1643 if scalar @{$sharednames{$_}} > 1;
1644 my $to = cleanfile($buildd, $sharednames{$_}->[0], $blddir);
1645 die "shared_name found for a library $dest that isn't defined\n"
1646 unless $unified_info{libraries}->{$dest};
1647 die "shared_name for $dest with multiple values: "
1648 ,$unified_info{sharednames}->{$dest}, ", ", $to
1649 unless !defined($unified_info{sharednames}->{$dest})
1650 or $unified_info{sharednames}->{$dest} eq $to;
1651 $unified_info{sharednames}->{$dest} = $to;
1652 }
1653
1654 # Additionally, we set up sharednames for libraries that don't
1655 # have any, as themselves.
1656 foreach (keys %{$unified_info{libraries}}) {
1657 if (!defined $unified_info{sharednames}->{$_}) {
1658 $unified_info{sharednames}->{$_} = $_
1659 }
1660 }
1661 }
1662
1663 foreach (keys %ordinals) {
1664 my $dest = $_;
1665 my $ddest = cleanfile($buildd, $_, $blddir);
1666 if ($unified_info{rename}->{$ddest}) {
1667 $ddest = $unified_info{rename}->{$ddest};
1668 }
1669 foreach (@{$ordinals{$dest}}) {
1670 my %known_ordinals =
1671 (
1672 crypto =>
1673 cleanfile($sourced, catfile("util", "libcrypto.num"), $blddir),
1674 ssl =>
1675 cleanfile($sourced, catfile("util", "libssl.num"), $blddir)
1676 );
1677 my $o = $known_ordinals{$_};
1678 die "Ordinals for $ddest defined more than once\n"
1679 if $unified_info{ordinals}->{$ddest};
1680 $unified_info{ordinals}->{$ddest} = [ $_, $o ];
1681 }
1682 }
1683
1684 foreach (keys %sources) {
1685 my $dest = $_;
1686 my $ddest = cleanfile($buildd, $_, $blddir);
1687 if ($unified_info{rename}->{$ddest}) {
1688 $ddest = $unified_info{rename}->{$ddest};
1689 }
1690 foreach (@{$sources{$dest}}) {
1691 my $s = cleanfile($sourced, $_, $blddir);
1692
1693 # If it isn't in the source tree, we assume it's generated
1694 # in the build tree
1695 if (! -f $s) {
1696 $s = cleanfile($buildd, $_, $blddir);
1697 }
1698 # We recognise C and asm files
1699 if ($s =~ /\.[csS]\b$/) {
1700 (my $o = $_) =~ s/\.[csS]\b$/.o/;
1701 $o = cleanfile($buildd, $o, $blddir);
1702 $unified_info{sources}->{$ddest}->{$o} = 1;
1703 $unified_info{sources}->{$o}->{$s} = 1;
1704 } else {
1705 $unified_info{sources}->{$ddest}->{$s} = 1;
1706 }
1707 }
1708 }
1709
1710 foreach (keys %shared_sources) {
1711 my $dest = $_;
1712 my $ddest = cleanfile($buildd, $_, $blddir);
1713 if ($unified_info{rename}->{$ddest}) {
1714 $ddest = $unified_info{rename}->{$ddest};
1715 }
1716 foreach (@{$shared_sources{$dest}}) {
1717 my $s = cleanfile($sourced, $_, $blddir);
1718
1719 # If it isn't in the source tree, we assume it's generated
1720 # in the build tree
1721 if (! -f $s) {
1722 $s = cleanfile($buildd, $_, $blddir);
1723 }
1724 # We recognise C and asm files
1725 if ($s =~ /\.[csS]\b$/) {
1726 (my $o = $_) =~ s/\.[csS]\b$/.o/;
1727 $o = cleanfile($buildd, $o, $blddir);
1728 $unified_info{shared_sources}->{$ddest}->{$o} = 1;
1729 $unified_info{sources}->{$o}->{$s} = 1;
1730 } else {
1731 die "unrecognised source file type for shared library: $s\n";
1732 }
1733 }
1734 }
1735
1736 foreach (keys %generate) {
1737 my $dest = $_;
1738 my $ddest = cleanfile($buildd, $_, $blddir);
1739 if ($unified_info{rename}->{$ddest}) {
1740 $ddest = $unified_info{rename}->{$ddest};
1741 }
1742 die "more than one generator for $dest: "
1743 ,join(" ", @{$generate{$_}}),"\n"
1744 if scalar @{$generate{$_}} > 1;
1745 my @generator = split /\s+/, $generate{$dest}->[0];
1746 $generator[0] = cleanfile($sourced, $generator[0], $blddir),
1747 $unified_info{generate}->{$ddest} = [ @generator ];
1748 }
1749
1750 foreach (keys %depends) {
1751 my $dest = $_;
1752 my $ddest = $dest eq "" ? "" : cleanfile($sourced, $_, $blddir);
1753
1754 # If the destination doesn't exist in source, it can only be
1755 # a generated file in the build tree.
1756 if ($ddest ne "" && ! -f $ddest) {
1757 $ddest = cleanfile($buildd, $_, $blddir);
1758 if ($unified_info{rename}->{$ddest}) {
1759 $ddest = $unified_info{rename}->{$ddest};
1760 }
1761 }
1762 foreach (@{$depends{$dest}}) {
1763 my $d = cleanfile($sourced, $_, $blddir);
1764
1765 # If we know it's generated, or assume it is because we can't
1766 # find it in the source tree, we set file we depend on to be
1767 # in the build tree rather than the source tree, and assume
1768 # and that there are lines to build it in a BEGINRAW..ENDRAW
1769 # section or in the Makefile template.
1770 if (! -f $d
1771 || (grep { $d eq $_ }
1772 map { cleanfile($srcdir, $_, $blddir) }
1773 grep { /\.h$/ } keys %{$unified_info{generate}})) {
1774 $d = cleanfile($buildd, $_, $blddir);
1775 }
1776 # Take note if the file to depend on is being renamed
1777 if ($unified_info{rename}->{$d}) {
1778 $d = $unified_info{rename}->{$d};
1779 }
1780 $unified_info{depends}->{$ddest}->{$d} = 1;
1781 # If we depend on a header file or a perl module, let's make
1782 # sure it can get included
1783 if ($dest ne "" && $d =~ /\.(h|pm)$/) {
1784 my $i = dirname($d);
1785 push @{$unified_info{includes}->{$ddest}->{source}}, $i
1786 unless grep { $_ eq $i } @{$unified_info{includes}->{$ddest}->{source}};
1787 }
1788 }
1789 }
1790
1791 foreach (keys %includes) {
1792 my $dest = $_;
1793 my $ddest = cleanfile($sourced, $_, $blddir);
1794
1795 # If the destination doesn't exist in source, it can only be
1796 # a generated file in the build tree.
1797 if (! -f $ddest) {
1798 $ddest = cleanfile($buildd, $_, $blddir);
1799 if ($unified_info{rename}->{$ddest}) {
1800 $ddest = $unified_info{rename}->{$ddest};
1801 }
1802 }
1803 foreach (@{$includes{$dest}}) {
1804 my $is = cleandir($sourced, $_, $blddir);
1805 my $ib = cleandir($buildd, $_, $blddir);
1806 push @{$unified_info{includes}->{$ddest}->{source}}, $is
1807 unless grep { $_ eq $is } @{$unified_info{includes}->{$ddest}->{source}};
1808 push @{$unified_info{includes}->{$ddest}->{build}}, $ib
1809 unless grep { $_ eq $ib } @{$unified_info{includes}->{$ddest}->{build}};
1810 }
1811 }
1812 }
1813
1814 ### Make unified_info a bit more efficient
1815 # One level structures
1816 foreach (("programs", "libraries", "engines", "scripts", "extra", "overrides")) {
1817 $unified_info{$_} = [ sort keys %{$unified_info{$_}} ];
1818 }
1819 # Two level structures
1820 foreach my $l1 (("install", "sources", "shared_sources", "ldadd", "depends")) {
1821 foreach my $l2 (sort keys %{$unified_info{$l1}}) {
1822 $unified_info{$l1}->{$l2} =
1823 [ sort keys %{$unified_info{$l1}->{$l2}} ];
1824 }
1825 }
1826 # Includes
1827 foreach my $dest (sort keys %{$unified_info{includes}}) {
1828 if (defined($unified_info{includes}->{$dest}->{build})) {
1829 my @source_includes =
1830 ( @{$unified_info{includes}->{$dest}->{source}} );
1831 $unified_info{includes}->{$dest} =
1832 [ @{$unified_info{includes}->{$dest}->{build}} ];
1833 foreach my $inc (@source_includes) {
1834 push @{$unified_info{includes}->{$dest}}, $inc
1835 unless grep { $_ eq $inc } @{$unified_info{includes}->{$dest}};
1836 }
1837 } else {
1838 $unified_info{includes}->{$dest} =
1839 [ @{$unified_info{includes}->{$dest}->{source}} ];
1840 }
1841 }
1842 }
1843
1844 # For the schemes that need it, we provide the old *_obj configs
1845 # from the *_asm_obj ones
1846 foreach (grep /_(asm|aux)_src$/, keys %target) {
1847 my $src = $_;
1848 (my $obj = $_) =~ s/_(asm|aux)_src$/_obj/;
1849 ($target{$obj} = $target{$src}) =~ s/\.[csS]\b/.o/g;
1850 }
1851
1852 # Write down our configuration where it fits #########################
1853
1854 open(OUT,">configdata.pm") || die "unable to create configdata.pm: $!\n";
1855 print OUT <<"EOF";
1856 package configdata;
1857
1858 use strict;
1859 use warnings;
1860
1861 use Exporter;
1862 #use vars qw(\@ISA \@EXPORT);
1863 our \@ISA = qw(Exporter);
1864 our \@EXPORT = qw(\%config \%target \%disabled \%withargs \%unified_info \@disablables);
1865
1866 EOF
1867 print OUT "our %config = (\n";
1868 foreach (sort keys %config) {
1869 if (ref($config{$_}) eq "ARRAY") {
1870 print OUT " ", $_, " => [ ", join(", ",
1871 map { quotify("perl", $_) }
1872 @{$config{$_}}), " ],\n";
1873 } else {
1874 print OUT " ", $_, " => ", quotify("perl", $config{$_}), ",\n"
1875 }
1876 }
1877 print OUT <<"EOF";
1878 );
1879
1880 EOF
1881 print OUT "our %target = (\n";
1882 foreach (sort keys %target) {
1883 if (ref($target{$_}) eq "ARRAY") {
1884 print OUT " ", $_, " => [ ", join(", ",
1885 map { quotify("perl", $_) }
1886 @{$target{$_}}), " ],\n";
1887 } else {
1888 print OUT " ", $_, " => ", quotify("perl", $target{$_}), ",\n"
1889 }
1890 }
1891 print OUT <<"EOF";
1892 );
1893
1894 EOF
1895 print OUT "our \%available_protocols = (\n";
1896 print OUT " tls => [ ", join(", ", map { quotify("perl", $_) } @tls), " ],\n";
1897 print OUT " dtls => [ ", join(", ", map { quotify("perl", $_) } @dtls), " ],\n";
1898 print OUT <<"EOF";
1899 );
1900
1901 EOF
1902 print OUT "our \@disablables = (\n";
1903 foreach (@disablables) {
1904 print OUT " ", quotify("perl", $_), ",\n";
1905 }
1906 print OUT <<"EOF";
1907 );
1908
1909 EOF
1910 print OUT "our \%disabled = (\n";
1911 foreach (sort keys %disabled) {
1912 print OUT " ", quotify("perl", $_), " => ", quotify("perl", $disabled{$_}), ",\n";
1913 }
1914 print OUT <<"EOF";
1915 );
1916
1917 EOF
1918 print OUT "our %withargs = (\n";
1919 foreach (sort keys %withargs) {
1920 if (ref($withargs{$_}) eq "ARRAY") {
1921 print OUT " ", $_, " => [ ", join(", ",
1922 map { quotify("perl", $_) }
1923 @{$withargs{$_}}), " ],\n";
1924 } else {
1925 print OUT " ", $_, " => ", quotify("perl", $withargs{$_}), ",\n"
1926 }
1927 }
1928 print OUT <<"EOF";
1929 );
1930
1931 EOF
1932 if ($builder eq "unified") {
1933 my $recurse;
1934 $recurse = sub {
1935 my $indent = shift;
1936 foreach (@_) {
1937 if (ref $_ eq "ARRAY") {
1938 print OUT " "x$indent, "[\n";
1939 foreach (@$_) {
1940 $recurse->($indent + 4, $_);
1941 }
1942 print OUT " "x$indent, "],\n";
1943 } elsif (ref $_ eq "HASH") {
1944 my %h = %$_;
1945 print OUT " "x$indent, "{\n";
1946 foreach (sort keys %h) {
1947 if (ref $h{$_} eq "") {
1948 print OUT " "x($indent + 4), quotify("perl", $_), " => ", quotify("perl", $h{$_}), ",\n";
1949 } else {
1950 print OUT " "x($indent + 4), quotify("perl", $_), " =>\n";
1951 $recurse->($indent + 8, $h{$_});
1952 }
1953 }
1954 print OUT " "x$indent, "},\n";
1955 } else {
1956 print OUT " "x$indent, quotify("perl", $_), ",\n";
1957 }
1958 }
1959 };
1960 print OUT "our %unified_info = (\n";
1961 foreach (sort keys %unified_info) {
1962 if (ref $unified_info{$_} eq "") {
1963 print OUT " "x4, quotify("perl", $_), " => ", quotify("perl", $unified_info{$_}), ",\n";
1964 } else {
1965 print OUT " "x4, quotify("perl", $_), " =>\n";
1966 $recurse->(8, $unified_info{$_});
1967 }
1968 }
1969 print OUT <<"EOF";
1970 );
1971
1972 EOF
1973 }
1974 print OUT "1;\n";
1975 close(OUT);
1976
1977
1978 print "CC =$config{cross_compile_prefix}$target{cc}\n";
1979 print "CFLAG =$target{cflags} $config{cflags}\n";
1980 print "SHARED_CFLAG =$target{shared_cflag}\n";
1981 print "DEFINES =",join(" ", @{$target{defines}}, @{$config{defines}}),"\n";
1982 print "LFLAG =$target{lflags}\n";
1983 print "PLIB_LFLAG =$target{plib_lflags}\n";
1984 print "EX_LIBS =$target{ex_libs} $config{ex_libs}\n";
1985 print "APPS_OBJ =$target{apps_obj}\n";
1986 print "CPUID_OBJ =$target{cpuid_obj}\n";
1987 print "UPLINK_OBJ =$target{uplink_obj}\n";
1988 print "BN_ASM =$target{bn_obj}\n";
1989 print "EC_ASM =$target{ec_obj}\n";
1990 print "DES_ENC =$target{des_obj}\n";
1991 print "AES_ENC =$target{aes_obj}\n";
1992 print "BF_ENC =$target{bf_obj}\n";
1993 print "CAST_ENC =$target{cast_obj}\n";
1994 print "RC4_ENC =$target{rc4_obj}\n";
1995 print "RC5_ENC =$target{rc5_obj}\n";
1996 print "MD5_OBJ_ASM =$target{md5_obj}\n";
1997 print "SHA1_OBJ_ASM =$target{sha1_obj}\n";
1998 print "RMD160_OBJ_ASM=$target{rmd160_obj}\n";
1999 print "CMLL_ENC =$target{cmll_obj}\n";
2000 print "MODES_OBJ =$target{modes_obj}\n";
2001 print "PADLOCK_OBJ =$target{padlock_obj}\n";
2002 print "CHACHA_ENC =$target{chacha_obj}\n";
2003 print "POLY1305_OBJ =$target{poly1305_obj}\n";
2004 print "BLAKE2_OBJ =$target{blake2_obj}\n";
2005 print "PROCESSOR =$config{processor}\n";
2006 print "RANLIB =", $target{ranlib} eq '$(CROSS_COMPILE)ranlib' ?
2007 "$config{cross_compile_prefix}ranlib" :
2008 "$target{ranlib}", "\n";
2009 print "ARFLAGS =$target{arflags}\n";
2010 print "PERL =$config{perl}\n";
2011 print "\n";
2012 print "SIXTY_FOUR_BIT_LONG mode\n" if $config{b64l};
2013 print "SIXTY_FOUR_BIT mode\n" if $config{b64};
2014 print "THIRTY_TWO_BIT mode\n" if $config{b32};
2015 print "BN_LLONG mode\n" if $config{bn_ll};
2016 print "RC4 uses $config{rc4_int}\n" if $config{rc4_int} ne $def_int;
2017
2018 my %builders = (
2019 unified => sub {
2020 run_dofile(catfile($blddir, $target{build_file}),
2021 $config{build_file_template},
2022 catfile($srcdir, "Configurations", "common.tmpl"));
2023 },
2024 );
2025
2026 $builders{$builder}->($builder_platform, @builder_opts);
2027
2028 print <<"EOF";
2029
2030 Configured for $target.
2031 EOF
2032
2033 print <<"EOF" if ($disabled{threads} eq "unavailable");
2034
2035 The library could not be configured for supporting multi-threaded
2036 applications as the compiler options required on this system are not known.
2037 See file INSTALL for details if you need multi-threading.
2038 EOF
2039
2040 print <<"EOF" if ($no_shared_warn);
2041
2042 The options 'shared', 'pic' and 'dynamic-engine' aren't supported on this
2043 platform, so we will pretend you gave the option 'no-pic', which also disables
2044 'shared' and 'dynamic-engine'. If you know how to implement shared libraries
2045 or position independent code, please let us know (but please first make sure
2046 you have tried with a current version of OpenSSL).
2047 EOF
2048
2049 print <<"EOF" if (-f catfile($srcdir, "configdata.pm") && $srcdir ne $blddir);
2050
2051 WARNING: there are indications that another build was made in the source
2052 directory. This build may have picked up artifacts from that build, the
2053 safest course of action is to clean the source directory and redo this
2054 configuration.
2055 EOF
2056
2057 exit(0);
2058
2059 ######################################################################
2060 #
2061 # Helpers and utility functions
2062 #
2063
2064 # Configuration file reading #########################################
2065
2066 # Note: All of the helper functions are for lazy evaluation. They all
2067 # return a CODE ref, which will return the intended value when evaluated.
2068 # Thus, whenever there's mention of a returned value, it's about that
2069 # intended value.
2070
2071 # Helper function to implement conditional inheritance depending on the
2072 # value of $disabled{asm}. Used in inherit_from values as follows:
2073 #
2074 # inherit_from => [ "template", asm("asm_tmpl") ]
2075 #
2076 sub asm {
2077 my @x = @_;
2078 sub {
2079 $disabled{asm} ? () : @x;
2080 }
2081 }
2082
2083 # Helper function to implement conditional value variants, with a default
2084 # plus additional values based on the value of $config{build_type}.
2085 # Arguments are given in hash table form:
2086 #
2087 # picker(default => "Basic string: ",
2088 # debug => "debug",
2089 # release => "release")
2090 #
2091 # When configuring with --debug, the resulting string will be
2092 # "Basic string: debug", and when not, it will be "Basic string: release"
2093 #
2094 # This can be used to create variants of sets of flags according to the
2095 # build type:
2096 #
2097 # cflags => picker(default => "-Wall",
2098 # debug => "-g -O0",
2099 # release => "-O3")
2100 #
2101 sub picker {
2102 my %opts = @_;
2103 return sub { add($opts{default} || (),
2104 $opts{$config{build_type}} || ())->(); }
2105 }
2106
2107 # Helper function to combine several values of different types into one.
2108 # This is useful if you want to combine a string with the result of a
2109 # lazy function, such as:
2110 #
2111 # cflags => combine("-Wall", sub { $disabled{zlib} ? () : "-DZLIB" })
2112 #
2113 sub combine {
2114 my @stuff = @_;
2115 return sub { add(@stuff)->(); }
2116 }
2117
2118 # Helper function to implement conditional values depending on the value
2119 # of $disabled{threads}. Can be used as follows:
2120 #
2121 # cflags => combine("-Wall", threads("-pthread"))
2122 #
2123 sub threads {
2124 my @flags = @_;
2125 return sub { add($disabled{threads} ? () : @flags)->(); }
2126 }
2127
2128
2129
2130 our $add_called = 0;
2131 # Helper function to implement adding values to already existing configuration
2132 # values. It handles elements that are ARRAYs, CODEs and scalars
2133 sub _add {
2134 my $separator = shift;
2135
2136 # If there's any ARRAY in the collection of values OR the separator
2137 # is undef, we will return an ARRAY of combined values, otherwise a
2138 # string of joined values with $separator as the separator.
2139 my $found_array = !defined($separator);
2140
2141 my @values =
2142 map {
2143 my $res = $_;
2144 while (ref($res) eq "CODE") {
2145 $res = $res->();
2146 }
2147 if (defined($res)) {
2148 if (ref($res) eq "ARRAY") {
2149 $found_array = 1;
2150 @$res;
2151 } else {
2152 $res;
2153 }
2154 } else {
2155 ();
2156 }
2157 } (@_);
2158
2159 $add_called = 1;
2160
2161 if ($found_array) {
2162 [ @values ];
2163 } else {
2164 join($separator, grep { defined($_) && $_ ne "" } @values);
2165 }
2166 }
2167 sub add_before {
2168 my $separator = " ";
2169 if (ref($_[$#_]) eq "HASH") {
2170 my $opts = pop;
2171 $separator = $opts->{separator};
2172 }
2173 my @x = @_;
2174 sub { _add($separator, @x, @_) };
2175 }
2176 sub add {
2177 my $separator = " ";
2178 if (ref($_[$#_]) eq "HASH") {
2179 my $opts = pop;
2180 $separator = $opts->{separator};
2181 }
2182 my @x = @_;
2183 sub { _add($separator, @_, @x) };
2184 }
2185
2186 # configuration reader, evaluates the input file as a perl script and expects
2187 # it to fill %targets with target configurations. Those are then added to
2188 # %table.
2189 sub read_config {
2190 my $fname = shift;
2191 open(CONFFILE, "< $fname")
2192 or die "Can't open configuration file '$fname'!\n";
2193 my $x = $/;
2194 undef $/;
2195 my $content = <CONFFILE>;
2196 $/ = $x;
2197 close(CONFFILE);
2198 my %targets = ();
2199 {
2200 local %table = %::table; # Protect %table from tampering
2201
2202 eval $content;
2203 warn $@ if $@;
2204 }
2205
2206 # For each target, check that it's configured with a hash table.
2207 foreach (keys %targets) {
2208 if (ref($targets{$_}) ne "HASH") {
2209 if (ref($targets{$_}) eq "") {
2210 warn "Deprecated target configuration for $_, ignoring...\n";
2211 } else {
2212 warn "Misconfigured target configuration for $_ (should be a hash table), ignoring...\n";
2213 }
2214 delete $targets{$_};
2215 }
2216 }
2217
2218 %table = (%table, %targets);
2219
2220 }
2221
2222 # configuration resolver. Will only resolve all the lazy evaluation
2223 # codeblocks for the chosen target and all those it inherits from,
2224 # recursively
2225 sub resolve_config {
2226 my $target = shift;
2227 my @breadcrumbs = @_;
2228
2229 # my $extra_checks = defined($ENV{CONFIGURE_EXTRA_CHECKS});
2230
2231 if (grep { $_ eq $target } @breadcrumbs) {
2232 die "inherit_from loop! target backtrace:\n "
2233 ,$target,"\n ",join("\n ", @breadcrumbs),"\n";
2234 }
2235
2236 if (!defined($table{$target})) {
2237 warn "Warning! target $target doesn't exist!\n";
2238 return ();
2239 }
2240 # Recurse through all inheritances. They will be resolved on the
2241 # fly, so when this operation is done, they will all just be a
2242 # bunch of attributes with string values.
2243 # What we get here, though, are keys with references to lists of
2244 # the combined values of them all. We will deal with lists after
2245 # this stage is done.
2246 my %combined_inheritance = ();
2247 if ($table{$target}->{inherit_from}) {
2248 my @inherit_from =
2249 map { ref($_) eq "CODE" ? $_->() : $_ } @{$table{$target}->{inherit_from}};
2250 foreach (@inherit_from) {
2251 my %inherited_config = resolve_config($_, $target, @breadcrumbs);
2252
2253 # 'template' is a marker that's considered private to
2254 # the config that had it.
2255 delete $inherited_config{template};
2256
2257 foreach (keys %inherited_config) {
2258 if (!$combined_inheritance{$_}) {
2259 $combined_inheritance{$_} = [];
2260 }
2261 push @{$combined_inheritance{$_}}, $inherited_config{$_};
2262 }
2263 }
2264 }
2265
2266 # We won't need inherit_from in this target any more, since we've
2267 # resolved all the inheritances that lead to this
2268 delete $table{$target}->{inherit_from};
2269
2270 # Now is the time to deal with those lists. Here's the place to
2271 # decide what shall be done with those lists, all based on the
2272 # values of the target we're currently dealing with.
2273 # - If a value is a coderef, it will be executed with the list of
2274 # inherited values as arguments.
2275 # - If the corresponding key doesn't have a value at all or is the
2276 # empty string, the inherited value list will be run through the
2277 # default combiner (below), and the result becomes this target's
2278 # value.
2279 # - Otherwise, this target's value is assumed to be a string that
2280 # will simply override the inherited list of values.
2281 my $default_combiner = add();
2282
2283 my %all_keys =
2284 map { $_ => 1 } (keys %combined_inheritance,
2285 keys %{$table{$target}});
2286
2287 sub process_values {
2288 my $object = shift;
2289 my $inherited = shift; # Always a [ list ]
2290 my $target = shift;
2291 my $entry = shift;
2292
2293 $add_called = 0;
2294
2295 while(ref($object) eq "CODE") {
2296 $object = $object->(@$inherited);
2297 }
2298 if (!defined($object)) {
2299 return ();
2300 }
2301 elsif (ref($object) eq "ARRAY") {
2302 local $add_called; # To make sure recursive calls don't affect it
2303 return [ map { process_values($_, $inherited, $target, $entry) }
2304 @$object ];
2305 } elsif (ref($object) eq "") {
2306 return $object;
2307 } else {
2308 die "cannot handle reference type ",ref($object)
2309 ," found in target ",$target," -> ",$entry,"\n";
2310 }
2311 }
2312
2313 foreach (sort keys %all_keys) {
2314 my $previous = $combined_inheritance{$_};
2315
2316 # Current target doesn't have a value for the current key?
2317 # Assign it the default combiner, the rest of this loop body
2318 # will handle it just like any other coderef.
2319 if (!exists $table{$target}->{$_}) {
2320 $table{$target}->{$_} = $default_combiner;
2321 }
2322
2323 $table{$target}->{$_} = process_values($table{$target}->{$_},
2324 $combined_inheritance{$_},
2325 $target, $_);
2326 unless(defined($table{$target}->{$_})) {
2327 delete $table{$target}->{$_};
2328 }
2329 # if ($extra_checks &&
2330 # $previous && !($add_called || $previous ~~ $table{$target}->{$_})) {
2331 # warn "$_ got replaced in $target\n";
2332 # }
2333 }
2334
2335 # Finally done, return the result.
2336 return %{$table{$target}};
2337 }
2338
2339 sub usage
2340 {
2341 print STDERR $usage;
2342 print STDERR "\npick os/compiler from:\n";
2343 my $j=0;
2344 my $i;
2345 my $k=0;
2346 foreach $i (sort keys %table)
2347 {
2348 next if $table{$i}->{template};
2349 next if $i =~ /^debug/;
2350 $k += length($i) + 1;
2351 if ($k > 78)
2352 {
2353 print STDERR "\n";
2354 $k=length($i);
2355 }
2356 print STDERR $i . " ";
2357 }
2358 foreach $i (sort keys %table)
2359 {
2360 next if $table{$i}->{template};
2361 next if $i !~ /^debug/;
2362 $k += length($i) + 1;
2363 if ($k > 78)
2364 {
2365 print STDERR "\n";
2366 $k=length($i);
2367 }
2368 print STDERR $i . " ";
2369 }
2370 print STDERR "\n\nNOTE: If in doubt, on Unix-ish systems use './config'.\n";
2371 exit(1);
2372 }
2373
2374 sub run_dofile
2375 {
2376 my $out = shift;
2377 my @templates = @_;
2378
2379 unlink $out || warn "Can't remove $out, $!"
2380 if -f $out;
2381 foreach (@templates) {
2382 die "Can't open $_, $!" unless -f $_;
2383 }
2384 my $cmd = "$config{perl} \"-I.\" \"-Mconfigdata\" \"$dofile\" -o\"Configure\" \"".join("\" \"",@templates)."\" > \"$out.new\"";
2385 #print STDERR "DEBUG[run_dofile]: \$cmd = $cmd\n";
2386 system($cmd);
2387 exit 1 if $? != 0;
2388 rename("$out.new", $out) || die "Can't rename $out.new, $!";
2389 }
2390
2391 sub which
2392 {
2393 my ($name)=@_;
2394
2395 if (eval { require IPC::Cmd; 1; }) {
2396 IPC::Cmd->import();
2397 return scalar IPC::Cmd::can_run($name);
2398 } else {
2399 # if there is $directories component in splitpath,
2400 # then it's not something to test with $PATH...
2401 return $name if (File::Spec->splitpath($name))[1];
2402
2403 foreach (File::Spec->path()) {
2404 my $fullpath = catfile($_, "$name$target{exe_extension}");
2405 if (-f $fullpath and -x $fullpath) {
2406 return $fullpath;
2407 }
2408 }
2409 }
2410 }
2411
2412 # Configuration printer ##############################################
2413
2414 sub print_table_entry
2415 {
2416 my $target = shift;
2417 my %target = resolve_config($target);
2418 my $type = shift;
2419
2420 # Don't print the templates
2421 return if $target{template};
2422
2423 my @sequence = (
2424 "sys_id",
2425 "cc",
2426 "cflags",
2427 "defines",
2428 "unistd",
2429 "ld",
2430 "lflags",
2431 "plib_lflags",
2432 "ex_libs",
2433 "bn_ops",
2434 "cpuid_obj",
2435 "bn_obj",
2436 "ec_obj",
2437 "des_obj",
2438 "aes_obj",
2439 "bf_obj",
2440 "md5_obj",
2441 "sha1_obj",
2442 "cast_obj",
2443 "rc4_obj",
2444 "rmd160_obj",
2445 "rc5_obj",
2446 "wp_obj",
2447 "cmll_obj",
2448 "modes_obj",
2449 "padlock_obj",
2450 "thread_scheme",
2451 "perlasm_scheme",
2452 "dso_scheme",
2453 "shared_target",
2454 "shared_cflag",
2455 "shared_ldflag",
2456 "shared_rcflag",
2457 "shared_extension",
2458 "shared_extension_simple",
2459 "shared_import_extension",
2460 "dso_extension",
2461 "obj_extension",
2462 "exe_extension",
2463 "ranlib",
2464 "ar",
2465 "arflags",
2466 "multilib",
2467 "build_scheme",
2468 );
2469
2470 if ($type eq "TABLE") {
2471 print "\n";
2472 print "*** $target\n";
2473 foreach (@sequence) {
2474 if (ref($target{$_}) eq "ARRAY") {
2475 printf "\$%-12s = %s\n", $_, join(" ", @{$target{$_}});
2476 } else {
2477 printf "\$%-12s = %s\n", $_, $target{$_};
2478 }
2479 }
2480 } elsif ($type eq "HASH") {
2481 my $largest =
2482 length((sort { length($a) <=> length($b) } @sequence)[-1]);
2483 print " '$target' => {\n";
2484 foreach (@sequence) {
2485 if ($target{$_}) {
2486 if (ref($target{$_}) eq "ARRAY") {
2487 print " '",$_,"'"," " x ($largest - length($_))," => [ ",join(", ", map { "'$_'" } @{$target{$_}})," ],\n";
2488 } else {
2489 print " '",$_,"'"," " x ($largest - length($_))," => '",$target{$_},"',\n";
2490 }
2491 }
2492 }
2493 print " },\n";
2494 }
2495 }
2496
2497 # Utility routines ###################################################
2498
2499 # On VMS, if the given file is a logical name, File::Spec::Functions
2500 # will consider it an absolute path. There are cases when we want a
2501 # purely syntactic check without checking the environment.
2502 sub isabsolute {
2503 my $file = shift;
2504
2505 # On non-platforms, we just use file_name_is_absolute().
2506 return file_name_is_absolute($file) unless $^O eq "VMS";
2507
2508 # If the file spec includes a device or a directpry spec,
2509 # file_name_is_absolute() is perfectly safe.
2510 return file_name_is_absolute($file) if $file =~ m|[:\[]|;
2511
2512 # Here, we know the given file spec isn't absolute
2513 return 0;
2514 }
2515
2516 # Makes a directory absolute and cleans out /../ in paths like foo/../bar
2517 # On some platforms, this uses rel2abs(), while on others, realpath() is used.
2518 # realpath() requires that at least all path components except the last is an
2519 # existing directory. On VMS, the last component of the directory spec must
2520 # exist.
2521 sub absolutedir {
2522 my $dir = shift;
2523
2524 # realpath() is quite buggy on VMS. It uses LIB$FID_TO_NAME, which
2525 # will return the volume name for the device, no matter what. Also,
2526 # it will return an incorrect directory spec if the argument is a
2527 # directory that doesn't exist.
2528 if ($^O eq "VMS") {
2529 return rel2abs($dir);
2530 }
2531
2532 # We use realpath() on Unix, since no other will properly clean out
2533 # a directory spec.
2534 use Cwd qw/realpath/;
2535
2536 return realpath($dir);
2537 }
2538
2539 sub quotify {
2540 my %processors = (
2541 perl => sub { my $x = shift;
2542 $x =~ s/([\\\$\@"])/\\$1/g;
2543 return '"'.$x.'"'; },
2544 );
2545 my $for = shift;
2546 my $processor =
2547 defined($processors{$for}) ? $processors{$for} : sub { shift; };
2548
2549 return map { $processor->($_); } @_;
2550 }
2551
2552 # collect_from_file($filename, $line_concat_cond_re, $line_concat)
2553 # $filename is a file name to read from
2554 # $line_concat_cond_re is a regexp detecting a line continuation ending
2555 # $line_concat is a CODEref that takes care of concatenating two lines
2556 sub collect_from_file {
2557 my $filename = shift;
2558 my $line_concat_cond_re = shift;
2559 my $line_concat = shift;
2560
2561 open my $fh, $filename || die "unable to read $filename: $!\n";
2562 return sub {
2563 my $saved_line = "";
2564 $_ = "";
2565 while (<$fh>) {
2566 s|\R$||;
2567 if (defined $line_concat) {
2568 $_ = $line_concat->($saved_line, $_);
2569 $saved_line = "";
2570 }
2571 if (defined $line_concat_cond_re && /$line_concat_cond_re/) {
2572 $saved_line = $_;
2573 next;
2574 }
2575 return $_;
2576 }
2577 die "$filename ending with continuation line\n" if $_;
2578 close $fh;
2579 return undef;
2580 }
2581 }
2582
2583 # collect_from_array($array, $line_concat_cond_re, $line_concat)
2584 # $array is an ARRAYref of lines
2585 # $line_concat_cond_re is a regexp detecting a line continuation ending
2586 # $line_concat is a CODEref that takes care of concatenating two lines
2587 sub collect_from_array {
2588 my $array = shift;
2589 my $line_concat_cond_re = shift;
2590 my $line_concat = shift;
2591 my @array = (@$array);
2592
2593 return sub {
2594 my $saved_line = "";
2595 $_ = "";
2596 while (defined($_ = shift @array)) {
2597 s|\R$||;
2598 if (defined $line_concat) {
2599 $_ = $line_concat->($saved_line, $_);
2600 $saved_line = "";
2601 }
2602 if (defined $line_concat_cond_re && /$line_concat_cond_re/) {
2603 $saved_line = $_;
2604 next;
2605 }
2606 return $_;
2607 }
2608 die "input text ending with continuation line\n" if $_;
2609 return undef;
2610 }
2611 }
2612
2613 # collect_information($lineiterator, $line_continue, $regexp => $CODEref, ...)
2614 # $lineiterator is a CODEref that delivers one line at a time.
2615 # All following arguments are regex/CODEref pairs, where the regexp detects a
2616 # line and the CODEref does something with the result of the regexp.
2617 sub collect_information {
2618 my $lineiterator = shift;
2619 my %collectors = @_;
2620
2621 while(defined($_ = $lineiterator->())) {
2622 s|\R$||;
2623 my $found = 0;
2624 if ($collectors{"BEFORE"}) {
2625 $collectors{"BEFORE"}->($_);
2626 }
2627 foreach my $re (keys %collectors) {
2628 if ($re !~ /^OTHERWISE|BEFORE|AFTER$/ && /$re/) {
2629 $collectors{$re}->($lineiterator);
2630 $found = 1;
2631 };
2632 }
2633 if ($collectors{"OTHERWISE"}) {
2634 $collectors{"OTHERWISE"}->($lineiterator, $_)
2635 unless $found || !defined $collectors{"OTHERWISE"};
2636 }
2637 if ($collectors{"AFTER"}) {
2638 $collectors{"AFTER"}->($_);
2639 }
2640 }
2641 }
2642
2643 # tokenize($line)
2644 # $line is a line of text to split up into tokens
2645 # returns a list of tokens
2646 #
2647 # Tokens are divided by spaces. If the tokens include spaces, they
2648 # have to be quoted with single or double quotes. Double quotes
2649 # inside a double quoted token must be escaped. Escaping is done
2650 # with backslash.
2651 # Basically, the same quoting rules apply for " and ' as in any
2652 # Unix shell.
2653 sub tokenize {
2654 my $line = my $debug_line = shift;
2655 my @result = ();
2656
2657 while ($line =~ s|^\s+||, $line ne "") {
2658 my $token = "";
2659 while ($line ne "" && $line !~ m|^\s|) {
2660 if ($line =~ m/^"((?:[^"\\]+|\\.)*)"/) {
2661 $token .= $1;
2662 $line = $';
2663 } elsif ($line =~ m/^'([^']*)'/) {
2664 $token .= $1;
2665 $line = $';
2666 } elsif ($line =~ m/^(\S+)/) {
2667 $token .= $1;
2668 $line = $';
2669 }
2670 }
2671 push @result, $token;
2672 }
2673
2674 if ($ENV{CONFIGURE_DEBUG_TOKENIZE}) {
2675 print STDERR "DEBUG[tokenize]: Parsed '$debug_line' into:\n";
2676 print STDERR "DEBUG[tokenize]: ('", join("', '", @result), "')\n";
2677 }
2678 return @result;
2679 }
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