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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 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 "crypto-mdebug" => "default",
369 "crypto-mdebug-backtrace" => "default",
370 "ec_nistp_64_gcc_128" => "default",
371 "egd" => "default",
372 "fuzz-libfuzzer" => "default",
373 "fuzz-afl" => "default",
374 "heartbeats" => "default",
375 "md2" => "default",
376 "msan" => "default",
377 "rc5" => "default",
378 "sctp" => "default",
379 "ssl-trace" => "default",
380 "ssl3" => "default",
381 "ssl3-method" => "default",
382 "ubsan" => "default",
383 "unit-test" => "default",
384 "weak-ssl-ciphers" => "default",
385 "zlib" => "default",
386 "zlib-dynamic" => "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} || $disabled{ecdh}); }
419 => [ "tls1", "tls1_1", "tls1_2",
420 "dtls1", "dtls1_2" ],
421
422 "tls" => [ @tls ],
423
424 # SRP and HEARTBEATS require TLSEXT
425 "tlsext" => [ "srp", "heartbeats" ],
426
427 "crypto-mdebug" => [ "crypto-mdebug-backtrace" ],
428
429 # Without DSO, we can't load dynamic engines, so don't build them dynamic
430 "dso" => [ "dynamic-engine" ],
431
432 # Without position independent code, there can be no shared libraries or DSOs
433 "pic" => [ "shared" ],
434 "shared" => [ "dynamic-engine" ],
435 "engine" => [ "afalgeng" ],
436
437 # no-autoalginit is only useful when building non-shared
438 "autoalginit" => [ "shared", "apps" ],
439
440 "stdio" => [ "apps", "capieng" ],
441 "apps" => [ "tests" ],
442 "comp" => [ "zlib" ],
443 sub { !$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 (/^-static$/)
729 {
730 $libs.=$_." ";
731 $disabled{"pic"} = "forced";
732 $disabled{"shared"} = "forced";
733 $disabled{"threads"} = "forced";
734 }
735 elsif (/^-D(.*)$/)
736 {
737 push @user_defines, $1;
738 }
739 else # common if (/^[-+]/), just pass down...
740 {
741 $_ =~ s/%([0-9a-f]{1,2})/chr(hex($1))/gei;
742 $user_cflags.=" ".$_;
743 }
744 }
745 else
746 {
747 die "target already defined - $target (offending arg: $_)\n" if ($target ne "");
748 $target=$_;
749 }
750 unless ($_ eq $target || /^no-/ || /^disable-/)
751 {
752 # "no-..." follows later after implied disactivations
753 # have been derived. (Don't take this too seriously,
754 # we really only write OPTIONS to the Makefile out of
755 # nostalgia.)
756
757 if ($config{options} eq "")
758 { $config{options} = $_; }
759 else
760 { $config{options} .= " ".$_; }
761 }
762
763 if (defined($config{api}) && !exists $apitable->{$config{api}}) {
764 die "***** Unsupported api compatibility level: $config{api}\n",
765 }
766
767 if (keys %deprecated_options)
768 {
769 warn "***** Deprecated options: ",
770 join(", ", keys %deprecated_options), "\n";
771 }
772 if (keys %unsupported_options)
773 {
774 die "***** Unsupported options: ",
775 join(", ", keys %unsupported_options), "\n";
776 }
777 }
778
779 if ($config{fips})
780 {
781 delete $disabled{"shared"} if ($disabled{"shared"} =~ /^default/);
782 }
783 else
784 {
785 @{$config{dirs}} = grep !/^fips$/, @{$config{dirs}};
786 }
787
788 my @tocheckfor = (keys %disabled);
789 while (@tocheckfor) {
790 my %new_tocheckfor = ();
791 my @cascade_copy = (@disable_cascades);
792 while (@cascade_copy) {
793 my ($test, $descendents) = (shift @cascade_copy, shift @cascade_copy);
794 if (ref($test) eq "CODE" ? $test->() : defined($disabled{$test})) {
795 foreach(grep { !defined($disabled{$_}) } @$descendents) {
796 $new_tocheckfor{$_} = 1; $disabled{$_} = "forced";
797 }
798 }
799 }
800 @tocheckfor = (keys %new_tocheckfor);
801 }
802
803 if ($target eq "TABLE") {
804 foreach (sort keys %table) {
805 print_table_entry($_, "TABLE");
806 }
807 exit 0;
808 }
809
810 if ($target eq "LIST") {
811 foreach (sort keys %table) {
812 print $_,"\n" unless $table{$_}->{template};
813 }
814 exit 0;
815 }
816
817 if ($target eq "HASH") {
818 print "%table = (\n";
819 foreach (sort keys %table) {
820 print_table_entry($_, "HASH");
821 }
822 exit 0;
823 }
824
825 # Backward compatibility?
826 if ($target =~ m/^CygWin32(-.*)$/) {
827 $target = "Cygwin".$1;
828 }
829
830 foreach (sort (keys %disabled))
831 {
832 $config{options} .= " no-$_";
833
834 printf " no-%-12s %-10s", $_, "[$disabled{$_}]";
835
836 if (/^dso$/)
837 { }
838 elsif (/^threads$/)
839 { }
840 elsif (/^shared$/)
841 { }
842 elsif (/^pic$/)
843 { }
844 elsif (/^zlib$/)
845 { }
846 elsif (/^dynamic-engine$/)
847 { }
848 elsif (/^makedepend$/)
849 { }
850 elsif (/^zlib-dynamic$/)
851 { }
852 elsif (/^sse2$/)
853 { $no_sse2 = 1; }
854 elsif (/^engine$/)
855 {
856 @{$config{dirs}} = grep !/^engines$/, @{$config{dirs}};
857 @{$config{sdirs}} = grep !/^engine$/, @{$config{sdirs}};
858 push @{$config{openssl_other_defines}}, "OPENSSL_NO_ENGINE";
859 }
860 else
861 {
862 my ($ALGO, $algo);
863 ($ALGO = $algo = $_) =~ tr/[\-a-z]/[_A-Z]/;
864
865 if (/^asm$/ || /^err$/ || /^hw$/ || /^hw-/ || /^async$/
866 || /^autoalginit/ || /^autoerrinit/)
867 {
868 push @{$config{openssl_other_defines}}, "OPENSSL_NO_$ALGO";
869 print " OPENSSL_NO_$ALGO";
870
871 if (/^err$/) { push @user_defines, "OPENSSL_NO_ERR"; }
872 }
873 else
874 {
875 ($ALGO,$algo) = ("RMD160","rmd160") if ($algo eq "ripemd");
876
877 push @{$config{openssl_algorithm_defines}}, "OPENSSL_NO_$ALGO";
878 print " OPENSSL_NO_$ALGO";
879
880 # fix-up crypto/directory name(s)
881 $algo="whrlpool" if $algo eq "whirlpool";
882 $algo="ripemd" if $algo eq "rmd160";
883 @{$config{sdirs}} = grep { $_ ne $algo} @{$config{sdirs}};
884
885 print " (skip dir)";
886 }
887 }
888
889 print "\n";
890 }
891
892 print "Configuring for $target\n";
893
894 # Support for legacy targets having a name starting with 'debug-'
895 my ($d, $t) = $target =~ m/^(debug-)?(.*)$/;
896 if ($d) {
897 $config{build_type} = "debug";
898
899 # If we do not find debug-foo in the table, the target is set to foo.
900 if (!$table{$target}) {
901 $target = $t;
902 }
903 }
904 $config{target} = $target;
905 my %target = resolve_config($target);
906
907 &usage if (!%target || $target{template});
908
909 %target = ( %{$table{DEFAULTS}}, %target );
910
911 $target{exe_extension}="";
912 $target{exe_extension}=".exe" if ($config{target} eq "DJGPP"
913 || $config{target} =~ /^(?:Cygwin|mingw)/);
914 $target{exe_extension}=".pm" if ($config{target} =~ /vos/);
915
916 ($target{shared_extension_simple}=$target{shared_extension})
917 =~ s|\.\$\(SHLIB_MAJOR\)\.\$\(SHLIB_MINOR\)||;
918 $target{dso_extension}=$target{shared_extension_simple};
919 ($target{shared_import_extension}=$target{shared_extension_simple}.".a")
920 if ($config{target} =~ /^(?:Cygwin|mingw)/);
921
922
923 $config{cross_compile_prefix} = $ENV{'CROSS_COMPILE'}
924 if $config{cross_compile_prefix} eq "";
925
926 # Allow overriding the names of some tools. USE WITH CARE
927 # Note: only Unix cares about HASHBANGPERL... that explains
928 # the default string.
929 $config{perl} = $ENV{'PERL'} || ($^O ne "VMS" ? $^X : "perl");
930 $config{hashbangperl} =
931 $ENV{'HASHBANGPERL'} || $ENV{'PERL'} || "/usr/bin/env perl";
932 $target{cc} = $ENV{'CC'} || $target{cc} || "cc";
933 $target{ranlib} = $ENV{'RANLIB'} || $target{ranlib} ||
934 (which("$config{cross_compile_prefix}ranlib") ?
935 "\$(CROSS_COMPILE)ranlib" : "true");
936 $target{ar} = $ENV{'AR'} || $target{ar} || "ar";
937 $target{nm} = $ENV{'NM'} || $target{nm} || "nm";
938 $target{rc} =
939 $ENV{'RC'} || $ENV{'WINDRES'} || $target{rc} || "windres";
940
941 # For cflags, lflags, plib_lflags, ex_libs and defines, add the debug_
942 # or release_ attributes.
943 # Do it in such a way that no spurious space is appended (hence the grep).
944 $config{defines} = [];
945 $config{cflags} = "";
946 $config{ex_libs} = "";
947 $config{shared_ldflag} = "";
948
949 # Make sure build_scheme is consistent.
950 $target{build_scheme} = [ $target{build_scheme} ]
951 if ref($target{build_scheme}) ne "ARRAY";
952
953 my ($builder, $builder_platform, @builder_opts) =
954 @{$target{build_scheme}};
955
956 push @{$config{defines}}, "NDEBUG" if $config{build_type} eq "release";
957
958 if ($target =~ /^mingw/ && `$target{cc} --target-help 2>&1` =~ m/-mno-cygwin/m)
959 {
960 $config{cflags} .= " -mno-cygwin";
961 $config{shared_ldflag} .= " -mno-cygwin";
962 }
963
964 if ($target =~ /linux.*-mips/ && !$disabled{asm} && $user_cflags !~ /-m(ips|arch=)/) {
965 # minimally required architecture flags for assembly modules
966 $config{cflags}="-mips2 $config{cflags}" if ($target =~ /mips32/);
967 $config{cflags}="-mips3 $config{cflags}" if ($target =~ /mips64/);
968 }
969
970 my $no_shared_warn=0;
971 my $no_user_cflags=0;
972 my $no_user_defines=0;
973
974 # The DSO code currently always implements all functions so that no
975 # applications will have to worry about that from a compilation point
976 # of view. However, the "method"s may return zero unless that platform
977 # has support compiled in for them. Currently each method is enabled
978 # by a define "DSO_<name>" ... we translate the "dso_scheme" config
979 # string entry into using the following logic;
980 if (!$disabled{dso} && $target{dso_scheme} ne "")
981 {
982 $target{dso_scheme} =~ tr/[a-z]/[A-Z]/;
983 if ($target{dso_scheme} eq "DLFCN")
984 {
985 unshift @{$config{defines}}, "DSO_DLFCN", "HAVE_DLFCN_H";
986 }
987 elsif ($target{dso_scheme} eq "DLFCN_NO_H")
988 {
989 unshift @{$config{defines}}, "DSO_DLFCN";
990 }
991 else
992 {
993 unshift @{$config{defines}}, "DSO_$target{dso_scheme}";
994 }
995 }
996
997 $config{ex_libs}="$libs$config{ex_libs}" if ($libs ne "");
998
999 if ($disabled{asm})
1000 {
1001 if ($config{fips})
1002 {
1003 @{$config{defines}} = grep !/^[BL]_ENDIAN$/, @{$config{defines}};
1004 @{$target{defines}} = grep !/^[BL]_ENDIAN$/, @{$target{defines}};
1005 }
1006 }
1007
1008 # If threads aren't disabled, check how possible they are
1009 unless ($disabled{threads}) {
1010 if ($auto_threads) {
1011 # Enabled by default, disable it forcibly if unavailable
1012 if ($target{thread_scheme} eq "(unknown)") {
1013 $disabled{threads} = "unavailable";
1014 }
1015 } else {
1016 # The user chose to enable threads explicitly, let's see
1017 # if there's a chance that's possible
1018 if ($target{thread_scheme} eq "(unknown)") {
1019 # If the user asked for "threads" and we don't have internal
1020 # knowledge how to do it, [s]he is expected to provide any
1021 # system-dependent compiler options that are necessary. We
1022 # can't truly check that the given options are correct, but
1023 # we expect the user to know what [s]He is doing.
1024 if ($no_user_cflags && $no_user_defines) {
1025 die "You asked for multi-threading support, but didn't\n"
1026 ,"provide any system-specific compiler options\n";
1027 }
1028 }
1029 }
1030 }
1031
1032 # If threads still aren't disabled, add a C macro to ensure the source
1033 # code knows about it. Any other flag is taken care of by the configs.
1034 unless($disabled{threads}) {
1035 foreach (("defines", "openssl_thread_defines")) {
1036 push @{$config{$_}}, "OPENSSL_THREADS";
1037 }
1038 }
1039
1040 # With "deprecated" disable all deprecated features.
1041 if (defined($disabled{"deprecated"})) {
1042 $config{api} = $maxapi;
1043 }
1044
1045 if ($target{shared_target} eq "")
1046 {
1047 $no_shared_warn = 1
1048 if ((!$disabled{shared} || !$disabled{"dynamic-engine"})
1049 && !$config{fips});
1050 $disabled{shared} = "no-shared-target";
1051 $disabled{pic} = $disabled{shared} = $disabled{"dynamic-engine"} =
1052 "no-shared-target";
1053 }
1054
1055 if ($disabled{"dynamic-engine"}) {
1056 push @{$config{defines}}, "OPENSSL_NO_DYNAMIC_ENGINE";
1057 $config{dynamic_engines} = 0;
1058 } else {
1059 push @{$config{defines}}, "OPENSSL_NO_STATIC_ENGINE";
1060 $config{dynamic_engines} = 1;
1061 }
1062
1063 unless ($disabled{"fuzz-libfuzzer"}) {
1064 $config{cflags} .= "-fsanitize-coverage=edge,indirect-calls ";
1065 }
1066
1067 unless ($disabled{asan}) {
1068 $config{cflags} .= "-fsanitize=address ";
1069 }
1070
1071 unless ($disabled{ubsan}) {
1072 # -DPEDANTIC or -fnosanitize=alignment may also be required on some
1073 # platforms.
1074 $config{cflags} .= "-fsanitize=undefined -fno-sanitize-recover=all ";
1075 }
1076
1077 unless ($disabled{msan}) {
1078 $config{cflags} .= "-fsanitize=memory ";
1079 }
1080
1081 unless ($disabled{"fuzz-libfuzzer"} && $disabled{"fuzz-afl"}
1082 && $disabled{asan} && $disabled{ubsan} && $disabled{msan}) {
1083 $config{cflags} .= "-fno-omit-frame-pointer -g ";
1084 }
1085 #
1086 # Platform fix-ups
1087 #
1088
1089 # This saves the build files from having to check
1090 if ($disabled{pic})
1091 {
1092 $target{shared_cflag} = $target{shared_ldflag} =
1093 $target{shared_rcflag} = "";
1094 }
1095 else
1096 {
1097 push @{$config{defines}}, "OPENSSL_PIC";
1098 }
1099
1100 if ($target{sys_id} ne "")
1101 {
1102 push @{$config{openssl_sys_defines}}, "OPENSSL_SYS_$target{sys_id}";
1103 }
1104
1105 unless ($disabled{asm}) {
1106 $target{cpuid_asm_src}=$table{DEFAULTS}->{cpuid_asm_src} if ($config{processor} eq "386");
1107 $target{bn_asm_src} =~ s/\w+-gf2m.c// if (defined($disabled{ec2m}));
1108
1109 # bn-586 is the only one implementing bn_*_part_words
1110 push @{$config{defines}}, "OPENSSL_BN_ASM_PART_WORDS" if ($target{bn_asm_src} =~ /bn-586/);
1111 push @{$config{defines}}, "OPENSSL_IA32_SSE2" if (!$no_sse2 && $target{bn_asm_src} =~ /86/);
1112
1113 push @{$config{defines}}, "OPENSSL_BN_ASM_MONT" if ($target{bn_asm_src} =~ /-mont/);
1114 push @{$config{defines}}, "OPENSSL_BN_ASM_MONT5" if ($target{bn_asm_src} =~ /-mont5/);
1115 push @{$config{defines}}, "OPENSSL_BN_ASM_GF2m" if ($target{bn_asm_src} =~ /-gf2m/);
1116
1117 if ($config{fips}) {
1118 push @{$config{openssl_other_defines}}, "OPENSSL_FIPS";
1119 }
1120
1121 if ($target{sha1_asm_src}) {
1122 push @{$config{defines}}, "SHA1_ASM" if ($target{sha1_asm_src} =~ /sx86/ || $target{sha1_asm_src} =~ /sha1/);
1123 push @{$config{defines}}, "SHA256_ASM" if ($target{sha1_asm_src} =~ /sha256/);
1124 push @{$config{defines}}, "SHA512_ASM" if ($target{sha1_asm_src} =~ /sha512/);
1125 }
1126 if ($target{md5_asm_src}) {
1127 push @{$config{defines}}, "MD5_ASM";
1128 }
1129 $target{cast_asm_src}=$table{DEFAULTS}->{cast_asm_src} unless $disabled{pic}; # CAST assembler is not PIC
1130 if ($target{rmd160_asm_src}) {
1131 push @{$config{defines}}, "RMD160_ASM";
1132 }
1133 if ($target{aes_asm_src}) {
1134 push @{$config{defines}}, "AES_ASM" if ($target{aes_asm_src} =~ m/\baes-/);;
1135 # aes-ctr.fake is not a real file, only indication that assembler
1136 # module implements AES_ctr32_encrypt...
1137 push @{$config{defines}}, "AES_CTR_ASM" if ($target{aes_asm_src} =~ s/\s*aes-ctr\.fake//);
1138 # aes-xts.fake indicates presence of AES_xts_[en|de]crypt...
1139 push @{$config{defines}}, "AES_XTS_ASM" if ($target{aes_asm_src} =~ s/\s*aes-xts\.fake//);
1140 $target{aes_asm_src} =~ s/\s*(vpaes|aesni)-x86\.s//g if ($no_sse2);
1141 push @{$config{defines}}, "VPAES_ASM" if ($target{aes_asm_src} =~ m/vpaes/);
1142 push @{$config{defines}}, "BSAES_ASM" if ($target{aes_asm_src} =~ m/bsaes/);
1143 }
1144 if ($target{wp_asm_src} =~ /mmx/) {
1145 if ($config{processor} eq "386") {
1146 $target{wp_asm_src}=$table{DEFAULTS}->{wp_asm_src};
1147 } elsif (!$disabled{"whirlpool"}) {
1148 push @{$config{defines}}, "WHIRLPOOL_ASM";
1149 }
1150 }
1151 if ($target{modes_asm_src} =~ /ghash-/) {
1152 push @{$config{defines}}, "GHASH_ASM";
1153 }
1154 if ($target{ec_asm_src} =~ /ecp_nistz256/) {
1155 push @{$config{defines}}, "ECP_NISTZ256_ASM";
1156 }
1157 if ($target{poly1305_asm_src} ne "") {
1158 push @{$config{defines}}, "POLY1305_ASM";
1159 }
1160 }
1161
1162 my $ecc = $target{cc};
1163 if ($^O ne "VMS" && !$disabled{makedepend}) {
1164 # Is the compiler gcc or clang? $ecc is used below to see if
1165 # error-checking can be turned on.
1166 my $ccpcc = "$config{cross_compile_prefix}$target{cc}";
1167 open(PIPE, "$ccpcc --version 2>&1 |");
1168 my $lines = 2;
1169 while ( <PIPE> ) {
1170 # Find the version number and save the major.
1171 m|(?:.*)\b(\d+)\.\d+\.\d+\b(?:.*)|;
1172 my $compiler_major = $1;
1173 # We know that GNU C version 3 and up as well as all clang
1174 # versions support dependency generation
1175 $config{makedepprog} = $ccpcc
1176 if (/clang/ || (/gcc/ && $compiler_major > 3));
1177 $ecc = "clang" if /clang/;
1178 $ecc = "gcc" if /gcc/;
1179 last if ($config{makedepprog} || !$lines--);
1180 }
1181 close(PIPE);
1182
1183 $config{makedepprog} = which('makedepend') unless $config{makedepprog};
1184 $disabled{makedepend} = "unavailable" unless $config{makedepprog};
1185 }
1186
1187
1188
1189 # Deal with bn_ops ###################################################
1190
1191 $config{bn_ll} =0;
1192 $config{export_var_as_fn} =0;
1193 my $def_int="unsigned int";
1194 $config{rc4_int} =$def_int;
1195 ($config{b64l},$config{b64},$config{b32})=(0,0,1);
1196
1197 my $count = 0;
1198 foreach (sort split(/\s+/,$target{bn_ops})) {
1199 $count++ if /SIXTY_FOUR_BIT|SIXTY_FOUR_BIT_LONG|THIRTY_TWO_BIT/;
1200 $config{export_var_as_fn}=1 if $_ eq 'EXPORT_VAR_AS_FN';
1201 $config{bn_ll}=1 if $_ eq 'BN_LLONG';
1202 $config{rc4_int}="unsigned char" if $_ eq 'RC4_CHAR';
1203 ($config{b64l},$config{b64},$config{b32})
1204 =(0,1,0) if $_ eq 'SIXTY_FOUR_BIT';
1205 ($config{b64l},$config{b64},$config{b32})
1206 =(1,0,0) if $_ eq 'SIXTY_FOUR_BIT_LONG';
1207 ($config{b64l},$config{b64},$config{b32})
1208 =(0,0,1) if $_ eq 'THIRTY_TWO_BIT';
1209 }
1210 die "Exactly one of SIXTY_FOUR_BIT|SIXTY_FOUR_BIT_LONG|THIRTY_TWO_BIT can be set in bn_ops\n"
1211 if $count > 1;
1212
1213
1214 # Hack cflags for better warnings (dev option) #######################
1215
1216 # "Stringify" the C flags string. This permits it to be made part of a string
1217 # and works as well on command lines.
1218 $config{cflags} =~ s/([\\\"])/\\$1/g;
1219
1220 if (defined($config{api})) {
1221 $config{openssl_api_defines} = [ "OPENSSL_MIN_API=".$apitable->{$config{api}} ];
1222 my $apiflag = sprintf("OPENSSL_API_COMPAT=%s", $apitable->{$config{api}});
1223 push @{$config{defines}}, $apiflag;
1224 }
1225
1226 if ($strict_warnings)
1227 {
1228 my $wopt;
1229 die "ERROR --strict-warnings requires gcc or clang"
1230 unless $ecc eq 'gcc' || $ecc eq 'clang';
1231 foreach $wopt (split /\s+/, $gcc_devteam_warn)
1232 {
1233 $config{cflags} .= " $wopt" unless ($config{cflags} =~ /(?:^|\s)$wopt(?:\s|$)/)
1234 }
1235 if ($ecc eq "clang")
1236 {
1237 foreach $wopt (split /\s+/, $clang_devteam_warn)
1238 {
1239 $config{cflags} .= " $wopt" unless ($config{cflags} =~ /(?:^|\s)$wopt(?:\s|$)/)
1240 }
1241 }
1242 }
1243
1244 unless ($disabled{"crypto-mdebug-backtrace"})
1245 {
1246 foreach my $wopt (split /\s+/, $memleak_devteam_backtrace)
1247 {
1248 $config{cflags} .= " $wopt" unless ($config{cflags} =~ /(?:^|\s)$wopt(?:\s|$)/)
1249 }
1250 if ($target =~ /^BSD-/)
1251 {
1252 $config{ex_libs} .= " -lexecinfo";
1253 }
1254 }
1255
1256 if ($user_cflags ne "") { $config{cflags}="$config{cflags}$user_cflags"; }
1257 else { $no_user_cflags=1; }
1258 if (@user_defines) { $config{defines}=[ @{$config{defines}}, @user_defines ]; }
1259 else { $no_user_defines=1; }
1260
1261 # ALL MODIFICATIONS TO %config and %target MUST BE DONE FROM HERE ON
1262
1263 unless ($disabled{afalgeng}) {
1264 $config{afalgeng}="";
1265 if ($target =~ m/^linux/) {
1266 my $minver = 4*10000 + 1*100 + 0;
1267 if ($config{cross_compile_prefix} eq "") {
1268 my $verstr = `uname -r`;
1269 my ($ma, $mi1, $mi2) = split("\\.", $verstr);
1270 ($mi2) = $mi2 =~ /(\d+)/;
1271 my $ver = $ma*10000 + $mi1*100 + $mi2;
1272 if ($ver < $minver) {
1273 $disabled{afalgeng} = "too-old-kernel";
1274 } else {
1275 push @{$config{engdirs}}, "afalg";
1276 }
1277 } else {
1278 $disabled{afalgeng} = "cross-compiling";
1279 }
1280 } else {
1281 $disabled{afalgeng} = "not-linux";
1282 }
1283 }
1284
1285 push @{$config{openssl_other_defines}}, "OPENSSL_NO_AFALGENG" if ($disabled{afalgeng});
1286
1287 # If we use the unified build, collect information from build.info files
1288 my %unified_info = ();
1289
1290 my $buildinfo_debug = defined($ENV{CONFIGURE_DEBUG_BUILDINFO});
1291 if ($builder eq "unified") {
1292 # Store the name of the template file we will build the build file from
1293 # in %config. This may be useful for the build file itself.
1294 my $build_file_template;
1295
1296 for my $filename (( $builder_platform."-".$target{build_file}.".tmpl",
1297 $target{build_file}.".tmpl" )) {
1298 if (defined $ENV{$local_config_envname}) {
1299 if ($^O eq 'VMS') {
1300 # VMS environment variables are logical names,
1301 # which can be used as is
1302 $build_file_template = $local_config_envname . ':' . $filename;
1303 } else {
1304 $build_file_template = catfile($ENV{$local_config_envname},
1305 $filename);
1306 }
1307 }
1308
1309 last if -f $build_file_template;
1310
1311 $build_file_template = catfile($srcdir, "Configurations", $filename);
1312
1313 last if -f $build_file_template;
1314 }
1315 $config{build_file_template} = $build_file_template;
1316
1317 use lib catdir(dirname(__FILE__),"util");
1318 use with_fallback qw(Text::Template);
1319
1320 sub cleandir {
1321 my $base = shift;
1322 my $dir = shift;
1323 my $relativeto = shift || ".";
1324
1325 $dir = catdir($base,$dir) unless isabsolute($dir);
1326
1327 # Make sure the directories we're building in exists
1328 mkpath($dir);
1329
1330 my $res = abs2rel(absolutedir($dir), rel2abs($relativeto));
1331 #print STDERR "DEBUG[cleandir]: $dir , $base => $res\n";
1332 return $res;
1333 }
1334
1335 sub cleanfile {
1336 my $base = shift;
1337 my $file = shift;
1338 my $relativeto = shift || ".";
1339
1340 $file = catfile($base,$file) unless isabsolute($file);
1341
1342 my $d = dirname($file);
1343 my $f = basename($file);
1344
1345 # Make sure the directories we're building in exists
1346 mkpath($d);
1347
1348 my $res = abs2rel(catfile(absolutedir($d), $f), rel2abs($relativeto));
1349 #print STDERR "DEBUG[cleanfile]: $d , $f => $res\n";
1350 return $res;
1351 }
1352
1353 my @build_infos = ( [ ".", "build.info" ] );
1354 foreach (@{$config{dirs}}) {
1355 push @build_infos, [ $_, "build.info" ]
1356 if (-f catfile($srcdir, $_, "build.info"));
1357 }
1358 foreach (@{$config{sdirs}}) {
1359 push @build_infos, [ catdir("crypto", $_), "build.info" ]
1360 if (-f catfile($srcdir, "crypto", $_, "build.info"));
1361 }
1362 foreach (@{$config{engdirs}}) {
1363 push @build_infos, [ catdir("engines", $_), "build.info" ]
1364 if (-f catfile($srcdir, "engines", $_, "build.info"));
1365 }
1366
1367 $config{build_infos} = [ ];
1368
1369 foreach (@build_infos) {
1370 my $sourced = catdir($srcdir, $_->[0]);
1371 my $buildd = catdir($blddir, $_->[0]);
1372
1373 mkpath($buildd);
1374
1375 my $f = $_->[1];
1376 # The basic things we're trying to build
1377 my @programs = ();
1378 my @programs_install = ();
1379 my @libraries = ();
1380 my @libraries_install = ();
1381 my @engines = ();
1382 my @engines_install = ();
1383 my @scripts = ();
1384 my @scripts_install = ();
1385 my @extra = ();
1386 my @overrides = ();
1387 my @intermediates = ();
1388 my @rawlines = ();
1389
1390 my %ordinals = ();
1391 my %sources = ();
1392 my %shared_sources = ();
1393 my %includes = ();
1394 my %depends = ();
1395 my %renames = ();
1396 my %sharednames = ();
1397 my %generate = ();
1398
1399 push @{$config{build_infos}}, catfile(abs2rel($sourced, $blddir), $f);
1400 my $template = Text::Template->new(TYPE => 'FILE',
1401 SOURCE => catfile($sourced, $f));
1402 die "Something went wrong with $sourced/$f: $!\n" unless $template;
1403 my @text =
1404 split /^/m,
1405 $template->fill_in(HASH => { config => \%config,
1406 target => \%target,
1407 disabled => \%disabled,
1408 withargs => \%withargs,
1409 builddir => abs2rel($buildd, $blddir),
1410 sourcedir => abs2rel($sourced, $blddir),
1411 buildtop => abs2rel($blddir, $blddir),
1412 sourcetop => abs2rel($srcdir, $blddir) },
1413 DELIMITERS => [ "{-", "-}" ]);
1414
1415 # The top item of this stack has the following values
1416 # -2 positive already run and we found ELSE (following ELSIF should fail)
1417 # -1 positive already run (skip until ENDIF)
1418 # 0 negatives so far (if we're at a condition, check it)
1419 # 1 last was positive (don't skip lines until next ELSE, ELSIF or ENDIF)
1420 # 2 positive ELSE (following ELSIF should fail)
1421 my @skip = ();
1422 collect_information(
1423 collect_from_array([ @text ],
1424 qr/\\$/ => sub { my $l1 = shift; my $l2 = shift;
1425 $l1 =~ s/\\$//; $l1.$l2 }),
1426 # Info we're looking for
1427 qr/^\s*IF\[((?:\\.|[^\\\]])*)\]\s*$/
1428 => sub {
1429 if (! @skip || $skip[$#skip] > 0) {
1430 push @skip, !! $1;
1431 } else {
1432 push @skip, -1;
1433 }
1434 },
1435 qr/^\s*ELSIF\[((?:\\.|[^\\\]])*)\]\s*$/
1436 => sub { die "ELSIF out of scope" if ! @skip;
1437 die "ELSIF following ELSE" if abs($skip[$#skip]) == 2;
1438 $skip[$#skip] = -1 if $skip[$#skip] != 0;
1439 $skip[$#skip] = !! $1
1440 if $skip[$#skip] == 0; },
1441 qr/^\s*ELSE\s*$/
1442 => sub { die "ELSE out of scope" if ! @skip;
1443 $skip[$#skip] = -2 if $skip[$#skip] != 0;
1444 $skip[$#skip] = 2 if $skip[$#skip] == 0; },
1445 qr/^\s*ENDIF\s*$/
1446 => sub { die "ENDIF out of scope" if ! @skip;
1447 pop @skip; },
1448 qr/^\s*PROGRAMS(_NO_INST)?\s*=\s*(.*)\s*$/
1449 => sub {
1450 if (!@skip || $skip[$#skip] > 0) {
1451 my $install = $1;
1452 my @x = tokenize($2);
1453 push @programs, @x;
1454 push @programs_install, @x unless $install;
1455 }
1456 },
1457 qr/^\s*LIBS(_NO_INST)?\s*=\s*(.*)\s*$/
1458 => sub {
1459 if (!@skip || $skip[$#skip] > 0) {
1460 my $install = $1;
1461 my @x = tokenize($2);
1462 push @libraries, @x;
1463 push @libraries_install, @x unless $install;
1464 }
1465 },
1466 qr/^\s*ENGINES(_NO_INST)?\s*=\s*(.*)\s*$/
1467 => sub {
1468 if (!@skip || $skip[$#skip] > 0) {
1469 my $install = $1;
1470 my @x = tokenize($2);
1471 push @engines, @x;
1472 push @engines_install, @x unless $install;
1473 }
1474 },
1475 qr/^\s*SCRIPTS(_NO_INST)?\s*=\s*(.*)\s*$/
1476 => sub {
1477 if (!@skip || $skip[$#skip] > 0) {
1478 my $install = $1;
1479 my @x = tokenize($2);
1480 push @scripts, @x;
1481 push @scripts_install, @x unless $install;
1482 }
1483 },
1484 qr/^\s*EXTRA\s*=\s*(.*)\s*$/
1485 => sub { push @extra, tokenize($1)
1486 if !@skip || $skip[$#skip] > 0 },
1487 qr/^\s*OVERRIDES\s*=\s*(.*)\s*$/
1488 => sub { push @overrides, tokenize($1)
1489 if !@skip || $skip[$#skip] > 0 },
1490
1491 qr/^\s*ORDINALS\[((?:\\.|[^\\\]])+)\]\s*=\s*(.*)\s*$/,
1492 => sub { push @{$ordinals{$1}}, tokenize($2)
1493 if !@skip || $skip[$#skip] > 0 },
1494 qr/^\s*SOURCE\[((?:\\.|[^\\\]])+)\]\s*=\s*(.*)\s*$/
1495 => sub { push @{$sources{$1}}, tokenize($2)
1496 if !@skip || $skip[$#skip] > 0 },
1497 qr/^\s*SHARED_SOURCE\[((?:\\.|[^\\\]])+)\]\s*=\s*(.*)\s*$/
1498 => sub { push @{$shared_sources{$1}}, tokenize($2)
1499 if !@skip || $skip[$#skip] > 0 },
1500 qr/^\s*INCLUDE\[((?:\\.|[^\\\]])+)\]\s*=\s*(.*)\s*$/
1501 => sub { push @{$includes{$1}}, tokenize($2)
1502 if !@skip || $skip[$#skip] > 0 },
1503 qr/^\s*DEPEND\[((?:\\.|[^\\\]])*)\]\s*=\s*(.*)\s*$/
1504 => sub { push @{$depends{$1}}, tokenize($2)
1505 if !@skip || $skip[$#skip] > 0 },
1506 qr/^\s*GENERATE\[((?:\\.|[^\\\]])+)\]\s*=\s*(.*)\s*$/
1507 => sub { push @{$generate{$1}}, $2
1508 if !@skip || $skip[$#skip] > 0 },
1509 qr/^\s*RENAME\[((?:\\.|[^\\\]])+)\]\s*=\s*(.*)\s*$/
1510 => sub { push @{$renames{$1}}, tokenize($2)
1511 if !@skip || $skip[$#skip] > 0 },
1512 qr/^\s*SHARED_NAME\[((?:\\.|[^\\\]])+)\]\s*=\s*(.*)\s*$/
1513 => sub { push @{$sharednames{$1}}, tokenize($2)
1514 if !@skip || $skip[$#skip] > 0 },
1515 qr/^\s*BEGINRAW\[((?:\\.|[^\\\]])+)\]\s*$/
1516 => sub {
1517 my $lineiterator = shift;
1518 my $target_kind = $1;
1519 while (defined $lineiterator->()) {
1520 s|\R$||;
1521 if (/^\s*ENDRAW\[((?:\\.|[^\\\]])+)\]\s*$/) {
1522 die "ENDRAW doesn't match BEGINRAW"
1523 if $1 ne $target_kind;
1524 last;
1525 }
1526 next if @skip && $skip[$#skip] <= 0;
1527 push @rawlines, $_
1528 if ($target_kind eq $target{build_file}
1529 || $target_kind eq $target{build_file}."(".$builder_platform.")");
1530 }
1531 },
1532 qr/^(?:#.*|\s*)$/ => sub { },
1533 "OTHERWISE" => sub { die "Something wrong with this line:\n$_\nat $sourced/$f" },
1534 "BEFORE" => sub {
1535 if ($buildinfo_debug) {
1536 print STDERR "DEBUG: Parsing ",join(" ", @_),"\n";
1537 print STDERR "DEBUG: ... before parsing, skip stack is ",join(" ", map { int($_) } @skip),"\n";
1538 }
1539 },
1540 "AFTER" => sub {
1541 if ($buildinfo_debug) {
1542 print STDERR "DEBUG: .... after parsing, skip stack is ",join(" ", map { int($_) } @skip),"\n";
1543 }
1544 },
1545 );
1546 die "runaway IF?" if (@skip);
1547
1548 foreach (keys %renames) {
1549 die "$_ renamed to more than one thing: "
1550 ,join(" ", @{$renames{$_}}),"\n"
1551 if scalar @{$renames{$_}} > 1;
1552 my $dest = cleanfile($buildd, $_, $blddir);
1553 my $to = cleanfile($buildd, $renames{$_}->[0], $blddir);
1554 die "$dest renamed to more than one thing: "
1555 ,$unified_info{rename}->{$dest}, $to
1556 unless !defined($unified_info{rename}->{$dest})
1557 or $unified_info{rename}->{$dest} eq $to;
1558 $unified_info{rename}->{$dest} = $to;
1559 }
1560
1561 foreach (@programs) {
1562 my $program = cleanfile($buildd, $_, $blddir);
1563 if ($unified_info{rename}->{$program}) {
1564 $program = $unified_info{rename}->{$program};
1565 }
1566 $unified_info{programs}->{$program} = 1;
1567 }
1568
1569 foreach (@programs_install) {
1570 my $program = cleanfile($buildd, $_, $blddir);
1571 if ($unified_info{rename}->{$program}) {
1572 $program = $unified_info{rename}->{$program};
1573 }
1574 $unified_info{install}->{programs}->{$program} = 1;
1575 }
1576
1577 foreach (@libraries) {
1578 my $library = cleanfile($buildd, $_, $blddir);
1579 if ($unified_info{rename}->{$library}) {
1580 $library = $unified_info{rename}->{$library};
1581 }
1582 $unified_info{libraries}->{$library} = 1;
1583 }
1584
1585 foreach (@libraries_install) {
1586 my $library = cleanfile($buildd, $_, $blddir);
1587 if ($unified_info{rename}->{$library}) {
1588 $library = $unified_info{rename}->{$library};
1589 }
1590 $unified_info{install}->{libraries}->{$library} = 1;
1591 }
1592
1593 die <<"EOF" if scalar @engines and !$config{dynamic_engines};
1594 ENGINES can only be used if configured with 'dynamic-engine'.
1595 This is usually a fault in a build.info file.
1596 EOF
1597 foreach (@engines) {
1598 my $library = cleanfile($buildd, $_, $blddir);
1599 if ($unified_info{rename}->{$library}) {
1600 $library = $unified_info{rename}->{$library};
1601 }
1602 $unified_info{engines}->{$library} = 1;
1603 }
1604
1605 foreach (@engines_install) {
1606 my $library = cleanfile($buildd, $_, $blddir);
1607 if ($unified_info{rename}->{$library}) {
1608 $library = $unified_info{rename}->{$library};
1609 }
1610 $unified_info{install}->{engines}->{$library} = 1;
1611 }
1612
1613 foreach (@scripts) {
1614 my $script = cleanfile($buildd, $_, $blddir);
1615 if ($unified_info{rename}->{$script}) {
1616 $script = $unified_info{rename}->{$script};
1617 }
1618 $unified_info{scripts}->{$script} = 1;
1619 }
1620
1621 foreach (@scripts_install) {
1622 my $script = cleanfile($buildd, $_, $blddir);
1623 if ($unified_info{rename}->{$script}) {
1624 $script = $unified_info{rename}->{$script};
1625 }
1626 $unified_info{install}->{scripts}->{$script} = 1;
1627 }
1628
1629 foreach (@extra) {
1630 my $extra = cleanfile($buildd, $_, $blddir);
1631 $unified_info{extra}->{$extra} = 1;
1632 }
1633
1634 foreach (@overrides) {
1635 my $override = cleanfile($buildd, $_, $blddir);
1636 $unified_info{overrides}->{$override} = 1;
1637 }
1638
1639 push @{$unified_info{rawlines}}, @rawlines;
1640
1641 unless ($disabled{shared}) {
1642 # Check sharednames.
1643 foreach (keys %sharednames) {
1644 my $dest = cleanfile($buildd, $_, $blddir);
1645 if ($unified_info{rename}->{$dest}) {
1646 $dest = $unified_info{rename}->{$dest};
1647 }
1648 die "shared_name for $dest with multiple values: "
1649 ,join(" ", @{$sharednames{$_}}),"\n"
1650 if scalar @{$sharednames{$_}} > 1;
1651 my $to = cleanfile($buildd, $sharednames{$_}->[0], $blddir);
1652 die "shared_name found for a library $dest that isn't defined\n"
1653 unless $unified_info{libraries}->{$dest};
1654 die "shared_name for $dest with multiple values: "
1655 ,$unified_info{sharednames}->{$dest}, ", ", $to
1656 unless !defined($unified_info{sharednames}->{$dest})
1657 or $unified_info{sharednames}->{$dest} eq $to;
1658 $unified_info{sharednames}->{$dest} = $to;
1659 }
1660
1661 # Additionally, we set up sharednames for libraries that don't
1662 # have any, as themselves.
1663 foreach (keys %{$unified_info{libraries}}) {
1664 if (!defined $unified_info{sharednames}->{$_}) {
1665 $unified_info{sharednames}->{$_} = $_
1666 }
1667 }
1668 }
1669
1670 foreach (keys %ordinals) {
1671 my $dest = $_;
1672 my $ddest = cleanfile($buildd, $_, $blddir);
1673 if ($unified_info{rename}->{$ddest}) {
1674 $ddest = $unified_info{rename}->{$ddest};
1675 }
1676 foreach (@{$ordinals{$dest}}) {
1677 my %known_ordinals =
1678 (
1679 crypto =>
1680 cleanfile($sourced, catfile("util", "libcrypto.num"), $blddir),
1681 ssl =>
1682 cleanfile($sourced, catfile("util", "libssl.num"), $blddir)
1683 );
1684 my $o = $known_ordinals{$_};
1685 die "Ordinals for $ddest defined more than once\n"
1686 if $unified_info{ordinals}->{$ddest};
1687 $unified_info{ordinals}->{$ddest} = [ $_, $o ];
1688 }
1689 }
1690
1691 foreach (keys %sources) {
1692 my $dest = $_;
1693 my $ddest = cleanfile($buildd, $_, $blddir);
1694 if ($unified_info{rename}->{$ddest}) {
1695 $ddest = $unified_info{rename}->{$ddest};
1696 }
1697 foreach (@{$sources{$dest}}) {
1698 my $s = cleanfile($sourced, $_, $blddir);
1699
1700 # If it isn't in the source tree, we assume it's generated
1701 # in the build tree
1702 if (! -f $s) {
1703 $s = cleanfile($buildd, $_, $blddir);
1704 }
1705 # We recognise C and asm files
1706 if ($s =~ /\.[csS]\b$/) {
1707 (my $o = $_) =~ s/\.[csS]\b$/.o/;
1708 $o = cleanfile($buildd, $o, $blddir);
1709 $unified_info{sources}->{$ddest}->{$o} = 1;
1710 $unified_info{sources}->{$o}->{$s} = 1;
1711 } else {
1712 $unified_info{sources}->{$ddest}->{$s} = 1;
1713 }
1714 }
1715 }
1716
1717 foreach (keys %shared_sources) {
1718 my $dest = $_;
1719 my $ddest = cleanfile($buildd, $_, $blddir);
1720 if ($unified_info{rename}->{$ddest}) {
1721 $ddest = $unified_info{rename}->{$ddest};
1722 }
1723 foreach (@{$shared_sources{$dest}}) {
1724 my $s = cleanfile($sourced, $_, $blddir);
1725
1726 # If it isn't in the source tree, we assume it's generated
1727 # in the build tree
1728 if (! -f $s) {
1729 $s = cleanfile($buildd, $_, $blddir);
1730 }
1731 # We recognise C and asm files
1732 if ($s =~ /\.[csS]\b$/) {
1733 (my $o = $_) =~ s/\.[csS]\b$/.o/;
1734 $o = cleanfile($buildd, $o, $blddir);
1735 $unified_info{shared_sources}->{$ddest}->{$o} = 1;
1736 $unified_info{sources}->{$o}->{$s} = 1;
1737 } else {
1738 die "unrecognised source file type for shared library: $s\n";
1739 }
1740 }
1741 }
1742
1743 foreach (keys %generate) {
1744 my $dest = $_;
1745 my $ddest = cleanfile($buildd, $_, $blddir);
1746 if ($unified_info{rename}->{$ddest}) {
1747 $ddest = $unified_info{rename}->{$ddest};
1748 }
1749 die "more than one generator for $dest: "
1750 ,join(" ", @{$generate{$_}}),"\n"
1751 if scalar @{$generate{$_}} > 1;
1752 my @generator = split /\s+/, $generate{$dest}->[0];
1753 $generator[0] = cleanfile($sourced, $generator[0], $blddir),
1754 $unified_info{generate}->{$ddest} = [ @generator ];
1755 }
1756
1757 foreach (keys %depends) {
1758 my $dest = $_;
1759 my $ddest = $dest eq "" ? "" : cleanfile($sourced, $_, $blddir);
1760
1761 # If the destination doesn't exist in source, it can only be
1762 # a generated file in the build tree.
1763 if ($ddest ne "" && ! -f $ddest) {
1764 $ddest = cleanfile($buildd, $_, $blddir);
1765 if ($unified_info{rename}->{$ddest}) {
1766 $ddest = $unified_info{rename}->{$ddest};
1767 }
1768 }
1769 foreach (@{$depends{$dest}}) {
1770 my $d = cleanfile($sourced, $_, $blddir);
1771
1772 # If we know it's generated, or assume it is because we can't
1773 # find it in the source tree, we set file we depend on to be
1774 # in the build tree rather than the source tree, and assume
1775 # and that there are lines to build it in a BEGINRAW..ENDRAW
1776 # section or in the Makefile template.
1777 if (! -f $d
1778 || (grep { $d eq $_ }
1779 map { cleanfile($srcdir, $_, $blddir) }
1780 grep { /\.h$/ } keys %{$unified_info{generate}})) {
1781 $d = cleanfile($buildd, $_, $blddir);
1782 }
1783 # Take note if the file to depend on is being renamed
1784 if ($unified_info{rename}->{$d}) {
1785 $d = $unified_info{rename}->{$d};
1786 }
1787 $unified_info{depends}->{$ddest}->{$d} = 1;
1788 # If we depend on a header file or a perl module, let's make
1789 # sure it can get included
1790 if ($dest ne "" && $d =~ /\.(h|pm)$/) {
1791 my $i = dirname($d);
1792 push @{$unified_info{includes}->{$ddest}->{source}}, $i
1793 unless grep { $_ eq $i } @{$unified_info{includes}->{$ddest}->{source}};
1794 }
1795 }
1796 }
1797
1798 foreach (keys %includes) {
1799 my $dest = $_;
1800 my $ddest = cleanfile($sourced, $_, $blddir);
1801
1802 # If the destination doesn't exist in source, it can only be
1803 # a generated file in the build tree.
1804 if (! -f $ddest) {
1805 $ddest = cleanfile($buildd, $_, $blddir);
1806 if ($unified_info{rename}->{$ddest}) {
1807 $ddest = $unified_info{rename}->{$ddest};
1808 }
1809 }
1810 foreach (@{$includes{$dest}}) {
1811 my $is = cleandir($sourced, $_, $blddir);
1812 my $ib = cleandir($buildd, $_, $blddir);
1813 push @{$unified_info{includes}->{$ddest}->{source}}, $is
1814 unless grep { $_ eq $is } @{$unified_info{includes}->{$ddest}->{source}};
1815 push @{$unified_info{includes}->{$ddest}->{build}}, $ib
1816 unless grep { $_ eq $ib } @{$unified_info{includes}->{$ddest}->{build}};
1817 }
1818 }
1819 }
1820
1821 ### Make unified_info a bit more efficient
1822 # One level structures
1823 foreach (("programs", "libraries", "engines", "scripts", "extra", "overrides")) {
1824 $unified_info{$_} = [ sort keys %{$unified_info{$_}} ];
1825 }
1826 # Two level structures
1827 foreach my $l1 (("install", "sources", "shared_sources", "ldadd", "depends")) {
1828 foreach my $l2 (sort keys %{$unified_info{$l1}}) {
1829 $unified_info{$l1}->{$l2} =
1830 [ sort keys %{$unified_info{$l1}->{$l2}} ];
1831 }
1832 }
1833 # Includes
1834 foreach my $dest (sort keys %{$unified_info{includes}}) {
1835 if (defined($unified_info{includes}->{$dest}->{build})) {
1836 my @source_includes =
1837 ( @{$unified_info{includes}->{$dest}->{source}} );
1838 $unified_info{includes}->{$dest} =
1839 [ @{$unified_info{includes}->{$dest}->{build}} ];
1840 foreach my $inc (@source_includes) {
1841 push @{$unified_info{includes}->{$dest}}, $inc
1842 unless grep { $_ eq $inc } @{$unified_info{includes}->{$dest}};
1843 }
1844 } else {
1845 $unified_info{includes}->{$dest} =
1846 [ @{$unified_info{includes}->{$dest}->{source}} ];
1847 }
1848 }
1849 }
1850
1851 # For the schemes that need it, we provide the old *_obj configs
1852 # from the *_asm_obj ones
1853 foreach (grep /_(asm|aux)_src$/, keys %target) {
1854 my $src = $_;
1855 (my $obj = $_) =~ s/_(asm|aux)_src$/_obj/;
1856 ($target{$obj} = $target{$src}) =~ s/\.[csS]\b/.o/g;
1857 }
1858
1859 # Write down our configuration where it fits #########################
1860
1861 open(OUT,">configdata.pm") || die "unable to create configdata.pm: $!\n";
1862 print OUT <<"EOF";
1863 package configdata;
1864
1865 use strict;
1866 use warnings;
1867
1868 use Exporter;
1869 #use vars qw(\@ISA \@EXPORT);
1870 our \@ISA = qw(Exporter);
1871 our \@EXPORT = qw(\%config \%target \%disabled \%withargs \%unified_info \@disablables);
1872
1873 EOF
1874 print OUT "our %config = (\n";
1875 foreach (sort keys %config) {
1876 if (ref($config{$_}) eq "ARRAY") {
1877 print OUT " ", $_, " => [ ", join(", ",
1878 map { quotify("perl", $_) }
1879 @{$config{$_}}), " ],\n";
1880 } else {
1881 print OUT " ", $_, " => ", quotify("perl", $config{$_}), ",\n"
1882 }
1883 }
1884 print OUT <<"EOF";
1885 );
1886
1887 EOF
1888 print OUT "our %target = (\n";
1889 foreach (sort keys %target) {
1890 if (ref($target{$_}) eq "ARRAY") {
1891 print OUT " ", $_, " => [ ", join(", ",
1892 map { quotify("perl", $_) }
1893 @{$target{$_}}), " ],\n";
1894 } else {
1895 print OUT " ", $_, " => ", quotify("perl", $target{$_}), ",\n"
1896 }
1897 }
1898 print OUT <<"EOF";
1899 );
1900
1901 EOF
1902 print OUT "our \%available_protocols = (\n";
1903 print OUT " tls => [ ", join(", ", map { quotify("perl", $_) } @tls), " ],\n";
1904 print OUT " dtls => [ ", join(", ", map { quotify("perl", $_) } @dtls), " ],\n";
1905 print OUT <<"EOF";
1906 );
1907
1908 EOF
1909 print OUT "our \@disablables = (\n";
1910 foreach (@disablables) {
1911 print OUT " ", quotify("perl", $_), ",\n";
1912 }
1913 print OUT <<"EOF";
1914 );
1915
1916 EOF
1917 print OUT "our \%disabled = (\n";
1918 foreach (sort keys %disabled) {
1919 print OUT " ", quotify("perl", $_), " => ", quotify("perl", $disabled{$_}), ",\n";
1920 }
1921 print OUT <<"EOF";
1922 );
1923
1924 EOF
1925 print OUT "our %withargs = (\n";
1926 foreach (sort keys %withargs) {
1927 if (ref($withargs{$_}) eq "ARRAY") {
1928 print OUT " ", $_, " => [ ", join(", ",
1929 map { quotify("perl", $_) }
1930 @{$withargs{$_}}), " ],\n";
1931 } else {
1932 print OUT " ", $_, " => ", quotify("perl", $withargs{$_}), ",\n"
1933 }
1934 }
1935 print OUT <<"EOF";
1936 );
1937
1938 EOF
1939 if ($builder eq "unified") {
1940 my $recurse;
1941 $recurse = sub {
1942 my $indent = shift;
1943 foreach (@_) {
1944 if (ref $_ eq "ARRAY") {
1945 print OUT " "x$indent, "[\n";
1946 foreach (@$_) {
1947 $recurse->($indent + 4, $_);
1948 }
1949 print OUT " "x$indent, "],\n";
1950 } elsif (ref $_ eq "HASH") {
1951 my %h = %$_;
1952 print OUT " "x$indent, "{\n";
1953 foreach (sort keys %h) {
1954 if (ref $h{$_} eq "") {
1955 print OUT " "x($indent + 4), quotify("perl", $_), " => ", quotify("perl", $h{$_}), ",\n";
1956 } else {
1957 print OUT " "x($indent + 4), quotify("perl", $_), " =>\n";
1958 $recurse->($indent + 8, $h{$_});
1959 }
1960 }
1961 print OUT " "x$indent, "},\n";
1962 } else {
1963 print OUT " "x$indent, quotify("perl", $_), ",\n";
1964 }
1965 }
1966 };
1967 print OUT "our %unified_info = (\n";
1968 foreach (sort keys %unified_info) {
1969 if (ref $unified_info{$_} eq "") {
1970 print OUT " "x4, quotify("perl", $_), " => ", quotify("perl", $unified_info{$_}), ",\n";
1971 } else {
1972 print OUT " "x4, quotify("perl", $_), " =>\n";
1973 $recurse->(8, $unified_info{$_});
1974 }
1975 }
1976 print OUT <<"EOF";
1977 );
1978
1979 EOF
1980 }
1981 print OUT "1;\n";
1982 close(OUT);
1983
1984
1985 print "CC =$config{cross_compile_prefix}$target{cc}\n";
1986 print "CFLAG =$target{cflags} $config{cflags}\n";
1987 print "SHARED_CFLAG =$target{shared_cflag}\n";
1988 print "DEFINES =",join(" ", @{$target{defines}}, @{$config{defines}}),"\n";
1989 print "LFLAG =$target{lflags}\n";
1990 print "PLIB_LFLAG =$target{plib_lflags}\n";
1991 print "EX_LIBS =$target{ex_libs} $config{ex_libs}\n";
1992 print "APPS_OBJ =$target{apps_obj}\n";
1993 print "CPUID_OBJ =$target{cpuid_obj}\n";
1994 print "UPLINK_OBJ =$target{uplink_obj}\n";
1995 print "BN_ASM =$target{bn_obj}\n";
1996 print "EC_ASM =$target{ec_obj}\n";
1997 print "DES_ENC =$target{des_obj}\n";
1998 print "AES_ENC =$target{aes_obj}\n";
1999 print "BF_ENC =$target{bf_obj}\n";
2000 print "CAST_ENC =$target{cast_obj}\n";
2001 print "RC4_ENC =$target{rc4_obj}\n";
2002 print "RC5_ENC =$target{rc5_obj}\n";
2003 print "MD5_OBJ_ASM =$target{md5_obj}\n";
2004 print "SHA1_OBJ_ASM =$target{sha1_obj}\n";
2005 print "RMD160_OBJ_ASM=$target{rmd160_obj}\n";
2006 print "CMLL_ENC =$target{cmll_obj}\n";
2007 print "MODES_OBJ =$target{modes_obj}\n";
2008 print "PADLOCK_OBJ =$target{padlock_obj}\n";
2009 print "CHACHA_ENC =$target{chacha_obj}\n";
2010 print "POLY1305_OBJ =$target{poly1305_obj}\n";
2011 print "BLAKE2_OBJ =$target{blake2_obj}\n";
2012 print "PROCESSOR =$config{processor}\n";
2013 print "RANLIB =", $target{ranlib} eq '$(CROSS_COMPILE)ranlib' ?
2014 "$config{cross_compile_prefix}ranlib" :
2015 "$target{ranlib}", "\n";
2016 print "ARFLAGS =$target{arflags}\n";
2017 print "PERL =$config{perl}\n";
2018 print "\n";
2019 print "SIXTY_FOUR_BIT_LONG mode\n" if $config{b64l};
2020 print "SIXTY_FOUR_BIT mode\n" if $config{b64};
2021 print "THIRTY_TWO_BIT mode\n" if $config{b32};
2022 print "BN_LLONG mode\n" if $config{bn_ll};
2023 print "RC4 uses $config{rc4_int}\n" if $config{rc4_int} ne $def_int;
2024
2025 my %builders = (
2026 unified => sub {
2027 run_dofile(catfile($blddir, $target{build_file}),
2028 $config{build_file_template},
2029 catfile($srcdir, "Configurations", "common.tmpl"));
2030 },
2031 );
2032
2033 $builders{$builder}->($builder_platform, @builder_opts);
2034
2035 print <<"EOF";
2036
2037 Configured for $target.
2038 EOF
2039
2040 print <<"EOF" if ($disabled{threads} eq "unavailable");
2041
2042 The library could not be configured for supporting multi-threaded
2043 applications as the compiler options required on this system are not known.
2044 See file INSTALL for details if you need multi-threading.
2045 EOF
2046
2047 print <<"EOF" if ($no_shared_warn);
2048
2049 The options 'shared', 'pic' and 'dynamic-engine' aren't supported on this
2050 platform, so we will pretend you gave the option 'no-pic', which also disables
2051 'shared' and 'dynamic-engine'. If you know how to implement shared libraries
2052 or position independent code, please let us know (but please first make sure
2053 you have tried with a current version of OpenSSL).
2054 EOF
2055
2056 print <<"EOF" if (-f catfile($srcdir, "configdata.pm") && $srcdir ne $blddir);
2057
2058 WARNING: there are indications that another build was made in the source
2059 directory. This build may have picked up artifacts from that build, the
2060 safest course of action is to clean the source directory and redo this
2061 configuration.
2062 EOF
2063
2064 exit(0);
2065
2066 ######################################################################
2067 #
2068 # Helpers and utility functions
2069 #
2070
2071 # Configuration file reading #########################################
2072
2073 # Note: All of the helper functions are for lazy evaluation. They all
2074 # return a CODE ref, which will return the intended value when evaluated.
2075 # Thus, whenever there's mention of a returned value, it's about that
2076 # intended value.
2077
2078 # Helper function to implement conditional inheritance depending on the
2079 # value of $disabled{asm}. Used in inherit_from values as follows:
2080 #
2081 # inherit_from => [ "template", asm("asm_tmpl") ]
2082 #
2083 sub asm {
2084 my @x = @_;
2085 sub {
2086 $disabled{asm} ? () : @x;
2087 }
2088 }
2089
2090 # Helper function to implement conditional value variants, with a default
2091 # plus additional values based on the value of $config{build_type}.
2092 # Arguments are given in hash table form:
2093 #
2094 # picker(default => "Basic string: ",
2095 # debug => "debug",
2096 # release => "release")
2097 #
2098 # When configuring with --debug, the resulting string will be
2099 # "Basic string: debug", and when not, it will be "Basic string: release"
2100 #
2101 # This can be used to create variants of sets of flags according to the
2102 # build type:
2103 #
2104 # cflags => picker(default => "-Wall",
2105 # debug => "-g -O0",
2106 # release => "-O3")
2107 #
2108 sub picker {
2109 my %opts = @_;
2110 return sub { add($opts{default} || (),
2111 $opts{$config{build_type}} || ())->(); }
2112 }
2113
2114 # Helper function to combine several values of different types into one.
2115 # This is useful if you want to combine a string with the result of a
2116 # lazy function, such as:
2117 #
2118 # cflags => combine("-Wall", sub { $disabled{zlib} ? () : "-DZLIB" })
2119 #
2120 sub combine {
2121 my @stuff = @_;
2122 return sub { add(@stuff)->(); }
2123 }
2124
2125 # Helper function to implement conditional values depending on the value
2126 # of $disabled{threads}. Can be used as follows:
2127 #
2128 # cflags => combine("-Wall", threads("-pthread"))
2129 #
2130 sub threads {
2131 my @flags = @_;
2132 return sub { add($disabled{threads} ? () : @flags)->(); }
2133 }
2134
2135
2136
2137 our $add_called = 0;
2138 # Helper function to implement adding values to already existing configuration
2139 # values. It handles elements that are ARRAYs, CODEs and scalars
2140 sub _add {
2141 my $separator = shift;
2142
2143 # If there's any ARRAY in the collection of values OR the separator
2144 # is undef, we will return an ARRAY of combined values, otherwise a
2145 # string of joined values with $separator as the separator.
2146 my $found_array = !defined($separator);
2147
2148 my @values =
2149 map {
2150 my $res = $_;
2151 while (ref($res) eq "CODE") {
2152 $res = $res->();
2153 }
2154 if (defined($res)) {
2155 if (ref($res) eq "ARRAY") {
2156 $found_array = 1;
2157 @$res;
2158 } else {
2159 $res;
2160 }
2161 } else {
2162 ();
2163 }
2164 } (@_);
2165
2166 $add_called = 1;
2167
2168 if ($found_array) {
2169 [ @values ];
2170 } else {
2171 join($separator, grep { defined($_) && $_ ne "" } @values);
2172 }
2173 }
2174 sub add_before {
2175 my $separator = " ";
2176 if (ref($_[$#_]) eq "HASH") {
2177 my $opts = pop;
2178 $separator = $opts->{separator};
2179 }
2180 my @x = @_;
2181 sub { _add($separator, @x, @_) };
2182 }
2183 sub add {
2184 my $separator = " ";
2185 if (ref($_[$#_]) eq "HASH") {
2186 my $opts = pop;
2187 $separator = $opts->{separator};
2188 }
2189 my @x = @_;
2190 sub { _add($separator, @_, @x) };
2191 }
2192
2193 # configuration reader, evaluates the input file as a perl script and expects
2194 # it to fill %targets with target configurations. Those are then added to
2195 # %table.
2196 sub read_config {
2197 my $fname = shift;
2198 open(CONFFILE, "< $fname")
2199 or die "Can't open configuration file '$fname'!\n";
2200 my $x = $/;
2201 undef $/;
2202 my $content = <CONFFILE>;
2203 $/ = $x;
2204 close(CONFFILE);
2205 my %targets = ();
2206 {
2207 local %table = %::table; # Protect %table from tampering
2208
2209 eval $content;
2210 warn $@ if $@;
2211 }
2212
2213 # For each target, check that it's configured with a hash table.
2214 foreach (keys %targets) {
2215 if (ref($targets{$_}) ne "HASH") {
2216 if (ref($targets{$_}) eq "") {
2217 warn "Deprecated target configuration for $_, ignoring...\n";
2218 } else {
2219 warn "Misconfigured target configuration for $_ (should be a hash table), ignoring...\n";
2220 }
2221 delete $targets{$_};
2222 }
2223 }
2224
2225 %table = (%table, %targets);
2226
2227 }
2228
2229 # configuration resolver. Will only resolve all the lazy evaluation
2230 # codeblocks for the chosen target and all those it inherits from,
2231 # recursively
2232 sub resolve_config {
2233 my $target = shift;
2234 my @breadcrumbs = @_;
2235
2236 # my $extra_checks = defined($ENV{CONFIGURE_EXTRA_CHECKS});
2237
2238 if (grep { $_ eq $target } @breadcrumbs) {
2239 die "inherit_from loop! target backtrace:\n "
2240 ,$target,"\n ",join("\n ", @breadcrumbs),"\n";
2241 }
2242
2243 if (!defined($table{$target})) {
2244 warn "Warning! target $target doesn't exist!\n";
2245 return ();
2246 }
2247 # Recurse through all inheritances. They will be resolved on the
2248 # fly, so when this operation is done, they will all just be a
2249 # bunch of attributes with string values.
2250 # What we get here, though, are keys with references to lists of
2251 # the combined values of them all. We will deal with lists after
2252 # this stage is done.
2253 my %combined_inheritance = ();
2254 if ($table{$target}->{inherit_from}) {
2255 my @inherit_from =
2256 map { ref($_) eq "CODE" ? $_->() : $_ } @{$table{$target}->{inherit_from}};
2257 foreach (@inherit_from) {
2258 my %inherited_config = resolve_config($_, $target, @breadcrumbs);
2259
2260 # 'template' is a marker that's considered private to
2261 # the config that had it.
2262 delete $inherited_config{template};
2263
2264 foreach (keys %inherited_config) {
2265 if (!$combined_inheritance{$_}) {
2266 $combined_inheritance{$_} = [];
2267 }
2268 push @{$combined_inheritance{$_}}, $inherited_config{$_};
2269 }
2270 }
2271 }
2272
2273 # We won't need inherit_from in this target any more, since we've
2274 # resolved all the inheritances that lead to this
2275 delete $table{$target}->{inherit_from};
2276
2277 # Now is the time to deal with those lists. Here's the place to
2278 # decide what shall be done with those lists, all based on the
2279 # values of the target we're currently dealing with.
2280 # - If a value is a coderef, it will be executed with the list of
2281 # inherited values as arguments.
2282 # - If the corresponding key doesn't have a value at all or is the
2283 # empty string, the inherited value list will be run through the
2284 # default combiner (below), and the result becomes this target's
2285 # value.
2286 # - Otherwise, this target's value is assumed to be a string that
2287 # will simply override the inherited list of values.
2288 my $default_combiner = add();
2289
2290 my %all_keys =
2291 map { $_ => 1 } (keys %combined_inheritance,
2292 keys %{$table{$target}});
2293
2294 sub process_values {
2295 my $object = shift;
2296 my $inherited = shift; # Always a [ list ]
2297 my $target = shift;
2298 my $entry = shift;
2299
2300 $add_called = 0;
2301
2302 while(ref($object) eq "CODE") {
2303 $object = $object->(@$inherited);
2304 }
2305 if (!defined($object)) {
2306 return ();
2307 }
2308 elsif (ref($object) eq "ARRAY") {
2309 local $add_called; # To make sure recursive calls don't affect it
2310 return [ map { process_values($_, $inherited, $target, $entry) }
2311 @$object ];
2312 } elsif (ref($object) eq "") {
2313 return $object;
2314 } else {
2315 die "cannot handle reference type ",ref($object)
2316 ," found in target ",$target," -> ",$entry,"\n";
2317 }
2318 }
2319
2320 foreach (sort keys %all_keys) {
2321 my $previous = $combined_inheritance{$_};
2322
2323 # Current target doesn't have a value for the current key?
2324 # Assign it the default combiner, the rest of this loop body
2325 # will handle it just like any other coderef.
2326 if (!exists $table{$target}->{$_}) {
2327 $table{$target}->{$_} = $default_combiner;
2328 }
2329
2330 $table{$target}->{$_} = process_values($table{$target}->{$_},
2331 $combined_inheritance{$_},
2332 $target, $_);
2333 unless(defined($table{$target}->{$_})) {
2334 delete $table{$target}->{$_};
2335 }
2336 # if ($extra_checks &&
2337 # $previous && !($add_called || $previous ~~ $table{$target}->{$_})) {
2338 # warn "$_ got replaced in $target\n";
2339 # }
2340 }
2341
2342 # Finally done, return the result.
2343 return %{$table{$target}};
2344 }
2345
2346 sub usage
2347 {
2348 print STDERR $usage;
2349 print STDERR "\npick os/compiler from:\n";
2350 my $j=0;
2351 my $i;
2352 my $k=0;
2353 foreach $i (sort keys %table)
2354 {
2355 next if $table{$i}->{template};
2356 next if $i =~ /^debug/;
2357 $k += length($i) + 1;
2358 if ($k > 78)
2359 {
2360 print STDERR "\n";
2361 $k=length($i);
2362 }
2363 print STDERR $i . " ";
2364 }
2365 foreach $i (sort keys %table)
2366 {
2367 next if $table{$i}->{template};
2368 next if $i !~ /^debug/;
2369 $k += length($i) + 1;
2370 if ($k > 78)
2371 {
2372 print STDERR "\n";
2373 $k=length($i);
2374 }
2375 print STDERR $i . " ";
2376 }
2377 print STDERR "\n\nNOTE: If in doubt, on Unix-ish systems use './config'.\n";
2378 exit(1);
2379 }
2380
2381 sub run_dofile
2382 {
2383 my $out = shift;
2384 my @templates = @_;
2385
2386 unlink $out || warn "Can't remove $out, $!"
2387 if -f $out;
2388 foreach (@templates) {
2389 die "Can't open $_, $!" unless -f $_;
2390 }
2391 my $cmd = "$config{perl} \"-I.\" \"-Mconfigdata\" \"$dofile\" -o\"Configure\" \"".join("\" \"",@templates)."\" > \"$out.new\"";
2392 #print STDERR "DEBUG[run_dofile]: \$cmd = $cmd\n";
2393 system($cmd);
2394 exit 1 if $? != 0;
2395 rename("$out.new", $out) || die "Can't rename $out.new, $!";
2396 }
2397
2398 sub which
2399 {
2400 my ($name)=@_;
2401
2402 if (eval { require IPC::Cmd; 1; }) {
2403 IPC::Cmd->import();
2404 return scalar IPC::Cmd::can_run($name);
2405 } else {
2406 # if there is $directories component in splitpath,
2407 # then it's not something to test with $PATH...
2408 return $name if (File::Spec->splitpath($name))[1];
2409
2410 foreach (File::Spec->path()) {
2411 my $fullpath = catfile($_, "$name$target{exe_extension}");
2412 if (-f $fullpath and -x $fullpath) {
2413 return $fullpath;
2414 }
2415 }
2416 }
2417 }
2418
2419 # Configuration printer ##############################################
2420
2421 sub print_table_entry
2422 {
2423 my $target = shift;
2424 my %target = resolve_config($target);
2425 my $type = shift;
2426
2427 # Don't print the templates
2428 return if $target{template};
2429
2430 my @sequence = (
2431 "sys_id",
2432 "cc",
2433 "cflags",
2434 "defines",
2435 "unistd",
2436 "ld",
2437 "lflags",
2438 "plib_lflags",
2439 "ex_libs",
2440 "bn_ops",
2441 "cpuid_obj",
2442 "bn_obj",
2443 "ec_obj",
2444 "des_obj",
2445 "aes_obj",
2446 "bf_obj",
2447 "md5_obj",
2448 "sha1_obj",
2449 "cast_obj",
2450 "rc4_obj",
2451 "rmd160_obj",
2452 "rc5_obj",
2453 "wp_obj",
2454 "cmll_obj",
2455 "modes_obj",
2456 "padlock_obj",
2457 "thread_scheme",
2458 "perlasm_scheme",
2459 "dso_scheme",
2460 "shared_target",
2461 "shared_cflag",
2462 "shared_ldflag",
2463 "shared_rcflag",
2464 "shared_extension",
2465 "shared_extension_simple",
2466 "shared_import_extension",
2467 "dso_extension",
2468 "obj_extension",
2469 "exe_extension",
2470 "ranlib",
2471 "ar",
2472 "arflags",
2473 "multilib",
2474 "build_scheme",
2475 );
2476
2477 if ($type eq "TABLE") {
2478 print "\n";
2479 print "*** $target\n";
2480 foreach (@sequence) {
2481 if (ref($target{$_}) eq "ARRAY") {
2482 printf "\$%-12s = %s\n", $_, join(" ", @{$target{$_}});
2483 } else {
2484 printf "\$%-12s = %s\n", $_, $target{$_};
2485 }
2486 }
2487 } elsif ($type eq "HASH") {
2488 my $largest =
2489 length((sort { length($a) <=> length($b) } @sequence)[-1]);
2490 print " '$target' => {\n";
2491 foreach (@sequence) {
2492 if ($target{$_}) {
2493 if (ref($target{$_}) eq "ARRAY") {
2494 print " '",$_,"'"," " x ($largest - length($_))," => [ ",join(", ", map { "'$_'" } @{$target{$_}})," ],\n";
2495 } else {
2496 print " '",$_,"'"," " x ($largest - length($_))," => '",$target{$_},"',\n";
2497 }
2498 }
2499 }
2500 print " },\n";
2501 }
2502 }
2503
2504 # Utility routines ###################################################
2505
2506 # On VMS, if the given file is a logical name, File::Spec::Functions
2507 # will consider it an absolute path. There are cases when we want a
2508 # purely syntactic check without checking the environment.
2509 sub isabsolute {
2510 my $file = shift;
2511
2512 # On non-platforms, we just use file_name_is_absolute().
2513 return file_name_is_absolute($file) unless $^O eq "VMS";
2514
2515 # If the file spec includes a device or a directpry spec,
2516 # file_name_is_absolute() is perfectly safe.
2517 return file_name_is_absolute($file) if $file =~ m|[:\[]|;
2518
2519 # Here, we know the given file spec isn't absolute
2520 return 0;
2521 }
2522
2523 # Makes a directory absolute and cleans out /../ in paths like foo/../bar
2524 # On some platforms, this uses rel2abs(), while on others, realpath() is used.
2525 # realpath() requires that at least all path components except the last is an
2526 # existing directory. On VMS, the last component of the directory spec must
2527 # exist.
2528 sub absolutedir {
2529 my $dir = shift;
2530
2531 # realpath() is quite buggy on VMS. It uses LIB$FID_TO_NAME, which
2532 # will return the volume name for the device, no matter what. Also,
2533 # it will return an incorrect directory spec if the argument is a
2534 # directory that doesn't exist.
2535 if ($^O eq "VMS") {
2536 return rel2abs($dir);
2537 }
2538
2539 # We use realpath() on Unix, since no other will properly clean out
2540 # a directory spec.
2541 use Cwd qw/realpath/;
2542
2543 return realpath($dir);
2544 }
2545
2546 sub quotify {
2547 my %processors = (
2548 perl => sub { my $x = shift;
2549 $x =~ s/([\\\$\@"])/\\$1/g;
2550 return '"'.$x.'"'; },
2551 );
2552 my $for = shift;
2553 my $processor =
2554 defined($processors{$for}) ? $processors{$for} : sub { shift; };
2555
2556 return map { $processor->($_); } @_;
2557 }
2558
2559 # collect_from_file($filename, $line_concat_cond_re, $line_concat)
2560 # $filename is a file name to read from
2561 # $line_concat_cond_re is a regexp detecting a line continuation ending
2562 # $line_concat is a CODEref that takes care of concatenating two lines
2563 sub collect_from_file {
2564 my $filename = shift;
2565 my $line_concat_cond_re = shift;
2566 my $line_concat = shift;
2567
2568 open my $fh, $filename || die "unable to read $filename: $!\n";
2569 return sub {
2570 my $saved_line = "";
2571 $_ = "";
2572 while (<$fh>) {
2573 s|\R$||;
2574 if (defined $line_concat) {
2575 $_ = $line_concat->($saved_line, $_);
2576 $saved_line = "";
2577 }
2578 if (defined $line_concat_cond_re && /$line_concat_cond_re/) {
2579 $saved_line = $_;
2580 next;
2581 }
2582 return $_;
2583 }
2584 die "$filename ending with continuation line\n" if $_;
2585 close $fh;
2586 return undef;
2587 }
2588 }
2589
2590 # collect_from_array($array, $line_concat_cond_re, $line_concat)
2591 # $array is an ARRAYref of lines
2592 # $line_concat_cond_re is a regexp detecting a line continuation ending
2593 # $line_concat is a CODEref that takes care of concatenating two lines
2594 sub collect_from_array {
2595 my $array = shift;
2596 my $line_concat_cond_re = shift;
2597 my $line_concat = shift;
2598 my @array = (@$array);
2599
2600 return sub {
2601 my $saved_line = "";
2602 $_ = "";
2603 while (defined($_ = shift @array)) {
2604 s|\R$||;
2605 if (defined $line_concat) {
2606 $_ = $line_concat->($saved_line, $_);
2607 $saved_line = "";
2608 }
2609 if (defined $line_concat_cond_re && /$line_concat_cond_re/) {
2610 $saved_line = $_;
2611 next;
2612 }
2613 return $_;
2614 }
2615 die "input text ending with continuation line\n" if $_;
2616 return undef;
2617 }
2618 }
2619
2620 # collect_information($lineiterator, $line_continue, $regexp => $CODEref, ...)
2621 # $lineiterator is a CODEref that delivers one line at a time.
2622 # All following arguments are regex/CODEref pairs, where the regexp detects a
2623 # line and the CODEref does something with the result of the regexp.
2624 sub collect_information {
2625 my $lineiterator = shift;
2626 my %collectors = @_;
2627
2628 while(defined($_ = $lineiterator->())) {
2629 s|\R$||;
2630 my $found = 0;
2631 if ($collectors{"BEFORE"}) {
2632 $collectors{"BEFORE"}->($_);
2633 }
2634 foreach my $re (keys %collectors) {
2635 if ($re !~ /^OTHERWISE|BEFORE|AFTER$/ && /$re/) {
2636 $collectors{$re}->($lineiterator);
2637 $found = 1;
2638 };
2639 }
2640 if ($collectors{"OTHERWISE"}) {
2641 $collectors{"OTHERWISE"}->($lineiterator, $_)
2642 unless $found || !defined $collectors{"OTHERWISE"};
2643 }
2644 if ($collectors{"AFTER"}) {
2645 $collectors{"AFTER"}->($_);
2646 }
2647 }
2648 }
2649
2650 # tokenize($line)
2651 # $line is a line of text to split up into tokens
2652 # returns a list of tokens
2653 #
2654 # Tokens are divided by spaces. If the tokens include spaces, they
2655 # have to be quoted with single or double quotes. Double quotes
2656 # inside a double quoted token must be escaped. Escaping is done
2657 # with backslash.
2658 # Basically, the same quoting rules apply for " and ' as in any
2659 # Unix shell.
2660 sub tokenize {
2661 my $line = my $debug_line = shift;
2662 my @result = ();
2663
2664 while ($line =~ s|^\s+||, $line ne "") {
2665 my $token = "";
2666 while ($line ne "" && $line !~ m|^\s|) {
2667 if ($line =~ m/^"((?:[^"\\]+|\\.)*)"/) {
2668 $token .= $1;
2669 $line = $';
2670 } elsif ($line =~ m/^'([^']*)'/) {
2671 $token .= $1;
2672 $line = $';
2673 } elsif ($line =~ m/^(\S+)/) {
2674 $token .= $1;
2675 $line = $';
2676 }
2677 }
2678 push @result, $token;
2679 }
2680
2681 if ($ENV{CONFIGURE_DEBUG_TOKENIZE}) {
2682 print STDERR "DEBUG[tokenize]: Parsed '$debug_line' into:\n";
2683 print STDERR "DEBUG[tokenize]: ('", join("', '", @result), "')\n";
2684 }
2685 return @result;
2686 }