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 my %conf_files = map { $_ => 1 } (@{$target{_conf_fname_int}});
908 $config{conf_files} = [ sort keys %conf_files ];
909 %target = ( %{$table{DEFAULTS}}, %target );
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/);
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)/);
923 $config{cross_compile_prefix} = $ENV{'CROSS_COMPILE'}
924 if $config{cross_compile_prefix} eq "";
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";
939 $ENV{'RC'} || $ENV{'WINDRES'} || $target{rc} || "windres";
941 # Allow overriding the build file name
942 $target{build_file} = $ENV{BUILDFILE} || $target{build_file} || "Makefile";
944 # Cache information necessary for reconfiguration
945 $config{cc} = $target{cc};
946 $config{build_file} = $target{build_file};
948 # For cflags, lflags, plib_lflags, ex_libs and defines, add the debug_
949 # or release_ attributes.
950 # Do it in such a way that no spurious space is appended (hence the grep).
951 $config{defines} = [];
952 $config{cflags} = "";
953 $config{ex_libs} = "";
954 $config{shared_ldflag} = "";
956 # Make sure build_scheme is consistent.
957 $target{build_scheme} = [ $target{build_scheme} ]
958 if ref($target{build_scheme}) ne "ARRAY";
960 my ($builder, $builder_platform, @builder_opts) =
961 @{$target{build_scheme}};
963 push @{$config{defines}}, "NDEBUG" if $config{build_type} eq "release";
965 if ($target =~ /^mingw/ && `$target{cc} --target-help 2>&1` =~ m/-mno-cygwin/m)
967 $config{cflags} .= " -mno-cygwin";
968 $config{shared_ldflag} .= " -mno-cygwin";
971 if ($target =~ /linux.*-mips/ && !$disabled{asm} && $user_cflags !~ /-m(ips|arch=)/) {
972 # minimally required architecture flags for assembly modules
973 $config{cflags}="-mips2 $config{cflags}" if ($target =~ /mips32/);
974 $config{cflags}="-mips3 $config{cflags}" if ($target =~ /mips64/);
977 my $no_shared_warn=0;
978 my $no_user_cflags=0;
979 my $no_user_defines=0;
981 # The DSO code currently always implements all functions so that no
982 # applications will have to worry about that from a compilation point
983 # of view. However, the "method"s may return zero unless that platform
984 # has support compiled in for them. Currently each method is enabled
985 # by a define "DSO_<name>" ... we translate the "dso_scheme" config
986 # string entry into using the following logic;
987 if (!$disabled{dso} && $target{dso_scheme} ne "")
989 $target{dso_scheme} =~ tr/[a-z]/[A-Z]/;
990 if ($target{dso_scheme} eq "DLFCN")
992 unshift @{$config{defines}}, "DSO_DLFCN", "HAVE_DLFCN_H";
994 elsif ($target{dso_scheme} eq "DLFCN_NO_H")
996 unshift @{$config{defines}}, "DSO_DLFCN";
1000 unshift @{$config{defines}}, "DSO_$target{dso_scheme}";
1004 $config{ex_libs}="$libs$config{ex_libs}" if ($libs ne "");
1010 @{$config{defines}} = grep !/^[BL]_ENDIAN$/, @{$config{defines}};
1011 @{$target{defines}} = grep !/^[BL]_ENDIAN$/, @{$target{defines}};
1015 # If threads aren't disabled, check how possible they are
1016 unless ($disabled{threads}) {
1017 if ($auto_threads) {
1018 # Enabled by default, disable it forcibly if unavailable
1019 if ($target{thread_scheme} eq "(unknown)") {
1020 $disabled{threads} = "unavailable";
1023 # The user chose to enable threads explicitly, let's see
1024 # if there's a chance that's possible
1025 if ($target{thread_scheme} eq "(unknown)") {
1026 # If the user asked for "threads" and we don't have internal
1027 # knowledge how to do it, [s]he is expected to provide any
1028 # system-dependent compiler options that are necessary. We
1029 # can't truly check that the given options are correct, but
1030 # we expect the user to know what [s]He is doing.
1031 if ($no_user_cflags && $no_user_defines) {
1032 die "You asked for multi-threading support, but didn't\n"
1033 ,"provide any system-specific compiler options\n";
1039 # If threads still aren't disabled, add a C macro to ensure the source
1040 # code knows about it. Any other flag is taken care of by the configs.
1041 unless($disabled{threads}) {
1042 foreach (("defines", "openssl_thread_defines")) {
1043 push @{$config{$_}}, "OPENSSL_THREADS";
1047 # With "deprecated" disable all deprecated features.
1048 if (defined($disabled{"deprecated"})) {
1049 $config{api} = $maxapi;
1052 if ($target{shared_target} eq "")
1055 if ((!$disabled{shared} || !$disabled{"dynamic-engine"})
1057 $disabled{shared} = "no-shared-target";
1058 $disabled{pic} = $disabled{shared} = $disabled{"dynamic-engine"} =
1062 if ($disabled{"dynamic-engine"}) {
1063 push @{$config{defines}}, "OPENSSL_NO_DYNAMIC_ENGINE";
1064 $config{dynamic_engines} = 0;
1066 push @{$config{defines}}, "OPENSSL_NO_STATIC_ENGINE";
1067 $config{dynamic_engines} = 1;
1070 unless ($disabled{"fuzz-libfuzzer"}) {
1071 $config{cflags} .= "-fsanitize-coverage=edge,indirect-calls ";
1074 unless ($disabled{asan}) {
1075 $config{cflags} .= "-fsanitize=address ";
1078 unless ($disabled{ubsan}) {
1079 # -DPEDANTIC or -fnosanitize=alignment may also be required on some
1081 $config{cflags} .= "-fsanitize=undefined -fno-sanitize-recover=all ";
1084 unless ($disabled{msan}) {
1085 $config{cflags} .= "-fsanitize=memory ";
1088 unless ($disabled{"fuzz-libfuzzer"} && $disabled{"fuzz-afl"}
1089 && $disabled{asan} && $disabled{ubsan} && $disabled{msan}) {
1090 $config{cflags} .= "-fno-omit-frame-pointer -g ";
1096 # This saves the build files from having to check
1099 $target{shared_cflag} = $target{shared_ldflag} =
1100 $target{shared_rcflag} = "";
1104 push @{$config{defines}}, "OPENSSL_PIC";
1107 if ($target{sys_id} ne "")
1109 push @{$config{openssl_sys_defines}}, "OPENSSL_SYS_$target{sys_id}";
1112 unless ($disabled{asm}) {
1113 $target{cpuid_asm_src}=$table{DEFAULTS}->{cpuid_asm_src} if ($config{processor} eq "386");
1114 $target{bn_asm_src} =~ s/\w+-gf2m.c// if (defined($disabled{ec2m}));
1116 # bn-586 is the only one implementing bn_*_part_words
1117 push @{$config{defines}}, "OPENSSL_BN_ASM_PART_WORDS" if ($target{bn_asm_src} =~ /bn-586/);
1118 push @{$config{defines}}, "OPENSSL_IA32_SSE2" if (!$no_sse2 && $target{bn_asm_src} =~ /86/);
1120 push @{$config{defines}}, "OPENSSL_BN_ASM_MONT" if ($target{bn_asm_src} =~ /-mont/);
1121 push @{$config{defines}}, "OPENSSL_BN_ASM_MONT5" if ($target{bn_asm_src} =~ /-mont5/);
1122 push @{$config{defines}}, "OPENSSL_BN_ASM_GF2m" if ($target{bn_asm_src} =~ /-gf2m/);
1124 if ($config{fips}) {
1125 push @{$config{openssl_other_defines}}, "OPENSSL_FIPS";
1128 if ($target{sha1_asm_src}) {
1129 push @{$config{defines}}, "SHA1_ASM" if ($target{sha1_asm_src} =~ /sx86/ || $target{sha1_asm_src} =~ /sha1/);
1130 push @{$config{defines}}, "SHA256_ASM" if ($target{sha1_asm_src} =~ /sha256/);
1131 push @{$config{defines}}, "SHA512_ASM" if ($target{sha1_asm_src} =~ /sha512/);
1133 if ($target{rc4_asm_src} ne $table{DEFAULTS}->{rc4_asm_src}) {
1134 push @{$config{defines}}, "RC4_ASM";
1136 if ($target{md5_asm_src}) {
1137 push @{$config{defines}}, "MD5_ASM";
1139 $target{cast_asm_src}=$table{DEFAULTS}->{cast_asm_src} unless $disabled{pic}; # CAST assembler is not PIC
1140 if ($target{rmd160_asm_src}) {
1141 push @{$config{defines}}, "RMD160_ASM";
1143 if ($target{aes_asm_src}) {
1144 push @{$config{defines}}, "AES_ASM" if ($target{aes_asm_src} =~ m/\baes-/);;
1145 # aes-ctr.fake is not a real file, only indication that assembler
1146 # module implements AES_ctr32_encrypt...
1147 push @{$config{defines}}, "AES_CTR_ASM" if ($target{aes_asm_src} =~ s/\s*aes-ctr\.fake//);
1148 # aes-xts.fake indicates presence of AES_xts_[en|de]crypt...
1149 push @{$config{defines}}, "AES_XTS_ASM" if ($target{aes_asm_src} =~ s/\s*aes-xts\.fake//);
1150 $target{aes_asm_src} =~ s/\s*(vpaes|aesni)-x86\.s//g if ($no_sse2);
1151 push @{$config{defines}}, "VPAES_ASM" if ($target{aes_asm_src} =~ m/vpaes/);
1152 push @{$config{defines}}, "BSAES_ASM" if ($target{aes_asm_src} =~ m/bsaes/);
1154 if ($target{wp_asm_src} =~ /mmx/) {
1155 if ($config{processor} eq "386") {
1156 $target{wp_asm_src}=$table{DEFAULTS}->{wp_asm_src};
1157 } elsif (!$disabled{"whirlpool"}) {
1158 push @{$config{defines}}, "WHIRLPOOL_ASM";
1161 if ($target{modes_asm_src} =~ /ghash-/) {
1162 push @{$config{defines}}, "GHASH_ASM";
1164 if ($target{ec_asm_src} =~ /ecp_nistz256/) {
1165 push @{$config{defines}}, "ECP_NISTZ256_ASM";
1167 if ($target{poly1305_asm_src} ne "") {
1168 push @{$config{defines}}, "POLY1305_ASM";
1172 my $ecc = $target{cc};
1173 if ($^O ne "VMS" && !$disabled{makedepend}) {
1174 # Is the compiler gcc or clang? $ecc is used below to see if
1175 # error-checking can be turned on.
1176 my $ccpcc = "$config{cross_compile_prefix}$target{cc}";
1177 open(PIPE, "$ccpcc --version 2>&1 |");
1180 # Find the version number and save the major.
1181 m|(?:.*)\b(\d+)\.\d+\.\d+\b(?:.*)|;
1182 my $compiler_major = $1;
1183 # We know that GNU C version 3 and up as well as all clang
1184 # versions support dependency generation
1185 $config{makedepprog} = $ccpcc
1186 if (/clang/ || (/gcc/ && $compiler_major >= 3));
1187 $ecc = "clang" if /clang/;
1188 $ecc = "gcc" if /gcc/;
1189 last if ($config{makedepprog} || !$lines--);
1193 $config{makedepprog} = which('makedepend') unless $config{makedepprog};
1194 $disabled{makedepend} = "unavailable" unless $config{makedepprog};
1199 # Deal with bn_ops ###################################################
1202 $config{export_var_as_fn} =0;
1203 my $def_int="unsigned int";
1204 $config{rc4_int} =$def_int;
1205 ($config{b64l},$config{b64},$config{b32})=(0,0,1);
1208 foreach (sort split(/\s+/,$target{bn_ops})) {
1209 $count++ if /SIXTY_FOUR_BIT|SIXTY_FOUR_BIT_LONG|THIRTY_TWO_BIT/;
1210 $config{export_var_as_fn}=1 if $_ eq 'EXPORT_VAR_AS_FN';
1211 $config{bn_ll}=1 if $_ eq 'BN_LLONG';
1212 $config{rc4_int}="unsigned char" if $_ eq 'RC4_CHAR';
1213 ($config{b64l},$config{b64},$config{b32})
1214 =(0,1,0) if $_ eq 'SIXTY_FOUR_BIT';
1215 ($config{b64l},$config{b64},$config{b32})
1216 =(1,0,0) if $_ eq 'SIXTY_FOUR_BIT_LONG';
1217 ($config{b64l},$config{b64},$config{b32})
1218 =(0,0,1) if $_ eq 'THIRTY_TWO_BIT';
1220 die "Exactly one of SIXTY_FOUR_BIT|SIXTY_FOUR_BIT_LONG|THIRTY_TWO_BIT can be set in bn_ops\n"
1224 # Hack cflags for better warnings (dev option) #######################
1226 # "Stringify" the C flags string. This permits it to be made part of a string
1227 # and works as well on command lines.
1228 $config{cflags} =~ s/([\\\"])/\\$1/g;
1230 if (defined($config{api})) {
1231 $config{openssl_api_defines} = [ "OPENSSL_MIN_API=".$apitable->{$config{api}} ];
1232 my $apiflag = sprintf("OPENSSL_API_COMPAT=%s", $apitable->{$config{api}});
1233 push @{$config{defines}}, $apiflag;
1236 if ($strict_warnings)
1239 die "ERROR --strict-warnings requires gcc or clang"
1240 unless $ecc eq 'gcc' || $ecc eq 'clang';
1241 foreach $wopt (split /\s+/, $gcc_devteam_warn)
1243 $config{cflags} .= " $wopt" unless ($config{cflags} =~ /(?:^|\s)$wopt(?:\s|$)/)
1245 if ($ecc eq "clang")
1247 foreach $wopt (split /\s+/, $clang_devteam_warn)
1249 $config{cflags} .= " $wopt" unless ($config{cflags} =~ /(?:^|\s)$wopt(?:\s|$)/)
1254 unless ($disabled{"crypto-mdebug-backtrace"})
1256 foreach my $wopt (split /\s+/, $memleak_devteam_backtrace)
1258 $config{cflags} .= " $wopt" unless ($config{cflags} =~ /(?:^|\s)$wopt(?:\s|$)/)
1260 if ($target =~ /^BSD-/)
1262 $config{ex_libs} .= " -lexecinfo";
1266 if ($user_cflags ne "") { $config{cflags}="$config{cflags}$user_cflags"; }
1267 else { $no_user_cflags=1; }
1268 if (@user_defines) { $config{defines}=[ @{$config{defines}}, @user_defines ]; }
1269 else { $no_user_defines=1; }
1271 # ALL MODIFICATIONS TO %config and %target MUST BE DONE FROM HERE ON
1273 unless ($disabled{afalgeng}) {
1274 $config{afalgeng}="";
1275 if ($target =~ m/^linux/) {
1276 my $minver = 4*10000 + 1*100 + 0;
1277 if ($config{cross_compile_prefix} eq "") {
1278 my $verstr = `uname -r`;
1279 my ($ma, $mi1, $mi2) = split("\\.", $verstr);
1280 ($mi2) = $mi2 =~ /(\d+)/;
1281 my $ver = $ma*10000 + $mi1*100 + $mi2;
1282 if ($ver < $minver) {
1283 $disabled{afalgeng} = "too-old-kernel";
1285 push @{$config{engdirs}}, "afalg";
1288 $disabled{afalgeng} = "cross-compiling";
1291 $disabled{afalgeng} = "not-linux";
1295 push @{$config{openssl_other_defines}}, "OPENSSL_NO_AFALGENG" if ($disabled{afalgeng});
1297 # If we use the unified build, collect information from build.info files
1298 my %unified_info = ();
1300 my $buildinfo_debug = defined($ENV{CONFIGURE_DEBUG_BUILDINFO});
1301 if ($builder eq "unified") {
1302 # Store the name of the template file we will build the build file from
1303 # in %config. This may be useful for the build file itself.
1304 my @build_file_template_names =
1305 ( $builder_platform."-".$target{build_file}.".tmpl",
1306 $target{build_file}.".tmpl" );
1307 my @build_file_templates = ();
1309 # First, look in the user provided directory, if given
1310 if (defined $ENV{$local_config_envname}) {
1311 @build_file_templates =
1314 # VMS environment variables are logical names,
1315 # which can be used as is
1316 $local_config_envname . ':' . $_;
1318 catfile($ENV{$local_config_envname}, $_);
1321 @build_file_template_names;
1323 # Then, look in our standard directory
1324 push @build_file_templates,
1325 ( map { catfile($srcdir, "Configurations", $_) }
1326 @build_file_template_names );
1328 my $build_file_template;
1329 for $_ (@build_file_templates) {
1330 $build_file_template = $_;
1331 last if -f $build_file_template;
1333 $build_file_template = undef;
1335 if (!defined $build_file_template) {
1336 die "*** Couldn't find any of:\n", join("\n", @build_file_templates), "\n";
1338 $config{build_file_template} = $build_file_template;
1340 use lib catdir(dirname(__FILE__),"util");
1341 use with_fallback qw(Text::Template);
1346 my $relativeto = shift || ".";
1348 $dir = catdir($base,$dir) unless isabsolute($dir);
1350 # Make sure the directories we're building in exists
1353 my $res = abs2rel(absolutedir($dir), rel2abs($relativeto));
1354 #print STDERR "DEBUG[cleandir]: $dir , $base => $res\n";
1361 my $relativeto = shift || ".";
1363 $file = catfile($base,$file) unless isabsolute($file);
1365 my $d = dirname($file);
1366 my $f = basename($file);
1368 # Make sure the directories we're building in exists
1371 my $res = abs2rel(catfile(absolutedir($d), $f), rel2abs($relativeto));
1372 #print STDERR "DEBUG[cleanfile]: $d , $f => $res\n";
1376 my @build_infos = ( [ ".", "build.info" ] );
1377 foreach (@{$config{dirs}}) {
1378 push @build_infos, [ $_, "build.info" ]
1379 if (-f catfile($srcdir, $_, "build.info"));
1381 foreach (@{$config{sdirs}}) {
1382 push @build_infos, [ catdir("crypto", $_), "build.info" ]
1383 if (-f catfile($srcdir, "crypto", $_, "build.info"));
1385 foreach (@{$config{engdirs}}) {
1386 push @build_infos, [ catdir("engines", $_), "build.info" ]
1387 if (-f catfile($srcdir, "engines", $_, "build.info"));
1390 $config{build_infos} = [ ];
1392 foreach (@build_infos) {
1393 my $sourced = catdir($srcdir, $_->[0]);
1394 my $buildd = catdir($blddir, $_->[0]);
1399 # The basic things we're trying to build
1401 my @programs_install = ();
1403 my @libraries_install = ();
1405 my @engines_install = ();
1407 my @scripts_install = ();
1410 my @intermediates = ();
1415 my %shared_sources = ();
1419 my %sharednames = ();
1422 push @{$config{build_infos}}, catfile(abs2rel($sourced, $blddir), $f);
1423 my $template = Text::Template->new(TYPE => 'FILE',
1424 SOURCE => catfile($sourced, $f));
1425 die "Something went wrong with $sourced/$f: $!\n" unless $template;
1428 $template->fill_in(HASH => { config => \%config,
1430 disabled => \%disabled,
1431 withargs => \%withargs,
1432 builddir => abs2rel($buildd, $blddir),
1433 sourcedir => abs2rel($sourced, $blddir),
1434 buildtop => abs2rel($blddir, $blddir),
1435 sourcetop => abs2rel($srcdir, $blddir) },
1436 DELIMITERS => [ "{-", "-}" ]);
1438 # The top item of this stack has the following values
1439 # -2 positive already run and we found ELSE (following ELSIF should fail)
1440 # -1 positive already run (skip until ENDIF)
1441 # 0 negatives so far (if we're at a condition, check it)
1442 # 1 last was positive (don't skip lines until next ELSE, ELSIF or ENDIF)
1443 # 2 positive ELSE (following ELSIF should fail)
1445 collect_information(
1446 collect_from_array([ @text ],
1447 qr/\\$/ => sub { my $l1 = shift; my $l2 = shift;
1448 $l1 =~ s/\\$//; $l1.$l2 }),
1449 # Info we're looking for
1450 qr/^\s*IF\[((?:\\.|[^\\\]])*)\]\s*$/
1452 if (! @skip || $skip[$#skip] > 0) {
1458 qr/^\s*ELSIF\[((?:\\.|[^\\\]])*)\]\s*$/
1459 => sub { die "ELSIF out of scope" if ! @skip;
1460 die "ELSIF following ELSE" if abs($skip[$#skip]) == 2;
1461 $skip[$#skip] = -1 if $skip[$#skip] != 0;
1462 $skip[$#skip] = !! $1
1463 if $skip[$#skip] == 0; },
1465 => sub { die "ELSE out of scope" if ! @skip;
1466 $skip[$#skip] = -2 if $skip[$#skip] != 0;
1467 $skip[$#skip] = 2 if $skip[$#skip] == 0; },
1469 => sub { die "ENDIF out of scope" if ! @skip;
1471 qr/^\s*PROGRAMS(_NO_INST)?\s*=\s*(.*)\s*$/
1473 if (!@skip || $skip[$#skip] > 0) {
1475 my @x = tokenize($2);
1477 push @programs_install, @x unless $install;
1480 qr/^\s*LIBS(_NO_INST)?\s*=\s*(.*)\s*$/
1482 if (!@skip || $skip[$#skip] > 0) {
1484 my @x = tokenize($2);
1485 push @libraries, @x;
1486 push @libraries_install, @x unless $install;
1489 qr/^\s*ENGINES(_NO_INST)?\s*=\s*(.*)\s*$/
1491 if (!@skip || $skip[$#skip] > 0) {
1493 my @x = tokenize($2);
1495 push @engines_install, @x unless $install;
1498 qr/^\s*SCRIPTS(_NO_INST)?\s*=\s*(.*)\s*$/
1500 if (!@skip || $skip[$#skip] > 0) {
1502 my @x = tokenize($2);
1504 push @scripts_install, @x unless $install;
1507 qr/^\s*EXTRA\s*=\s*(.*)\s*$/
1508 => sub { push @extra, tokenize($1)
1509 if !@skip || $skip[$#skip] > 0 },
1510 qr/^\s*OVERRIDES\s*=\s*(.*)\s*$/
1511 => sub { push @overrides, tokenize($1)
1512 if !@skip || $skip[$#skip] > 0 },
1514 qr/^\s*ORDINALS\[((?:\\.|[^\\\]])+)\]\s*=\s*(.*)\s*$/,
1515 => sub { push @{$ordinals{$1}}, tokenize($2)
1516 if !@skip || $skip[$#skip] > 0 },
1517 qr/^\s*SOURCE\[((?:\\.|[^\\\]])+)\]\s*=\s*(.*)\s*$/
1518 => sub { push @{$sources{$1}}, tokenize($2)
1519 if !@skip || $skip[$#skip] > 0 },
1520 qr/^\s*SHARED_SOURCE\[((?:\\.|[^\\\]])+)\]\s*=\s*(.*)\s*$/
1521 => sub { push @{$shared_sources{$1}}, tokenize($2)
1522 if !@skip || $skip[$#skip] > 0 },
1523 qr/^\s*INCLUDE\[((?:\\.|[^\\\]])+)\]\s*=\s*(.*)\s*$/
1524 => sub { push @{$includes{$1}}, tokenize($2)
1525 if !@skip || $skip[$#skip] > 0 },
1526 qr/^\s*DEPEND\[((?:\\.|[^\\\]])*)\]\s*=\s*(.*)\s*$/
1527 => sub { push @{$depends{$1}}, tokenize($2)
1528 if !@skip || $skip[$#skip] > 0 },
1529 qr/^\s*GENERATE\[((?:\\.|[^\\\]])+)\]\s*=\s*(.*)\s*$/
1530 => sub { push @{$generate{$1}}, $2
1531 if !@skip || $skip[$#skip] > 0 },
1532 qr/^\s*RENAME\[((?:\\.|[^\\\]])+)\]\s*=\s*(.*)\s*$/
1533 => sub { push @{$renames{$1}}, tokenize($2)
1534 if !@skip || $skip[$#skip] > 0 },
1535 qr/^\s*SHARED_NAME\[((?:\\.|[^\\\]])+)\]\s*=\s*(.*)\s*$/
1536 => sub { push @{$sharednames{$1}}, tokenize($2)
1537 if !@skip || $skip[$#skip] > 0 },
1538 qr/^\s*BEGINRAW\[((?:\\.|[^\\\]])+)\]\s*$/
1540 my $lineiterator = shift;
1541 my $target_kind = $1;
1542 while (defined $lineiterator->()) {
1544 if (/^\s*ENDRAW\[((?:\\.|[^\\\]])+)\]\s*$/) {
1545 die "ENDRAW doesn't match BEGINRAW"
1546 if $1 ne $target_kind;
1549 next if @skip && $skip[$#skip] <= 0;
1551 if ($target_kind eq $target{build_file}
1552 || $target_kind eq $target{build_file}."(".$builder_platform.")");
1555 qr/^(?:#.*|\s*)$/ => sub { },
1556 "OTHERWISE" => sub { die "Something wrong with this line:\n$_\nat $sourced/$f" },
1558 if ($buildinfo_debug) {
1559 print STDERR "DEBUG: Parsing ",join(" ", @_),"\n";
1560 print STDERR "DEBUG: ... before parsing, skip stack is ",join(" ", map { int($_) } @skip),"\n";
1564 if ($buildinfo_debug) {
1565 print STDERR "DEBUG: .... after parsing, skip stack is ",join(" ", map { int($_) } @skip),"\n";
1569 die "runaway IF?" if (@skip);
1571 foreach (keys %renames) {
1572 die "$_ renamed to more than one thing: "
1573 ,join(" ", @{$renames{$_}}),"\n"
1574 if scalar @{$renames{$_}} > 1;
1575 my $dest = cleanfile($buildd, $_, $blddir);
1576 my $to = cleanfile($buildd, $renames{$_}->[0], $blddir);
1577 die "$dest renamed to more than one thing: "
1578 ,$unified_info{rename}->{$dest}, $to
1579 unless !defined($unified_info{rename}->{$dest})
1580 or $unified_info{rename}->{$dest} eq $to;
1581 $unified_info{rename}->{$dest} = $to;
1584 foreach (@programs) {
1585 my $program = cleanfile($buildd, $_, $blddir);
1586 if ($unified_info{rename}->{$program}) {
1587 $program = $unified_info{rename}->{$program};
1589 $unified_info{programs}->{$program} = 1;
1592 foreach (@programs_install) {
1593 my $program = cleanfile($buildd, $_, $blddir);
1594 if ($unified_info{rename}->{$program}) {
1595 $program = $unified_info{rename}->{$program};
1597 $unified_info{install}->{programs}->{$program} = 1;
1600 foreach (@libraries) {
1601 my $library = cleanfile($buildd, $_, $blddir);
1602 if ($unified_info{rename}->{$library}) {
1603 $library = $unified_info{rename}->{$library};
1605 $unified_info{libraries}->{$library} = 1;
1608 foreach (@libraries_install) {
1609 my $library = cleanfile($buildd, $_, $blddir);
1610 if ($unified_info{rename}->{$library}) {
1611 $library = $unified_info{rename}->{$library};
1613 $unified_info{install}->{libraries}->{$library} = 1;
1616 die <<"EOF" if scalar @engines and !$config{dynamic_engines};
1617 ENGINES can only be used if configured with 'dynamic-engine'.
1618 This is usually a fault in a build.info file.
1620 foreach (@engines) {
1621 my $library = cleanfile($buildd, $_, $blddir);
1622 if ($unified_info{rename}->{$library}) {
1623 $library = $unified_info{rename}->{$library};
1625 $unified_info{engines}->{$library} = 1;
1628 foreach (@engines_install) {
1629 my $library = cleanfile($buildd, $_, $blddir);
1630 if ($unified_info{rename}->{$library}) {
1631 $library = $unified_info{rename}->{$library};
1633 $unified_info{install}->{engines}->{$library} = 1;
1636 foreach (@scripts) {
1637 my $script = cleanfile($buildd, $_, $blddir);
1638 if ($unified_info{rename}->{$script}) {
1639 $script = $unified_info{rename}->{$script};
1641 $unified_info{scripts}->{$script} = 1;
1644 foreach (@scripts_install) {
1645 my $script = cleanfile($buildd, $_, $blddir);
1646 if ($unified_info{rename}->{$script}) {
1647 $script = $unified_info{rename}->{$script};
1649 $unified_info{install}->{scripts}->{$script} = 1;
1653 my $extra = cleanfile($buildd, $_, $blddir);
1654 $unified_info{extra}->{$extra} = 1;
1657 foreach (@overrides) {
1658 my $override = cleanfile($buildd, $_, $blddir);
1659 $unified_info{overrides}->{$override} = 1;
1662 push @{$unified_info{rawlines}}, @rawlines;
1664 unless ($disabled{shared}) {
1665 # Check sharednames.
1666 foreach (keys %sharednames) {
1667 my $dest = cleanfile($buildd, $_, $blddir);
1668 if ($unified_info{rename}->{$dest}) {
1669 $dest = $unified_info{rename}->{$dest};
1671 die "shared_name for $dest with multiple values: "
1672 ,join(" ", @{$sharednames{$_}}),"\n"
1673 if scalar @{$sharednames{$_}} > 1;
1674 my $to = cleanfile($buildd, $sharednames{$_}->[0], $blddir);
1675 die "shared_name found for a library $dest that isn't defined\n"
1676 unless $unified_info{libraries}->{$dest};
1677 die "shared_name for $dest with multiple values: "
1678 ,$unified_info{sharednames}->{$dest}, ", ", $to
1679 unless !defined($unified_info{sharednames}->{$dest})
1680 or $unified_info{sharednames}->{$dest} eq $to;
1681 $unified_info{sharednames}->{$dest} = $to;
1684 # Additionally, we set up sharednames for libraries that don't
1685 # have any, as themselves.
1686 foreach (keys %{$unified_info{libraries}}) {
1687 if (!defined $unified_info{sharednames}->{$_}) {
1688 $unified_info{sharednames}->{$_} = $_
1693 foreach (keys %ordinals) {
1695 my $ddest = cleanfile($buildd, $_, $blddir);
1696 if ($unified_info{rename}->{$ddest}) {
1697 $ddest = $unified_info{rename}->{$ddest};
1699 foreach (@{$ordinals{$dest}}) {
1700 my %known_ordinals =
1703 cleanfile($sourced, catfile("util", "libcrypto.num"), $blddir),
1705 cleanfile($sourced, catfile("util", "libssl.num"), $blddir)
1707 my $o = $known_ordinals{$_};
1708 die "Ordinals for $ddest defined more than once\n"
1709 if $unified_info{ordinals}->{$ddest};
1710 $unified_info{ordinals}->{$ddest} = [ $_, $o ];
1714 foreach (keys %sources) {
1716 my $ddest = cleanfile($buildd, $_, $blddir);
1717 if ($unified_info{rename}->{$ddest}) {
1718 $ddest = $unified_info{rename}->{$ddest};
1720 foreach (@{$sources{$dest}}) {
1721 my $s = cleanfile($sourced, $_, $blddir);
1723 # If it isn't in the source tree, we assume it's generated
1726 $s = cleanfile($buildd, $_, $blddir);
1728 # We recognise C and asm files
1729 if ($s =~ /\.[csS]\b$/) {
1730 (my $o = $_) =~ s/\.[csS]\b$/.o/;
1731 $o = cleanfile($buildd, $o, $blddir);
1732 $unified_info{sources}->{$ddest}->{$o} = 1;
1733 $unified_info{sources}->{$o}->{$s} = 1;
1735 $unified_info{sources}->{$ddest}->{$s} = 1;
1740 foreach (keys %shared_sources) {
1742 my $ddest = cleanfile($buildd, $_, $blddir);
1743 if ($unified_info{rename}->{$ddest}) {
1744 $ddest = $unified_info{rename}->{$ddest};
1746 foreach (@{$shared_sources{$dest}}) {
1747 my $s = cleanfile($sourced, $_, $blddir);
1749 # If it isn't in the source tree, we assume it's generated
1752 $s = cleanfile($buildd, $_, $blddir);
1754 # We recognise C and asm files
1755 if ($s =~ /\.[csS]\b$/) {
1756 (my $o = $_) =~ s/\.[csS]\b$/.o/;
1757 $o = cleanfile($buildd, $o, $blddir);
1758 $unified_info{shared_sources}->{$ddest}->{$o} = 1;
1759 $unified_info{sources}->{$o}->{$s} = 1;
1761 die "unrecognised source file type for shared library: $s\n";
1766 foreach (keys %generate) {
1768 my $ddest = cleanfile($buildd, $_, $blddir);
1769 if ($unified_info{rename}->{$ddest}) {
1770 $ddest = $unified_info{rename}->{$ddest};
1772 die "more than one generator for $dest: "
1773 ,join(" ", @{$generate{$_}}),"\n"
1774 if scalar @{$generate{$_}} > 1;
1775 my @generator = split /\s+/, $generate{$dest}->[0];
1776 $generator[0] = cleanfile($sourced, $generator[0], $blddir),
1777 $unified_info{generate}->{$ddest} = [ @generator ];
1780 foreach (keys %depends) {
1782 my $ddest = $dest eq "" ? "" : cleanfile($sourced, $_, $blddir);
1784 # If the destination doesn't exist in source, it can only be
1785 # a generated file in the build tree.
1786 if ($ddest ne "" && ! -f $ddest) {
1787 $ddest = cleanfile($buildd, $_, $blddir);
1788 if ($unified_info{rename}->{$ddest}) {
1789 $ddest = $unified_info{rename}->{$ddest};
1792 foreach (@{$depends{$dest}}) {
1793 my $d = cleanfile($sourced, $_, $blddir);
1795 # If we know it's generated, or assume it is because we can't
1796 # find it in the source tree, we set file we depend on to be
1797 # in the build tree rather than the source tree, and assume
1798 # and that there are lines to build it in a BEGINRAW..ENDRAW
1799 # section or in the Makefile template.
1801 || (grep { $d eq $_ }
1802 map { cleanfile($srcdir, $_, $blddir) }
1803 grep { /\.h$/ } keys %{$unified_info{generate}})) {
1804 $d = cleanfile($buildd, $_, $blddir);
1806 # Take note if the file to depend on is being renamed
1807 if ($unified_info{rename}->{$d}) {
1808 $d = $unified_info{rename}->{$d};
1810 $unified_info{depends}->{$ddest}->{$d} = 1;
1811 # If we depend on a header file or a perl module, let's make
1812 # sure it can get included
1813 if ($dest ne "" && $d =~ /\.(h|pm)$/) {
1814 my $i = dirname($d);
1815 push @{$unified_info{includes}->{$ddest}->{source}}, $i
1816 unless grep { $_ eq $i } @{$unified_info{includes}->{$ddest}->{source}};
1821 foreach (keys %includes) {
1823 my $ddest = cleanfile($sourced, $_, $blddir);
1825 # If the destination doesn't exist in source, it can only be
1826 # a generated file in the build tree.
1828 $ddest = cleanfile($buildd, $_, $blddir);
1829 if ($unified_info{rename}->{$ddest}) {
1830 $ddest = $unified_info{rename}->{$ddest};
1833 foreach (@{$includes{$dest}}) {
1834 my $is = cleandir($sourced, $_, $blddir);
1835 my $ib = cleandir($buildd, $_, $blddir);
1836 push @{$unified_info{includes}->{$ddest}->{source}}, $is
1837 unless grep { $_ eq $is } @{$unified_info{includes}->{$ddest}->{source}};
1838 push @{$unified_info{includes}->{$ddest}->{build}}, $ib
1839 unless grep { $_ eq $ib } @{$unified_info{includes}->{$ddest}->{build}};
1844 ### Make unified_info a bit more efficient
1845 # One level structures
1846 foreach (("programs", "libraries", "engines", "scripts", "extra", "overrides")) {
1847 $unified_info{$_} = [ sort keys %{$unified_info{$_}} ];
1849 # Two level structures
1850 foreach my $l1 (("install", "sources", "shared_sources", "ldadd", "depends")) {
1851 foreach my $l2 (sort keys %{$unified_info{$l1}}) {
1852 $unified_info{$l1}->{$l2} =
1853 [ sort keys %{$unified_info{$l1}->{$l2}} ];
1857 foreach my $dest (sort keys %{$unified_info{includes}}) {
1858 if (defined($unified_info{includes}->{$dest}->{build})) {
1859 my @source_includes =
1860 ( @{$unified_info{includes}->{$dest}->{source}} );
1861 $unified_info{includes}->{$dest} =
1862 [ @{$unified_info{includes}->{$dest}->{build}} ];
1863 foreach my $inc (@source_includes) {
1864 push @{$unified_info{includes}->{$dest}}, $inc
1865 unless grep { $_ eq $inc } @{$unified_info{includes}->{$dest}};
1868 $unified_info{includes}->{$dest} =
1869 [ @{$unified_info{includes}->{$dest}->{source}} ];
1874 # For the schemes that need it, we provide the old *_obj configs
1875 # from the *_asm_obj ones
1876 foreach (grep /_(asm|aux)_src$/, keys %target) {
1878 (my $obj = $_) =~ s/_(asm|aux)_src$/_obj/;
1879 ($target{$obj} = $target{$src}) =~ s/\.[csS]\b/.o/g;
1882 # Write down our configuration where it fits #########################
1884 open(OUT,">configdata.pm") || die "unable to create configdata.pm: $!\n";
1892 #use vars qw(\@ISA \@EXPORT);
1893 our \@ISA = qw(Exporter);
1894 our \@EXPORT = qw(\%config \%target \%disabled \%withargs \%unified_info \@disablables);
1897 print OUT "our %config = (\n";
1898 foreach (sort keys %config) {
1899 if (ref($config{$_}) eq "ARRAY") {
1900 print OUT " ", $_, " => [ ", join(", ",
1901 map { quotify("perl", $_) }
1902 @{$config{$_}}), " ],\n";
1904 print OUT " ", $_, " => ", quotify("perl", $config{$_}), ",\n"
1911 print OUT "our %target = (\n";
1912 foreach (sort keys %target) {
1913 if (ref($target{$_}) eq "ARRAY") {
1914 print OUT " ", $_, " => [ ", join(", ",
1915 map { quotify("perl", $_) }
1916 @{$target{$_}}), " ],\n";
1918 print OUT " ", $_, " => ", quotify("perl", $target{$_}), ",\n"
1925 print OUT "our \%available_protocols = (\n";
1926 print OUT " tls => [ ", join(", ", map { quotify("perl", $_) } @tls), " ],\n";
1927 print OUT " dtls => [ ", join(", ", map { quotify("perl", $_) } @dtls), " ],\n";
1932 print OUT "our \@disablables = (\n";
1933 foreach (@disablables) {
1934 print OUT " ", quotify("perl", $_), ",\n";
1940 print OUT "our \%disabled = (\n";
1941 foreach (sort keys %disabled) {
1942 print OUT " ", quotify("perl", $_), " => ", quotify("perl", $disabled{$_}), ",\n";
1948 print OUT "our %withargs = (\n";
1949 foreach (sort keys %withargs) {
1950 if (ref($withargs{$_}) eq "ARRAY") {
1951 print OUT " ", $_, " => [ ", join(", ",
1952 map { quotify("perl", $_) }
1953 @{$withargs{$_}}), " ],\n";
1955 print OUT " ", $_, " => ", quotify("perl", $withargs{$_}), ",\n"
1962 if ($builder eq "unified") {
1967 if (ref $_ eq "ARRAY") {
1968 print OUT " "x$indent, "[\n";
1970 $recurse->($indent + 4, $_);
1972 print OUT " "x$indent, "],\n";
1973 } elsif (ref $_ eq "HASH") {
1975 print OUT " "x$indent, "{\n";
1976 foreach (sort keys %h) {
1977 if (ref $h{$_} eq "") {
1978 print OUT " "x($indent + 4), quotify("perl", $_), " => ", quotify("perl", $h{$_}), ",\n";
1980 print OUT " "x($indent + 4), quotify("perl", $_), " =>\n";
1981 $recurse->($indent + 8, $h{$_});
1984 print OUT " "x$indent, "},\n";
1986 print OUT " "x$indent, quotify("perl", $_), ",\n";
1990 print OUT "our %unified_info = (\n";
1991 foreach (sort keys %unified_info) {
1992 if (ref $unified_info{$_} eq "") {
1993 print OUT " "x4, quotify("perl", $_), " => ", quotify("perl", $unified_info{$_}), ",\n";
1995 print OUT " "x4, quotify("perl", $_), " =>\n";
1996 $recurse->(8, $unified_info{$_});
2008 print "CC =$config{cross_compile_prefix}$target{cc}\n";
2009 print "CFLAG =$target{cflags} $config{cflags}\n";
2010 print "SHARED_CFLAG =$target{shared_cflag}\n";
2011 print "DEFINES =",join(" ", @{$target{defines}}, @{$config{defines}}),"\n";
2012 print "LFLAG =$target{lflags}\n";
2013 print "PLIB_LFLAG =$target{plib_lflags}\n";
2014 print "EX_LIBS =$target{ex_libs} $config{ex_libs}\n";
2015 print "APPS_OBJ =$target{apps_obj}\n";
2016 print "CPUID_OBJ =$target{cpuid_obj}\n";
2017 print "UPLINK_OBJ =$target{uplink_obj}\n";
2018 print "BN_ASM =$target{bn_obj}\n";
2019 print "EC_ASM =$target{ec_obj}\n";
2020 print "DES_ENC =$target{des_obj}\n";
2021 print "AES_ENC =$target{aes_obj}\n";
2022 print "BF_ENC =$target{bf_obj}\n";
2023 print "CAST_ENC =$target{cast_obj}\n";
2024 print "RC4_ENC =$target{rc4_obj}\n";
2025 print "RC5_ENC =$target{rc5_obj}\n";
2026 print "MD5_OBJ_ASM =$target{md5_obj}\n";
2027 print "SHA1_OBJ_ASM =$target{sha1_obj}\n";
2028 print "RMD160_OBJ_ASM=$target{rmd160_obj}\n";
2029 print "CMLL_ENC =$target{cmll_obj}\n";
2030 print "MODES_OBJ =$target{modes_obj}\n";
2031 print "PADLOCK_OBJ =$target{padlock_obj}\n";
2032 print "CHACHA_ENC =$target{chacha_obj}\n";
2033 print "POLY1305_OBJ =$target{poly1305_obj}\n";
2034 print "BLAKE2_OBJ =$target{blake2_obj}\n";
2035 print "PROCESSOR =$config{processor}\n";
2036 print "RANLIB =", $target{ranlib} eq '$(CROSS_COMPILE)ranlib' ?
2037 "$config{cross_compile_prefix}ranlib" :
2038 "$target{ranlib}", "\n";
2039 print "ARFLAGS =$target{arflags}\n";
2040 print "PERL =$config{perl}\n";
2042 print "SIXTY_FOUR_BIT_LONG mode\n" if $config{b64l};
2043 print "SIXTY_FOUR_BIT mode\n" if $config{b64};
2044 print "THIRTY_TWO_BIT mode\n" if $config{b32};
2045 print "BN_LLONG mode\n" if $config{bn_ll};
2046 print "RC4 uses $config{rc4_int}\n" if $config{rc4_int} ne $def_int;
2050 run_dofile(catfile($blddir, $target{build_file}),
2051 $config{build_file_template},
2052 catfile($srcdir, "Configurations", "common.tmpl"));
2056 $builders{$builder}->($builder_platform, @builder_opts);
2060 Configured for $target.
2063 print <<"EOF" if ($disabled{threads} eq "unavailable");
2065 The library could not be configured for supporting multi-threaded
2066 applications as the compiler options required on this system are not known.
2067 See file INSTALL for details if you need multi-threading.
2070 print <<"EOF" if ($no_shared_warn);
2072 The options 'shared', 'pic' and 'dynamic-engine' aren't supported on this
2073 platform, so we will pretend you gave the option 'no-pic', which also disables
2074 'shared' and 'dynamic-engine'. If you know how to implement shared libraries
2075 or position independent code, please let us know (but please first make sure
2076 you have tried with a current version of OpenSSL).
2079 print <<"EOF" if (-f catfile($srcdir, "configdata.pm") && $srcdir ne $blddir);
2081 WARNING: there are indications that another build was made in the source
2082 directory. This build may have picked up artifacts from that build, the
2083 safest course of action is to clean the source directory and redo this
2089 ######################################################################
2091 # Helpers and utility functions
2094 # Configuration file reading #########################################
2096 # Note: All of the helper functions are for lazy evaluation. They all
2097 # return a CODE ref, which will return the intended value when evaluated.
2098 # Thus, whenever there's mention of a returned value, it's about that
2101 # Helper function to implement conditional inheritance depending on the
2102 # value of $disabled{asm}. Used in inherit_from values as follows:
2104 # inherit_from => [ "template", asm("asm_tmpl") ]
2109 $disabled{asm} ? () : @x;
2113 # Helper function to implement conditional value variants, with a default
2114 # plus additional values based on the value of $config{build_type}.
2115 # Arguments are given in hash table form:
2117 # picker(default => "Basic string: ",
2119 # release => "release")
2121 # When configuring with --debug, the resulting string will be
2122 # "Basic string: debug", and when not, it will be "Basic string: release"
2124 # This can be used to create variants of sets of flags according to the
2127 # cflags => picker(default => "-Wall",
2128 # debug => "-g -O0",
2133 return sub { add($opts{default} || (),
2134 $opts{$config{build_type}} || ())->(); }
2137 # Helper function to combine several values of different types into one.
2138 # This is useful if you want to combine a string with the result of a
2139 # lazy function, such as:
2141 # cflags => combine("-Wall", sub { $disabled{zlib} ? () : "-DZLIB" })
2145 return sub { add(@stuff)->(); }
2148 # Helper function to implement conditional values depending on the value
2149 # of $disabled{threads}. Can be used as follows:
2151 # cflags => combine("-Wall", threads("-pthread"))
2155 return sub { add($disabled{threads} ? () : @flags)->(); }
2160 our $add_called = 0;
2161 # Helper function to implement adding values to already existing configuration
2162 # values. It handles elements that are ARRAYs, CODEs and scalars
2164 my $separator = shift;
2166 # If there's any ARRAY in the collection of values OR the separator
2167 # is undef, we will return an ARRAY of combined values, otherwise a
2168 # string of joined values with $separator as the separator.
2169 my $found_array = !defined($separator);
2174 while (ref($res) eq "CODE") {
2177 if (defined($res)) {
2178 if (ref($res) eq "ARRAY") {
2194 join($separator, grep { defined($_) && $_ ne "" } @values);
2198 my $separator = " ";
2199 if (ref($_[$#_]) eq "HASH") {
2201 $separator = $opts->{separator};
2204 sub { _add($separator, @x, @_) };
2207 my $separator = " ";
2208 if (ref($_[$#_]) eq "HASH") {
2210 $separator = $opts->{separator};
2213 sub { _add($separator, @_, @x) };
2216 # configuration reader, evaluates the input file as a perl script and expects
2217 # it to fill %targets with target configurations. Those are then added to
2221 open(CONFFILE, "< $fname")
2222 or die "Can't open configuration file '$fname'!\n";
2225 my $content = <CONFFILE>;
2230 # Protect certain tables from tampering
2231 local %table = %::table;
2237 # For each target, check that it's configured with a hash table.
2238 foreach (keys %targets) {
2239 if (ref($targets{$_}) ne "HASH") {
2240 if (ref($targets{$_}) eq "") {
2241 warn "Deprecated target configuration for $_, ignoring...\n";
2243 warn "Misconfigured target configuration for $_ (should be a hash table), ignoring...\n";
2245 delete $targets{$_};
2247 $targets{$_}->{_conf_fname_int} = add([ $fname ]);
2251 %table = (%table, %targets);
2255 # configuration resolver. Will only resolve all the lazy evaluation
2256 # codeblocks for the chosen target and all those it inherits from,
2258 sub resolve_config {
2260 my @breadcrumbs = @_;
2262 # my $extra_checks = defined($ENV{CONFIGURE_EXTRA_CHECKS});
2264 if (grep { $_ eq $target } @breadcrumbs) {
2265 die "inherit_from loop! target backtrace:\n "
2266 ,$target,"\n ",join("\n ", @breadcrumbs),"\n";
2269 if (!defined($table{$target})) {
2270 warn "Warning! target $target doesn't exist!\n";
2273 # Recurse through all inheritances. They will be resolved on the
2274 # fly, so when this operation is done, they will all just be a
2275 # bunch of attributes with string values.
2276 # What we get here, though, are keys with references to lists of
2277 # the combined values of them all. We will deal with lists after
2278 # this stage is done.
2279 my %combined_inheritance = ();
2280 if ($table{$target}->{inherit_from}) {
2282 map { ref($_) eq "CODE" ? $_->() : $_ } @{$table{$target}->{inherit_from}};
2283 foreach (@inherit_from) {
2284 my %inherited_config = resolve_config($_, $target, @breadcrumbs);
2286 # 'template' is a marker that's considered private to
2287 # the config that had it.
2288 delete $inherited_config{template};
2290 foreach (keys %inherited_config) {
2291 if (!$combined_inheritance{$_}) {
2292 $combined_inheritance{$_} = [];
2294 push @{$combined_inheritance{$_}}, $inherited_config{$_};
2299 # We won't need inherit_from in this target any more, since we've
2300 # resolved all the inheritances that lead to this
2301 delete $table{$target}->{inherit_from};
2303 # Now is the time to deal with those lists. Here's the place to
2304 # decide what shall be done with those lists, all based on the
2305 # values of the target we're currently dealing with.
2306 # - If a value is a coderef, it will be executed with the list of
2307 # inherited values as arguments.
2308 # - If the corresponding key doesn't have a value at all or is the
2309 # empty string, the inherited value list will be run through the
2310 # default combiner (below), and the result becomes this target's
2312 # - Otherwise, this target's value is assumed to be a string that
2313 # will simply override the inherited list of values.
2314 my $default_combiner = add();
2317 map { $_ => 1 } (keys %combined_inheritance,
2318 keys %{$table{$target}});
2320 sub process_values {
2322 my $inherited = shift; # Always a [ list ]
2328 while(ref($object) eq "CODE") {
2329 $object = $object->(@$inherited);
2331 if (!defined($object)) {
2334 elsif (ref($object) eq "ARRAY") {
2335 local $add_called; # To make sure recursive calls don't affect it
2336 return [ map { process_values($_, $inherited, $target, $entry) }
2338 } elsif (ref($object) eq "") {
2341 die "cannot handle reference type ",ref($object)
2342 ," found in target ",$target," -> ",$entry,"\n";
2346 foreach (sort keys %all_keys) {
2347 my $previous = $combined_inheritance{$_};
2349 # Current target doesn't have a value for the current key?
2350 # Assign it the default combiner, the rest of this loop body
2351 # will handle it just like any other coderef.
2352 if (!exists $table{$target}->{$_}) {
2353 $table{$target}->{$_} = $default_combiner;
2356 $table{$target}->{$_} = process_values($table{$target}->{$_},
2357 $combined_inheritance{$_},
2359 unless(defined($table{$target}->{$_})) {
2360 delete $table{$target}->{$_};
2362 # if ($extra_checks &&
2363 # $previous && !($add_called || $previous ~~ $table{$target}->{$_})) {
2364 # warn "$_ got replaced in $target\n";
2368 # Finally done, return the result.
2369 return %{$table{$target}};
2374 print STDERR $usage;
2375 print STDERR "\npick os/compiler from:\n";
2379 foreach $i (sort keys %table)
2381 next if $table{$i}->{template};
2382 next if $i =~ /^debug/;
2383 $k += length($i) + 1;
2389 print STDERR $i . " ";
2391 foreach $i (sort keys %table)
2393 next if $table{$i}->{template};
2394 next if $i !~ /^debug/;
2395 $k += length($i) + 1;
2401 print STDERR $i . " ";
2403 print STDERR "\n\nNOTE: If in doubt, on Unix-ish systems use './config'.\n";
2412 unlink $out || warn "Can't remove $out, $!"
2414 foreach (@templates) {
2415 die "Can't open $_, $!" unless -f $_;
2417 my $perlcmd = (quotify("maybeshell", $config{perl}))[0];
2418 my $cmd = "$perlcmd \"-I.\" \"-Mconfigdata\" \"$dofile\" -o\"Configure\" \"".join("\" \"",@templates)."\" > \"$out.new\"";
2419 #print STDERR "DEBUG[run_dofile]: \$cmd = $cmd\n";
2422 rename("$out.new", $out) || die "Can't rename $out.new, $!";
2429 if (eval { require IPC::Cmd; 1; }) {
2431 return scalar IPC::Cmd::can_run($name);
2433 # if there is $directories component in splitpath,
2434 # then it's not something to test with $PATH...
2435 return $name if (File::Spec->splitpath($name))[1];
2437 foreach (File::Spec->path()) {
2438 my $fullpath = catfile($_, "$name$target{exe_extension}");
2439 if (-f $fullpath and -x $fullpath) {
2446 # Configuration printer ##############################################
2448 sub print_table_entry
2451 my %target = resolve_config($target);
2454 # Don't print the templates
2455 return if $target{template};
2516 if ($type eq "TABLE") {
2518 print "*** $target\n";
2519 foreach (@sequence) {
2520 if (ref($target{$_}) eq "ARRAY") {
2521 printf "\$%-12s = %s\n", $_, join(" ", @{$target{$_}});
2523 printf "\$%-12s = %s\n", $_, $target{$_};
2526 } elsif ($type eq "HASH") {
2528 length((sort { length($a) <=> length($b) } @sequence)[-1]);
2529 print " '$target' => {\n";
2530 foreach (@sequence) {
2532 if (ref($target{$_}) eq "ARRAY") {
2533 print " '",$_,"'"," " x ($largest - length($_))," => [ ",join(", ", map { "'$_'" } @{$target{$_}})," ],\n";
2535 print " '",$_,"'"," " x ($largest - length($_))," => '",$target{$_},"',\n";
2543 # Utility routines ###################################################
2545 # On VMS, if the given file is a logical name, File::Spec::Functions
2546 # will consider it an absolute path. There are cases when we want a
2547 # purely syntactic check without checking the environment.
2551 # On non-platforms, we just use file_name_is_absolute().
2552 return file_name_is_absolute($file) unless $^O eq "VMS";
2554 # If the file spec includes a device or a directpry spec,
2555 # file_name_is_absolute() is perfectly safe.
2556 return file_name_is_absolute($file) if $file =~ m|[:\[]|;
2558 # Here, we know the given file spec isn't absolute
2562 # Makes a directory absolute and cleans out /../ in paths like foo/../bar
2563 # On some platforms, this uses rel2abs(), while on others, realpath() is used.
2564 # realpath() requires that at least all path components except the last is an
2565 # existing directory. On VMS, the last component of the directory spec must
2570 # realpath() is quite buggy on VMS. It uses LIB$FID_TO_NAME, which
2571 # will return the volume name for the device, no matter what. Also,
2572 # it will return an incorrect directory spec if the argument is a
2573 # directory that doesn't exist.
2575 return rel2abs($dir);
2578 # We use realpath() on Unix, since no other will properly clean out
2580 use Cwd qw/realpath/;
2582 return realpath($dir);
2587 perl => sub { my $x = shift;
2588 $x =~ s/([\\\$\@"])/\\$1/g;
2589 return '"'.$x.'"'; },
2590 maybeshell => sub { my $x = shift;
2591 (my $y = $x) =~ s/([\\\"])/\\$1/g;
2592 if ($x ne $y || $x =~ m|\s|) {
2601 defined($processors{$for}) ? $processors{$for} : sub { shift; };
2603 return map { $processor->($_); } @_;
2606 # collect_from_file($filename, $line_concat_cond_re, $line_concat)
2607 # $filename is a file name to read from
2608 # $line_concat_cond_re is a regexp detecting a line continuation ending
2609 # $line_concat is a CODEref that takes care of concatenating two lines
2610 sub collect_from_file {
2611 my $filename = shift;
2612 my $line_concat_cond_re = shift;
2613 my $line_concat = shift;
2615 open my $fh, $filename || die "unable to read $filename: $!\n";
2617 my $saved_line = "";
2621 if (defined $line_concat) {
2622 $_ = $line_concat->($saved_line, $_);
2625 if (defined $line_concat_cond_re && /$line_concat_cond_re/) {
2631 die "$filename ending with continuation line\n" if $_;
2637 # collect_from_array($array, $line_concat_cond_re, $line_concat)
2638 # $array is an ARRAYref of lines
2639 # $line_concat_cond_re is a regexp detecting a line continuation ending
2640 # $line_concat is a CODEref that takes care of concatenating two lines
2641 sub collect_from_array {
2643 my $line_concat_cond_re = shift;
2644 my $line_concat = shift;
2645 my @array = (@$array);
2648 my $saved_line = "";
2650 while (defined($_ = shift @array)) {
2652 if (defined $line_concat) {
2653 $_ = $line_concat->($saved_line, $_);
2656 if (defined $line_concat_cond_re && /$line_concat_cond_re/) {
2662 die "input text ending with continuation line\n" if $_;
2667 # collect_information($lineiterator, $line_continue, $regexp => $CODEref, ...)
2668 # $lineiterator is a CODEref that delivers one line at a time.
2669 # All following arguments are regex/CODEref pairs, where the regexp detects a
2670 # line and the CODEref does something with the result of the regexp.
2671 sub collect_information {
2672 my $lineiterator = shift;
2673 my %collectors = @_;
2675 while(defined($_ = $lineiterator->())) {
2678 if ($collectors{"BEFORE"}) {
2679 $collectors{"BEFORE"}->($_);
2681 foreach my $re (keys %collectors) {
2682 if ($re !~ /^OTHERWISE|BEFORE|AFTER$/ && /$re/) {
2683 $collectors{$re}->($lineiterator);
2687 if ($collectors{"OTHERWISE"}) {
2688 $collectors{"OTHERWISE"}->($lineiterator, $_)
2689 unless $found || !defined $collectors{"OTHERWISE"};
2691 if ($collectors{"AFTER"}) {
2692 $collectors{"AFTER"}->($_);
2698 # $line is a line of text to split up into tokens
2699 # returns a list of tokens
2701 # Tokens are divided by spaces. If the tokens include spaces, they
2702 # have to be quoted with single or double quotes. Double quotes
2703 # inside a double quoted token must be escaped. Escaping is done
2705 # Basically, the same quoting rules apply for " and ' as in any
2708 my $line = my $debug_line = shift;
2711 while ($line =~ s|^\s+||, $line ne "") {
2713 while ($line ne "" && $line !~ m|^\s|) {
2714 if ($line =~ m/^"((?:[^"\\]+|\\.)*)"/) {
2717 } elsif ($line =~ m/^'([^']*)'/) {
2720 } elsif ($line =~ m/^(\S+)/) {
2725 push @result, $token;
2728 if ($ENV{CONFIGURE_DEBUG_TOKENIZE}) {
2729 print STDERR "DEBUG[tokenize]: Parsed '$debug_line' into:\n";
2730 print STDERR "DEBUG[tokenize]: ('", join("', '", @result), "')\n";