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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
18 # see INSTALL for instructions.
19
20 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";
21
22 # Options:
23 #
24 # --config add the given configuration file, which will be read after
25 # any "Configurations*" files that are found in the same
26 # directory as this script.
27 # --prefix prefix for the OpenSSL installation, which includes the
28 # directories bin, lib, include, share/man, share/doc/openssl
29 # This becomes the value of INSTALLTOP in Makefile
30 # (Default: /usr/local)
31 # --openssldir OpenSSL data area, such as openssl.cnf, certificates and keys.
32 # If it's a relative directory, it will be added on the directory
33 # given with --prefix.
34 # This becomes the value of OPENSSLDIR in Makefile and in C.
35 # (Default: PREFIX/ssl)
36 #
37 # --cross-compile-prefix Add specified prefix to binutils components.
38 #
39 # --api One of 0.9.8, 1.0.0 or 1.1.0. Do not compile support for
40 # interfaces deprecated as of the specified OpenSSL version.
41 #
42 # no-hw-xxx do not compile support for specific crypto hardware.
43 # Generic OpenSSL-style methods relating to this support
44 # are always compiled but return NULL if the hardware
45 # support isn't compiled.
46 # no-hw do not compile support for any crypto hardware.
47 # [no-]threads [don't] try to create a library that is suitable for
48 # multithreaded applications (default is "threads" if we
49 # know how to do it)
50 # [no-]shared [don't] try to create shared libraries when supported.
51 # [no-]pic [don't] try to build position independent code when supported.
52 # If disabled, it also disables shared and dynamic-engine.
53 # no-asm do not use assembler
54 # no-dso do not compile in any native shared-library methods. This
55 # will ensure that all methods just return NULL.
56 # no-egd do not compile support for the entropy-gathering daemon APIs
57 # [no-]zlib [don't] compile support for zlib compression.
58 # zlib-dynamic Like "zlib", but the zlib library is expected to be a shared
59 # library and will be loaded in run-time by the OpenSSL library.
60 # sctp include SCTP support
61 # 386 generate 80386 code
62 # enable-weak-ssl-ciphers
63 # Enable weak ciphers that are disabled by default. This currently
64 # only includes RC4 based ciphers.
65 # no-sse2 disables IA-32 SSE2 code, above option implies no-sse2
66 # no-<cipher> build without specified algorithm (rsa, idea, rc5, ...)
67 # -<xxx> +<xxx> compiler options are passed through
68 #
69 # DEBUG_SAFESTACK use type-safe stacks to enforce type-safety on stack items
70 # provided to stack calls. Generates unique stack functions for
71 # each possible stack type.
72 # BN_LLONG use the type 'long long' in crypto/bn/bn.h
73 # RC4_CHAR use 'char' instead of 'int' for RC4_INT in crypto/rc4/rc4.h
74 # Following are set automatically by this script
75 #
76 # MD5_ASM use some extra md5 assembler,
77 # SHA1_ASM use some extra sha1 assembler, must define L_ENDIAN for x86
78 # RMD160_ASM use some extra ripemd160 assembler,
79 # SHA256_ASM sha256_block is implemented in assembler
80 # SHA512_ASM sha512_block is implemented in assembler
81 # AES_ASM ASE_[en|de]crypt is implemented in assembler
82
83 # Minimum warning options... any contributions to OpenSSL should at least get
84 # past these.
85
86 # DEBUG_UNUSED enables __owur (warn unused result) checks.
87 my $gcc_devteam_warn = "-DDEBUG_UNUSED"
88 # -DPEDANTIC complements -pedantic and is meant to mask code that
89 # is not strictly standard-compliant and/or implementation-specifc,
90 # e.g. inline assembly, disregards to alignment requirements, such
91 # that -pedantic would complain about. Incidentally -DPEDANTIC has
92 # to be used even in sanitized builds, because sanitizer too is
93 # supposed to and does take notice of non-standard behaviour. Then
94 # -pedantic with pre-C9x compiler would also complain about 'long
95 # long' not being supported. As 64-bit algorithms are common now,
96 # it grew impossible to resolve this without sizeable additional
97 # code, so we just tell compiler to be pedantic about everything
98 # but 'long long' type.
99 . " -DPEDANTIC -pedantic -Wno-long-long"
100 . " -Wall"
101 . " -Wsign-compare"
102 . " -Wmissing-prototypes"
103 . " -Wshadow"
104 . " -Wformat"
105 . " -Wtype-limits"
106 . " -Werror"
107 ;
108
109 # These are used in addition to $gcc_devteam_warn when the compiler is clang.
110 # TODO(openssl-team): fix problems and investigate if (at least) the
111 # following warnings can also be enabled:
112 # -Wswitch-enum
113 # -Wcast-align
114 # -Wunreachable-code
115 # -Wlanguage-extension-token -- no, we use asm()
116 # -Wunused-macros -- no, too tricky for BN and _XOPEN_SOURCE etc
117 # -Wextended-offsetof -- no, needed in CMS ASN1 code
118 my $clang_devteam_warn = ""
119 . " -Qunused-arguments"
120 . " -Wextra"
121 . " -Wno-unused-parameter"
122 . " -Wno-missing-field-initializers"
123 . " -Wno-language-extension-token"
124 . " -Wno-extended-offsetof"
125 . " -Wconditional-uninitialized"
126 . " -Wincompatible-pointer-types-discards-qualifiers"
127 . " -Wmissing-variable-declarations"
128 ;
129
130 # This adds backtrace information to the memory leak info. Is only used
131 # when crypto-mdebug-backtrace is enabled.
132 my $memleak_devteam_backtrace = "-rdynamic";
133
134 my $strict_warnings = 0;
135
136 # As for $BSDthreads. Idea is to maintain "collective" set of flags,
137 # which would cover all BSD flavors. -pthread applies to them all,
138 # but is treated differently. OpenBSD expands is as -D_POSIX_THREAD
139 # -lc_r, which is sufficient. FreeBSD 4.x expands it as -lc_r,
140 # which has to be accompanied by explicit -D_THREAD_SAFE and
141 # sometimes -D_REENTRANT. FreeBSD 5.x expands it as -lc_r, which
142 # seems to be sufficient?
143 our $BSDthreads="-pthread -D_THREAD_SAFE -D_REENTRANT";
144
145 #
146 # API compability name to version number mapping.
147 #
148 my $maxapi = "1.1.0"; # API for "no-deprecated" builds
149 my $apitable = {
150 "1.1.0" => "0x10100000L",
151 "1.0.0" => "0x10000000L",
152 "0.9.8" => "0x00908000L",
153 };
154
155 our %table = ();
156 our %config = ();
157 our %withargs = ();
158
159 # Forward declarations ###############################################
160
161 # read_config(filename)
162 #
163 # Reads a configuration file and populates %table with the contents
164 # (which the configuration file places in %targets).
165 sub read_config;
166
167 # resolve_config(target)
168 #
169 # Resolves all the late evaluations, inheritances and so on for the
170 # chosen target and any target it inherits from.
171 sub resolve_config;
172
173
174 # Information collection #############################################
175
176 # Unified build supports separate build dir
177 my $srcdir = catdir(absolutedir(dirname($0))); # catdir ensures local syntax
178 my $blddir = catdir(absolutedir(".")); # catdir ensures local syntax
179 my $dofile = abs2rel(catfile($srcdir, "util/dofile.pl"));
180
181 my $local_config_envname = 'OPENSSL_LOCAL_CONFIG_DIR';
182
183 $config{sourcedir} = abs2rel($srcdir);
184 $config{builddir} = abs2rel($blddir);
185
186 # Collect version numbers
187 $config{version} = "unknown";
188 $config{version_num} = "unknown";
189 $config{shlib_version_number} = "unknown";
190 $config{shlib_version_history} = "unknown";
191
192 collect_information(
193 collect_from_file(catfile($srcdir,'include/openssl/opensslv.h')),
194 qr/OPENSSL.VERSION.TEXT.*OpenSSL (\S+) / => sub { $config{version} = $1; },
195 qr/OPENSSL.VERSION.NUMBER.*(0x\S+)/ => sub { $config{version_num}=$1 },
196 qr/SHLIB_VERSION_NUMBER *"([^"]+)"/ => sub { $config{shlib_version_number}=$1 },
197 qr/SHLIB_VERSION_HISTORY *"([^"]*)"/ => sub { $config{shlib_version_history}=$1 }
198 );
199 if ($config{shlib_version_history} ne "") { $config{shlib_version_history} .= ":"; }
200
201 ($config{major}, $config{minor})
202 = ($config{version} =~ /^([0-9]+)\.([0-9\.]+)/);
203 ($config{shlib_major}, $config{shlib_minor})
204 = ($config{shlib_version_number} =~ /^([0-9]+)\.([0-9\.]+)/);
205 die "erroneous version information in opensslv.h: ",
206 "$config{major}, $config{minor}, $config{shlib_major}, $config{shlib_minor}\n"
207 if ($config{major} eq "" || $config{minor} eq ""
208 || $config{shlib_major} eq "" || $config{shlib_minor} eq "");
209
210 # Collect target configurations
211
212 my $pattern = catfile(dirname($0), "Configurations", "*.conf");
213 foreach (sort glob("\"$pattern\"") ) {
214 &read_config($_);
215 }
216
217 if (defined $ENV{$local_config_envname}) {
218 if ($^O eq 'VMS') {
219 # VMS environment variables are logical names,
220 # which can be used as is
221 $pattern = $local_config_envname . ':' . '*.conf';
222 } else {
223 $pattern = catfile($ENV{$local_config_envname}, '*.conf');
224 }
225
226 foreach (sort glob($pattern) ) {
227 &read_config($_);
228 }
229 }
230
231
232 print "Configuring OpenSSL version $config{version} (0x$config{version_num})\n";
233
234 $config{prefix}="";
235 $config{openssldir}="";
236 $config{processor}="";
237 $config{libdir}="";
238 $config{cross_compile_prefix}="";
239 $config{fipslibdir}="/usr/local/ssl/fips-2.0/lib/";
240 my $nofipscanistercheck=0;
241 $config{baseaddr}="0xFB00000";
242 my $auto_threads=1; # enable threads automatically? true by default
243 my $default_ranlib;
244 $config{fips}=0;
245
246 # Top level directories to build
247 $config{dirs} = [ "crypto", "ssl", "engines", "apps", "test", "tools" ];
248 # crypto/ subdirectories to build
249 $config{sdirs} = [
250 "objects",
251 "md2", "md4", "md5", "sha", "mdc2", "hmac", "ripemd", "whrlpool", "poly1305", "blake2",
252 "des", "aes", "rc2", "rc4", "rc5", "idea", "bf", "cast", "camellia", "seed", "chacha", "modes",
253 "bn", "ec", "rsa", "dsa", "dh", "dso", "engine",
254 "buffer", "bio", "stack", "lhash", "rand", "err",
255 "evp", "asn1", "pem", "x509", "x509v3", "conf", "txt_db", "pkcs7", "pkcs12", "comp", "ocsp", "ui",
256 "cms", "ts", "srp", "cmac", "ct", "async", "kdf"
257 ];
258
259 # Known TLS and DTLS protocols
260 my @tls = qw(ssl3 tls1 tls1_1 tls1_2);
261 my @dtls = qw(dtls1 dtls1_2);
262
263 # Explicitly known options that are possible to disable. They can
264 # be regexps, and will be used like this: /^no-${option}$/
265 # For developers: keep it sorted alphabetically
266
267 my @disablables = (
268 "afalgeng",
269 "asan",
270 "asm",
271 "async",
272 "autoalginit",
273 "autoerrinit",
274 "bf",
275 "blake2",
276 "camellia",
277 "capieng",
278 "cast",
279 "chacha",
280 "cmac",
281 "cms",
282 "comp",
283 "crypto-mdebug",
284 "crypto-mdebug-backtrace",
285 "ct",
286 "deprecated",
287 "des",
288 "dgram",
289 "dh",
290 "dsa",
291 "dso",
292 "dtls",
293 "dynamic-engine",
294 "ec",
295 "ec2m",
296 "ecdh",
297 "ecdsa",
298 "ec_nistp_64_gcc_128",
299 "egd",
300 "engine",
301 "err",
302 "filenames",
303 "fuzz",
304 "gost",
305 "heartbeats",
306 "hw(-.+)?",
307 "idea",
308 "makedepend",
309 "md2",
310 "md4",
311 "mdc2",
312 "multiblock",
313 "nextprotoneg",
314 "ocb",
315 "ocsp",
316 "pic",
317 "poly1305",
318 "posix-io",
319 "psk",
320 "rc2",
321 "rc4",
322 "rc5",
323 "rdrand",
324 "rfc3779",
325 "ripemd",
326 "rmd160",
327 "scrypt",
328 "sctp",
329 "seed",
330 "shared",
331 "sock",
332 "srp",
333 "srtp",
334 "sse2",
335 "ssl",
336 "ssl-trace",
337 "static-engine",
338 "stdio",
339 "threads",
340 "tls",
341 "ts",
342 "ubsan",
343 "ui",
344 "unit-test",
345 "whirlpool",
346 "weak-ssl-ciphers",
347 "zlib",
348 "zlib-dynamic",
349 );
350 foreach my $proto ((@tls, @dtls))
351 {
352 push(@disablables, $proto);
353 push(@disablables, "$proto-method");
354 }
355
356 my @deprecated_disablables = (
357 "ssl2",
358 "buf-freelists",
359 );
360
361 # All of the following is disabled by default (RC5 was enabled before 0.9.8):
362
363 our %disabled = ( # "what" => "comment"
364 "asan" => "default",
365 "ec_nistp_64_gcc_128" => "default",
366 "egd" => "default",
367 "fuzz" => "default",
368 "md2" => "default",
369 "rc5" => "default",
370 "sctp" => "default",
371 "ssl-trace" => "default",
372 "ssl3" => "default",
373 "ssl3-method" => "default",
374 "ubsan" => "default",
375 "unit-test" => "default",
376 "weak-ssl-ciphers" => "default",
377 "zlib" => "default",
378 "zlib-dynamic" => "default",
379 "crypto-mdebug" => "default",
380 "crypto-mdebug-backtrace" => "default",
381 "heartbeats" => "default",
382 );
383
384 # Note: => pair form used for aesthetics, not to truly make a hash table
385 my @disable_cascades = (
386 # "what" => [ "cascade", ... ]
387 sub { $config{processor} eq "386" }
388 => [ "sse2" ],
389 "ssl" => [ "ssl3" ],
390 "ssl3-method" => [ "ssl3" ],
391 "zlib" => [ "zlib-dynamic" ],
392 "des" => [ "mdc2" ],
393 "ec" => [ "ecdsa", "ecdh" ],
394
395 "dgram" => [ "dtls", "sctp" ],
396 "sock" => [ "dgram" ],
397 "dtls" => [ @dtls ],
398
399 # SSL 3.0, (D)TLS 1.0 and TLS 1.1 require MD5 and SHA
400 "md5" => [ "ssl", "tls1", "tls1_1", "dtls1" ],
401 "sha" => [ "ssl", "tls1", "tls1_1", "dtls1" ],
402
403 # Additionally, SSL 3.0 requires either RSA or DSA+DH
404 sub { $disabled{rsa}
405 && ($disabled{dsa} || $disabled{dh}); }
406 => [ "ssl" ],
407
408 # (D)TLS 1.0 and TLS 1.1 also require either RSA or DSA+DH
409 # or ECDSA + ECDH. (D)TLS 1.2 has this requirement as well.
410 # (XXX: We don't support PSK-only builds).
411 sub { $disabled{rsa}
412 && ($disabled{dsa} || $disabled{dh})
413 && ($disabled{ecdsa} || $disabled{ecdh}); }
414 => [ "tls1", "tls1_1", "tls1_2",
415 "dtls1", "dtls1_2" ],
416
417 "tls" => [ @tls ],
418
419 # SRP and HEARTBEATS require TLSEXT
420 "tlsext" => [ "srp", "heartbeats" ],
421
422 "crypto-mdebug" => [ "crypto-mdebug-backtrace" ],
423
424 # Without DSO, we can't load dynamic engines, so don't build them dynamic
425 "dso" => [ "dynamic-engine" ],
426
427 # Without position independent code, there can be no shared libraries or DSOs
428 "pic" => [ "shared" ],
429 "shared" => [ "dynamic-engine" ],
430 "engine" => [ "afalgeng" ],
431
432 # no-autoalginit is only useful when building non-shared
433 "autoalginit" => [ "shared", "apps" ],
434
435 "stdio" => [ "apps" ],
436 "apps" => [ "tests" ],
437 "comp" => [ "zlib" ],
438 sub { !$disabled{"unit-test"} } => [ "heartbeats" ],
439 );
440
441 # Avoid protocol support holes. Also disable all versions below N, if version
442 # N is disabled while N+1 is enabled.
443 #
444 my @list = (reverse @tls);
445 while ((my $first, my $second) = (shift @list, shift @list)) {
446 last unless @list;
447 push @disable_cascades, ( sub { !$disabled{$first} && $disabled{$second} }
448 => [ @list ] );
449 unshift @list, $second;
450 }
451 my @list = (reverse @dtls);
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
459 # Explicit "no-..." options will be collected in %disabled along with the defaults.
460 # To remove something from %disabled, use "enable-foo".
461 # For symmetry, "disable-foo" is a synonym for "no-foo".
462
463 my @generated_headers = (
464 "include/openssl/opensslconf.h",
465 "crypto/include/internal/bn_conf.h",
466 "crypto/include/internal/dso_conf.h"
467 );
468
469 my @generated_by_make_headers = (
470 "crypto/buildinf.h"
471 );
472
473
474 my $no_sse2=0;
475
476 &usage if ($#ARGV < 0);
477
478 my $user_cflags="";
479 my @user_defines=();
480 $config{openssl_api_defines}=[];
481 $config{openssl_algorithm_defines}=[];
482 $config{openssl_thread_defines}=[];
483 $config{openssl_sys_defines}=[];
484 $config{openssl_other_defines}=[];
485 my $libs="";
486 my $target="";
487 $config{options}="";
488 $config{build_type} = "release";
489
490 my @argvcopy=@ARGV;
491
492 if (grep /^reconf(igure)?$/, @argvcopy) {
493 if (-f "./configdata.pm") {
494 my $file = "./configdata.pm";
495 unless (my $return = do $file) {
496 die "couldn't parse $file: $@" if $@;
497 die "couldn't do $file: $!" unless defined $return;
498 die "couldn't run $file" unless $return;
499 }
500
501 @argvcopy = defined($configdata::config{perlargv}) ?
502 @{$configdata::config{perlargv}} : ();
503 die "Incorrect data to reconfigure, please do a normal configuration\n"
504 if (grep(/^reconf/,@argvcopy));
505 $ENV{CROSS_COMPILE} = $configdata::config{cross_compile_prefix}
506 if defined($configdata::config{cross_compile_prefix});
507 $ENV{CROSS_COMPILE} = $configdata::config{cc}
508 if defined($configdata::config{cc});
509
510 print "Reconfiguring with: ", join(" ",@argvcopy), "\n";
511 print " CROSS_COMPILE = ",$ENV{CROSS_COMPILE},"\n"
512 if $ENV{CROSS_COMPILE};
513 print " CC = ",$ENV{CC},"\n" if $ENV{CC};
514 } elsif (open IN, "<Makefile") {
515 #
516 # THIS SECTION IS TEMPORARY, it helps transitioning from Makefile
517 # centered information gathering the reading configdata.pm
518 #
519 while (<IN>) {
520 s|\R$||;
521 if (/^CONFIGURE_ARGS=\s*(.*)\s*/) {
522 # Older form, we split the string and hope for the best
523 @argvcopy = split /\s+/, $_;
524 die "Incorrect data to reconfigure, please do a normal configuration\n"
525 if (grep(/^reconf/,@argvcopy));
526 } elsif (/^CROSS_COMPILE=\s*(.*)/) {
527 $ENV{CROSS_COMPILE}=$1;
528 } elsif (/^CC=\s*(?:\$\(CROSS_COMPILE\))?(.*?)$/) {
529 $ENV{CC}=$1;
530 }
531 }
532 #
533 # END OF TEMPORARY SECTION
534 #
535 } else {
536 die "Insufficient data to reconfigure, please do a normal configuration\n";
537 }
538 }
539
540 $config{perlargv} = [ @argvcopy ];
541
542 my %unsupported_options = ();
543 my %deprecated_options = ();
544 foreach (@argvcopy)
545 {
546 # VMS is a case insensitive environment, and depending on settings
547 # out of our control, we may receive options uppercased. Let's
548 # downcase at least the part before any equal sign.
549 if ($^O eq "VMS")
550 {
551 s/^([^=]*)/lc($1)/e;
552 }
553 s /^-no-/no-/; # some people just can't read the instructions
554
555 # rewrite some options in "enable-..." form
556 s /^-?-?shared$/enable-shared/;
557 s /^sctp$/enable-sctp/;
558 s /^threads$/enable-threads/;
559 s /^zlib$/enable-zlib/;
560 s /^zlib-dynamic$/enable-zlib-dynamic/;
561
562 if (/^(no|disable|enable)-(.+)$/)
563 {
564 my $word = $2;
565 if (grep { $word =~ /^${_}$/ } @deprecated_disablables)
566 {
567 $deprecated_options{$_} = 1;
568 next;
569 }
570 elsif (!grep { $word =~ /^${_}$/ } @disablables)
571 {
572 $unsupported_options{$_} = 1;
573 next;
574 }
575 }
576 if (/^no-(.+)$/ || /^disable-(.+)$/)
577 {
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 }
592 $disabled{"dtls"} = "option(dtls)";
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 }
608 elsif ($1 eq "static-engine")
609 {
610 delete $disabled{"dynamic-engine"};
611 }
612 elsif ($1 eq "dynamic-engine")
613 {
614 $disabled{"dynamic-engine"} = "option";
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}=$1;
699 }
700 elsif (/^--with-fipslibdir=(.*)$/)
701 {
702 $config{fipslibdir}="$1/";
703 }
704 elsif (/^--with-baseaddr=(.*)$/)
705 {
706 $config{baseaddr}="$1";
707 }
708 elsif (/^--cross-compile-prefix=(.*)$/)
709 {
710 $config{cross_compile_prefix}=$1;
711 }
712 elsif (/^--config=(.*)$/)
713 {
714 read_config $1;
715 }
716 elsif (/^-[lL](.*)$/ or /^-Wl,/)
717 {
718 $libs.=$_." ";
719 }
720 elsif (/^-D(.*)$/)
721 {
722 push @user_defines, $1;
723 }
724 else # common if (/^[-+]/), just pass down...
725 {
726 $_ =~ s/%([0-9a-f]{1,2})/chr(hex($1))/gei;
727 $user_cflags.=" ".$_;
728 }
729 }
730 else
731 {
732 die "target already defined - $target (offending arg: $_)\n" if ($target ne "");
733 $target=$_;
734 }
735 unless ($_ eq $target || /^no-/ || /^disable-/)
736 {
737 # "no-..." follows later after implied disactivations
738 # have been derived. (Don't take this too seriously,
739 # we really only write OPTIONS to the Makefile out of
740 # nostalgia.)
741
742 if ($config{options} eq "")
743 { $config{options} = $_; }
744 else
745 { $config{options} .= " ".$_; }
746 }
747
748 if (defined($config{api}) && !exists $apitable->{$config{api}}) {
749 die "***** Unsupported api compatibility level: $config{api}\n",
750 }
751
752 if (keys %deprecated_options)
753 {
754 warn "***** Deprecated options: ",
755 join(", ", keys %deprecated_options), "\n";
756 }
757 if (keys %unsupported_options)
758 {
759 die "***** Unsupported options: ",
760 join(", ", keys %unsupported_options), "\n";
761 }
762 }
763
764 if ($config{fips})
765 {
766 delete $disabled{"shared"} if ($disabled{"shared"} =~ /^default/);
767 }
768 else
769 {
770 @{$config{dirs}} = grep !/^fips$/, @{$config{dirs}};
771 }
772
773 my @tocheckfor = (keys %disabled);
774 while (@tocheckfor) {
775 my %new_tocheckfor = ();
776 my @cascade_copy = (@disable_cascades);
777 while (@cascade_copy) {
778 my ($test, $descendents) = (shift @cascade_copy, shift @cascade_copy);
779 if (ref($test) eq "CODE" ? $test->() : defined($disabled{$test})) {
780 foreach(grep { !defined($disabled{$_}) } @$descendents) {
781 $new_tocheckfor{$_} = 1; $disabled{$_} = "forced";
782 }
783 }
784 }
785 @tocheckfor = (keys %new_tocheckfor);
786 }
787
788 if ($target eq "TABLE") {
789 foreach (sort keys %table) {
790 print_table_entry($_, "TABLE");
791 }
792 exit 0;
793 }
794
795 if ($target eq "LIST") {
796 foreach (sort keys %table) {
797 print $_,"\n" unless $table{$_}->{template};
798 }
799 exit 0;
800 }
801
802 if ($target eq "HASH") {
803 print "%table = (\n";
804 foreach (sort keys %table) {
805 print_table_entry($_, "HASH");
806 }
807 exit 0;
808 }
809
810 # Backward compatibility?
811 if ($target =~ m/^CygWin32(-.*)$/) {
812 $target = "Cygwin".$1;
813 }
814
815 foreach (sort (keys %disabled))
816 {
817 $config{options} .= " no-$_";
818
819 printf " no-%-12s %-10s", $_, "[$disabled{$_}]";
820
821 if (/^dso$/)
822 { }
823 elsif (/^threads$/)
824 { }
825 elsif (/^shared$/)
826 { }
827 elsif (/^pic$/)
828 { }
829 elsif (/^zlib$/)
830 { }
831 elsif (/^dynamic-engine$/)
832 { }
833 elsif (/^makedepend$/)
834 { }
835 elsif (/^zlib-dynamic$/)
836 { }
837 elsif (/^sse2$/)
838 { $no_sse2 = 1; }
839 elsif (/^engine$/)
840 {
841 @{$config{dirs}} = grep !/^engines$/, @{$config{dirs}};
842 @{$config{sdirs}} = grep !/^engine$/, @{$config{sdirs}};
843 push @{$config{openssl_other_defines}}, "OPENSSL_NO_ENGINE";
844 }
845 else
846 {
847 my ($ALGO, $algo);
848 ($ALGO = $algo = $_) =~ tr/[\-a-z]/[_A-Z]/;
849
850 if (/^asm$/ || /^err$/ || /^hw$/ || /^hw-/ || /^async$/
851 || /^autoalginit/ || /^autoerrinit/)
852 {
853 push @{$config{openssl_other_defines}}, "OPENSSL_NO_$ALGO";
854 print " OPENSSL_NO_$ALGO";
855
856 if (/^err$/) { push @user_defines, "OPENSSL_NO_ERR"; }
857 }
858 else
859 {
860 ($ALGO,$algo) = ("RMD160","rmd160") if ($algo eq "ripemd");
861
862 push @{$config{openssl_algorithm_defines}}, "OPENSSL_NO_$ALGO";
863 print " OPENSSL_NO_$ALGO";
864
865 # fix-up crypto/directory name(s)
866 $algo="whrlpool" if $algo eq "whirlpool";
867 $algo="ripemd" if $algo eq "rmd160";
868 @{$config{sdirs}} = grep { $_ ne $algo} @{$config{sdirs}};
869
870 print " (skip dir)";
871 }
872 }
873
874 print "\n";
875 }
876
877 print "Configuring for $target\n";
878
879 # Support for legacy targets having a name starting with 'debug-'
880 my ($d, $t) = $target =~ m/^(debug-)?(.*)$/;
881 if ($d) {
882 $config{build_type} = "debug";
883
884 # If we do not find debug-foo in the table, the target is set to foo.
885 if (!$table{$target}) {
886 $target = $t;
887 }
888 }
889 $config{target} = $target;
890 my %target = resolve_config($target);
891
892 &usage if (!%target || $target{template});
893
894 %target = ( %{$table{DEFAULTS}}, %target );
895
896 $target{exe_extension}="";
897 $target{exe_extension}=".exe" if ($config{target} eq "DJGPP"
898 || $config{target} =~ /^(?:Cygwin|mingw)/);
899 $target{exe_extension}=".pm" if ($config{target} =~ /vos/);
900
901 ($target{shared_extension_simple}=$target{shared_extension})
902 =~ s|\.\$\(SHLIB_MAJOR\)\.\$\(SHLIB_MINOR\)||;
903 $target{dso_extension}=$target{shared_extension_simple};
904 ($target{shared_import_extension}=$target{shared_extension_simple}.".a")
905 if ($config{target} =~ /^(?:Cygwin|mingw)/);
906
907
908 $config{cross_compile_prefix} = $ENV{'CROSS_COMPILE'}
909 if $config{cross_compile_prefix} eq "";
910
911 # Allow overriding the names of some tools. USE WITH CARE
912 $config{perl} = $ENV{'PERL'} || ($^O ne "VMS" ? $^X : "perl");
913 $target{cc} = $ENV{'CC'} || $target{cc} || "cc";
914 $target{ranlib} = $ENV{'RANLIB'} || $target{ranlib} ||
915 (which("$config{cross_compile_prefix}ranlib") ?
916 "\$(CROSS_COMPILE)ranlib" : "true");
917 $target{ar} = $ENV{'AR'} || $target{ar} || "ar";
918 $target{nm} = $ENV{'NM'} || $target{nm} || "nm";
919 $target{rc} =
920 $ENV{'RC'} || $ENV{'WINDRES'} || $target{rc} || "windres";
921
922 # For cflags, lflags, plib_lflags, ex_libs and defines, add the debug_
923 # or release_ attributes.
924 # Do it in such a way that no spurious space is appended (hence the grep).
925 $config{defines} = [];
926 $config{cflags} = "";
927 $config{ex_libs} = "";
928 $config{shared_ldflag} = "";
929
930 # Make sure build_scheme is consistent.
931 $target{build_scheme} = [ $target{build_scheme} ]
932 if ref($target{build_scheme}) ne "ARRAY";
933
934 my ($builder, $builder_platform, @builder_opts) =
935 @{$target{build_scheme}};
936
937 push @{$config{defines}}, "NDEBUG" if $config{build_type} eq "release";
938
939 if ($target =~ /^mingw/ && `$target{cc} --target-help 2>&1` =~ m/-mno-cygwin/m)
940 {
941 $config{cflags} .= " -mno-cygwin";
942 $config{shared_ldflag} .= " -mno-cygwin";
943 }
944
945 if ($target =~ /linux.*-mips/ && !$disabled{asm} && $user_cflags !~ /-m(ips|arch=)/) {
946 # minimally required architecture flags for assembly modules
947 $config{cflags}="-mips2 $config{cflags}" if ($target =~ /mips32/);
948 $config{cflags}="-mips3 $config{cflags}" if ($target =~ /mips64/);
949 }
950
951 my $no_shared_warn=0;
952 my $no_user_cflags=0;
953 my $no_user_defines=0;
954
955 # The DSO code currently always implements all functions so that no
956 # applications will have to worry about that from a compilation point
957 # of view. However, the "method"s may return zero unless that platform
958 # has support compiled in for them. Currently each method is enabled
959 # by a define "DSO_<name>" ... we translate the "dso_scheme" config
960 # string entry into using the following logic;
961 if (!$disabled{dso} && $target{dso_scheme} ne "")
962 {
963 $target{dso_scheme} =~ tr/[a-z]/[A-Z]/;
964 if ($target{dso_scheme} eq "DLFCN")
965 {
966 unshift @{$config{defines}}, "DSO_DLFCN", "HAVE_DLFCN_H";
967 }
968 elsif ($target{dso_scheme} eq "DLFCN_NO_H")
969 {
970 unshift @{$config{defines}}, "DSO_DLFCN";
971 }
972 else
973 {
974 unshift @{$config{defines}}, "DSO_$target{dso_scheme}";
975 }
976 }
977
978 $config{ex_libs}="$libs$config{ex_libs}" if ($libs ne "");
979
980 if ($disabled{asm})
981 {
982 if ($config{fips})
983 {
984 @{$config{defines}} = grep !/^[BL]_ENDIAN$/, @{$config{defines}};
985 @{$target{defines}} = grep !/^[BL]_ENDIAN$/, @{$target{defines}};
986 }
987 }
988
989 # If threads aren't disabled, check how possible they are
990 unless ($disabled{threads}) {
991 if ($auto_threads) {
992 # Enabled by default, disable it forcibly if unavailable
993 if ($target{thread_scheme} eq "(unknown)") {
994 $disabled{threads} = "unavailable";
995 }
996 } else {
997 # The user chose to enable threads explicitly, let's see
998 # if there's a chance that's possible
999 if ($target{thread_scheme} eq "(unknown)") {
1000 # If the user asked for "threads" and we don't have internal
1001 # knowledge how to do it, [s]he is expected to provide any
1002 # system-dependent compiler options that are necessary. We
1003 # can't truly check that the given options are correct, but
1004 # we expect the user to know what [s]He is doing.
1005 if ($no_user_cflags && $no_user_defines) {
1006 die "You asked for multi-threading support, but didn't\n"
1007 ,"provide any system-specific compiler options\n";
1008 }
1009 }
1010 }
1011 }
1012
1013 # If threads still aren't disabled, add a C macro to ensure the source
1014 # code knows about it. Any other flag is taken care of by the configs.
1015 unless($disabled{threads}) {
1016 foreach (("defines", "openssl_thread_defines")) {
1017 push @{$config{$_}}, "OPENSSL_THREADS";
1018 }
1019 }
1020
1021 # With "deprecated" disable all deprecated features.
1022 if (defined($disabled{"deprecated"})) {
1023 $config{api} = $maxapi;
1024 }
1025
1026 if ($target{shared_target} eq "")
1027 {
1028 $no_shared_warn = 1
1029 if ((!$disabled{shared} || !$disabled{"dynamic-engine"})
1030 && !$config{fips});
1031 $disabled{shared} = "no-shared-target";
1032 $disabled{pic} = $disabled{shared} = $disabled{"dynamic-engine"} =
1033 "no-shared-target";
1034 }
1035
1036 if ($disabled{"dynamic-engine"}) {
1037 push @{$config{defines}}, "OPENSSL_NO_DYNAMIC_ENGINE";
1038 $config{dynamic_engines} = 0;
1039 } else {
1040 push @{$config{defines}}, "OPENSSL_NO_STATIC_ENGINE";
1041 $config{dynamic_engines} = 1;
1042 }
1043
1044 unless ($disabled{fuzz}) {
1045 push @{$config{dirs}}, "fuzz";
1046 $config{cflags} .= "-fsanitize-coverage=edge,indirect-calls ";
1047 }
1048
1049 unless ($disabled{asan}) {
1050 $config{cflags} .= "-fsanitize=address ";
1051 }
1052
1053 unless ($disabled{ubsan}) {
1054 # -DPEDANTIC or -fnosanitize=aligmnent may also be required on some
1055 # platforms.
1056 $config{cflags} .= "-fsanitize=undefined -fno-sanitize-recover=all ";
1057 }
1058
1059 unless ($disabled{fuzz} && $disabled{asan} && $disabled{ubsan}) {
1060 $config{cflags} .= "-fno-omit-frame-pointer -g ";
1061 }
1062 #
1063 # Platform fix-ups
1064 #
1065
1066 # This saves the build files from having to check
1067 if ($disabled{pic})
1068 {
1069 $target{shared_cflag} = $target{shared_ldflag} =
1070 $target{shared_rcflag} = "";
1071 }
1072 else
1073 {
1074 push @{$config{defines}}, "OPENSSL_PIC";
1075 }
1076
1077 if ($target{sys_id} ne "")
1078 {
1079 push @{$config{openssl_sys_defines}}, "OPENSSL_SYS_$target{sys_id}";
1080 }
1081
1082 unless ($disabled{asm}) {
1083 $target{cpuid_asm_src}=$table{DEFAULTS}->{cpuid_asm_src} if ($config{processor} eq "386");
1084 $target{bn_asm_src} =~ s/\w+-gf2m.c// if (defined($disabled{ec2m}));
1085
1086 # bn-586 is the only one implementing bn_*_part_words
1087 push @{$config{defines}}, "OPENSSL_BN_ASM_PART_WORDS" if ($target{bn_asm_src} =~ /bn-586/);
1088 push @{$config{defines}}, "OPENSSL_IA32_SSE2" if (!$no_sse2 && $target{bn_asm_src} =~ /86/);
1089
1090 push @{$config{defines}}, "OPENSSL_BN_ASM_MONT" if ($target{bn_asm_src} =~ /-mont/);
1091 push @{$config{defines}}, "OPENSSL_BN_ASM_MONT5" if ($target{bn_asm_src} =~ /-mont5/);
1092 push @{$config{defines}}, "OPENSSL_BN_ASM_GF2m" if ($target{bn_asm_src} =~ /-gf2m/);
1093
1094 if ($config{fips}) {
1095 push @{$config{openssl_other_defines}}, "OPENSSL_FIPS";
1096 }
1097
1098 if ($target{sha1_asm_src}) {
1099 push @{$config{defines}}, "SHA1_ASM" if ($target{sha1_asm_src} =~ /sx86/ || $target{sha1_asm_src} =~ /sha1/);
1100 push @{$config{defines}}, "SHA256_ASM" if ($target{sha1_asm_src} =~ /sha256/);
1101 push @{$config{defines}}, "SHA512_ASM" if ($target{sha1_asm_src} =~ /sha512/);
1102 }
1103 if ($target{md5_asm_src}) {
1104 push @{$config{defines}}, "MD5_ASM";
1105 }
1106 $target{cast_asm_src}=$table{DEFAULTS}->{cast_asm_src} unless $disabled{pic}; # CAST assembler is not PIC
1107 if ($target{rmd160_asm_src}) {
1108 push @{$config{defines}}, "RMD160_ASM";
1109 }
1110 if ($target{aes_asm_src}) {
1111 push @{$config{defines}}, "AES_ASM" if ($target{aes_asm_src} =~ m/\baes-/);;
1112 # aes-ctr.fake is not a real file, only indication that assembler
1113 # module implements AES_ctr32_encrypt...
1114 push @{$config{defines}}, "AES_CTR_ASM" if ($target{aes_asm_src} =~ s/\s*aes-ctr\.fake//);
1115 # aes-xts.fake indicates presence of AES_xts_[en|de]crypt...
1116 push @{$config{defines}}, "AES_XTS_ASM" if ($target{aes_asm_src} =~ s/\s*aes-xts\.fake//);
1117 $target{aes_asm_src} =~ s/\s*(vpaes|aesni)-x86\.s//g if ($no_sse2);
1118 push @{$config{defines}}, "VPAES_ASM" if ($target{aes_asm_src} =~ m/vpaes/);
1119 push @{$config{defines}}, "BSAES_ASM" if ($target{aes_asm_src} =~ m/bsaes/);
1120 }
1121 if ($target{wp_asm_src} =~ /mmx/) {
1122 if ($config{processor} eq "386") {
1123 $target{wp_asm_src}=$table{DEFAULTS}->{wp_asm_src};
1124 } elsif (!$disabled{"whirlpool"}) {
1125 push @{$config{defines}}, "WHIRLPOOL_ASM";
1126 }
1127 }
1128 if ($target{modes_asm_src} =~ /ghash-/) {
1129 push @{$config{defines}}, "GHASH_ASM";
1130 }
1131 if ($target{ec_asm_src} =~ /ecp_nistz256/) {
1132 push @{$config{defines}}, "ECP_NISTZ256_ASM";
1133 }
1134 if ($target{poly1305_asm_src} ne "") {
1135 push @{$config{defines}}, "POLY1305_ASM";
1136 }
1137 }
1138
1139 my $ecc = $target{cc};
1140 if ($^O ne "VMS" && !$disabled{makedepend}) {
1141 # Is the compiler gcc or clang? $ecc is used below to see if
1142 # error-checking can be turned on.
1143 my $ccpcc = "$config{cross_compile_prefix}$target{cc}";
1144 open(PIPE, "$ccpcc --version 2>&1 |");
1145 my $lines = 2;
1146 while ( <PIPE> ) {
1147 # Find the version number and save the major.
1148 m|(?:.*)\b(\d+)\.\d+\.\d+\b(?:.*)|;
1149 my $compiler_major = $1;
1150 # We know that GNU C version 3 and up as well as all clang
1151 # versions support dependency generation
1152 $config{makedepprog} = $ccpcc
1153 if (/clang/ || (/gcc/ && $compiler_major > 3));
1154 $ecc = "clang" if /clang/;
1155 $ecc = "gcc" if /gcc/;
1156 last if ($config{makedepprog} || !$lines--);
1157 }
1158 close(PIPE);
1159
1160 $config{makedepprog} = which('makedepend') unless $config{makedepprog};
1161 $disabled{makedepend} = "unavailable" unless $config{makedepprog};
1162 }
1163
1164
1165
1166 # Deal with bn_ops ###################################################
1167
1168 $config{bn_ll} =0;
1169 $config{export_var_as_fn} =0;
1170 my $def_int="unsigned int";
1171 $config{rc4_int} =$def_int;
1172 ($config{b64l},$config{b64},$config{b32})=(0,0,1);
1173
1174 my $count = 0;
1175 foreach (sort split(/\s+/,$target{bn_ops})) {
1176 $count++ if /SIXTY_FOUR_BIT|SIXTY_FOUR_BIT_LONG|THIRTY_TWO_BIT/;
1177 $config{export_var_as_fn}=1 if $_ eq 'EXPORT_VAR_AS_FN';
1178 $config{bn_ll}=1 if $_ eq 'BN_LLONG';
1179 $config{rc4_int}="unsigned char" if $_ eq 'RC4_CHAR';
1180 ($config{b64l},$config{b64},$config{b32})
1181 =(0,1,0) if $_ eq 'SIXTY_FOUR_BIT';
1182 ($config{b64l},$config{b64},$config{b32})
1183 =(1,0,0) if $_ eq 'SIXTY_FOUR_BIT_LONG';
1184 ($config{b64l},$config{b64},$config{b32})
1185 =(0,0,1) if $_ eq 'THIRTY_TWO_BIT';
1186 }
1187 die "Exactly one of SIXTY_FOUR_BIT|SIXTY_FOUR_BIT_LONG|THIRTY_TWO_BIT can be set in bn_ops\n"
1188 if $count > 1;
1189
1190
1191 # Hack cflags for better warnings (dev option) #######################
1192
1193 # "Stringify" the C flags string. This permits it to be made part of a string
1194 # and works as well on command lines.
1195 $config{cflags} =~ s/([\\\"])/\\$1/g;
1196
1197 if (defined($config{api})) {
1198 $config{openssl_api_defines} = [ "OPENSSL_MIN_API=".$apitable->{$config{api}} ];
1199 my $apiflag = sprintf("OPENSSL_API_COMPAT=%s", $apitable->{$config{api}});
1200 push @{$config{defines}}, $apiflag;
1201 }
1202
1203 if ($strict_warnings)
1204 {
1205 my $wopt;
1206 die "ERROR --strict-warnings requires gcc or clang"
1207 unless $ecc eq 'gcc' || $ecc eq 'clang';
1208 foreach $wopt (split /\s+/, $gcc_devteam_warn)
1209 {
1210 $config{cflags} .= " $wopt" unless ($config{cflags} =~ /(?:^|\s)$wopt(?:\s|$)/)
1211 }
1212 if ($ecc eq "clang")
1213 {
1214 foreach $wopt (split /\s+/, $clang_devteam_warn)
1215 {
1216 $config{cflags} .= " $wopt" unless ($config{cflags} =~ /(?:^|\s)$wopt(?:\s|$)/)
1217 }
1218 }
1219 }
1220
1221 unless ($disabled{"crypto-mdebug-backtrace"})
1222 {
1223 foreach my $wopt (split /\s+/, $memleak_devteam_backtrace)
1224 {
1225 $config{cflags} .= " $wopt" unless ($config{cflags} =~ /(?:^|\s)$wopt(?:\s|$)/)
1226 }
1227 if ($target =~ /^BSD-/)
1228 {
1229 $config{ex_libs} .= " -lexecinfo";
1230 }
1231 }
1232
1233 if ($user_cflags ne "") { $config{cflags}="$config{cflags}$user_cflags"; }
1234 else { $no_user_cflags=1; }
1235 if (@user_defines) { $config{defines}=[ @{$config{defines}}, @user_defines ]; }
1236 else { $no_user_defines=1; }
1237
1238 # ALL MODIFICATIONS TO %config and %target MUST BE DONE FROM HERE ON
1239
1240 unless ($disabled{afalgeng}) {
1241 $config{afalgeng}="";
1242 if ($target =~ m/^linux/) {
1243 my $minver = 4*10000 + 1*100 + 0;
1244 if ($config{cross_compile_prefix} eq "") {
1245 my $verstr = `uname -r`;
1246 my ($ma, $mi1, $mi2) = split("\\.", $verstr);
1247 ($mi2) = $mi2 =~ /(\d+)/;
1248 my $ver = $ma*10000 + $mi1*100 + $mi2;
1249 if ($ver < $minver) {
1250 $disabled{afalgeng} = "too-old-kernel";
1251 } else {
1252 push @{$config{engdirs}}, "afalg";
1253 }
1254 } else {
1255 $disabled{afalgeng} = "cross-compiling";
1256 }
1257 } else {
1258 $disabled{afalgeng} = "not-linux";
1259 }
1260 }
1261
1262 push @{$config{openssl_other_defines}}, "OPENSSL_NO_AFALGENG" if ($disabled{afalgeng});
1263
1264 # If we use the unified build, collect information from build.info files
1265 my %unified_info = ();
1266
1267 my $buildinfo_debug = defined($ENV{CONFIGURE_DEBUG_BUILDINFO});
1268 if ($builder eq "unified") {
1269 # Store the name of the template file we will build the build file from
1270 # in %config. This may be useful for the build file itself.
1271 my $build_file_template;
1272
1273 for my $filename (( $builder_platform."-".$target{build_file}.".tmpl",
1274 $target{build_file}.".tmpl" )) {
1275 if (defined $ENV{$local_config_envname}) {
1276 if ($^O eq 'VMS') {
1277 # VMS environment variables are logical names,
1278 # which can be used as is
1279 $build_file_template = $local_config_envname . ':' . $filename;
1280 } else {
1281 $build_file_template = catfile($ENV{$local_config_envname},
1282 $filename);
1283 }
1284 }
1285
1286 last if -f $build_file_template;
1287
1288 $build_file_template = catfile($srcdir, "Configurations", $filename);
1289
1290 last if -f $build_file_template;
1291 }
1292 $config{build_file_template} = $build_file_template;
1293
1294 use lib catdir(dirname(__FILE__),"util");
1295 use with_fallback qw(Text::Template);
1296
1297 sub cleandir {
1298 my $base = shift;
1299 my $dir = shift;
1300 my $relativeto = shift || ".";
1301
1302 $dir = catdir($base,$dir) unless isabsolute($dir);
1303
1304 # Make sure the directories we're building in exists
1305 mkpath($dir);
1306
1307 my $res = abs2rel(absolutedir($dir), rel2abs($relativeto));
1308 #print STDERR "DEBUG[cleandir]: $dir , $base => $res\n";
1309 return $res;
1310 }
1311
1312 sub cleanfile {
1313 my $base = shift;
1314 my $file = shift;
1315 my $relativeto = shift || ".";
1316
1317 $file = catfile($base,$file) unless isabsolute($file);
1318
1319 my $d = dirname($file);
1320 my $f = basename($file);
1321
1322 # Make sure the directories we're building in exists
1323 mkpath($d);
1324
1325 my $res = abs2rel(catfile(absolutedir($d), $f), rel2abs($relativeto));
1326 #print STDERR "DEBUG[cleanfile]: $d , $f => $res\n";
1327 return $res;
1328 }
1329
1330 my @build_infos = ( [ ".", "build.info" ] );
1331 foreach (@{$config{dirs}}) {
1332 push @build_infos, [ $_, "build.info" ]
1333 if (-f catfile($srcdir, $_, "build.info"));
1334 }
1335 foreach (@{$config{sdirs}}) {
1336 push @build_infos, [ catdir("crypto", $_), "build.info" ]
1337 if (-f catfile($srcdir, "crypto", $_, "build.info"));
1338 }
1339 foreach (@{$config{engdirs}}) {
1340 push @build_infos, [ catdir("engines", $_), "build.info" ]
1341 if (-f catfile($srcdir, "engines", $_, "build.info"));
1342 }
1343
1344 $config{build_infos} = [ ];
1345
1346 foreach (@build_infos) {
1347 my $sourced = catdir($srcdir, $_->[0]);
1348 my $buildd = catdir($blddir, $_->[0]);
1349
1350 mkpath($buildd);
1351
1352 my $f = $_->[1];
1353 # The basic things we're trying to build
1354 my @programs = ();
1355 my @libraries = ();
1356 my @engines = ();
1357 my @scripts = ();
1358 my @extra = ();
1359 my @overrides = ();
1360 my @intermediates = ();
1361 my @rawlines = ();
1362
1363 my %ordinals = ();
1364 my %sources = ();
1365 my %shared_sources = ();
1366 my %includes = ();
1367 my %depends = ();
1368 my %renames = ();
1369 my %sharednames = ();
1370 my %generate = ();
1371
1372 push @{$config{build_infos}}, catfile(abs2rel($sourced, $blddir), $f);
1373 my $template = Text::Template->new(TYPE => 'FILE',
1374 SOURCE => catfile($sourced, $f));
1375 die "Something went wrong with $sourced/$f: $!\n" unless $template;
1376 my @text =
1377 split /^/m,
1378 $template->fill_in(HASH => { config => \%config,
1379 target => \%target,
1380 disabled => \%disabled,
1381 builddir => abs2rel($buildd, $blddir),
1382 sourcedir => abs2rel($sourced, $blddir),
1383 buildtop => abs2rel($blddir, $blddir),
1384 sourcetop => abs2rel($srcdir, $blddir) },
1385 DELIMITERS => [ "{-", "-}" ]);
1386
1387 # The top item of this stack has the following values
1388 # -2 positive already run and we found ELSE (following ELSIF should fail)
1389 # -1 positive already run (skip until ENDIF)
1390 # 0 negatives so far (if we're at a condition, check it)
1391 # 1 last was positive (don't skip lines until next ELSE, ELSIF or ENDIF)
1392 # 2 positive ELSE (following ELSIF should fail)
1393 my @skip = ();
1394 collect_information(
1395 collect_from_array([ @text ],
1396 qr/\\$/ => sub { my $l1 = shift; my $l2 = shift;
1397 $l1 =~ s/\\$//; $l1.$l2 }),
1398 # Info we're looking for
1399 qr/^\s*IF\[((?:\\.|[^\\\]])*)\]\s*$/
1400 => sub {
1401 if (! @skip || $skip[$#skip] > 0) {
1402 push @skip, !! $1;
1403 } else {
1404 push @skip, -1;
1405 }
1406 },
1407 qr/^\s*ELSIF\[((?:\\.|[^\\\]])*)\]\s*$/
1408 => sub { die "ELSIF out of scope" if ! @skip;
1409 die "ELSIF following ELSE" if abs($skip[$#skip]) == 2;
1410 $skip[$#skip] = -1 if $skip[$#skip] != 0;
1411 $skip[$#skip] = !! $1
1412 if $skip[$#skip] == 0; },
1413 qr/^\s*ELSE\s*$/
1414 => sub { die "ELSE out of scope" if ! @skip;
1415 $skip[$#skip] = -2 if $skip[$#skip] != 0;
1416 $skip[$#skip] = 2 if $skip[$#skip] == 0; },
1417 qr/^\s*ENDIF\s*$/
1418 => sub { die "ENDIF out of scope" if ! @skip;
1419 pop @skip; },
1420 qr/^\s*PROGRAMS\s*=\s*(.*)\s*$/
1421 => sub { push @programs, tokenize($1)
1422 if !@skip || $skip[$#skip] > 0 },
1423 qr/^\s*LIBS\s*=\s*(.*)\s*$/
1424 => sub { push @libraries, tokenize($1)
1425 if !@skip || $skip[$#skip] > 0 },
1426 qr/^\s*ENGINES\s*=\s*(.*)\s*$/
1427 => sub { push @engines, tokenize($1)
1428 if !@skip || $skip[$#skip] > 0 },
1429 qr/^\s*SCRIPTS\s*=\s*(.*)\s*$/
1430 => sub { push @scripts, tokenize($1)
1431 if !@skip || $skip[$#skip] > 0 },
1432 qr/^\s*EXTRA\s*=\s*(.*)\s*$/
1433 => sub { push @extra, tokenize($1)
1434 if !@skip || $skip[$#skip] > 0 },
1435 qr/^\s*OVERRIDES\s*=\s*(.*)\s*$/
1436 => sub { push @overrides, tokenize($1)
1437 if !@skip || $skip[$#skip] > 0 },
1438
1439 qr/^\s*ORDINALS\[((?:\\.|[^\\\]])+)\]\s*=\s*(.*)\s*$/,
1440 => sub { push @{$ordinals{$1}}, tokenize($2)
1441 if !@skip || $skip[$#skip] > 0 },
1442 qr/^\s*SOURCE\[((?:\\.|[^\\\]])+)\]\s*=\s*(.*)\s*$/
1443 => sub { push @{$sources{$1}}, tokenize($2)
1444 if !@skip || $skip[$#skip] > 0 },
1445 qr/^\s*SHARED_SOURCE\[((?:\\.|[^\\\]])+)\]\s*=\s*(.*)\s*$/
1446 => sub { push @{$shared_sources{$1}}, tokenize($2)
1447 if !@skip || $skip[$#skip] > 0 },
1448 qr/^\s*INCLUDE\[((?:\\.|[^\\\]])+)\]\s*=\s*(.*)\s*$/
1449 => sub { push @{$includes{$1}}, tokenize($2)
1450 if !@skip || $skip[$#skip] > 0 },
1451 qr/^\s*DEPEND\[((?:\\.|[^\\\]])+)\]\s*=\s*(.*)\s*$/
1452 => sub { push @{$depends{$1}}, tokenize($2)
1453 if !@skip || $skip[$#skip] > 0 },
1454 qr/^\s*GENERATE\[((?:\\.|[^\\\]])+)\]\s*=\s*(.*)\s*$/
1455 => sub { push @{$generate{$1}}, $2
1456 if !@skip || $skip[$#skip] > 0 },
1457 qr/^\s*RENAME\[((?:\\.|[^\\\]])+)\]\s*=\s*(.*)\s*$/
1458 => sub { push @{$renames{$1}}, tokenize($2)
1459 if !@skip || $skip[$#skip] > 0 },
1460 qr/^\s*SHARED_NAME\[((?:\\.|[^\\\]])+)\]\s*=\s*(.*)\s*$/
1461 => sub { push @{$sharednames{$1}}, tokenize($2)
1462 if !@skip || $skip[$#skip] > 0 },
1463 qr/^\s*BEGINRAW\[((?:\\.|[^\\\]])+)\]\s*$/
1464 => sub {
1465 my $lineiterator = shift;
1466 my $target_kind = $1;
1467 while (defined $lineiterator->()) {
1468 s|\R$||;
1469 if (/^\s*ENDRAW\[((?:\\.|[^\\\]])+)\]\s*$/) {
1470 die "ENDRAW doesn't match BEGINRAW"
1471 if $1 ne $target_kind;
1472 last;
1473 }
1474 next if @skip && $skip[$#skip] <= 0;
1475 push @rawlines, $_
1476 if ($target_kind eq $target{build_file}
1477 || $target_kind eq $target{build_file}."(".$builder_platform.")");
1478 }
1479 },
1480 qr/^(?:#.*|\s*)$/ => sub { },
1481 "OTHERWISE" => sub { die "Something wrong with this line:\n$_\nat $sourced/$f" },
1482 "BEFORE" => sub {
1483 if ($buildinfo_debug) {
1484 print STDERR "DEBUG: Parsing ",join(" ", @_),"\n";
1485 print STDERR "DEBUG: ... before parsing, skip stack is ",join(" ", map { int($_) } @skip),"\n";
1486 }
1487 },
1488 "AFTER" => sub {
1489 if ($buildinfo_debug) {
1490 print STDERR "DEBUG: .... after parsing, skip stack is ",join(" ", map { int($_) } @skip),"\n";
1491 }
1492 },
1493 );
1494 die "runaway IF?" if (@skip);
1495
1496 foreach (keys %renames) {
1497 die "$_ renamed to more than one thing: "
1498 ,join(" ", @{$renames{$_}}),"\n"
1499 if scalar @{$renames{$_}} > 1;
1500 my $dest = cleanfile($buildd, $_, $blddir);
1501 my $to = cleanfile($buildd, $renames{$_}->[0], $blddir);
1502 die "$dest renamed to more than one thing: "
1503 ,$unified_info{rename}->{$dest}, $to
1504 unless !defined($unified_info{rename}->{$dest})
1505 or $unified_info{rename}->{$dest} eq $to;
1506 $unified_info{rename}->{$dest} = $to;
1507 }
1508
1509 foreach (@programs) {
1510 my $program = cleanfile($buildd, $_, $blddir);
1511 if ($unified_info{rename}->{$program}) {
1512 $program = $unified_info{rename}->{$program};
1513 }
1514 $unified_info{programs}->{$program} = 1;
1515 }
1516
1517 foreach (@libraries) {
1518 my $library = cleanfile($buildd, $_, $blddir);
1519 if ($unified_info{rename}->{$library}) {
1520 $library = $unified_info{rename}->{$library};
1521 }
1522 $unified_info{libraries}->{$library} = 1;
1523 }
1524
1525 die <<"EOF" if scalar @engines and !$config{dynamic_engines};
1526 ENGINES can only be used if configured with 'dynamic-engine'.
1527 This is usually a fault in a build.info file.
1528 EOF
1529 foreach (@engines) {
1530 my $library = cleanfile($buildd, $_, $blddir);
1531 if ($unified_info{rename}->{$library}) {
1532 $library = $unified_info{rename}->{$library};
1533 }
1534 $unified_info{engines}->{$library} = 1;
1535 }
1536
1537 foreach (@scripts) {
1538 my $script = cleanfile($buildd, $_, $blddir);
1539 if ($unified_info{rename}->{$script}) {
1540 $script = $unified_info{rename}->{$script};
1541 }
1542 $unified_info{scripts}->{$script} = 1;
1543 }
1544
1545 foreach (@extra) {
1546 my $extra = cleanfile($buildd, $_, $blddir);
1547 $unified_info{extra}->{$extra} = 1;
1548 }
1549
1550 foreach (@overrides) {
1551 my $override = cleanfile($buildd, $_, $blddir);
1552 $unified_info{overrides}->{$override} = 1;
1553 }
1554
1555 push @{$unified_info{rawlines}}, @rawlines;
1556
1557 unless ($disabled{shared}) {
1558 # Check sharednames.
1559 foreach (keys %sharednames) {
1560 my $dest = cleanfile($buildd, $_, $blddir);
1561 if ($unified_info{rename}->{$dest}) {
1562 $dest = $unified_info{rename}->{$dest};
1563 }
1564 die "shared_name for $dest with multiple values: "
1565 ,join(" ", @{$sharednames{$_}}),"\n"
1566 if scalar @{$sharednames{$_}} > 1;
1567 my $to = cleanfile($buildd, $sharednames{$_}->[0], $blddir);
1568 die "shared_name found for a library $dest that isn't defined\n"
1569 unless $unified_info{libraries}->{$dest};
1570 die "shared_name for $dest with multiple values: "
1571 ,$unified_info{sharednames}->{$dest}, ", ", $to
1572 unless !defined($unified_info{sharednames}->{$dest})
1573 or $unified_info{sharednames}->{$dest} eq $to;
1574 $unified_info{sharednames}->{$dest} = $to;
1575 }
1576
1577 # Additionally, we set up sharednames for libraries that don't
1578 # have any, as themselves.
1579 foreach (keys %{$unified_info{libraries}}) {
1580 if (!defined $unified_info{sharednames}->{$_}) {
1581 $unified_info{sharednames}->{$_} = $_
1582 }
1583 }
1584 }
1585
1586 foreach (keys %ordinals) {
1587 my $dest = $_;
1588 my $ddest = cleanfile($buildd, $_, $blddir);
1589 if ($unified_info{rename}->{$ddest}) {
1590 $ddest = $unified_info{rename}->{$ddest};
1591 }
1592 foreach (@{$ordinals{$dest}}) {
1593 my %known_ordinals =
1594 (
1595 crypto =>
1596 cleanfile($sourced, catfile("util", "libcrypto.num"), $blddir),
1597 ssl =>
1598 cleanfile($sourced, catfile("util", "libssl.num"), $blddir)
1599 );
1600 my $o = $known_ordinals{$_};
1601 die "Ordinals for $ddest defined more than once\n"
1602 if $unified_info{ordinals}->{$ddest};
1603 $unified_info{ordinals}->{$ddest} = [ $_, $o ];
1604 }
1605 }
1606
1607 foreach (keys %sources) {
1608 my $dest = $_;
1609 my $ddest = cleanfile($buildd, $_, $blddir);
1610 if ($unified_info{rename}->{$ddest}) {
1611 $ddest = $unified_info{rename}->{$ddest};
1612 }
1613 foreach (@{$sources{$dest}}) {
1614 my $s = cleanfile($sourced, $_, $blddir);
1615
1616 # If it isn't in the source tree, we assume it's generated
1617 # in the build tree
1618 if (! -f $s) {
1619 $s = cleanfile($buildd, $_, $blddir);
1620 }
1621 # We recognise C and asm files
1622 if ($s =~ /\.[csS]\b$/) {
1623 (my $o = $_) =~ s/\.[csS]\b$/.o/;
1624 $o = cleanfile($buildd, $o, $blddir);
1625 $unified_info{sources}->{$ddest}->{$o} = 1;
1626 $unified_info{sources}->{$o}->{$s} = 1;
1627 } else {
1628 $unified_info{sources}->{$ddest}->{$s} = 1;
1629 }
1630 }
1631 }
1632
1633 foreach (keys %shared_sources) {
1634 my $dest = $_;
1635 my $ddest = cleanfile($buildd, $_, $blddir);
1636 if ($unified_info{rename}->{$ddest}) {
1637 $ddest = $unified_info{rename}->{$ddest};
1638 }
1639 foreach (@{$shared_sources{$dest}}) {
1640 my $s = cleanfile($sourced, $_, $blddir);
1641
1642 # If it isn't in the source tree, we assume it's generated
1643 # in the build tree
1644 if (! -f $s) {
1645 $s = cleanfile($buildd, $_, $blddir);
1646 }
1647 # We recognise C and asm files
1648 if ($s =~ /\.[csS]\b$/) {
1649 (my $o = $_) =~ s/\.[csS]\b$/.o/;
1650 $o = cleanfile($buildd, $o, $blddir);
1651 $unified_info{shared_sources}->{$ddest}->{$o} = 1;
1652 $unified_info{sources}->{$o}->{$s} = 1;
1653 } else {
1654 die "unrecognised source file type for shared library: $s\n";
1655 }
1656 }
1657 }
1658
1659 foreach (keys %generate) {
1660 my $dest = $_;
1661 my $ddest = cleanfile($buildd, $_, $blddir);
1662 if ($unified_info{rename}->{$ddest}) {
1663 $ddest = $unified_info{rename}->{$ddest};
1664 }
1665 die "more than one generator for $dest: "
1666 ,join(" ", @{$generate{$_}}),"\n"
1667 if scalar @{$generate{$_}} > 1;
1668 my @generator = split /\s+/, $generate{$dest}->[0];
1669 $generator[0] = cleanfile($sourced, $generator[0], $blddir),
1670 $unified_info{generate}->{$ddest} = [ @generator ];
1671 }
1672
1673 foreach (keys %depends) {
1674 my $dest = $_;
1675 my $ddest = cleanfile($sourced, $_, $blddir);
1676
1677 # If the destination doesn't exist in source, it can only be
1678 # a generated file in the build tree.
1679 if (! -f $ddest) {
1680 $ddest = cleanfile($buildd, $_, $blddir);
1681 if ($unified_info{rename}->{$ddest}) {
1682 $ddest = $unified_info{rename}->{$ddest};
1683 }
1684 }
1685 foreach (@{$depends{$dest}}) {
1686 my $d = cleanfile($sourced, $_, $blddir);
1687
1688 # If we know it's generated, or assume it is because we can't
1689 # find it in the source tree, we set file we depend on to be
1690 # in the build tree rather than the source tree, and assume
1691 # and that there are lines to build it in a BEGINRAW..ENDRAW
1692 # section or in the Makefile template.
1693 if (! -f $d
1694 || (grep { $d eq $_ }
1695 map { cleanfile($srcdir, $_, $blddir) }
1696 (@generated_headers, @generated_by_make_headers))) {
1697 $d = cleanfile($buildd, $_, $blddir);
1698 }
1699 # Take note if the file to depend on is being renamed
1700 if ($unified_info{rename}->{$d}) {
1701 $d = $unified_info{rename}->{$d};
1702 }
1703 $unified_info{depends}->{$ddest}->{$d} = 1;
1704 # If we depend on a header file or a perl module, let's make
1705 # sure it can get included
1706 if ($d =~ /\.(h|pm)$/) {
1707 my $i = dirname($d);
1708 push @{$unified_info{includes}->{$ddest}}, $i
1709 unless grep { $_ eq $i } @{$unified_info{includes}->{$ddest}};
1710 }
1711 }
1712 }
1713
1714 foreach (keys %includes) {
1715 my $dest = $_;
1716 my $ddest = cleanfile($sourced, $_, $blddir);
1717
1718 # If the destination doesn't exist in source, it can only be
1719 # a generated file in the build tree.
1720 if (! -f $ddest) {
1721 $ddest = cleanfile($buildd, $_, $blddir);
1722 if ($unified_info{rename}->{$ddest}) {
1723 $ddest = $unified_info{rename}->{$ddest};
1724 }
1725 }
1726 foreach (@{$includes{$dest}}) {
1727 my $i = cleandir($sourced, $_, $blddir);
1728 push @{$unified_info{includes}->{$ddest}}, $i
1729 unless grep { $_ eq $i } @{$unified_info{includes}->{$ddest}};
1730 }
1731 }
1732 }
1733
1734 ### Make unified_info a bit more efficient
1735 # One level structures
1736 foreach (("programs", "libraries", "engines", "scripts", "extra", "overrides")) {
1737 $unified_info{$_} = [ sort keys %{$unified_info{$_}} ];
1738 }
1739 # Two level structures
1740 foreach my $l1 (("sources", "shared_sources", "ldadd", "depends")) {
1741 foreach my $l2 (sort keys %{$unified_info{$l1}}) {
1742 $unified_info{$l1}->{$l2} =
1743 [ sort keys %{$unified_info{$l1}->{$l2}} ];
1744 }
1745 }
1746 }
1747
1748 # For the schemes that need it, we provide the old *_obj configs
1749 # from the *_asm_obj ones
1750 foreach (grep /_(asm|aux)_src$/, keys %target) {
1751 my $src = $_;
1752 (my $obj = $_) =~ s/_(asm|aux)_src$/_obj/;
1753 ($target{$obj} = $target{$src}) =~ s/\.[csS]\b/.o/g;
1754 }
1755
1756 # Write down our configuration where it fits #########################
1757
1758 open(OUT,">configdata.pm") || die "unable to create configdata.pm: $!\n";
1759 print OUT <<"EOF";
1760 package configdata;
1761
1762 use strict;
1763 use warnings;
1764
1765 use Exporter;
1766 #use vars qw(\@ISA \@EXPORT);
1767 our \@ISA = qw(Exporter);
1768 our \@EXPORT = qw(\%config \%target \%disabled \%withargs \%unified_info \@disablables);
1769
1770 EOF
1771 print OUT "our %config = (\n";
1772 foreach (sort keys %config) {
1773 if (ref($config{$_}) eq "ARRAY") {
1774 print OUT " ", $_, " => [ ", join(", ",
1775 map { quotify("perl", $_) }
1776 @{$config{$_}}), " ],\n";
1777 } else {
1778 print OUT " ", $_, " => ", quotify("perl", $config{$_}), ",\n"
1779 }
1780 }
1781 print OUT <<"EOF";
1782 );
1783
1784 EOF
1785 print OUT "our %target = (\n";
1786 foreach (sort keys %target) {
1787 if (ref($target{$_}) eq "ARRAY") {
1788 print OUT " ", $_, " => [ ", join(", ",
1789 map { quotify("perl", $_) }
1790 @{$target{$_}}), " ],\n";
1791 } else {
1792 print OUT " ", $_, " => ", quotify("perl", $target{$_}), ",\n"
1793 }
1794 }
1795 print OUT <<"EOF";
1796 );
1797
1798 EOF
1799 print OUT "our \%available_protocols = (\n";
1800 print OUT " tls => [ ", join(", ", map { quotify("perl", $_) } @tls), " ],\n";
1801 print OUT " dtls => [ ", join(", ", map { quotify("perl", $_) } @dtls), " ],\n";
1802 print OUT <<"EOF";
1803 );
1804
1805 EOF
1806 print OUT "our \@disablables = (\n";
1807 foreach (@disablables) {
1808 print OUT " ", quotify("perl", $_), ",\n";
1809 }
1810 print OUT <<"EOF";
1811 );
1812
1813 EOF
1814 print OUT "our \%disabled = (\n";
1815 foreach (sort keys %disabled) {
1816 print OUT " ", quotify("perl", $_), " => ", quotify("perl", $disabled{$_}), ",\n";
1817 }
1818 print OUT <<"EOF";
1819 );
1820
1821 EOF
1822 print OUT "our %withargs = (\n";
1823 foreach (sort keys %withargs) {
1824 if (ref($withargs{$_}) eq "ARRAY") {
1825 print OUT " ", $_, " => [ ", join(", ",
1826 map { quotify("perl", $_) }
1827 @{$withargs{$_}}), " ],\n";
1828 } else {
1829 print OUT " ", $_, " => ", quotify("perl", $withargs{$_}), ",\n"
1830 }
1831 }
1832 print OUT <<"EOF";
1833 );
1834
1835 EOF
1836 if ($builder eq "unified") {
1837 my $recurse;
1838 $recurse = sub {
1839 my $indent = shift;
1840 foreach (@_) {
1841 if (ref $_ eq "ARRAY") {
1842 print OUT " "x$indent, "[\n";
1843 foreach (@$_) {
1844 $recurse->($indent + 4, $_);
1845 }
1846 print OUT " "x$indent, "],\n";
1847 } elsif (ref $_ eq "HASH") {
1848 my %h = %$_;
1849 print OUT " "x$indent, "{\n";
1850 foreach (sort keys %h) {
1851 if (ref $h{$_} eq "") {
1852 print OUT " "x($indent + 4), quotify("perl", $_), " => ", quotify("perl", $h{$_}), ",\n";
1853 } else {
1854 print OUT " "x($indent + 4), quotify("perl", $_), " =>\n";
1855 $recurse->($indent + 8, $h{$_});
1856 }
1857 }
1858 print OUT " "x$indent, "},\n";
1859 } else {
1860 print OUT " "x$indent, quotify("perl", $_), ",\n";
1861 }
1862 }
1863 };
1864 print OUT "our %unified_info = (\n";
1865 foreach (sort keys %unified_info) {
1866 if (ref $unified_info{$_} eq "") {
1867 print OUT " "x4, quotify("perl", $_), " => ", quotify("perl", $unified_info{$_}), ",\n";
1868 } else {
1869 print OUT " "x4, quotify("perl", $_), " =>\n";
1870 $recurse->(8, $unified_info{$_});
1871 }
1872 }
1873 print OUT <<"EOF";
1874 );
1875
1876 EOF
1877 }
1878 print OUT "1;\n";
1879 close(OUT);
1880
1881
1882 print "CC =$config{cross_compile_prefix}$target{cc}\n";
1883 print "CFLAG =$target{cflags} $config{cflags}\n";
1884 print "SHARED_CFLAG =$target{shared_cflag}\n";
1885 print "DEFINES =",join(" ", @{$target{defines}}, @{$config{defines}}),"\n";
1886 print "LFLAG =$target{lflags}\n";
1887 print "PLIB_LFLAG =$target{plib_lflags}\n";
1888 print "EX_LIBS =$target{ex_libs} $config{ex_libs}\n";
1889 print "APPS_OBJ =$target{apps_obj}\n";
1890 print "CPUID_OBJ =$target{cpuid_obj}\n";
1891 print "UPLINK_OBJ =$target{uplink_obj}\n";
1892 print "BN_ASM =$target{bn_obj}\n";
1893 print "EC_ASM =$target{ec_obj}\n";
1894 print "DES_ENC =$target{des_obj}\n";
1895 print "AES_ENC =$target{aes_obj}\n";
1896 print "BF_ENC =$target{bf_obj}\n";
1897 print "CAST_ENC =$target{cast_obj}\n";
1898 print "RC4_ENC =$target{rc4_obj}\n";
1899 print "RC5_ENC =$target{rc5_obj}\n";
1900 print "MD5_OBJ_ASM =$target{md5_obj}\n";
1901 print "SHA1_OBJ_ASM =$target{sha1_obj}\n";
1902 print "RMD160_OBJ_ASM=$target{rmd160_obj}\n";
1903 print "CMLL_ENC =$target{cmll_obj}\n";
1904 print "MODES_OBJ =$target{modes_obj}\n";
1905 print "PADLOCK_OBJ =$target{padlock_obj}\n";
1906 print "CHACHA_ENC =$target{chacha_obj}\n";
1907 print "POLY1305_OBJ =$target{poly1305_obj}\n";
1908 print "BLAKE2_OBJ =$target{blake2_obj}\n";
1909 print "PROCESSOR =$config{processor}\n";
1910 print "RANLIB =", $target{ranlib} eq '$(CROSS_COMPILE)ranlib' ?
1911 "$config{cross_compile_prefix}ranlib" :
1912 "$target{ranlib}", "\n";
1913 print "ARFLAGS =$target{arflags}\n";
1914 print "PERL =$config{perl}\n";
1915 print "\n";
1916 print "SIXTY_FOUR_BIT_LONG mode\n" if $config{b64l};
1917 print "SIXTY_FOUR_BIT mode\n" if $config{b64};
1918 print "THIRTY_TWO_BIT mode\n" if $config{b32};
1919 print "BN_LLONG mode\n" if $config{bn_ll};
1920 print "RC4 uses $config{rc4_int}\n" if $config{rc4_int} ne $def_int;
1921
1922 for (@generated_headers) {
1923 mkpath(catdir($blddir, dirname($_)));
1924 run_dofile(catfile($blddir, $_),
1925 catfile($srcdir, $_.".in"));
1926 }
1927
1928 ###
1929 ### When the old "unixmake" scheme goes away, so does this function
1930 ###
1931 sub build_Makefile {
1932 run_dofile("Makefile","Makefile.in");
1933
1934 # Copy all Makefile.in to Makefile (except top-level)
1935 use File::Find;
1936 use IO::File;
1937 find(
1938 {
1939 preprocess => sub {
1940 grep(!/^\./, @_);
1941 },
1942 wanted => sub {
1943 return if ($_ ne "Makefile.in" || $File::Find::dir eq ".");
1944 my $in = IO::File->new($_, "r") or
1945 die sprintf "Error reading Makefile.in in %s: !$\n",
1946 $File::Find::dir;
1947 my $out = IO::File->new("Makefile", "w") or
1948 die sprintf "Error writing Makefile in %s: !$\n",
1949 $File::Find::dir;
1950 print $out "# Generated from $_, do not edit\n";
1951 while (my $line = <$in>) { print $out $line }
1952 $in->close() or
1953 die sprintf "Error reading Makefile.in in %s: !$\n",
1954 $File::Find::dir;
1955 $out->close() or
1956 die sprintf "Error writing Makefile in %s: !$\n",
1957 $File::Find::dir;
1958 },
1959 },
1960 ".");
1961 }
1962
1963 my %builders = (
1964 unified => sub {
1965 run_dofile(catfile($blddir, $target{build_file}),
1966 $config{build_file_template},
1967 catfile($srcdir, "Configurations", "common.tmpl"));
1968 },
1969 unixmake => sub {
1970 build_Makefile();
1971
1972 run_dofile("util/domd", "util/domd.in");
1973 chmod 0755, "util/domd";
1974 },
1975 );
1976
1977 $builders{$builder}->($builder_platform, @builder_opts);
1978
1979 print <<"EOF";
1980
1981 Configured for $target.
1982 EOF
1983
1984 print <<"EOF" if ($disabled{threads} eq "unavailable");
1985
1986 The library could not be configured for supporting multi-threaded
1987 applications as the compiler options required on this system are not known.
1988 See file INSTALL for details if you need multi-threading.
1989 EOF
1990
1991 print <<"EOF" if ($no_shared_warn);
1992
1993 The options 'shared', 'pic' and 'dynamic-engine' aren't supported on this
1994 platform, so we will pretend you gave the option 'no-pic', which also disables
1995 'shared' and 'dynamic-engine'. If you know how to implement shared libraries
1996 or position independent code, please let us know (but please first make sure
1997 you have tried with a current version of OpenSSL).
1998 EOF
1999
2000 print <<"EOF" if (-f catfile($srcdir, "configdata.pm") && $srcdir ne $blddir);
2001
2002 WARNING: there are indications that another build was made in the source
2003 directory. This build may have picked up artifacts from that build, the
2004 safest course of action is to clean the source directory and redo this
2005 configuration.
2006 EOF
2007
2008 exit(0);
2009
2010 ######################################################################
2011 #
2012 # Helpers and utility functions
2013 #
2014
2015 # Configuration file reading #########################################
2016
2017 # Note: All of the helper functions are for lazy evaluation. They all
2018 # return a CODE ref, which will return the intended value when evaluated.
2019 # Thus, whenever there's mention of a returned value, it's about that
2020 # intended value.
2021
2022 # Helper function to implement conditional inheritance depending on the
2023 # value of $disabled{asm}. Used in inherit_from values as follows:
2024 #
2025 # inherit_from => [ "template", asm("asm_tmpl") ]
2026 #
2027 sub asm {
2028 my @x = @_;
2029 sub {
2030 $disabled{asm} ? () : @x;
2031 }
2032 }
2033
2034 # Helper function to implement conditional value variants, with a default
2035 # plus additional values based on the value of $config{build_type}.
2036 # Arguments are given in hash table form:
2037 #
2038 # picker(default => "Basic string: ",
2039 # debug => "debug",
2040 # release => "release")
2041 #
2042 # When configuring with --debug, the resulting string will be
2043 # "Basic string: debug", and when not, it will be "Basic string: release"
2044 #
2045 # This can be used to create variants of sets of flags according to the
2046 # build type:
2047 #
2048 # cflags => picker(default => "-Wall",
2049 # debug => "-g -O0",
2050 # release => "-O3")
2051 #
2052 sub picker {
2053 my %opts = @_;
2054 return sub { add($opts{default} || (),
2055 $opts{$config{build_type}} || ())->(); }
2056 }
2057
2058 # Helper function to combine several values of different types into one.
2059 # This is useful if you want to combine a string with the result of a
2060 # lazy function, such as:
2061 #
2062 # cflags => combine("-Wall", sub { $disabled{zlib} ? () : "-DZLIB" })
2063 #
2064 sub combine {
2065 my @stuff = @_;
2066 return sub { add(@stuff)->(); }
2067 }
2068
2069 # Helper function to implement conditional values depending on the value
2070 # of $disabled{threads}. Can be used as follows:
2071 #
2072 # cflags => combine("-Wall", threads("-pthread"))
2073 #
2074 sub threads {
2075 my @flags = @_;
2076 return sub { add($disabled{threads} ? () : @flags)->(); }
2077 }
2078
2079
2080
2081 our $add_called = 0;
2082 # Helper function to implement adding values to already existing configuration
2083 # values. It handles elements that are ARRAYs, CODEs and scalars
2084 sub _add {
2085 my $separator = shift;
2086
2087 # If there's any ARRAY in the collection of values OR the separator
2088 # is undef, we will return an ARRAY of combined values, otherwise a
2089 # string of joined values with $separator as the separator.
2090 my $found_array = !defined($separator);
2091
2092 my @values =
2093 map {
2094 my $res = $_;
2095 while (ref($res) eq "CODE") {
2096 $res = $res->();
2097 }
2098 if (defined($res)) {
2099 if (ref($res) eq "ARRAY") {
2100 $found_array = 1;
2101 @$res;
2102 } else {
2103 $res;
2104 }
2105 } else {
2106 ();
2107 }
2108 } (@_);
2109
2110 $add_called = 1;
2111
2112 if ($found_array) {
2113 [ @values ];
2114 } else {
2115 join($separator, grep { defined($_) && $_ ne "" } @values);
2116 }
2117 }
2118 sub add_before {
2119 my $separator = " ";
2120 if (ref($_[$#_]) eq "HASH") {
2121 my $opts = pop;
2122 $separator = $opts->{separator};
2123 }
2124 my @x = @_;
2125 sub { _add($separator, @x, @_) };
2126 }
2127 sub add {
2128 my $separator = " ";
2129 if (ref($_[$#_]) eq "HASH") {
2130 my $opts = pop;
2131 $separator = $opts->{separator};
2132 }
2133 my @x = @_;
2134 sub { _add($separator, @_, @x) };
2135 }
2136
2137 # configuration reader, evaluates the input file as a perl script and expects
2138 # it to fill %targets with target configurations. Those are then added to
2139 # %table.
2140 sub read_config {
2141 my $fname = shift;
2142 open(CONFFILE, "< $fname")
2143 or die "Can't open configuration file '$fname'!\n";
2144 my $x = $/;
2145 undef $/;
2146 my $content = <CONFFILE>;
2147 $/ = $x;
2148 close(CONFFILE);
2149 my %targets = ();
2150 {
2151 local %table = %::table; # Protect %table from tampering
2152
2153 eval $content;
2154 warn $@ if $@;
2155 }
2156
2157 # For each target, check that it's configured with a hash table.
2158 foreach (keys %targets) {
2159 if (ref($targets{$_}) ne "HASH") {
2160 if (ref($targets{$_}) eq "") {
2161 warn "Deprecated target configuration for $_, ignoring...\n";
2162 } else {
2163 warn "Misconfigured target configuration for $_ (should be a hash table), ignoring...\n";
2164 }
2165 delete $targets{$_};
2166 }
2167 }
2168
2169 %table = (%table, %targets);
2170
2171 }
2172
2173 # configuration resolver. Will only resolve all the lazy evaluation
2174 # codeblocks for the chosen target and all those it inherits from,
2175 # recursively
2176 sub resolve_config {
2177 my $target = shift;
2178 my @breadcrumbs = @_;
2179
2180 # my $extra_checks = defined($ENV{CONFIGURE_EXTRA_CHECKS});
2181
2182 if (grep { $_ eq $target } @breadcrumbs) {
2183 die "inherit_from loop! target backtrace:\n "
2184 ,$target,"\n ",join("\n ", @breadcrumbs),"\n";
2185 }
2186
2187 if (!defined($table{$target})) {
2188 warn "Warning! target $target doesn't exist!\n";
2189 return ();
2190 }
2191 # Recurse through all inheritances. They will be resolved on the
2192 # fly, so when this operation is done, they will all just be a
2193 # bunch of attributes with string values.
2194 # What we get here, though, are keys with references to lists of
2195 # the combined values of them all. We will deal with lists after
2196 # this stage is done.
2197 my %combined_inheritance = ();
2198 if ($table{$target}->{inherit_from}) {
2199 my @inherit_from =
2200 map { ref($_) eq "CODE" ? $_->() : $_ } @{$table{$target}->{inherit_from}};
2201 foreach (@inherit_from) {
2202 my %inherited_config = resolve_config($_, $target, @breadcrumbs);
2203
2204 # 'template' is a marker that's considered private to
2205 # the config that had it.
2206 delete $inherited_config{template};
2207
2208 foreach (keys %inherited_config) {
2209 if (!$combined_inheritance{$_}) {
2210 $combined_inheritance{$_} = [];
2211 }
2212 push @{$combined_inheritance{$_}}, $inherited_config{$_};
2213 }
2214 }
2215 }
2216
2217 # We won't need inherit_from in this target any more, since we've
2218 # resolved all the inheritances that lead to this
2219 delete $table{$target}->{inherit_from};
2220
2221 # Now is the time to deal with those lists. Here's the place to
2222 # decide what shall be done with those lists, all based on the
2223 # values of the target we're currently dealing with.
2224 # - If a value is a coderef, it will be executed with the list of
2225 # inherited values as arguments.
2226 # - If the corresponding key doesn't have a value at all or is the
2227 # empty string, the inherited value list will be run through the
2228 # default combiner (below), and the result becomes this target's
2229 # value.
2230 # - Otherwise, this target's value is assumed to be a string that
2231 # will simply override the inherited list of values.
2232 my $default_combiner = add();
2233
2234 my %all_keys =
2235 map { $_ => 1 } (keys %combined_inheritance,
2236 keys %{$table{$target}});
2237
2238 sub process_values {
2239 my $object = shift;
2240 my $inherited = shift; # Always a [ list ]
2241 my $target = shift;
2242 my $entry = shift;
2243
2244 $add_called = 0;
2245
2246 while(ref($object) eq "CODE") {
2247 $object = $object->(@$inherited);
2248 }
2249 if (!defined($object)) {
2250 return ();
2251 }
2252 elsif (ref($object) eq "ARRAY") {
2253 local $add_called; # To make sure recursive calls don't affect it
2254 return [ map { process_values($_, $inherited, $target, $entry) }
2255 @$object ];
2256 } elsif (ref($object) eq "") {
2257 return $object;
2258 } else {
2259 die "cannot handle reference type ",ref($object)
2260 ," found in target ",$target," -> ",$entry,"\n";
2261 }
2262 }
2263
2264 foreach (sort keys %all_keys) {
2265 my $previous = $combined_inheritance{$_};
2266
2267 # Current target doesn't have a value for the current key?
2268 # Assign it the default combiner, the rest of this loop body
2269 # will handle it just like any other coderef.
2270 if (!exists $table{$target}->{$_}) {
2271 $table{$target}->{$_} = $default_combiner;
2272 }
2273
2274 $table{$target}->{$_} = process_values($table{$target}->{$_},
2275 $combined_inheritance{$_},
2276 $target, $_);
2277 unless(defined($table{$target}->{$_})) {
2278 delete $table{$target}->{$_};
2279 }
2280 # if ($extra_checks &&
2281 # $previous && !($add_called || $previous ~~ $table{$target}->{$_})) {
2282 # warn "$_ got replaced in $target\n";
2283 # }
2284 }
2285
2286 # Finally done, return the result.
2287 return %{$table{$target}};
2288 }
2289
2290 sub usage
2291 {
2292 print STDERR $usage;
2293 print STDERR "\npick os/compiler from:\n";
2294 my $j=0;
2295 my $i;
2296 my $k=0;
2297 foreach $i (sort keys %table)
2298 {
2299 next if $table{$i}->{template};
2300 next if $i =~ /^debug/;
2301 $k += length($i) + 1;
2302 if ($k > 78)
2303 {
2304 print STDERR "\n";
2305 $k=length($i);
2306 }
2307 print STDERR $i . " ";
2308 }
2309 foreach $i (sort keys %table)
2310 {
2311 next if $table{$i}->{template};
2312 next if $i !~ /^debug/;
2313 $k += length($i) + 1;
2314 if ($k > 78)
2315 {
2316 print STDERR "\n";
2317 $k=length($i);
2318 }
2319 print STDERR $i . " ";
2320 }
2321 print STDERR "\n\nNOTE: If in doubt, on Unix-ish systems use './config'.\n";
2322 exit(1);
2323 }
2324
2325 sub run_dofile
2326 {
2327 my $out = shift;
2328 my @templates = @_;
2329
2330 unlink $out || warn "Can't remove $out, $!"
2331 if -f $out;
2332 foreach (@templates) {
2333 die "Can't open $_, $!" unless -f $_;
2334 }
2335 my $cmd = "$config{perl} \"-I.\" \"-Mconfigdata\" \"$dofile\" -o\"Configure\" \"".join("\" \"",@templates)."\" > \"$out.new\"";
2336 #print STDERR "DEBUG[run_dofile]: \$cmd = $cmd\n";
2337 system($cmd);
2338 exit 1 if $? != 0;
2339 rename("$out.new", $out) || die "Can't rename $out.new, $!";
2340 }
2341
2342 sub which
2343 {
2344 my ($name)=@_;
2345
2346 if (eval { require IPC::Cmd; 1; }) {
2347 IPC::Cmd->import();
2348 return scalar IPC::Cmd::can_run($name);
2349 } else {
2350 # if there is $directories component in splitpath,
2351 # then it's not something to test with $PATH...
2352 return $name if (File::Spec->splitpath($name))[1];
2353
2354 foreach (File::Spec->path()) {
2355 my $fullpath = catfile($_, "$name$target{exe_extension}");
2356 if (-f $fullpath and -x $fullpath) {
2357 return $fullpath;
2358 }
2359 }
2360 }
2361 }
2362
2363 # Configuration printer ##############################################
2364
2365 sub print_table_entry
2366 {
2367 my $target = shift;
2368 my %target = resolve_config($target);
2369 my $type = shift;
2370
2371 # Don't print the templates
2372 return if $target{template};
2373
2374 my @sequence = (
2375 "sys_id",
2376 "cc",
2377 "cflags",
2378 "defines",
2379 "unistd",
2380 "ld",
2381 "lflags",
2382 "plib_lflags",
2383 "ex_libs",
2384 "bn_ops",
2385 "cpuid_obj",
2386 "bn_obj",
2387 "ec_obj",
2388 "des_obj",
2389 "aes_obj",
2390 "bf_obj",
2391 "md5_obj",
2392 "sha1_obj",
2393 "cast_obj",
2394 "rc4_obj",
2395 "rmd160_obj",
2396 "rc5_obj",
2397 "wp_obj",
2398 "cmll_obj",
2399 "modes_obj",
2400 "padlock_obj",
2401 "thread_scheme",
2402 "perlasm_scheme",
2403 "dso_scheme",
2404 "shared_target",
2405 "shared_cflag",
2406 "shared_ldflag",
2407 "shared_rcflag",
2408 "shared_extension",
2409 "shared_extension_simple",
2410 "shared_import_extension",
2411 "dso_extension",
2412 "obj_extension",
2413 "exe_extension",
2414 "ranlib",
2415 "ar",
2416 "arflags",
2417 "multilib",
2418 "build_scheme",
2419 );
2420
2421 if ($type eq "TABLE") {
2422 print "\n";
2423 print "*** $target\n";
2424 foreach (@sequence) {
2425 if (ref($target{$_}) eq "ARRAY") {
2426 printf "\$%-12s = %s\n", $_, join(" ", @{$target{$_}});
2427 } else {
2428 printf "\$%-12s = %s\n", $_, $target{$_};
2429 }
2430 }
2431 } elsif ($type eq "HASH") {
2432 my $largest =
2433 length((sort { length($a) <=> length($b) } @sequence)[-1]);
2434 print " '$target' => {\n";
2435 foreach (@sequence) {
2436 if ($target{$_}) {
2437 if (ref($target{$_}) eq "ARRAY") {
2438 print " '",$_,"'"," " x ($largest - length($_))," => [ ",join(", ", map { "'$_'" } @{$target{$_}})," ],\n";
2439 } else {
2440 print " '",$_,"'"," " x ($largest - length($_))," => '",$target{$_},"',\n";
2441 }
2442 }
2443 }
2444 print " },\n";
2445 }
2446 }
2447
2448 # Utility routines ###################################################
2449
2450 # On VMS, if the given file is a logical name, File::Spec::Functions
2451 # will consider it an absolute path. There are cases when we want a
2452 # purely syntactic check without checking the environment.
2453 sub isabsolute {
2454 my $file = shift;
2455
2456 # On non-platforms, we just use file_name_is_absolute().
2457 return file_name_is_absolute($file) unless $^O eq "VMS";
2458
2459 # If the file spec includes a device or a directpry spec,
2460 # file_name_is_absolute() is perfectly safe.
2461 return file_name_is_absolute($file) if $file =~ m|[:\[]|;
2462
2463 # Here, we know the given file spec isn't absolute
2464 return 0;
2465 }
2466
2467 # Makes a directory absolute and cleans out /../ in paths like foo/../bar
2468 # On some platforms, this uses rel2abs(), while on others, realpath() is used.
2469 # realpath() requires that at least all path components except the last is an
2470 # existing directory. On VMS, the last component of the directory spec must
2471 # exist.
2472 sub absolutedir {
2473 my $dir = shift;
2474
2475 # realpath() is quite buggy on VMS. It uses LIB$FID_TO_NAME, which
2476 # will return the volume name for the device, no matter what. Also,
2477 # it will return an incorrect directory spec if the argument is a
2478 # directory that doesn't exist.
2479 if ($^O eq "VMS") {
2480 return rel2abs($dir);
2481 }
2482
2483 # We use realpath() on Unix, since no other will properly clean out
2484 # a directory spec.
2485 use Cwd qw/realpath/;
2486
2487 return realpath($dir);
2488 }
2489
2490 sub quotify {
2491 my %processors = (
2492 perl => sub { my $x = shift;
2493 $x =~ s/([\\\$\@"])/\\$1/g;
2494 return '"'.$x.'"'; },
2495 );
2496 my $for = shift;
2497 my $processor =
2498 defined($processors{$for}) ? $processors{$for} : sub { shift; };
2499
2500 return map { $processor->($_); } @_;
2501 }
2502
2503 # collect_from_file($filename, $line_concat_cond_re, $line_concat)
2504 # $filename is a file name to read from
2505 # $line_concat_cond_re is a regexp detecting a line continuation ending
2506 # $line_concat is a CODEref that takes care of concatenating two lines
2507 sub collect_from_file {
2508 my $filename = shift;
2509 my $line_concat_cond_re = shift;
2510 my $line_concat = shift;
2511
2512 open my $fh, $filename || die "unable to read $filename: $!\n";
2513 return sub {
2514 my $saved_line = "";
2515 $_ = "";
2516 while (<$fh>) {
2517 s|\R$||;
2518 if (defined $line_concat) {
2519 $_ = $line_concat->($saved_line, $_);
2520 $saved_line = "";
2521 }
2522 if (defined $line_concat_cond_re && /$line_concat_cond_re/) {
2523 $saved_line = $_;
2524 next;
2525 }
2526 return $_;
2527 }
2528 die "$filename ending with continuation line\n" if $_;
2529 close $fh;
2530 return undef;
2531 }
2532 }
2533
2534 # collect_from_array($array, $line_concat_cond_re, $line_concat)
2535 # $array is an ARRAYref of lines
2536 # $line_concat_cond_re is a regexp detecting a line continuation ending
2537 # $line_concat is a CODEref that takes care of concatenating two lines
2538 sub collect_from_array {
2539 my $array = shift;
2540 my $line_concat_cond_re = shift;
2541 my $line_concat = shift;
2542 my @array = (@$array);
2543
2544 return sub {
2545 my $saved_line = "";
2546 $_ = "";
2547 while (defined($_ = shift @array)) {
2548 s|\R$||;
2549 if (defined $line_concat) {
2550 $_ = $line_concat->($saved_line, $_);
2551 $saved_line = "";
2552 }
2553 if (defined $line_concat_cond_re && /$line_concat_cond_re/) {
2554 $saved_line = $_;
2555 next;
2556 }
2557 return $_;
2558 }
2559 die "input text ending with continuation line\n" if $_;
2560 return undef;
2561 }
2562 }
2563
2564 # collect_information($lineiterator, $line_continue, $regexp => $CODEref, ...)
2565 # $lineiterator is a CODEref that delivers one line at a time.
2566 # All following arguments are regex/CODEref pairs, where the regexp detects a
2567 # line and the CODEref does something with the result of the regexp.
2568 sub collect_information {
2569 my $lineiterator = shift;
2570 my %collectors = @_;
2571
2572 while(defined($_ = $lineiterator->())) {
2573 s|\R$||;
2574 my $found = 0;
2575 if ($collectors{"BEFORE"}) {
2576 $collectors{"BEFORE"}->($_);
2577 }
2578 foreach my $re (keys %collectors) {
2579 if ($re !~ /^OTHERWISE|BEFORE|AFTER$/ && /$re/) {
2580 $collectors{$re}->($lineiterator);
2581 $found = 1;
2582 };
2583 }
2584 if ($collectors{"OTHERWISE"}) {
2585 $collectors{"OTHERWISE"}->($lineiterator, $_)
2586 unless $found || !defined $collectors{"OTHERWISE"};
2587 }
2588 if ($collectors{"AFTER"}) {
2589 $collectors{"AFTER"}->($_);
2590 }
2591 }
2592 }
2593
2594 # tokenize($line)
2595 # $line is a line of text to split up into tokens
2596 # returns a list of tokens
2597 #
2598 # Tokens are divided by spaces. If the tokens include spaces, they
2599 # have to be quoted with single or double quotes. Double quotes
2600 # inside a double quoted token must be escaped. Escaping is done
2601 # with backslash.
2602 # Basically, the same quoting rules apply for " and ' as in any
2603 # Unix shell.
2604 sub tokenize {
2605 my $line = my $debug_line = shift;
2606 my @result = ();
2607
2608 while ($line =~ s|^\s+||, $line ne "") {
2609 my $token = "";
2610 while ($line ne "" && $line !~ m|^\s|) {
2611 if ($line =~ m/^"((?:[^"\\]+|\\.)*)"/) {
2612 $token .= $1;
2613 $line = $';
2614 } elsif ($line =~ m/^'([^']*)'/) {
2615 $token .= $1;
2616 $line = $';
2617 } elsif ($line =~ m/^(\S+)/) {
2618 $token .= $1;
2619 $line = $';
2620 }
2621 }
2622 push @result, $token;
2623 }
2624
2625 if ($ENV{CONFIGURE_DEBUG_TOKENIZE}) {
2626 print STDERR "DEBUG[tokenize]: Parsed '$debug_line' into:\n";
2627 print STDERR "DEBUG[tokenize]: ('", join("', '", @result), "')\n";
2628 }
2629 return @result;
2630 }