3 # Copyright 2016 The OpenSSL Project Authors. All Rights Reserved.
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
10 ## Configure -- OpenSSL source tree configuration script
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/;
19 # see INSTALL for instructions.
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";
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)
38 # --cross-compile-prefix Add specified prefix to binutils components.
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.
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
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
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
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
84 # Minimum warning options... any contributions to OpenSSL should at least get
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"
103 . " -Wmissing-prototypes"
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:
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"
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"
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";
135 my $strict_warnings = 0;
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";
147 # API compatibility name to version number mapping.
149 my $maxapi = "1.1.0"; # API for "no-deprecated" builds
151 "1.1.0" => "0x10100000L",
152 "1.0.0" => "0x10000000L",
153 "0.9.8" => "0x00908000L",
160 # Forward declarations ###############################################
162 # read_config(filename)
164 # Reads a configuration file and populates %table with the contents
165 # (which the configuration file places in %targets).
168 # resolve_config(target)
170 # Resolves all the late evaluations, inheritances and so on for the
171 # chosen target and any target it inherits from.
175 # Information collection #############################################
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"));
182 my $local_config_envname = 'OPENSSL_LOCAL_CONFIG_DIR';
184 $config{sourcedir} = abs2rel($srcdir);
185 $config{builddir} = abs2rel($blddir);
187 # Collect reconfiguration information if needed
190 if (grep /^reconf(igure)?$/, @argvcopy) {
191 if (-f "./configdata.pm") {
192 my $file = "./configdata.pm";
193 unless (my $return = do $file) {
194 die "couldn't parse $file: $@" if $@;
195 die "couldn't do $file: $!" unless defined $return;
196 die "couldn't run $file" unless $return;
199 @argvcopy = defined($configdata::config{perlargv}) ?
200 @{$configdata::config{perlargv}} : ();
201 die "Incorrect data to reconfigure, please do a normal configuration\n"
202 if (grep(/^reconf/,@argvcopy));
203 $ENV{CROSS_COMPILE} = $configdata::config{cross_compile_prefix}
204 if defined($configdata::config{cross_compile_prefix});
205 $ENV{CC} = $configdata::config{cc}
206 if defined($configdata::config{cc});
207 $ENV{BUILDFILE} = $configdata::config{build_file}
208 if defined($configdata::config{build_file});
209 $ENV{$local_config_envname} = $configdata::config{local_config_dir}
210 if defined($configdata::config{local_config_dir});
212 print "Reconfiguring with: ", join(" ",@argvcopy), "\n";
213 print " CROSS_COMPILE = ",$ENV{CROSS_COMPILE},"\n"
214 if $ENV{CROSS_COMPILE};
215 print " CC = ",$ENV{CC},"\n" if $ENV{CC};
216 print " BUILDFILE = ",$ENV{BUILDFILE},"\n" if $ENV{BUILDFILE};
217 print " $local_config_envname = ",$ENV{$local_config_envname},"\n"
218 if $ENV{$local_config_envname};
220 die "Insufficient data to reconfigure, please do a normal configuration\n";
224 $config{perlargv} = [ @argvcopy ];
226 # Collect version numbers
227 $config{version} = "unknown";
228 $config{version_num} = "unknown";
229 $config{shlib_version_number} = "unknown";
230 $config{shlib_version_history} = "unknown";
233 collect_from_file(catfile($srcdir,'include/openssl/opensslv.h')),
234 qr/OPENSSL.VERSION.TEXT.*OpenSSL (\S+) / => sub { $config{version} = $1; },
235 qr/OPENSSL.VERSION.NUMBER.*(0x\S+)/ => sub { $config{version_num}=$1 },
236 qr/SHLIB_VERSION_NUMBER *"([^"]+)"/ => sub { $config{shlib_version_number}=$1 },
237 qr/SHLIB_VERSION_HISTORY *"([^"]*)"/ => sub { $config{shlib_version_history}=$1 }
239 if ($config{shlib_version_history} ne "") { $config{shlib_version_history} .= ":"; }
241 ($config{major}, $config{minor})
242 = ($config{version} =~ /^([0-9]+)\.([0-9\.]+)/);
243 ($config{shlib_major}, $config{shlib_minor})
244 = ($config{shlib_version_number} =~ /^([0-9]+)\.([0-9\.]+)/);
245 die "erroneous version information in opensslv.h: ",
246 "$config{major}, $config{minor}, $config{shlib_major}, $config{shlib_minor}\n"
247 if ($config{major} eq "" || $config{minor} eq ""
248 || $config{shlib_major} eq "" || $config{shlib_minor} eq "");
250 # Collect target configurations
252 my $pattern = catfile(dirname($0), "Configurations", "*.conf");
253 foreach (sort glob($pattern)) {
257 if (defined $ENV{$local_config_envname}) {
259 # VMS environment variables are logical names,
260 # which can be used as is
261 $pattern = $local_config_envname . ':' . '*.conf';
263 $pattern = catfile($ENV{$local_config_envname}, '*.conf');
266 foreach (sort glob($pattern)) {
272 print "Configuring OpenSSL version $config{version} (0x$config{version_num})\n";
275 $config{openssldir}="";
276 $config{processor}="";
278 $config{cross_compile_prefix}="";
279 $config{fipslibdir}="/usr/local/ssl/fips-2.0/lib/";
280 my $nofipscanistercheck=0;
281 $config{baseaddr}="0xFB00000";
282 my $auto_threads=1; # enable threads automatically? true by default
286 # Top level directories to build
287 $config{dirs} = [ "crypto", "ssl", "engines", "apps", "test", "util", "tools", "fuzz" ];
288 # crypto/ subdirectories to build
291 "md2", "md4", "md5", "sha", "mdc2", "hmac", "ripemd", "whrlpool", "poly1305", "blake2",
292 "des", "aes", "rc2", "rc4", "rc5", "idea", "bf", "cast", "camellia", "seed", "chacha", "modes",
293 "bn", "ec", "rsa", "dsa", "dh", "dso", "engine",
294 "buffer", "bio", "stack", "lhash", "rand", "err",
295 "evp", "asn1", "pem", "x509", "x509v3", "conf", "txt_db", "pkcs7", "pkcs12", "comp", "ocsp", "ui",
296 "cms", "ts", "srp", "cmac", "ct", "async", "kdf"
299 # Known TLS and DTLS protocols
300 my @tls = qw(ssl3 tls1 tls1_1 tls1_2);
301 my @dtls = qw(dtls1 dtls1_2);
303 # Explicitly known options that are possible to disable. They can
304 # be regexps, and will be used like this: /^no-${option}$/
305 # For developers: keep it sorted alphabetically
324 "crypto-mdebug-backtrace",
338 "ec_nistp_64_gcc_128",
391 foreach my $proto ((@tls, @dtls))
393 push(@disablables, $proto);
394 push(@disablables, "$proto-method");
397 my %deprecated_disablables = (
399 "buf-freelists" => undef,
403 # All of the following is disabled by default (RC5 was enabled before 0.9.8):
405 our %disabled = ( # "what" => "comment"
407 "crypto-mdebug" => "default",
408 "crypto-mdebug-backtrace" => "default",
409 "ec_nistp_64_gcc_128" => "default",
411 "fuzz-libfuzzer" => "default",
412 "fuzz-afl" => "default",
413 "heartbeats" => "default",
418 "ssl-trace" => "default",
420 "ssl3-method" => "default",
421 "ubsan" => "default",
422 "unit-test" => "default",
423 "weak-ssl-ciphers" => "default",
425 "zlib-dynamic" => "default",
428 # Note: => pair form used for aesthetics, not to truly make a hash table
429 my @disable_cascades = (
430 # "what" => [ "cascade", ... ]
431 sub { $config{processor} eq "386" }
434 "ssl3-method" => [ "ssl3" ],
435 "zlib" => [ "zlib-dynamic" ],
437 "ec" => [ "ecdsa", "ecdh" ],
439 "dgram" => [ "dtls", "sctp" ],
440 "sock" => [ "dgram" ],
443 # SSL 3.0, (D)TLS 1.0 and TLS 1.1 require MD5 and SHA
444 "md5" => [ "ssl", "tls1", "tls1_1", "dtls1" ],
445 "sha" => [ "ssl", "tls1", "tls1_1", "dtls1" ],
447 # Additionally, SSL 3.0 requires either RSA or DSA+DH
449 && ($disabled{dsa} || $disabled{dh}); }
452 # (D)TLS 1.0 and TLS 1.1 also require either RSA or DSA+DH
453 # or ECDSA + ECDH. (D)TLS 1.2 has this requirement as well.
454 # (XXX: We don't support PSK-only builds).
456 && ($disabled{dsa} || $disabled{dh})
457 && ($disabled{ecdsa} || $disabled{ecdh}); }
458 => [ "tls1", "tls1_1", "tls1_2",
459 "dtls1", "dtls1_2" ],
463 # SRP and HEARTBEATS require TLSEXT
464 "tlsext" => [ "srp", "heartbeats" ],
466 "crypto-mdebug" => [ "crypto-mdebug-backtrace" ],
468 # Without DSO, we can't load dynamic engines, so don't build them dynamic
469 "dso" => [ "dynamic-engine" ],
471 # Without position independent code, there can be no shared libraries or DSOs
472 "pic" => [ "shared" ],
473 "shared" => [ "dynamic-engine" ],
474 "engine" => [ "afalgeng" ],
476 # no-autoalginit is only useful when building non-shared
477 "autoalginit" => [ "shared", "apps" ],
479 "stdio" => [ "apps", "capieng" ],
480 "apps" => [ "tests" ],
481 "comp" => [ "zlib" ],
482 sub { !$disabled{"unit-test"} } => [ "heartbeats" ],
484 sub { !$disabled{"msan"} } => [ "asm" ],
487 # Avoid protocol support holes. Also disable all versions below N, if version
488 # N is disabled while N+1 is enabled.
490 my @list = (reverse @tls);
491 while ((my $first, my $second) = (shift @list, shift @list)) {
493 push @disable_cascades, ( sub { !$disabled{$first} && $disabled{$second} }
495 unshift @list, $second;
497 my @list = (reverse @dtls);
498 while ((my $first, my $second) = (shift @list, shift @list)) {
500 push @disable_cascades, ( sub { !$disabled{$first} && $disabled{$second} }
502 unshift @list, $second;
505 # Explicit "no-..." options will be collected in %disabled along with the defaults.
506 # To remove something from %disabled, use "enable-foo".
507 # For symmetry, "disable-foo" is a synonym for "no-foo".
511 &usage if ($#ARGV < 0);
515 $config{openssl_api_defines}=[];
516 $config{openssl_algorithm_defines}=[];
517 $config{openssl_thread_defines}=[];
518 $config{openssl_sys_defines}=[];
519 $config{openssl_other_defines}=[];
523 $config{build_type} = "release";
525 my %unsupported_options = ();
526 my %deprecated_options = ();
529 # VMS is a case insensitive environment, and depending on settings
530 # out of our control, we may receive options uppercased. Let's
531 # downcase at least the part before any equal sign.
536 s /^-no-/no-/; # some people just can't read the instructions
538 # rewrite some options in "enable-..." form
539 s /^-?-?shared$/enable-shared/;
540 s /^sctp$/enable-sctp/;
541 s /^threads$/enable-threads/;
542 s /^zlib$/enable-zlib/;
543 s /^zlib-dynamic$/enable-zlib-dynamic/;
545 if (/^(no|disable|enable)-(.+)$/)
548 if (!exists $deprecated_disablables{$word}
549 && !grep { $word =~ /^${_}$/ } @disablables)
551 $unsupported_options{$_} = 1;
555 if (/^no-(.+)$/ || /^disable-(.+)$/)
557 foreach my $proto ((@tls, @dtls))
559 if ($1 eq "$proto-method")
561 $disabled{"$proto"} = "option($proto-method)";
567 foreach my $proto (@dtls)
569 $disabled{$proto} = "option(dtls)";
571 $disabled{"dtls"} = "option(dtls)";
575 # Last one of its kind
576 $disabled{"ssl3"} = "option(ssl)";
580 # XXX: Tests will fail if all SSL/TLS
581 # protocols are disabled.
582 foreach my $proto (@tls)
584 $disabled{$proto} = "option(tls)";
587 elsif ($1 eq "static-engine")
589 delete $disabled{"dynamic-engine"};
591 elsif ($1 eq "dynamic-engine")
593 $disabled{"dynamic-engine"} = "option";
595 elsif (exists $deprecated_disablables{$1})
597 $deprecated_options{$_} = 1;
598 if (defined $deprecated_disablables{$1})
600 $disabled{$deprecated_disablables{$1}} = "option";
605 $disabled{$1} = "option";
607 # No longer an automatic choice
608 $auto_threads = 0 if ($1 eq "threads");
610 elsif (/^enable-(.+)$/)
612 if ($1 eq "static-engine")
614 $disabled{"dynamic-engine"} = "option";
616 elsif ($1 eq "dynamic-engine")
618 delete $disabled{"dynamic-engine"};
620 elsif ($1 eq "zlib-dynamic")
622 delete $disabled{"zlib"};
625 delete $disabled{$algo};
627 # No longer an automatic choice
628 $auto_threads = 0 if ($1 eq "threads");
630 elsif (/^--strict-warnings$/)
632 $strict_warnings = 1;
636 $config{build_type} = "debug";
638 elsif (/^--release$/)
640 $config{build_type} = "release";
643 { $config{processor}=386; }
650 # No RSAref support any more since it's not needed.
651 # The check for the option is there so scripts aren't
654 elsif (/^nofipscanistercheck$/)
657 $nofipscanistercheck = 1;
661 if (/^--prefix=(.*)$/)
664 die "Directory given with --prefix MUST be absolute\n"
665 unless file_name_is_absolute($config{prefix});
667 elsif (/^--api=(.*)$/)
671 elsif (/^--libdir=(.*)$/)
675 elsif (/^--openssldir=(.*)$/)
677 $config{openssldir}=$1;
679 elsif (/^--with-zlib-lib=(.*)$/)
681 $withargs{zlib_lib}=$1;
683 elsif (/^--with-zlib-include=(.*)$/)
685 $withargs{zlib_include}=$1;
687 elsif (/^--with-fuzzer-lib=(.*)$/)
689 $withargs{fuzzer_lib}=$1;
691 elsif (/^--with-fuzzer-include=(.*)$/)
693 $withargs{fuzzer_include}=$1;
695 elsif (/^--with-fipslibdir=(.*)$/)
697 $config{fipslibdir}="$1/";
699 elsif (/^--with-baseaddr=(.*)$/)
701 $config{baseaddr}="$1";
703 elsif (/^--cross-compile-prefix=(.*)$/)
705 $config{cross_compile_prefix}=$1;
707 elsif (/^--config=(.*)$/)
711 elsif (/^-[lL](.*)$/ or /^-Wl,/)
718 $disabled{"pic"} = "forced";
719 $disabled{"shared"} = "forced";
720 $disabled{"threads"} = "forced";
724 push @user_defines, $1;
726 else # common if (/^[-+]/), just pass down...
728 $_ =~ s/%([0-9a-f]{1,2})/chr(hex($1))/gei;
729 $user_cflags.=" ".$_;
734 die "target already defined - $target (offending arg: $_)\n" if ($target ne "");
737 unless ($_ eq $target || /^no-/ || /^disable-/)
739 # "no-..." follows later after implied disactivations
740 # have been derived. (Don't take this too seriously,
741 # we really only write OPTIONS to the Makefile out of
744 if ($config{options} eq "")
745 { $config{options} = $_; }
747 { $config{options} .= " ".$_; }
750 if (defined($config{api}) && !exists $apitable->{$config{api}}) {
751 die "***** Unsupported api compatibility level: $config{api}\n",
754 if (keys %deprecated_options)
756 warn "***** Deprecated options: ",
757 join(", ", keys %deprecated_options), "\n";
759 if (keys %unsupported_options)
761 die "***** Unsupported options: ",
762 join(", ", keys %unsupported_options), "\n";
766 if ($libs =~ /(^|\s)-Wl,-rpath,/
767 && !$disabled{shared}
768 && !($disabled{asan} && $disabled{msan} && $disabled{ubsan})) {
769 die "***** Cannot simultaneously use -rpath, shared libraries, and\n",
770 "***** any of asan, msan or ubsan\n";
775 delete $disabled{"shared"} if ($disabled{"shared"} =~ /^default/);
779 @{$config{dirs}} = grep !/^fips$/, @{$config{dirs}};
782 my @tocheckfor = (keys %disabled);
783 while (@tocheckfor) {
784 my %new_tocheckfor = ();
785 my @cascade_copy = (@disable_cascades);
786 while (@cascade_copy) {
787 my ($test, $descendents) = (shift @cascade_copy, shift @cascade_copy);
788 if (ref($test) eq "CODE" ? $test->() : defined($disabled{$test})) {
789 foreach(grep { !defined($disabled{$_}) } @$descendents) {
790 $new_tocheckfor{$_} = 1; $disabled{$_} = "forced";
794 @tocheckfor = (keys %new_tocheckfor);
797 our $die = sub { die @_; };
798 if ($target eq "TABLE") {
799 local $die = sub { warn @_; };
800 foreach (sort keys %table) {
801 print_table_entry($_, "TABLE");
806 if ($target eq "LIST") {
807 foreach (sort keys %table) {
808 print $_,"\n" unless $table{$_}->{template};
813 if ($target eq "HASH") {
814 local $die = sub { warn @_; };
815 print "%table = (\n";
816 foreach (sort keys %table) {
817 print_table_entry($_, "HASH");
822 # Backward compatibility?
823 if ($target =~ m/^CygWin32(-.*)$/) {
824 $target = "Cygwin".$1;
827 foreach (sort (keys %disabled))
829 $config{options} .= " no-$_";
831 printf " no-%-12s %-10s", $_, "[$disabled{$_}]";
843 elsif (/^dynamic-engine$/)
845 elsif (/^makedepend$/)
847 elsif (/^zlib-dynamic$/)
853 @{$config{dirs}} = grep !/^engines$/, @{$config{dirs}};
854 @{$config{sdirs}} = grep !/^engine$/, @{$config{sdirs}};
855 push @{$config{openssl_other_defines}}, "OPENSSL_NO_ENGINE";
856 print " OPENSSL_NO_ENGINE (skip engines)";
862 ($WHAT = $what = $_) =~ tr/[\-a-z]/[_A-Z]/;
864 # Fix up C macro end names
865 $WHAT = "RMD160" if $what eq "ripemd";
867 # fix-up crypto/directory name(s)
868 $what = "ripemd" if $what eq "rmd160";
869 $what = "whrlpool" if $what eq "whirlpool";
871 if (grep { $_ eq $what } @{$config{sdirs}})
873 push @{$config{openssl_algorithm_defines}}, "OPENSSL_NO_$WHAT";
874 @{$config{sdirs}} = grep { $_ ne $what} @{$config{sdirs}};
876 print " OPENSSL_NO_$WHAT (skip dir)";
880 push @{$config{openssl_other_defines}}, "OPENSSL_NO_$WHAT";
881 print " OPENSSL_NO_$WHAT";
883 if (/^err$/) { push @user_defines, "OPENSSL_NO_ERR"; }
890 print "Configuring for $target\n";
892 # Support for legacy targets having a name starting with 'debug-'
893 my ($d, $t) = $target =~ m/^(debug-)?(.*)$/;
895 $config{build_type} = "debug";
897 # If we do not find debug-foo in the table, the target is set to foo.
898 if (!$table{$target}) {
902 $config{target} = $target;
903 my %target = resolve_config($target);
905 &usage if (!%target || $target{template});
907 %target = ( %{$table{DEFAULTS}}, %target );
909 $target{exe_extension}="";
910 $target{exe_extension}=".exe" if ($config{target} eq "DJGPP"
911 || $config{target} =~ /^(?:Cygwin|mingw)/);
912 $target{exe_extension}=".pm" if ($config{target} =~ /vos/);
914 ($target{shared_extension_simple}=$target{shared_extension})
915 =~ s|\.\$\(SHLIB_MAJOR\)\.\$\(SHLIB_MINOR\)||;
916 $target{dso_extension}=$target{shared_extension_simple};
917 ($target{shared_import_extension}=$target{shared_extension_simple}.".a")
918 if ($config{target} =~ /^(?:Cygwin|mingw)/);
921 $config{cross_compile_prefix} = $ENV{'CROSS_COMPILE'}
922 if $config{cross_compile_prefix} eq "";
924 # Allow overriding the names of some tools. USE WITH CARE
925 # Note: only Unix cares about HASHBANGPERL... that explains
926 # the default string.
927 $config{perl} = $ENV{'PERL'} || ($^O ne "VMS" ? $^X : "perl");
928 $config{hashbangperl} =
929 $ENV{'HASHBANGPERL'} || $ENV{'PERL'} || "/usr/bin/env perl";
930 $target{cc} = $ENV{'CC'} || $target{cc} || "cc";
931 $target{ranlib} = $ENV{'RANLIB'} || $target{ranlib} ||
932 (which("$config{cross_compile_prefix}ranlib") ?
933 "\$(CROSS_COMPILE)ranlib" : "true");
934 $target{ar} = $ENV{'AR'} || $target{ar} || "ar";
935 $target{nm} = $ENV{'NM'} || $target{nm} || "nm";
937 $ENV{'RC'} || $ENV{'WINDRES'} || $target{rc} || "windres";
939 # Allow overriding the build file name
940 $target{build_file} = $ENV{BUILDFILE} || $target{build_file} || "Makefile";
942 # Cache information necessary for reconfiguration
943 $config{cc} = $target{cc};
944 $config{build_file} = $target{build_file};
946 # For cflags, lflags, plib_lflags, ex_libs and defines, add the debug_
947 # or release_ attributes.
948 # Do it in such a way that no spurious space is appended (hence the grep).
949 $config{defines} = [];
950 $config{cflags} = "";
951 $config{ex_libs} = "";
952 $config{shared_ldflag} = "";
954 # Make sure build_scheme is consistent.
955 $target{build_scheme} = [ $target{build_scheme} ]
956 if ref($target{build_scheme}) ne "ARRAY";
958 my ($builder, $builder_platform, @builder_opts) =
959 @{$target{build_scheme}};
961 push @{$config{defines}}, "NDEBUG" if $config{build_type} eq "release";
963 if ($target =~ /^mingw/ && `$target{cc} --target-help 2>&1` =~ m/-mno-cygwin/m)
965 $config{cflags} .= " -mno-cygwin";
966 $config{shared_ldflag} .= " -mno-cygwin";
969 if ($target =~ /linux.*-mips/ && !$disabled{asm} && $user_cflags !~ /-m(ips|arch=)/) {
970 # minimally required architecture flags for assembly modules
971 $config{cflags}="-mips2 $config{cflags}" if ($target =~ /mips32/);
972 $config{cflags}="-mips3 $config{cflags}" if ($target =~ /mips64/);
975 my $no_shared_warn=0;
976 my $no_user_cflags=0;
977 my $no_user_defines=0;
979 # The DSO code currently always implements all functions so that no
980 # applications will have to worry about that from a compilation point
981 # of view. However, the "method"s may return zero unless that platform
982 # has support compiled in for them. Currently each method is enabled
983 # by a define "DSO_<name>" ... we translate the "dso_scheme" config
984 # string entry into using the following logic;
985 if (!$disabled{dso} && $target{dso_scheme} ne "")
987 $target{dso_scheme} =~ tr/[a-z]/[A-Z]/;
988 if ($target{dso_scheme} eq "DLFCN")
990 unshift @{$config{defines}}, "DSO_DLFCN", "HAVE_DLFCN_H";
992 elsif ($target{dso_scheme} eq "DLFCN_NO_H")
994 unshift @{$config{defines}}, "DSO_DLFCN";
998 unshift @{$config{defines}}, "DSO_$target{dso_scheme}";
1002 $config{ex_libs}="$libs$config{ex_libs}" if ($libs ne "");
1008 @{$config{defines}} = grep !/^[BL]_ENDIAN$/, @{$config{defines}};
1009 @{$target{defines}} = grep !/^[BL]_ENDIAN$/, @{$target{defines}};
1013 # If threads aren't disabled, check how possible they are
1014 unless ($disabled{threads}) {
1015 if ($auto_threads) {
1016 # Enabled by default, disable it forcibly if unavailable
1017 if ($target{thread_scheme} eq "(unknown)") {
1018 $disabled{threads} = "unavailable";
1021 # The user chose to enable threads explicitly, let's see
1022 # if there's a chance that's possible
1023 if ($target{thread_scheme} eq "(unknown)") {
1024 # If the user asked for "threads" and we don't have internal
1025 # knowledge how to do it, [s]he is expected to provide any
1026 # system-dependent compiler options that are necessary. We
1027 # can't truly check that the given options are correct, but
1028 # we expect the user to know what [s]He is doing.
1029 if ($no_user_cflags && $no_user_defines) {
1030 die "You asked for multi-threading support, but didn't\n"
1031 ,"provide any system-specific compiler options\n";
1037 # If threads still aren't disabled, add a C macro to ensure the source
1038 # code knows about it. Any other flag is taken care of by the configs.
1039 unless($disabled{threads}) {
1040 foreach (("defines", "openssl_thread_defines")) {
1041 push @{$config{$_}}, "OPENSSL_THREADS";
1045 # With "deprecated" disable all deprecated features.
1046 if (defined($disabled{"deprecated"})) {
1047 $config{api} = $maxapi;
1050 if ($target{shared_target} eq "")
1053 if ((!$disabled{shared} || !$disabled{"dynamic-engine"})
1055 $disabled{shared} = "no-shared-target";
1056 $disabled{pic} = $disabled{shared} = $disabled{"dynamic-engine"} =
1060 if ($disabled{"dynamic-engine"}) {
1061 push @{$config{defines}}, "OPENSSL_NO_DYNAMIC_ENGINE";
1062 $config{dynamic_engines} = 0;
1064 push @{$config{defines}}, "OPENSSL_NO_STATIC_ENGINE";
1065 $config{dynamic_engines} = 1;
1068 unless ($disabled{"fuzz-libfuzzer"}) {
1069 $config{cflags} .= "-fsanitize-coverage=edge,indirect-calls ";
1072 unless ($disabled{asan}) {
1073 $config{cflags} .= "-fsanitize=address ";
1076 unless ($disabled{ubsan}) {
1077 # -DPEDANTIC or -fnosanitize=alignment may also be required on some
1079 $config{cflags} .= "-fsanitize=undefined -fno-sanitize-recover=all ";
1082 unless ($disabled{msan}) {
1083 $config{cflags} .= "-fsanitize=memory ";
1086 unless ($disabled{"fuzz-libfuzzer"} && $disabled{"fuzz-afl"}
1087 && $disabled{asan} && $disabled{ubsan} && $disabled{msan}) {
1088 $config{cflags} .= "-fno-omit-frame-pointer -g ";
1094 # This saves the build files from having to check
1097 $target{shared_cflag} = $target{shared_ldflag} =
1098 $target{shared_rcflag} = "";
1102 push @{$config{defines}}, "OPENSSL_PIC";
1105 if ($target{sys_id} ne "")
1107 push @{$config{openssl_sys_defines}}, "OPENSSL_SYS_$target{sys_id}";
1110 unless ($disabled{asm}) {
1111 $target{cpuid_asm_src}=$table{DEFAULTS}->{cpuid_asm_src} if ($config{processor} eq "386");
1112 $target{bn_asm_src} =~ s/\w+-gf2m.c// if (defined($disabled{ec2m}));
1114 # bn-586 is the only one implementing bn_*_part_words
1115 push @{$config{defines}}, "OPENSSL_BN_ASM_PART_WORDS" if ($target{bn_asm_src} =~ /bn-586/);
1116 push @{$config{defines}}, "OPENSSL_IA32_SSE2" if (!$no_sse2 && $target{bn_asm_src} =~ /86/);
1118 push @{$config{defines}}, "OPENSSL_BN_ASM_MONT" if ($target{bn_asm_src} =~ /-mont/);
1119 push @{$config{defines}}, "OPENSSL_BN_ASM_MONT5" if ($target{bn_asm_src} =~ /-mont5/);
1120 push @{$config{defines}}, "OPENSSL_BN_ASM_GF2m" if ($target{bn_asm_src} =~ /-gf2m/);
1122 if ($config{fips}) {
1123 push @{$config{openssl_other_defines}}, "OPENSSL_FIPS";
1126 if ($target{sha1_asm_src}) {
1127 push @{$config{defines}}, "SHA1_ASM" if ($target{sha1_asm_src} =~ /sx86/ || $target{sha1_asm_src} =~ /sha1/);
1128 push @{$config{defines}}, "SHA256_ASM" if ($target{sha1_asm_src} =~ /sha256/);
1129 push @{$config{defines}}, "SHA512_ASM" if ($target{sha1_asm_src} =~ /sha512/);
1131 if ($target{rc4_asm_src} ne $table{DEFAULTS}->{rc4_asm_src}) {
1132 push @{$config{defines}}, "RC4_ASM";
1134 if ($target{md5_asm_src}) {
1135 push @{$config{defines}}, "MD5_ASM";
1137 $target{cast_asm_src}=$table{DEFAULTS}->{cast_asm_src} unless $disabled{pic}; # CAST assembler is not PIC
1138 if ($target{rmd160_asm_src}) {
1139 push @{$config{defines}}, "RMD160_ASM";
1141 if ($target{aes_asm_src}) {
1142 push @{$config{defines}}, "AES_ASM" if ($target{aes_asm_src} =~ m/\baes-/);;
1143 # aes-ctr.fake is not a real file, only indication that assembler
1144 # module implements AES_ctr32_encrypt...
1145 push @{$config{defines}}, "AES_CTR_ASM" if ($target{aes_asm_src} =~ s/\s*aes-ctr\.fake//);
1146 # aes-xts.fake indicates presence of AES_xts_[en|de]crypt...
1147 push @{$config{defines}}, "AES_XTS_ASM" if ($target{aes_asm_src} =~ s/\s*aes-xts\.fake//);
1148 $target{aes_asm_src} =~ s/\s*(vpaes|aesni)-x86\.s//g if ($no_sse2);
1149 push @{$config{defines}}, "VPAES_ASM" if ($target{aes_asm_src} =~ m/vpaes/);
1150 push @{$config{defines}}, "BSAES_ASM" if ($target{aes_asm_src} =~ m/bsaes/);
1152 if ($target{wp_asm_src} =~ /mmx/) {
1153 if ($config{processor} eq "386") {
1154 $target{wp_asm_src}=$table{DEFAULTS}->{wp_asm_src};
1155 } elsif (!$disabled{"whirlpool"}) {
1156 push @{$config{defines}}, "WHIRLPOOL_ASM";
1159 if ($target{modes_asm_src} =~ /ghash-/) {
1160 push @{$config{defines}}, "GHASH_ASM";
1162 if ($target{ec_asm_src} =~ /ecp_nistz256/) {
1163 push @{$config{defines}}, "ECP_NISTZ256_ASM";
1165 if ($target{poly1305_asm_src} ne "") {
1166 push @{$config{defines}}, "POLY1305_ASM";
1170 my $ecc = $target{cc};
1171 if ($^O ne "VMS" && !$disabled{makedepend}) {
1172 # Is the compiler gcc or clang? $ecc is used below to see if
1173 # error-checking can be turned on.
1174 my $ccpcc = "$config{cross_compile_prefix}$target{cc}";
1175 open(PIPE, "$ccpcc --version 2>&1 |");
1178 # Find the version number and save the major.
1179 m|(?:.*)\b(\d+)\.\d+\.\d+\b(?:.*)|;
1180 my $compiler_major = $1;
1181 # We know that GNU C version 3 and up as well as all clang
1182 # versions support dependency generation
1183 $config{makedepprog} = $ccpcc
1184 if (/clang/ || (/gcc/ && $compiler_major >= 3));
1185 $ecc = "clang" if /clang/;
1186 $ecc = "gcc" if /gcc/;
1187 last if ($config{makedepprog} || !$lines--);
1191 $config{makedepprog} = which('makedepend') unless $config{makedepprog};
1192 $disabled{makedepend} = "unavailable" unless $config{makedepprog};
1197 # Deal with bn_ops ###################################################
1200 $config{export_var_as_fn} =0;
1201 my $def_int="unsigned int";
1202 $config{rc4_int} =$def_int;
1203 ($config{b64l},$config{b64},$config{b32})=(0,0,1);
1206 foreach (sort split(/\s+/,$target{bn_ops})) {
1207 $count++ if /SIXTY_FOUR_BIT|SIXTY_FOUR_BIT_LONG|THIRTY_TWO_BIT/;
1208 $config{export_var_as_fn}=1 if $_ eq 'EXPORT_VAR_AS_FN';
1209 $config{bn_ll}=1 if $_ eq 'BN_LLONG';
1210 $config{rc4_int}="unsigned char" if $_ eq 'RC4_CHAR';
1211 ($config{b64l},$config{b64},$config{b32})
1212 =(0,1,0) if $_ eq 'SIXTY_FOUR_BIT';
1213 ($config{b64l},$config{b64},$config{b32})
1214 =(1,0,0) if $_ eq 'SIXTY_FOUR_BIT_LONG';
1215 ($config{b64l},$config{b64},$config{b32})
1216 =(0,0,1) if $_ eq 'THIRTY_TWO_BIT';
1218 die "Exactly one of SIXTY_FOUR_BIT|SIXTY_FOUR_BIT_LONG|THIRTY_TWO_BIT can be set in bn_ops\n"
1222 # Hack cflags for better warnings (dev option) #######################
1224 # "Stringify" the C flags string. This permits it to be made part of a string
1225 # and works as well on command lines.
1226 $config{cflags} =~ s/([\\\"])/\\$1/g;
1228 if (defined($config{api})) {
1229 $config{openssl_api_defines} = [ "OPENSSL_MIN_API=".$apitable->{$config{api}} ];
1230 my $apiflag = sprintf("OPENSSL_API_COMPAT=%s", $apitable->{$config{api}});
1231 push @{$config{defines}}, $apiflag;
1234 if ($strict_warnings)
1237 die "ERROR --strict-warnings requires gcc or clang"
1238 unless $ecc eq 'gcc' || $ecc eq 'clang';
1239 foreach $wopt (split /\s+/, $gcc_devteam_warn)
1241 $config{cflags} .= " $wopt" unless ($config{cflags} =~ /(?:^|\s)$wopt(?:\s|$)/)
1243 if ($ecc eq "clang")
1245 foreach $wopt (split /\s+/, $clang_devteam_warn)
1247 $config{cflags} .= " $wopt" unless ($config{cflags} =~ /(?:^|\s)$wopt(?:\s|$)/)
1252 unless ($disabled{"crypto-mdebug-backtrace"})
1254 foreach my $wopt (split /\s+/, $memleak_devteam_backtrace)
1256 $config{cflags} .= " $wopt" unless ($config{cflags} =~ /(?:^|\s)$wopt(?:\s|$)/)
1258 if ($target =~ /^BSD-/)
1260 $config{ex_libs} .= " -lexecinfo";
1264 if ($user_cflags ne "") { $config{cflags}="$config{cflags}$user_cflags"; }
1265 else { $no_user_cflags=1; }
1266 if (@user_defines) { $config{defines}=[ @{$config{defines}}, @user_defines ]; }
1267 else { $no_user_defines=1; }
1269 # ALL MODIFICATIONS TO %config and %target MUST BE DONE FROM HERE ON
1271 unless ($disabled{afalgeng}) {
1272 $config{afalgeng}="";
1273 if ($target =~ m/^linux/) {
1274 my $minver = 4*10000 + 1*100 + 0;
1275 if ($config{cross_compile_prefix} eq "") {
1276 my $verstr = `uname -r`;
1277 my ($ma, $mi1, $mi2) = split("\\.", $verstr);
1278 ($mi2) = $mi2 =~ /(\d+)/;
1279 my $ver = $ma*10000 + $mi1*100 + $mi2;
1280 if ($ver < $minver) {
1281 $disabled{afalgeng} = "too-old-kernel";
1283 push @{$config{engdirs}}, "afalg";
1286 $disabled{afalgeng} = "cross-compiling";
1289 $disabled{afalgeng} = "not-linux";
1293 push @{$config{openssl_other_defines}}, "OPENSSL_NO_AFALGENG" if ($disabled{afalgeng});
1295 # If we use the unified build, collect information from build.info files
1296 my %unified_info = ();
1298 my $buildinfo_debug = defined($ENV{CONFIGURE_DEBUG_BUILDINFO});
1299 if ($builder eq "unified") {
1300 # Store the name of the template file we will build the build file from
1301 # in %config. This may be useful for the build file itself.
1302 my @build_file_template_names =
1303 ( $builder_platform."-".$target{build_file}.".tmpl",
1304 $target{build_file}.".tmpl" );
1305 my @build_file_templates = ();
1307 # First, look in the user provided directory, if given
1308 if (defined $ENV{$local_config_envname}) {
1309 @build_file_templates =
1312 # VMS environment variables are logical names,
1313 # which can be used as is
1314 $local_config_envname . ':' . $_;
1316 catfile($ENV{$local_config_envname}, $_);
1319 @build_file_template_names;
1321 # Then, look in our standard directory
1322 push @build_file_templates,
1323 ( map { catfile($srcdir, "Configurations", $_) }
1324 @build_file_template_names );
1326 my $build_file_template;
1327 for $_ (@build_file_templates) {
1328 $build_file_template = $_;
1329 last if -f $build_file_template;
1331 $build_file_template = undef;
1333 if (!defined $build_file_template) {
1334 die "*** Couldn't find any of:\n", join("\n", @build_file_templates), "\n";
1336 $config{build_file_template} = $build_file_template;
1338 use lib catdir(dirname(__FILE__),"util");
1339 use with_fallback qw(Text::Template);
1344 my $relativeto = shift || ".";
1346 $dir = catdir($base,$dir) unless isabsolute($dir);
1348 # Make sure the directories we're building in exists
1351 my $res = abs2rel(absolutedir($dir), rel2abs($relativeto));
1352 #print STDERR "DEBUG[cleandir]: $dir , $base => $res\n";
1359 my $relativeto = shift || ".";
1361 $file = catfile($base,$file) unless isabsolute($file);
1363 my $d = dirname($file);
1364 my $f = basename($file);
1366 # Make sure the directories we're building in exists
1369 my $res = abs2rel(catfile(absolutedir($d), $f), rel2abs($relativeto));
1370 #print STDERR "DEBUG[cleanfile]: $d , $f => $res\n";
1374 my @build_infos = ( [ ".", "build.info" ] );
1375 foreach (@{$config{dirs}}) {
1376 push @build_infos, [ $_, "build.info" ]
1377 if (-f catfile($srcdir, $_, "build.info"));
1379 foreach (@{$config{sdirs}}) {
1380 push @build_infos, [ catdir("crypto", $_), "build.info" ]
1381 if (-f catfile($srcdir, "crypto", $_, "build.info"));
1383 foreach (@{$config{engdirs}}) {
1384 push @build_infos, [ catdir("engines", $_), "build.info" ]
1385 if (-f catfile($srcdir, "engines", $_, "build.info"));
1388 $config{build_infos} = [ ];
1390 foreach (@build_infos) {
1391 my $sourced = catdir($srcdir, $_->[0]);
1392 my $buildd = catdir($blddir, $_->[0]);
1397 # The basic things we're trying to build
1399 my @programs_install = ();
1401 my @libraries_install = ();
1403 my @engines_install = ();
1405 my @scripts_install = ();
1408 my @intermediates = ();
1413 my %shared_sources = ();
1417 my %sharednames = ();
1420 push @{$config{build_infos}}, catfile(abs2rel($sourced, $blddir), $f);
1421 my $template = Text::Template->new(TYPE => 'FILE',
1422 SOURCE => catfile($sourced, $f));
1423 die "Something went wrong with $sourced/$f: $!\n" unless $template;
1426 $template->fill_in(HASH => { config => \%config,
1428 disabled => \%disabled,
1429 withargs => \%withargs,
1430 builddir => abs2rel($buildd, $blddir),
1431 sourcedir => abs2rel($sourced, $blddir),
1432 buildtop => abs2rel($blddir, $blddir),
1433 sourcetop => abs2rel($srcdir, $blddir) },
1434 DELIMITERS => [ "{-", "-}" ]);
1436 # The top item of this stack has the following values
1437 # -2 positive already run and we found ELSE (following ELSIF should fail)
1438 # -1 positive already run (skip until ENDIF)
1439 # 0 negatives so far (if we're at a condition, check it)
1440 # 1 last was positive (don't skip lines until next ELSE, ELSIF or ENDIF)
1441 # 2 positive ELSE (following ELSIF should fail)
1443 collect_information(
1444 collect_from_array([ @text ],
1445 qr/\\$/ => sub { my $l1 = shift; my $l2 = shift;
1446 $l1 =~ s/\\$//; $l1.$l2 }),
1447 # Info we're looking for
1448 qr/^\s*IF\[((?:\\.|[^\\\]])*)\]\s*$/
1450 if (! @skip || $skip[$#skip] > 0) {
1456 qr/^\s*ELSIF\[((?:\\.|[^\\\]])*)\]\s*$/
1457 => sub { die "ELSIF out of scope" if ! @skip;
1458 die "ELSIF following ELSE" if abs($skip[$#skip]) == 2;
1459 $skip[$#skip] = -1 if $skip[$#skip] != 0;
1460 $skip[$#skip] = !! $1
1461 if $skip[$#skip] == 0; },
1463 => sub { die "ELSE out of scope" if ! @skip;
1464 $skip[$#skip] = -2 if $skip[$#skip] != 0;
1465 $skip[$#skip] = 2 if $skip[$#skip] == 0; },
1467 => sub { die "ENDIF out of scope" if ! @skip;
1469 qr/^\s*PROGRAMS(_NO_INST)?\s*=\s*(.*)\s*$/
1471 if (!@skip || $skip[$#skip] > 0) {
1473 my @x = tokenize($2);
1475 push @programs_install, @x unless $install;
1478 qr/^\s*LIBS(_NO_INST)?\s*=\s*(.*)\s*$/
1480 if (!@skip || $skip[$#skip] > 0) {
1482 my @x = tokenize($2);
1483 push @libraries, @x;
1484 push @libraries_install, @x unless $install;
1487 qr/^\s*ENGINES(_NO_INST)?\s*=\s*(.*)\s*$/
1489 if (!@skip || $skip[$#skip] > 0) {
1491 my @x = tokenize($2);
1493 push @engines_install, @x unless $install;
1496 qr/^\s*SCRIPTS(_NO_INST)?\s*=\s*(.*)\s*$/
1498 if (!@skip || $skip[$#skip] > 0) {
1500 my @x = tokenize($2);
1502 push @scripts_install, @x unless $install;
1505 qr/^\s*EXTRA\s*=\s*(.*)\s*$/
1506 => sub { push @extra, tokenize($1)
1507 if !@skip || $skip[$#skip] > 0 },
1508 qr/^\s*OVERRIDES\s*=\s*(.*)\s*$/
1509 => sub { push @overrides, tokenize($1)
1510 if !@skip || $skip[$#skip] > 0 },
1512 qr/^\s*ORDINALS\[((?:\\.|[^\\\]])+)\]\s*=\s*(.*)\s*$/,
1513 => sub { push @{$ordinals{$1}}, tokenize($2)
1514 if !@skip || $skip[$#skip] > 0 },
1515 qr/^\s*SOURCE\[((?:\\.|[^\\\]])+)\]\s*=\s*(.*)\s*$/
1516 => sub { push @{$sources{$1}}, tokenize($2)
1517 if !@skip || $skip[$#skip] > 0 },
1518 qr/^\s*SHARED_SOURCE\[((?:\\.|[^\\\]])+)\]\s*=\s*(.*)\s*$/
1519 => sub { push @{$shared_sources{$1}}, tokenize($2)
1520 if !@skip || $skip[$#skip] > 0 },
1521 qr/^\s*INCLUDE\[((?:\\.|[^\\\]])+)\]\s*=\s*(.*)\s*$/
1522 => sub { push @{$includes{$1}}, tokenize($2)
1523 if !@skip || $skip[$#skip] > 0 },
1524 qr/^\s*DEPEND\[((?:\\.|[^\\\]])*)\]\s*=\s*(.*)\s*$/
1525 => sub { push @{$depends{$1}}, tokenize($2)
1526 if !@skip || $skip[$#skip] > 0 },
1527 qr/^\s*GENERATE\[((?:\\.|[^\\\]])+)\]\s*=\s*(.*)\s*$/
1528 => sub { push @{$generate{$1}}, $2
1529 if !@skip || $skip[$#skip] > 0 },
1530 qr/^\s*RENAME\[((?:\\.|[^\\\]])+)\]\s*=\s*(.*)\s*$/
1531 => sub { push @{$renames{$1}}, tokenize($2)
1532 if !@skip || $skip[$#skip] > 0 },
1533 qr/^\s*SHARED_NAME\[((?:\\.|[^\\\]])+)\]\s*=\s*(.*)\s*$/
1534 => sub { push @{$sharednames{$1}}, tokenize($2)
1535 if !@skip || $skip[$#skip] > 0 },
1536 qr/^\s*BEGINRAW\[((?:\\.|[^\\\]])+)\]\s*$/
1538 my $lineiterator = shift;
1539 my $target_kind = $1;
1540 while (defined $lineiterator->()) {
1542 if (/^\s*ENDRAW\[((?:\\.|[^\\\]])+)\]\s*$/) {
1543 die "ENDRAW doesn't match BEGINRAW"
1544 if $1 ne $target_kind;
1547 next if @skip && $skip[$#skip] <= 0;
1549 if ($target_kind eq $target{build_file}
1550 || $target_kind eq $target{build_file}."(".$builder_platform.")");
1553 qr/^(?:#.*|\s*)$/ => sub { },
1554 "OTHERWISE" => sub { die "Something wrong with this line:\n$_\nat $sourced/$f" },
1556 if ($buildinfo_debug) {
1557 print STDERR "DEBUG: Parsing ",join(" ", @_),"\n";
1558 print STDERR "DEBUG: ... before parsing, skip stack is ",join(" ", map { int($_) } @skip),"\n";
1562 if ($buildinfo_debug) {
1563 print STDERR "DEBUG: .... after parsing, skip stack is ",join(" ", map { int($_) } @skip),"\n";
1567 die "runaway IF?" if (@skip);
1569 foreach (keys %renames) {
1570 die "$_ renamed to more than one thing: "
1571 ,join(" ", @{$renames{$_}}),"\n"
1572 if scalar @{$renames{$_}} > 1;
1573 my $dest = cleanfile($buildd, $_, $blddir);
1574 my $to = cleanfile($buildd, $renames{$_}->[0], $blddir);
1575 die "$dest renamed to more than one thing: "
1576 ,$unified_info{rename}->{$dest}, $to
1577 unless !defined($unified_info{rename}->{$dest})
1578 or $unified_info{rename}->{$dest} eq $to;
1579 $unified_info{rename}->{$dest} = $to;
1582 foreach (@programs) {
1583 my $program = cleanfile($buildd, $_, $blddir);
1584 if ($unified_info{rename}->{$program}) {
1585 $program = $unified_info{rename}->{$program};
1587 $unified_info{programs}->{$program} = 1;
1590 foreach (@programs_install) {
1591 my $program = cleanfile($buildd, $_, $blddir);
1592 if ($unified_info{rename}->{$program}) {
1593 $program = $unified_info{rename}->{$program};
1595 $unified_info{install}->{programs}->{$program} = 1;
1598 foreach (@libraries) {
1599 my $library = cleanfile($buildd, $_, $blddir);
1600 if ($unified_info{rename}->{$library}) {
1601 $library = $unified_info{rename}->{$library};
1603 $unified_info{libraries}->{$library} = 1;
1606 foreach (@libraries_install) {
1607 my $library = cleanfile($buildd, $_, $blddir);
1608 if ($unified_info{rename}->{$library}) {
1609 $library = $unified_info{rename}->{$library};
1611 $unified_info{install}->{libraries}->{$library} = 1;
1614 die <<"EOF" if scalar @engines and !$config{dynamic_engines};
1615 ENGINES can only be used if configured with 'dynamic-engine'.
1616 This is usually a fault in a build.info file.
1618 foreach (@engines) {
1619 my $library = cleanfile($buildd, $_, $blddir);
1620 if ($unified_info{rename}->{$library}) {
1621 $library = $unified_info{rename}->{$library};
1623 $unified_info{engines}->{$library} = 1;
1626 foreach (@engines_install) {
1627 my $library = cleanfile($buildd, $_, $blddir);
1628 if ($unified_info{rename}->{$library}) {
1629 $library = $unified_info{rename}->{$library};
1631 $unified_info{install}->{engines}->{$library} = 1;
1634 foreach (@scripts) {
1635 my $script = cleanfile($buildd, $_, $blddir);
1636 if ($unified_info{rename}->{$script}) {
1637 $script = $unified_info{rename}->{$script};
1639 $unified_info{scripts}->{$script} = 1;
1642 foreach (@scripts_install) {
1643 my $script = cleanfile($buildd, $_, $blddir);
1644 if ($unified_info{rename}->{$script}) {
1645 $script = $unified_info{rename}->{$script};
1647 $unified_info{install}->{scripts}->{$script} = 1;
1651 my $extra = cleanfile($buildd, $_, $blddir);
1652 $unified_info{extra}->{$extra} = 1;
1655 foreach (@overrides) {
1656 my $override = cleanfile($buildd, $_, $blddir);
1657 $unified_info{overrides}->{$override} = 1;
1660 push @{$unified_info{rawlines}}, @rawlines;
1662 unless ($disabled{shared}) {
1663 # Check sharednames.
1664 foreach (keys %sharednames) {
1665 my $dest = cleanfile($buildd, $_, $blddir);
1666 if ($unified_info{rename}->{$dest}) {
1667 $dest = $unified_info{rename}->{$dest};
1669 die "shared_name for $dest with multiple values: "
1670 ,join(" ", @{$sharednames{$_}}),"\n"
1671 if scalar @{$sharednames{$_}} > 1;
1672 my $to = cleanfile($buildd, $sharednames{$_}->[0], $blddir);
1673 die "shared_name found for a library $dest that isn't defined\n"
1674 unless $unified_info{libraries}->{$dest};
1675 die "shared_name for $dest with multiple values: "
1676 ,$unified_info{sharednames}->{$dest}, ", ", $to
1677 unless !defined($unified_info{sharednames}->{$dest})
1678 or $unified_info{sharednames}->{$dest} eq $to;
1679 $unified_info{sharednames}->{$dest} = $to;
1682 # Additionally, we set up sharednames for libraries that don't
1683 # have any, as themselves.
1684 foreach (keys %{$unified_info{libraries}}) {
1685 if (!defined $unified_info{sharednames}->{$_}) {
1686 $unified_info{sharednames}->{$_} = $_
1691 foreach (keys %ordinals) {
1693 my $ddest = cleanfile($buildd, $_, $blddir);
1694 if ($unified_info{rename}->{$ddest}) {
1695 $ddest = $unified_info{rename}->{$ddest};
1697 foreach (@{$ordinals{$dest}}) {
1698 my %known_ordinals =
1701 cleanfile($sourced, catfile("util", "libcrypto.num"), $blddir),
1703 cleanfile($sourced, catfile("util", "libssl.num"), $blddir)
1705 my $o = $known_ordinals{$_};
1706 die "Ordinals for $ddest defined more than once\n"
1707 if $unified_info{ordinals}->{$ddest};
1708 $unified_info{ordinals}->{$ddest} = [ $_, $o ];
1712 foreach (keys %sources) {
1714 my $ddest = cleanfile($buildd, $_, $blddir);
1715 if ($unified_info{rename}->{$ddest}) {
1716 $ddest = $unified_info{rename}->{$ddest};
1718 foreach (@{$sources{$dest}}) {
1719 my $s = cleanfile($sourced, $_, $blddir);
1721 # If it isn't in the source tree, we assume it's generated
1724 $s = cleanfile($buildd, $_, $blddir);
1726 # We recognise C and asm files
1727 if ($s =~ /\.[csS]\b$/) {
1728 (my $o = $_) =~ s/\.[csS]\b$/.o/;
1729 $o = cleanfile($buildd, $o, $blddir);
1730 $unified_info{sources}->{$ddest}->{$o} = 1;
1731 $unified_info{sources}->{$o}->{$s} = 1;
1733 $unified_info{sources}->{$ddest}->{$s} = 1;
1738 foreach (keys %shared_sources) {
1740 my $ddest = cleanfile($buildd, $_, $blddir);
1741 if ($unified_info{rename}->{$ddest}) {
1742 $ddest = $unified_info{rename}->{$ddest};
1744 foreach (@{$shared_sources{$dest}}) {
1745 my $s = cleanfile($sourced, $_, $blddir);
1747 # If it isn't in the source tree, we assume it's generated
1750 $s = cleanfile($buildd, $_, $blddir);
1752 # We recognise C and asm files
1753 if ($s =~ /\.[csS]\b$/) {
1754 (my $o = $_) =~ s/\.[csS]\b$/.o/;
1755 $o = cleanfile($buildd, $o, $blddir);
1756 $unified_info{shared_sources}->{$ddest}->{$o} = 1;
1757 $unified_info{sources}->{$o}->{$s} = 1;
1759 die "unrecognised source file type for shared library: $s\n";
1764 foreach (keys %generate) {
1766 my $ddest = cleanfile($buildd, $_, $blddir);
1767 if ($unified_info{rename}->{$ddest}) {
1768 $ddest = $unified_info{rename}->{$ddest};
1770 die "more than one generator for $dest: "
1771 ,join(" ", @{$generate{$_}}),"\n"
1772 if scalar @{$generate{$_}} > 1;
1773 my @generator = split /\s+/, $generate{$dest}->[0];
1774 $generator[0] = cleanfile($sourced, $generator[0], $blddir),
1775 $unified_info{generate}->{$ddest} = [ @generator ];
1778 foreach (keys %depends) {
1780 my $ddest = $dest eq "" ? "" : cleanfile($sourced, $_, $blddir);
1782 # If the destination doesn't exist in source, it can only be
1783 # a generated file in the build tree.
1784 if ($ddest ne "" && ! -f $ddest) {
1785 $ddest = cleanfile($buildd, $_, $blddir);
1786 if ($unified_info{rename}->{$ddest}) {
1787 $ddest = $unified_info{rename}->{$ddest};
1790 foreach (@{$depends{$dest}}) {
1791 my $d = cleanfile($sourced, $_, $blddir);
1793 # If we know it's generated, or assume it is because we can't
1794 # find it in the source tree, we set file we depend on to be
1795 # in the build tree rather than the source tree, and assume
1796 # and that there are lines to build it in a BEGINRAW..ENDRAW
1797 # section or in the Makefile template.
1799 || (grep { $d eq $_ }
1800 map { cleanfile($srcdir, $_, $blddir) }
1801 grep { /\.h$/ } keys %{$unified_info{generate}})) {
1802 $d = cleanfile($buildd, $_, $blddir);
1804 # Take note if the file to depend on is being renamed
1805 if ($unified_info{rename}->{$d}) {
1806 $d = $unified_info{rename}->{$d};
1808 $unified_info{depends}->{$ddest}->{$d} = 1;
1809 # If we depend on a header file or a perl module, let's make
1810 # sure it can get included
1811 if ($dest ne "" && $d =~ /\.(h|pm)$/) {
1812 my $i = dirname($d);
1813 push @{$unified_info{includes}->{$ddest}->{source}}, $i
1814 unless grep { $_ eq $i } @{$unified_info{includes}->{$ddest}->{source}};
1819 foreach (keys %includes) {
1821 my $ddest = cleanfile($sourced, $_, $blddir);
1823 # If the destination doesn't exist in source, it can only be
1824 # a generated file in the build tree.
1826 $ddest = cleanfile($buildd, $_, $blddir);
1827 if ($unified_info{rename}->{$ddest}) {
1828 $ddest = $unified_info{rename}->{$ddest};
1831 foreach (@{$includes{$dest}}) {
1832 my $is = cleandir($sourced, $_, $blddir);
1833 my $ib = cleandir($buildd, $_, $blddir);
1834 push @{$unified_info{includes}->{$ddest}->{source}}, $is
1835 unless grep { $_ eq $is } @{$unified_info{includes}->{$ddest}->{source}};
1836 push @{$unified_info{includes}->{$ddest}->{build}}, $ib
1837 unless grep { $_ eq $ib } @{$unified_info{includes}->{$ddest}->{build}};
1842 ### Make unified_info a bit more efficient
1843 # One level structures
1844 foreach (("programs", "libraries", "engines", "scripts", "extra", "overrides")) {
1845 $unified_info{$_} = [ sort keys %{$unified_info{$_}} ];
1847 # Two level structures
1848 foreach my $l1 (("install", "sources", "shared_sources", "ldadd", "depends")) {
1849 foreach my $l2 (sort keys %{$unified_info{$l1}}) {
1850 $unified_info{$l1}->{$l2} =
1851 [ sort keys %{$unified_info{$l1}->{$l2}} ];
1855 foreach my $dest (sort keys %{$unified_info{includes}}) {
1856 if (defined($unified_info{includes}->{$dest}->{build})) {
1857 my @source_includes =
1858 ( @{$unified_info{includes}->{$dest}->{source}} );
1859 $unified_info{includes}->{$dest} =
1860 [ @{$unified_info{includes}->{$dest}->{build}} ];
1861 foreach my $inc (@source_includes) {
1862 push @{$unified_info{includes}->{$dest}}, $inc
1863 unless grep { $_ eq $inc } @{$unified_info{includes}->{$dest}};
1866 $unified_info{includes}->{$dest} =
1867 [ @{$unified_info{includes}->{$dest}->{source}} ];
1872 # For the schemes that need it, we provide the old *_obj configs
1873 # from the *_asm_obj ones
1874 foreach (grep /_(asm|aux)_src$/, keys %target) {
1876 (my $obj = $_) =~ s/_(asm|aux)_src$/_obj/;
1877 ($target{$obj} = $target{$src}) =~ s/\.[csS]\b/.o/g;
1880 # Write down our configuration where it fits #########################
1882 open(OUT,">configdata.pm") || die "unable to create configdata.pm: $!\n";
1890 #use vars qw(\@ISA \@EXPORT);
1891 our \@ISA = qw(Exporter);
1892 our \@EXPORT = qw(\%config \%target \%disabled \%withargs \%unified_info \@disablables);
1895 print OUT "our %config = (\n";
1896 foreach (sort keys %config) {
1897 if (ref($config{$_}) eq "ARRAY") {
1898 print OUT " ", $_, " => [ ", join(", ",
1899 map { quotify("perl", $_) }
1900 @{$config{$_}}), " ],\n";
1902 print OUT " ", $_, " => ", quotify("perl", $config{$_}), ",\n"
1909 print OUT "our %target = (\n";
1910 foreach (sort keys %target) {
1911 if (ref($target{$_}) eq "ARRAY") {
1912 print OUT " ", $_, " => [ ", join(", ",
1913 map { quotify("perl", $_) }
1914 @{$target{$_}}), " ],\n";
1916 print OUT " ", $_, " => ", quotify("perl", $target{$_}), ",\n"
1923 print OUT "our \%available_protocols = (\n";
1924 print OUT " tls => [ ", join(", ", map { quotify("perl", $_) } @tls), " ],\n";
1925 print OUT " dtls => [ ", join(", ", map { quotify("perl", $_) } @dtls), " ],\n";
1930 print OUT "our \@disablables = (\n";
1931 foreach (@disablables) {
1932 print OUT " ", quotify("perl", $_), ",\n";
1938 print OUT "our \%disabled = (\n";
1939 foreach (sort keys %disabled) {
1940 print OUT " ", quotify("perl", $_), " => ", quotify("perl", $disabled{$_}), ",\n";
1946 print OUT "our %withargs = (\n";
1947 foreach (sort keys %withargs) {
1948 if (ref($withargs{$_}) eq "ARRAY") {
1949 print OUT " ", $_, " => [ ", join(", ",
1950 map { quotify("perl", $_) }
1951 @{$withargs{$_}}), " ],\n";
1953 print OUT " ", $_, " => ", quotify("perl", $withargs{$_}), ",\n"
1960 if ($builder eq "unified") {
1965 if (ref $_ eq "ARRAY") {
1966 print OUT " "x$indent, "[\n";
1968 $recurse->($indent + 4, $_);
1970 print OUT " "x$indent, "],\n";
1971 } elsif (ref $_ eq "HASH") {
1973 print OUT " "x$indent, "{\n";
1974 foreach (sort keys %h) {
1975 if (ref $h{$_} eq "") {
1976 print OUT " "x($indent + 4), quotify("perl", $_), " => ", quotify("perl", $h{$_}), ",\n";
1978 print OUT " "x($indent + 4), quotify("perl", $_), " =>\n";
1979 $recurse->($indent + 8, $h{$_});
1982 print OUT " "x$indent, "},\n";
1984 print OUT " "x$indent, quotify("perl", $_), ",\n";
1988 print OUT "our %unified_info = (\n";
1989 foreach (sort keys %unified_info) {
1990 if (ref $unified_info{$_} eq "") {
1991 print OUT " "x4, quotify("perl", $_), " => ", quotify("perl", $unified_info{$_}), ",\n";
1993 print OUT " "x4, quotify("perl", $_), " =>\n";
1994 $recurse->(8, $unified_info{$_});
2006 print "CC =$config{cross_compile_prefix}$target{cc}\n";
2007 print "CFLAG =$target{cflags} $config{cflags}\n";
2008 print "SHARED_CFLAG =$target{shared_cflag}\n";
2009 print "DEFINES =",join(" ", @{$target{defines}}, @{$config{defines}}),"\n";
2010 print "LFLAG =$target{lflags}\n";
2011 print "PLIB_LFLAG =$target{plib_lflags}\n";
2012 print "EX_LIBS =$target{ex_libs} $config{ex_libs}\n";
2013 print "APPS_OBJ =$target{apps_obj}\n";
2014 print "CPUID_OBJ =$target{cpuid_obj}\n";
2015 print "UPLINK_OBJ =$target{uplink_obj}\n";
2016 print "BN_ASM =$target{bn_obj}\n";
2017 print "EC_ASM =$target{ec_obj}\n";
2018 print "DES_ENC =$target{des_obj}\n";
2019 print "AES_ENC =$target{aes_obj}\n";
2020 print "BF_ENC =$target{bf_obj}\n";
2021 print "CAST_ENC =$target{cast_obj}\n";
2022 print "RC4_ENC =$target{rc4_obj}\n";
2023 print "RC5_ENC =$target{rc5_obj}\n";
2024 print "MD5_OBJ_ASM =$target{md5_obj}\n";
2025 print "SHA1_OBJ_ASM =$target{sha1_obj}\n";
2026 print "RMD160_OBJ_ASM=$target{rmd160_obj}\n";
2027 print "CMLL_ENC =$target{cmll_obj}\n";
2028 print "MODES_OBJ =$target{modes_obj}\n";
2029 print "PADLOCK_OBJ =$target{padlock_obj}\n";
2030 print "CHACHA_ENC =$target{chacha_obj}\n";
2031 print "POLY1305_OBJ =$target{poly1305_obj}\n";
2032 print "BLAKE2_OBJ =$target{blake2_obj}\n";
2033 print "PROCESSOR =$config{processor}\n";
2034 print "RANLIB =", $target{ranlib} eq '$(CROSS_COMPILE)ranlib' ?
2035 "$config{cross_compile_prefix}ranlib" :
2036 "$target{ranlib}", "\n";
2037 print "ARFLAGS =$target{arflags}\n";
2038 print "PERL =$config{perl}\n";
2040 print "SIXTY_FOUR_BIT_LONG mode\n" if $config{b64l};
2041 print "SIXTY_FOUR_BIT mode\n" if $config{b64};
2042 print "THIRTY_TWO_BIT mode\n" if $config{b32};
2043 print "BN_LLONG mode\n" if $config{bn_ll};
2044 print "RC4 uses $config{rc4_int}\n" if $config{rc4_int} ne $def_int;
2048 run_dofile(catfile($blddir, $target{build_file}),
2049 $config{build_file_template},
2050 catfile($srcdir, "Configurations", "common.tmpl"));
2054 $builders{$builder}->($builder_platform, @builder_opts);
2058 Configured for $target.
2061 print <<"EOF" if ($disabled{threads} eq "unavailable");
2063 The library could not be configured for supporting multi-threaded
2064 applications as the compiler options required on this system are not known.
2065 See file INSTALL for details if you need multi-threading.
2068 print <<"EOF" if ($no_shared_warn);
2070 The options 'shared', 'pic' and 'dynamic-engine' aren't supported on this
2071 platform, so we will pretend you gave the option 'no-pic', which also disables
2072 'shared' and 'dynamic-engine'. If you know how to implement shared libraries
2073 or position independent code, please let us know (but please first make sure
2074 you have tried with a current version of OpenSSL).
2077 print <<"EOF" if (-f catfile($srcdir, "configdata.pm") && $srcdir ne $blddir);
2079 WARNING: there are indications that another build was made in the source
2080 directory. This build may have picked up artifacts from that build, the
2081 safest course of action is to clean the source directory and redo this
2087 ######################################################################
2089 # Helpers and utility functions
2092 # Configuration file reading #########################################
2094 # Note: All of the helper functions are for lazy evaluation. They all
2095 # return a CODE ref, which will return the intended value when evaluated.
2096 # Thus, whenever there's mention of a returned value, it's about that
2099 # Helper function to implement conditional inheritance depending on the
2100 # value of $disabled{asm}. Used in inherit_from values as follows:
2102 # inherit_from => [ "template", asm("asm_tmpl") ]
2107 $disabled{asm} ? () : @x;
2111 # Helper function to implement conditional value variants, with a default
2112 # plus additional values based on the value of $config{build_type}.
2113 # Arguments are given in hash table form:
2115 # picker(default => "Basic string: ",
2117 # release => "release")
2119 # When configuring with --debug, the resulting string will be
2120 # "Basic string: debug", and when not, it will be "Basic string: release"
2122 # This can be used to create variants of sets of flags according to the
2125 # cflags => picker(default => "-Wall",
2126 # debug => "-g -O0",
2131 return sub { add($opts{default} || (),
2132 $opts{$config{build_type}} || ())->(); }
2135 # Helper function to combine several values of different types into one.
2136 # This is useful if you want to combine a string with the result of a
2137 # lazy function, such as:
2139 # cflags => combine("-Wall", sub { $disabled{zlib} ? () : "-DZLIB" })
2143 return sub { add(@stuff)->(); }
2146 # Helper function to implement conditional values depending on the value
2147 # of $disabled{threads}. Can be used as follows:
2149 # cflags => combine("-Wall", threads("-pthread"))
2153 return sub { add($disabled{threads} ? () : @flags)->(); }
2158 our $add_called = 0;
2159 # Helper function to implement adding values to already existing configuration
2160 # values. It handles elements that are ARRAYs, CODEs and scalars
2162 my $separator = shift;
2164 # If there's any ARRAY in the collection of values OR the separator
2165 # is undef, we will return an ARRAY of combined values, otherwise a
2166 # string of joined values with $separator as the separator.
2167 my $found_array = !defined($separator);
2172 while (ref($res) eq "CODE") {
2175 if (defined($res)) {
2176 if (ref($res) eq "ARRAY") {
2192 join($separator, grep { defined($_) && $_ ne "" } @values);
2196 my $separator = " ";
2197 if (ref($_[$#_]) eq "HASH") {
2199 $separator = $opts->{separator};
2202 sub { _add($separator, @x, @_) };
2205 my $separator = " ";
2206 if (ref($_[$#_]) eq "HASH") {
2208 $separator = $opts->{separator};
2211 sub { _add($separator, @_, @x) };
2214 # configuration reader, evaluates the input file as a perl script and expects
2215 # it to fill %targets with target configurations. Those are then added to
2219 open(CONFFILE, "< $fname")
2220 or die "Can't open configuration file '$fname'!\n";
2223 my $content = <CONFFILE>;
2228 local %table = %::table; # Protect %table from tampering
2234 # For each target, check that it's configured with a hash table.
2235 foreach (keys %targets) {
2236 if (ref($targets{$_}) ne "HASH") {
2237 if (ref($targets{$_}) eq "") {
2238 warn "Deprecated target configuration for $_, ignoring...\n";
2240 warn "Misconfigured target configuration for $_ (should be a hash table), ignoring...\n";
2242 delete $targets{$_};
2246 %table = (%table, %targets);
2250 # configuration resolver. Will only resolve all the lazy evaluation
2251 # codeblocks for the chosen target and all those it inherits from,
2253 sub resolve_config {
2255 my @breadcrumbs = @_;
2257 # my $extra_checks = defined($ENV{CONFIGURE_EXTRA_CHECKS});
2259 if (grep { $_ eq $target } @breadcrumbs) {
2260 die "inherit_from loop! target backtrace:\n "
2261 ,$target,"\n ",join("\n ", @breadcrumbs),"\n";
2264 if (!defined($table{$target})) {
2265 warn "Warning! target $target doesn't exist!\n";
2268 # Recurse through all inheritances. They will be resolved on the
2269 # fly, so when this operation is done, they will all just be a
2270 # bunch of attributes with string values.
2271 # What we get here, though, are keys with references to lists of
2272 # the combined values of them all. We will deal with lists after
2273 # this stage is done.
2274 my %combined_inheritance = ();
2275 if ($table{$target}->{inherit_from}) {
2277 map { ref($_) eq "CODE" ? $_->() : $_ } @{$table{$target}->{inherit_from}};
2278 foreach (@inherit_from) {
2279 my %inherited_config = resolve_config($_, $target, @breadcrumbs);
2281 # 'template' is a marker that's considered private to
2282 # the config that had it.
2283 delete $inherited_config{template};
2285 foreach (keys %inherited_config) {
2286 if (!$combined_inheritance{$_}) {
2287 $combined_inheritance{$_} = [];
2289 push @{$combined_inheritance{$_}}, $inherited_config{$_};
2294 # We won't need inherit_from in this target any more, since we've
2295 # resolved all the inheritances that lead to this
2296 delete $table{$target}->{inherit_from};
2298 # Now is the time to deal with those lists. Here's the place to
2299 # decide what shall be done with those lists, all based on the
2300 # values of the target we're currently dealing with.
2301 # - If a value is a coderef, it will be executed with the list of
2302 # inherited values as arguments.
2303 # - If the corresponding key doesn't have a value at all or is the
2304 # empty string, the inherited value list will be run through the
2305 # default combiner (below), and the result becomes this target's
2307 # - Otherwise, this target's value is assumed to be a string that
2308 # will simply override the inherited list of values.
2309 my $default_combiner = add();
2312 map { $_ => 1 } (keys %combined_inheritance,
2313 keys %{$table{$target}});
2315 sub process_values {
2317 my $inherited = shift; # Always a [ list ]
2323 while(ref($object) eq "CODE") {
2324 $object = $object->(@$inherited);
2326 if (!defined($object)) {
2329 elsif (ref($object) eq "ARRAY") {
2330 local $add_called; # To make sure recursive calls don't affect it
2331 return [ map { process_values($_, $inherited, $target, $entry) }
2333 } elsif (ref($object) eq "") {
2336 die "cannot handle reference type ",ref($object)
2337 ," found in target ",$target," -> ",$entry,"\n";
2341 foreach (sort keys %all_keys) {
2342 my $previous = $combined_inheritance{$_};
2344 # Current target doesn't have a value for the current key?
2345 # Assign it the default combiner, the rest of this loop body
2346 # will handle it just like any other coderef.
2347 if (!exists $table{$target}->{$_}) {
2348 $table{$target}->{$_} = $default_combiner;
2351 $table{$target}->{$_} = process_values($table{$target}->{$_},
2352 $combined_inheritance{$_},
2354 unless(defined($table{$target}->{$_})) {
2355 delete $table{$target}->{$_};
2357 # if ($extra_checks &&
2358 # $previous && !($add_called || $previous ~~ $table{$target}->{$_})) {
2359 # warn "$_ got replaced in $target\n";
2363 # Finally done, return the result.
2364 return %{$table{$target}};
2369 print STDERR $usage;
2370 print STDERR "\npick os/compiler from:\n";
2374 foreach $i (sort keys %table)
2376 next if $table{$i}->{template};
2377 next if $i =~ /^debug/;
2378 $k += length($i) + 1;
2384 print STDERR $i . " ";
2386 foreach $i (sort keys %table)
2388 next if $table{$i}->{template};
2389 next if $i !~ /^debug/;
2390 $k += length($i) + 1;
2396 print STDERR $i . " ";
2398 print STDERR "\n\nNOTE: If in doubt, on Unix-ish systems use './config'.\n";
2407 unlink $out || warn "Can't remove $out, $!"
2409 foreach (@templates) {
2410 die "Can't open $_, $!" unless -f $_;
2412 my $perlcmd = (quotify("maybeshell", $config{perl}))[0];
2413 my $cmd = "$perlcmd \"-I.\" \"-Mconfigdata\" \"$dofile\" -o\"Configure\" \"".join("\" \"",@templates)."\" > \"$out.new\"";
2414 #print STDERR "DEBUG[run_dofile]: \$cmd = $cmd\n";
2417 rename("$out.new", $out) || die "Can't rename $out.new, $!";
2424 if (eval { require IPC::Cmd; 1; }) {
2426 return scalar IPC::Cmd::can_run($name);
2428 # if there is $directories component in splitpath,
2429 # then it's not something to test with $PATH...
2430 return $name if (File::Spec->splitpath($name))[1];
2432 foreach (File::Spec->path()) {
2433 my $fullpath = catfile($_, "$name$target{exe_extension}");
2434 if (-f $fullpath and -x $fullpath) {
2441 # Configuration printer ##############################################
2443 sub print_table_entry
2446 my %target = resolve_config($target);
2449 # Don't print the templates
2450 return if $target{template};
2511 if ($type eq "TABLE") {
2513 print "*** $target\n";
2514 foreach (@sequence) {
2515 if (ref($target{$_}) eq "ARRAY") {
2516 printf "\$%-12s = %s\n", $_, join(" ", @{$target{$_}});
2518 printf "\$%-12s = %s\n", $_, $target{$_};
2521 } elsif ($type eq "HASH") {
2523 length((sort { length($a) <=> length($b) } @sequence)[-1]);
2524 print " '$target' => {\n";
2525 foreach (@sequence) {
2527 if (ref($target{$_}) eq "ARRAY") {
2528 print " '",$_,"'"," " x ($largest - length($_))," => [ ",join(", ", map { "'$_'" } @{$target{$_}})," ],\n";
2530 print " '",$_,"'"," " x ($largest - length($_))," => '",$target{$_},"',\n";
2538 # Utility routines ###################################################
2540 # On VMS, if the given file is a logical name, File::Spec::Functions
2541 # will consider it an absolute path. There are cases when we want a
2542 # purely syntactic check without checking the environment.
2546 # On non-platforms, we just use file_name_is_absolute().
2547 return file_name_is_absolute($file) unless $^O eq "VMS";
2549 # If the file spec includes a device or a directpry spec,
2550 # file_name_is_absolute() is perfectly safe.
2551 return file_name_is_absolute($file) if $file =~ m|[:\[]|;
2553 # Here, we know the given file spec isn't absolute
2557 # Makes a directory absolute and cleans out /../ in paths like foo/../bar
2558 # On some platforms, this uses rel2abs(), while on others, realpath() is used.
2559 # realpath() requires that at least all path components except the last is an
2560 # existing directory. On VMS, the last component of the directory spec must
2565 # realpath() is quite buggy on VMS. It uses LIB$FID_TO_NAME, which
2566 # will return the volume name for the device, no matter what. Also,
2567 # it will return an incorrect directory spec if the argument is a
2568 # directory that doesn't exist.
2570 return rel2abs($dir);
2573 # We use realpath() on Unix, since no other will properly clean out
2575 use Cwd qw/realpath/;
2577 return realpath($dir);
2582 perl => sub { my $x = shift;
2583 $x =~ s/([\\\$\@"])/\\$1/g;
2584 return '"'.$x.'"'; },
2585 maybeshell => sub { my $x = shift;
2586 (my $y = $x) =~ s/([\\\"])/\\$1/g;
2587 if ($x ne $y || $x =~ m|\s|) {
2596 defined($processors{$for}) ? $processors{$for} : sub { shift; };
2598 return map { $processor->($_); } @_;
2601 # collect_from_file($filename, $line_concat_cond_re, $line_concat)
2602 # $filename is a file name to read from
2603 # $line_concat_cond_re is a regexp detecting a line continuation ending
2604 # $line_concat is a CODEref that takes care of concatenating two lines
2605 sub collect_from_file {
2606 my $filename = shift;
2607 my $line_concat_cond_re = shift;
2608 my $line_concat = shift;
2610 open my $fh, $filename || die "unable to read $filename: $!\n";
2612 my $saved_line = "";
2616 if (defined $line_concat) {
2617 $_ = $line_concat->($saved_line, $_);
2620 if (defined $line_concat_cond_re && /$line_concat_cond_re/) {
2626 die "$filename ending with continuation line\n" if $_;
2632 # collect_from_array($array, $line_concat_cond_re, $line_concat)
2633 # $array is an ARRAYref of lines
2634 # $line_concat_cond_re is a regexp detecting a line continuation ending
2635 # $line_concat is a CODEref that takes care of concatenating two lines
2636 sub collect_from_array {
2638 my $line_concat_cond_re = shift;
2639 my $line_concat = shift;
2640 my @array = (@$array);
2643 my $saved_line = "";
2645 while (defined($_ = shift @array)) {
2647 if (defined $line_concat) {
2648 $_ = $line_concat->($saved_line, $_);
2651 if (defined $line_concat_cond_re && /$line_concat_cond_re/) {
2657 die "input text ending with continuation line\n" if $_;
2662 # collect_information($lineiterator, $line_continue, $regexp => $CODEref, ...)
2663 # $lineiterator is a CODEref that delivers one line at a time.
2664 # All following arguments are regex/CODEref pairs, where the regexp detects a
2665 # line and the CODEref does something with the result of the regexp.
2666 sub collect_information {
2667 my $lineiterator = shift;
2668 my %collectors = @_;
2670 while(defined($_ = $lineiterator->())) {
2673 if ($collectors{"BEFORE"}) {
2674 $collectors{"BEFORE"}->($_);
2676 foreach my $re (keys %collectors) {
2677 if ($re !~ /^OTHERWISE|BEFORE|AFTER$/ && /$re/) {
2678 $collectors{$re}->($lineiterator);
2682 if ($collectors{"OTHERWISE"}) {
2683 $collectors{"OTHERWISE"}->($lineiterator, $_)
2684 unless $found || !defined $collectors{"OTHERWISE"};
2686 if ($collectors{"AFTER"}) {
2687 $collectors{"AFTER"}->($_);
2693 # $line is a line of text to split up into tokens
2694 # returns a list of tokens
2696 # Tokens are divided by spaces. If the tokens include spaces, they
2697 # have to be quoted with single or double quotes. Double quotes
2698 # inside a double quoted token must be escaped. Escaping is done
2700 # Basically, the same quoting rules apply for " and ' as in any
2703 my $line = my $debug_line = shift;
2706 while ($line =~ s|^\s+||, $line ne "") {
2708 while ($line ne "" && $line !~ m|^\s|) {
2709 if ($line =~ m/^"((?:[^"\\]+|\\.)*)"/) {
2712 } elsif ($line =~ m/^'([^']*)'/) {
2715 } elsif ($line =~ m/^(\S+)/) {
2720 push @result, $token;
2723 if ($ENV{CONFIGURE_DEBUG_TOKENIZE}) {
2724 print STDERR "DEBUG[tokenize]: Parsed '$debug_line' into:\n";
2725 print STDERR "DEBUG[tokenize]: ('", join("', '", @result), "')\n";