4 ## Configure -- OpenSSL source tree configuration script
9 use File::Spec::Functions qw/:DEFAULT abs2rel rel2abs/;
10 use File::Path qw/mkpath/;
12 # see INSTALL for instructions.
14 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";
18 # --config add the given configuration file, which will be read after
19 # any "Configurations*" files that are found in the same
20 # directory as this script.
21 # --prefix prefix for the OpenSSL installation, which includes the
22 # directories bin, lib, include, share/man, share/doc/openssl
23 # This becomes the value of INSTALLTOP in Makefile
24 # (Default: /usr/local)
25 # --openssldir OpenSSL data area, such as openssl.cnf, certificates and keys.
26 # If it's a relative directory, it will be added on the directory
27 # given with --prefix.
28 # This becomes the value of OPENSSLDIR in Makefile and in C.
29 # (Default: PREFIX/ssl)
31 # --cross-compile-prefix Add specified prefix to binutils components.
33 # --api One of 0.9.8, 1.0.0 or 1.1.0. Do not compile support for
34 # interfaces deprecated as of the specified OpenSSL version.
36 # no-hw-xxx do not compile support for specific crypto hardware.
37 # Generic OpenSSL-style methods relating to this support
38 # are always compiled but return NULL if the hardware
39 # support isn't compiled.
40 # no-hw do not compile support for any crypto hardware.
41 # [no-]threads [don't] try to create a library that is suitable for
42 # multithreaded applications (default is "threads" if we
44 # [no-]shared [don't] try to create shared libraries when supported.
45 # [no-]pic [don't] try to build position independent code when supported.
46 # If disabled, it also disables shared and dynamic-engine.
47 # no-asm do not use assembler
48 # no-dso do not compile in any native shared-library methods. This
49 # will ensure that all methods just return NULL.
50 # no-egd do not compile support for the entropy-gathering daemon APIs
51 # [no-]zlib [don't] compile support for zlib compression.
52 # zlib-dynamic Like "zlib", but the zlib library is expected to be a shared
53 # library and will be loaded in run-time by the OpenSSL library.
54 # sctp include SCTP support
55 # 386 generate 80386 code
56 # enable-weak-ssl-ciphers
57 # Enable weak ciphers that are disabled by default. This currently
58 # only includes RC4 based ciphers.
59 # no-sse2 disables IA-32 SSE2 code, above option implies no-sse2
60 # no-<cipher> build without specified algorithm (rsa, idea, rc5, ...)
61 # -<xxx> +<xxx> compiler options are passed through
63 # DEBUG_SAFESTACK use type-safe stacks to enforce type-safety on stack items
64 # provided to stack calls. Generates unique stack functions for
65 # each possible stack type.
66 # BN_LLONG use the type 'long long' in crypto/bn/bn.h
67 # RC4_CHAR use 'char' instead of 'int' for RC4_INT in crypto/rc4/rc4.h
68 # Following are set automatically by this script
70 # MD5_ASM use some extra md5 assember,
71 # SHA1_ASM use some extra sha1 assember, must define L_ENDIAN for x86
72 # RMD160_ASM use some extra ripemd160 assember,
73 # SHA256_ASM sha256_block is implemented in assembler
74 # SHA512_ASM sha512_block is implemented in assembler
75 # AES_ASM ASE_[en|de]crypt is implemented in assembler
77 # Minimum warning options... any contributions to OpenSSL should at least get
80 my $gcc_devteam_warn = "-DPEDANTIC -DREF_DEBUG -DDEBUG_UNUSED -DBIO_DEBUG"
85 . " -Wmissing-prototypes"
92 # These are used in addition to $gcc_devteam_warn when the compiler is clang.
93 # TODO(openssl-team): fix problems and investigate if (at least) the
94 # following warnings can also be enabled:
98 # -Wlanguage-extension-token -- no, we use asm()
99 # -Wunused-macros -- no, too tricky for BN and _XOPEN_SOURCE etc
100 # -Wextended-offsetof -- no, needed in CMS ASN1 code
101 my $clang_devteam_warn = ""
102 . " -Qunused-arguments"
104 . " -Wno-unused-parameter"
105 . " -Wno-missing-field-initializers"
106 . " -Wno-language-extension-token"
107 . " -Wno-extended-offsetof"
108 . " -Wconditional-uninitialized"
109 . " -Wincompatible-pointer-types-discards-qualifiers"
110 . " -Wmissing-variable-declarations"
113 # This adds backtrace information to the memory leak info. Is only used
114 # when crypto-mdebug-backtrace is enabled.
115 my $memleak_devteam_backtrace = "-rdynamic";
117 my $strict_warnings = 0;
119 # As for $BSDthreads. Idea is to maintain "collective" set of flags,
120 # which would cover all BSD flavors. -pthread applies to them all,
121 # but is treated differently. OpenBSD expands is as -D_POSIX_THREAD
122 # -lc_r, which is sufficient. FreeBSD 4.x expands it as -lc_r,
123 # which has to be accompanied by explicit -D_THREAD_SAFE and
124 # sometimes -D_REENTRANT. FreeBSD 5.x expands it as -lc_r, which
125 # seems to be sufficient?
126 our $BSDthreads="-pthread -D_THREAD_SAFE -D_REENTRANT";
129 # API compability name to version number mapping.
131 my $maxapi = "1.1.0"; # API for "no-deprecated" builds
133 "1.1.0" => "0x10100000L",
134 "1.0.0" => "0x10000000L",
135 "0.9.8" => "0x00908000L",
142 # Forward declarations ###############################################
144 # read_config(filename)
146 # Reads a configuration file and populates %table with the contents
147 # (which the configuration file places in %targets).
150 # resolve_config(target)
152 # Resolves all the late evalutations, inheritances and so on for the
153 # chosen target and any target it inherits from.
157 # Information collection #############################################
159 # Unified build supports separate build dir
160 my $srcdir = catdir(absolutedir(dirname($0))); # catdir ensures local syntax
161 my $blddir = catdir(absolutedir(".")); # catdir ensures local syntax
162 my $dofile = abs2rel(catfile($srcdir, "util/dofile.pl"));
164 $config{sourcedir} = abs2rel($srcdir);
165 $config{builddir} = abs2rel($blddir);
167 # Collect version numbers
168 $config{version} = "unknown";
169 $config{version_num} = "unknown";
170 $config{shlib_version_number} = "unknown";
171 $config{shlib_version_history} = "unknown";
174 collect_from_file(catfile($srcdir,'include/openssl/opensslv.h')),
175 qr/OPENSSL.VERSION.TEXT.*OpenSSL (\S+) / => sub { $config{version} = $1; },
176 qr/OPENSSL.VERSION.NUMBER.*(0x\S+)/ => sub { $config{version_num}=$1 },
177 qr/SHLIB_VERSION_NUMBER *"([^"]+)"/ => sub { $config{shlib_version_number}=$1 },
178 qr/SHLIB_VERSION_HISTORY *"([^"]*)"/ => sub { $config{shlib_version_history}=$1 }
180 if ($config{shlib_version_history} ne "") { $config{shlib_version_history} .= ":"; }
182 ($config{major}, $config{minor})
183 = ($config{version} =~ /^([0-9]+)\.([0-9\.]+)/);
184 ($config{shlib_major}, $config{shlib_minor})
185 = ($config{shlib_version_number} =~ /^([0-9]+)\.([0-9\.]+)/);
186 die "erroneous version information in opensslv.h: ",
187 "$config{major}, $config{minor}, $config{shlib_major}, $config{shlib_minor}\n"
188 if ($config{major} eq "" || $config{minor} eq ""
189 || $config{shlib_major} eq "" || $config{shlib_minor} eq "");
191 # Collect target configurations
193 my $pattern = catfile(dirname($0), "Configurations", "*.conf");
194 foreach (sort glob($pattern) ) {
199 print "Configuring OpenSSL version $config{version} (0x$config{version_num})\n";
202 $config{openssldir}="";
203 $config{processor}="";
205 $config{cross_compile_prefix}="";
206 $config{fipslibdir}="/usr/local/ssl/fips-2.0/lib/";
207 my $nofipscanistercheck=0;
208 $config{baseaddr}="0xFB00000";
209 my $auto_threads=1; # enable threads automatically? true by default
213 # Top level directories to build
214 $config{dirs} = [ "crypto", "ssl", "engines", "apps", "test", "tools" ];
215 # crypto/ subdirectories to build
218 "md2", "md4", "md5", "sha", "mdc2", "hmac", "ripemd", "whrlpool", "poly1305", "blake2",
219 "des", "aes", "rc2", "rc4", "rc5", "idea", "bf", "cast", "camellia", "seed", "chacha", "modes",
220 "bn", "ec", "rsa", "dsa", "dh", "dso", "engine",
221 "buffer", "bio", "stack", "lhash", "rand", "err",
222 "evp", "asn1", "pem", "x509", "x509v3", "conf", "txt_db", "pkcs7", "pkcs12", "comp", "ocsp", "ui",
223 "cms", "ts", "srp", "cmac", "ct", "async", "kdf"
226 # Known TLS and DTLS protocols
227 my @tls = qw(ssl3 tls1 tls1_1 tls1_2);
228 my @dtls = qw(dtls1 dtls1_2);
230 # Explicitelly known options that are possible to disable. They can
231 # be regexps, and will be used like this: /^no-${option}$/
232 # For developers: keep it sorted alphabetically
251 "crypto-mdebug-backtrace",
265 "ec_nistp_64_gcc_128",
293 "rijndael", # Old AES name
321 foreach my $proto ((@tls, @dtls))
323 push(@disablables, $proto);
324 push(@disablables, "$proto-method");
327 my @deprecated_disablables = (
331 # All of the following is disabled by default (RC5 was enabled before 0.9.8):
333 our %disabled = ( # "what" => "comment"
334 "ec_nistp_64_gcc_128" => "default",
339 "shared" => "default",
340 "ssl-trace" => "default",
342 "ssl3-method" => "default",
343 "unit-test" => "default",
344 "weak-ssl-ciphers" => "default",
346 "zlib-dynamic" => "default",
347 "crypto-mdebug" => "default",
348 "heartbeats" => "default",
351 # Note: => pair form used for aesthetics, not to truly make a hash table
352 my @disable_cascades = (
353 # "what" => [ "cascade", ... ]
354 sub { $config{processor} eq "386" }
357 "ssl3-method" => [ "ssl3" ],
358 "zlib" => [ "zlib-dynamic" ],
359 "rijndael" => [ "aes" ],
361 "ec" => [ "ecdsa", "ecdh" ],
363 "dgram" => [ "dtls" ],
366 # SSL 3.0, (D)TLS 1.0 and TLS 1.1 require MD5 and SHA
367 "md5" => [ "ssl", "tls1", "tls1_1", "dtls1" ],
368 "sha" => [ "ssl", "tls1", "tls1_1", "dtls1" ],
370 # Additionally, SSL 3.0 requires either RSA or DSA+DH
372 && ($disabled{dsa} || $disabled{dh}); }
375 # (D)TLS 1.0 and TLS 1.1 also require either RSA or DSA+DH
376 # or ECDSA + ECDH. (D)TLS 1.2 has this requirement as well.
377 # (XXX: We don't support PSK-only builds).
379 && ($disabled{dsa} || $disabled{dh})
380 && ($disabled{ecdsa} || $disabled{ecdh}); }
381 => [ "tls1", "tls1_1", "tls1_2",
382 "dtls1", "dtls1_2" ],
386 # SRP and HEARTBEATS require TLSEXT
387 "tlsext" => [ "srp", "heartbeats" ],
389 "crypto-mdebug" => [ "crypto-mdebug-backtrace" ],
391 # Without DSO, we can't load dynamic engines, so don't build them dynamic
392 "dso" => [ "dynamic-engine" ],
394 # Without position independent code, there can be no shared libraries or DSOs
395 "pic" => [ "shared" ],
396 "shared" => [ "dynamic-engine" ],
397 "engine" => [ "afalgeng" ],
400 # Avoid protocol support holes. Also disable all versions below N, if version
401 # N is disabled while N+1 is enabled.
403 my @list = (reverse @tls);
404 while ((my $first, my $second) = (shift @list, shift @list)) {
406 push @disable_cascades, ( sub { !$disabled{$first} && $disabled{$second} }
408 unshift @list, $second;
410 my @list = (reverse @dtls);
411 while ((my $first, my $second) = (shift @list, shift @list)) {
413 push @disable_cascades, ( sub { !$disabled{$first} && $disabled{$second} }
415 unshift @list, $second;
418 # Explicit "no-..." options will be collected in %disabled along with the defaults.
419 # To remove something from %disabled, use "enable-foo".
420 # For symmetry, "disable-foo" is a synonym for "no-foo".
422 my @generated_headers = (
423 "include/openssl/opensslconf.h",
424 "crypto/include/internal/bn_conf.h",
425 "crypto/include/internal/dso_conf.h"
428 my @generated_by_make_headers = (
435 &usage if ($#ARGV < 0);
439 $config{openssl_api_defines}=[];
440 $config{openssl_algorithm_defines}=[];
441 $config{openssl_thread_defines}=[];
442 $config{openssl_sys_defines}=[];
443 $config{openssl_other_defines}=[];
447 $config{build_type} = "release";
453 if (grep /^reconf(igure)?$/, @argvcopy) {
454 if (-f "./configdata.pm") {
455 my $file = "./configdata.pm";
456 unless (my $return = do $file) {
457 die "couldn't parse $file: $@" if $@;
458 die "couldn't do $file: $!" unless defined $return;
459 die "couldn't run $file" unless $return;
462 @argvcopy = defined($configdata::config{perlargv}) ?
463 @{$configdata::config{perlargv}} : ();
464 die "Incorrect data to reconfigure, please do a normal configuration\n"
465 if (grep(/^reconf/,@argvcopy));
466 $ENV{CROSS_COMPILE} = $configdata::config{cross_compile_prefix}
467 if defined($configdata::config{cross_compile_prefix});
468 $ENV{CROSS_COMPILE} = $configdata::config{cc}
469 if defined($configdata::config{cc});
471 print "Reconfiguring with: ", join(" ",@argvcopy), "\n";
472 print " CROSS_COMPILE = ",$ENV{CROSS_COMPILE},"\n"
473 if $ENV{CROSS_COMPILE};
474 print " CC = ",$ENV{CC},"\n" if $ENV{CC};
475 } elsif (open IN, "<Makefile") {
477 # THIS SECTION IS TEMPORARY, it helps transitioning from Makefile
478 # centered information gathering the reading configdata.pm
482 if (/^CONFIGURE_ARGS=\s*(.*)\s*/) {
483 # Older form, we split the string and hope for the best
484 @argvcopy = split /\s+/, $_;
485 die "Incorrect data to reconfigure, please do a normal configuration\n"
486 if (grep(/^reconf/,@argvcopy));
487 } elsif (/^CROSS_COMPILE=\s*(.*)/) {
488 $ENV{CROSS_COMPILE}=$1;
489 } elsif (/^CC=\s*(?:\$\(CROSS_COMPILE\))?(.*?)$/) {
494 # END OF TEMPORARY SECTION
497 die "Insufficient data to reconfigure, please do a normal configuration\n";
501 $config{perlargv} = [ @argvcopy ];
503 my %unsupported_options = ();
504 my %deprecated_options = ();
507 # VMS is a case insensitive environment, and depending on settings
508 # out of our control, we may receive options uppercased. Let's
509 # downcase at least the part before any equal sign.
514 s /^-no-/no-/; # some people just can't read the instructions
516 # rewrite some options in "enable-..." form
517 s /^-?-?shared$/enable-shared/;
518 s /^sctp$/enable-sctp/;
519 s /^threads$/enable-threads/;
520 s /^zlib$/enable-zlib/;
521 s /^zlib-dynamic$/enable-zlib-dynamic/;
523 if (/^(no|disable|enable)-(.+)$/)
526 if (grep { $word =~ /^${_}$/ } @deprecated_disablables)
528 $deprecated_options{$_} = 1;
531 elsif (!grep { $word =~ /^${_}$/ } @disablables)
533 $unsupported_options{$_} = 1;
537 if (/^no-(.+)$/ || /^disable-(.+)$/)
539 foreach my $proto ((@tls, @dtls))
541 if ($1 eq "$proto-method")
543 $disabled{"$proto"} = "option($proto-method)";
549 foreach my $proto (@dtls)
551 $disabled{$proto} = "option(dtls)";
556 # Last one of its kind
557 $disabled{"ssl3"} = "option(ssl)";
561 # XXX: Tests will fail if all SSL/TLS
562 # protocols are disabled.
563 foreach my $proto (@tls)
565 $disabled{$proto} = "option(tls)";
568 elsif ($1 eq "static-engine")
570 delete $disabled{"dynamic-engine"};
572 elsif ($1 eq "dynamic-engine")
574 $disabled{"dynamic-engine"} = "option";
578 $disabled{$1} = "option";
580 # No longer an automatic choice
581 $auto_threads = 0 if ($1 eq "threads");
583 elsif (/^enable-(.+)$/)
585 if ($1 eq "static-engine")
587 $disabled{"dynamic-engine"} = "option";
589 elsif ($1 eq "dynamic-engine")
591 delete $disabled{"dynamic-engine"};
593 elsif ($1 eq "zlib-dynamic")
595 delete $disabled{"zlib"};
598 delete $disabled{$algo};
600 # No longer an automatic choice
601 $auto_threads = 0 if ($1 eq "threads");
603 elsif (/^--strict-warnings$/)
605 $strict_warnings = 1;
609 $config{build_type} = "debug";
611 elsif (/^--release$/)
613 $config{build_type} = "release";
616 { $config{processor}=386; }
623 # No RSAref support any more since it's not needed.
624 # The check for the option is there so scripts aren't
627 elsif (/^nofipscanistercheck$/)
630 $nofipscanistercheck = 1;
638 elsif (/^--prefix=(.*)$/)
641 die "Directory given with --prefix MUST be absolute\n"
642 unless file_name_is_absolute($config{prefix});
644 elsif (/^--api=(.*)$/)
648 elsif (/^--libdir=(.*)$/)
652 elsif (/^--openssldir=(.*)$/)
654 $config{openssldir}=$1;
656 elsif (/^--with-zlib-lib=(.*)$/)
658 $withargs{zlib_lib}=$1;
660 elsif (/^--with-zlib-include=(.*)$/)
662 $withargs{zlib_include}="-I$1";
664 elsif (/^--with-fipslibdir=(.*)$/)
666 $config{fipslibdir}="$1/";
668 elsif (/^--with-baseaddr=(.*)$/)
670 $config{baseaddr}="$1";
672 elsif (/^--cross-compile-prefix=(.*)$/)
674 $config{cross_compile_prefix}=$1;
676 elsif (/^--config=(.*)$/)
680 elsif (/^-[lL](.*)$/ or /^-Wl,/)
686 push @user_defines, $1;
688 else # common if (/^[-+]/), just pass down...
690 $_ =~ s/%([0-9a-f]{1,2})/chr(hex($1))/gei;
691 $user_cflags.=" ".$_;
696 die "target already defined - $target (offending arg: $_)\n" if ($target ne "");
699 unless ($_ eq $target || /^no-/ || /^disable-/)
701 # "no-..." follows later after implied disactivations
702 # have been derived. (Don't take this too seroiusly,
703 # we really only write OPTIONS to the Makefile out of
706 if ($config{options} eq "")
707 { $config{options} = $_; }
709 { $config{options} .= " ".$_; }
712 if (defined($config{api}) && !exists $apitable->{$config{api}}) {
713 die "***** Unsupported api compatibility level: $config{api}\n",
716 if (keys %deprecated_options)
718 warn "***** Deprecated options: ",
719 join(", ", keys %deprecated_options), "\n";
721 if (keys %unsupported_options)
723 die "***** Unsupported options: ",
724 join(", ", keys %unsupported_options), "\n";
730 delete $disabled{"shared"} if ($disabled{"shared"} =~ /^default/);
734 @{$config{dirs}} = grep !/^fips$/, @{$config{dirs}};
737 my @tocheckfor = (keys %disabled);
738 while (@tocheckfor) {
739 my %new_tocheckfor = ();
740 my @cascade_copy = (@disable_cascades);
741 while (@cascade_copy) {
742 my ($test, $descendents) = (shift @cascade_copy, shift @cascade_copy);
743 if (ref($test) eq "CODE" ? $test->() : defined($disabled{$test})) {
745 $new_tocheckfor{$_} = 1; $disabled{$_} = "forced";
746 } grep { !defined($disabled{$_}) } @$descendents;
749 @tocheckfor = (keys %new_tocheckfor);
752 if ($target eq "TABLE") {
753 foreach (sort keys %table) {
754 print_table_entry($_, "TABLE");
759 if ($target eq "LIST") {
760 foreach (sort keys %table) {
761 print $_,"\n" unless $table{$_}->{template};
766 if ($target eq "HASH") {
767 print "%table = (\n";
768 foreach (sort keys %table) {
769 print_table_entry($_, "HASH");
774 # Backward compatibility?
775 if ($target =~ m/^CygWin32(-.*)$/) {
776 $target = "Cygwin".$1;
779 foreach (sort (keys %disabled))
781 $config{options} .= " no-$_";
783 printf " no-%-12s %-10s", $_, "[$disabled{$_}]";
795 elsif (/^dynamic-engine$/)
797 elsif (/^makedepend$/)
799 elsif (/^zlib-dynamic$/)
805 @{$config{dirs}} = grep !/^engines$/, @{$config{dirs}};
806 @{$config{sdirs}} = grep !/^engine$/, @{$config{sdirs}};
807 push @{$config{openssl_other_defines}}, "OPENSSL_NO_ENGINE";
812 ($ALGO = $algo = $_) =~ tr/[\-a-z]/[_A-Z]/;
814 if (/^asm$/ || /^err$/ || /^hw$/ || /^hw-/ || /^async$/
815 || /^autoalginit/ || /^autoerrinit/)
817 push @{$config{openssl_other_defines}}, "OPENSSL_NO_$ALGO";
818 print " OPENSSL_NO_$ALGO";
820 if (/^err$/) { push @user_defines, "OPENSSL_NO_ERR"; }
824 ($ALGO,$algo) = ("RMD160","rmd160") if ($algo eq "ripemd");
826 push @{$config{openssl_algorithm_defines}}, "OPENSSL_NO_$ALGO";
827 print " OPENSSL_NO_$ALGO";
829 # fix-up crypto/directory name(s)
830 $algo="whrlpool" if $algo eq "whirlpool";
831 $algo="ripemd" if $algo eq "rmd160";
832 @{$config{sdirs}} = grep { $_ ne $algo} @{$config{sdirs}};
841 print "Configuring for $target\n";
843 # Support for legacy targets having a name starting with 'debug-'
844 my ($d, $t) = $target =~ m/^(debug-)?(.*)$/;
846 $config{build_type} = "debug";
848 # If we do not find debug-foo in the table, the target is set to foo.
849 if (!$table{$target}) {
853 $config{target} = $target;
854 my %target = resolve_config($target);
856 &usage if (!%target || $target{template});
858 %target = ( %{$table{DEFAULTS}}, %target );
860 $target{exe_extension}="";
861 $target{exe_extension}=".exe" if ($config{target} eq "DJGPP"
862 || $config{target} =~ /^(?:Cygwin|mingw)/);
863 $target{exe_extension}=".nlm" if ($config{target} =~ /netware/);
864 $target{exe_extension}=".pm" if ($config{target} =~ /vos/);
866 ($target{shared_extension_simple}=$target{shared_extension})
867 =~ s|\.\$\(SHLIB_MAJOR\)\.\$\(SHLIB_MINOR\)||;
868 $target{dso_extension}=$target{shared_extension_simple};
869 ($target{shared_import_extension}=$target{shared_extension_simple}.".a")
870 if ($config{target} =~ /^(?:Cygwin|mingw)/);
873 $config{cross_compile_prefix} = $ENV{'CROSS_COMPILE'}
874 if $config{cross_compile_prefix} eq "";
876 # Allow overriding the names of some tools. USE WITH CARE
877 $config{perl} = $ENV{'PERL'} || which("perl5") || which("perl") || "perl";
878 $target{cc} = $ENV{'CC'} || $target{cc} || "cc";
879 $target{ranlib} = $ENV{'RANLIB'} || $target{ranlib} || which("ranlib") || "true";
880 $target{ar} = $ENV{'AR'} || $target{ar} || "ar";
881 $target{nm} = $ENV{'NM'} || $target{nm} || "nm";
883 # For cflags, lflags, plib_lflags, ex_libs and defines, add the debug_
884 # or release_ attributes.
885 # Do it in such a way that no spurious space is appended (hence the grep).
886 $config{defines} = [];
887 $config{cflags} = "";
888 $config{ex_libs} = "";
889 $config{shared_ldflag} = "";
891 # Make sure build_scheme is consistent.
892 $target{build_scheme} = [ $target{build_scheme} ]
893 if ref($target{build_scheme}) ne "ARRAY";
895 ###### TO BE REMOVED WHEN CLASSIC BUILD IS REMOVED
897 ###### If the user has chosen --classic, we give it to them.
898 ###### If they try that with an out-of-source config, we complain.
899 if ($target{build_scheme}->[0] eq "unified" && $classic) {
900 die "Can't perform a classic build out of source tree\n"
901 if $srcdir ne $blddir;
903 $target{build_scheme} = { unix => [ "unixmake" ],
905 VMS => undef } -> {$target{build_scheme}->[1]};
907 die "Classic mode unavailable on this platform\n"
908 unless defined($target{build_scheme});
911 my ($builder, $builder_platform, @builder_opts) =
912 @{$target{build_scheme}};
914 if ($target =~ /^mingw/ && `$target{cc} --target-help 2>&1` =~ m/-mno-cygwin/m)
916 $config{cflags} .= " -mno-cygwin";
917 $config{shared_ldflag} .= " -mno-cygwin";
920 if ($target =~ /linux.*-mips/ && !$disabled{asm} && $user_cflags !~ /-m(ips|arch=)/) {
921 # minimally required architecture flags for assembly modules
922 $config{cflags}="-mips2 $config{cflags}" if ($target =~ /mips32/);
923 $config{cflags}="-mips3 $config{cflags}" if ($target =~ /mips64/);
926 my $no_shared_warn=0;
927 my $no_user_cflags=0;
928 my $no_user_defines=0;
930 # The DSO code currently always implements all functions so that no
931 # applications will have to worry about that from a compilation point
932 # of view. However, the "method"s may return zero unless that platform
933 # has support compiled in for them. Currently each method is enabled
934 # by a define "DSO_<name>" ... we translate the "dso_scheme" config
935 # string entry into using the following logic;
936 if (!$disabled{dso} && $target{dso_scheme} ne "")
938 $target{dso_scheme} =~ tr/[a-z]/[A-Z]/;
939 if ($target{dso_scheme} eq "DLFCN")
941 unshift @{$config{defines}}, "DSO_DLFCN", "HAVE_DLFCN_H";
943 elsif ($target{dso_scheme} eq "DLFCN_NO_H")
945 unshift @{$config{defines}}, "DSO_DLFCN";
949 unshift @{$config{defines}}, "DSO_$target{dso_scheme}";
953 $config{ex_libs}="$libs$config{ex_libs}" if ($libs ne "");
959 @{$config{defines}} = grep !/^[BL]_ENDIAN$/, @{$config{defines}};
960 @{$target{defines}} = grep !/^[BL]_ENDIAN$/, @{$target{defines}};
964 # If threads aren't disabled, check how possible they are
965 unless ($disabled{threads}) {
967 # Enabled by default, disable it forcibly if unavailable
968 if ($target{thread_scheme} eq "(unknown)") {
969 $disabled{threads} = "unavailable";
972 # The user chose to enable threads explicitely, let's see
973 # if there's a chance that's possible
974 if ($target{thread_scheme} eq "(unknown)") {
975 # If the user asked for "threads" and we don't have internal
976 # knowledge how to do it, [s]he is expected to provide any
977 # system-dependent compiler options that are necessary. We
978 # can't truly check that the given options are correct, but
979 # we expect the user to know what [s]He is doing.
980 if ($no_user_cflags && $no_user_defines) {
981 die "You asked for multi-threading support, but didn't\n"
982 ,"provide any system-specific compiler options\n";
988 # If threads still aren't disabled, add a C macro to ensure the source
989 # code knows about it. Any other flag is taken care of by the configs.
990 unless($disabled{threads}) {
991 foreach (("defines", "openssl_thread_defines")) {
992 push @{$config{$_}}, "OPENSSL_THREADS";
996 # With "deprecated" disable all deprecated features.
997 if (defined($disabled{"deprecated"})) {
998 $config{api} = $maxapi;
1001 if ($target{shared_target} eq "")
1004 if ((!$disabled{shared} || !$disabled{"dynamic-engine"})
1006 $disabled{shared} = "no-shared-target";
1007 $disabled{pic} = $disabled{shared} = $disabled{"dynamic-engine"} =
1011 if ($disabled{"dynamic-engine"}) {
1012 push @{$config{defines}}, "OPENSSL_NO_DYNAMIC_ENGINE";
1013 $config{dynamic_engines} = 0;
1015 push @{$config{defines}}, "OPENSSL_NO_STATIC_ENGINE";
1016 $config{dynamic_engines} = 1;
1023 # This saves the build files from having to check
1026 $target{shared_cflag} = $target{shared_ldflag} =
1027 $target{shared_rcflag} = "";
1031 push @{$config{defines}}, "OPENSSL_PIC";
1034 if ($target{sys_id} ne "")
1036 push @{$config{openssl_sys_defines}}, "OPENSSL_SYS_$target{sys_id}";
1039 unless ($disabled{asm}) {
1040 $target{cpuid_asm_src}=$table{DEFAULTS}->{cpuid_asm_src} if ($config{processor} eq "386");
1041 $target{bn_asm_src} =~ s/\w+-gf2m.c// if (defined($disabled{ec2m}));
1043 # bn-586 is the only one implementing bn_*_part_words
1044 push @{$config{defines}}, "OPENSSL_BN_ASM_PART_WORDS" if ($target{bn_asm_src} =~ /bn-586/);
1045 push @{$config{defines}}, "OPENSSL_IA32_SSE2" if (!$no_sse2 && $target{bn_asm_src} =~ /86/);
1047 push @{$config{defines}}, "OPENSSL_BN_ASM_MONT" if ($target{bn_asm_src} =~ /-mont/);
1048 push @{$config{defines}}, "OPENSSL_BN_ASM_MONT5" if ($target{bn_asm_src} =~ /-mont5/);
1049 push @{$config{defines}}, "OPENSSL_BN_ASM_GF2m" if ($target{bn_asm_src} =~ /-gf2m/);
1051 if ($config{fips}) {
1052 push @{$config{openssl_other_defines}}, "OPENSSL_FIPS";
1055 if ($target{sha1_asm_src}) {
1056 push @{$config{defines}}, "SHA1_ASM" if ($target{sha1_asm_src} =~ /sx86/ || $target{sha1_asm_src} =~ /sha1/);
1057 push @{$config{defines}}, "SHA256_ASM" if ($target{sha1_asm_src} =~ /sha256/);
1058 push @{$config{defines}}, "SHA512_ASM" if ($target{sha1_asm_src} =~ /sha512/);
1060 if ($target{md5_asm_src}) {
1061 push @{$config{defines}}, "MD5_ASM";
1063 $target{cast_asm_src}=$table{DEFAULTS}->{cast_asm_src} unless $disabled{pic}; # CAST assembler is not PIC
1064 if ($target{rmd160_asm_src}) {
1065 push @{$config{defines}}, "RMD160_ASM";
1067 if ($target{aes_asm_src}) {
1068 push @{$config{defines}}, "AES_ASM" if ($target{aes_asm_src} =~ m/\baes-/);;
1069 # aes-ctr.fake is not a real file, only indication that assembler
1070 # module implements AES_ctr32_encrypt...
1071 push @{$config{defines}}, "AES_CTR_ASM" if ($target{aes_asm_src} =~ s/\s*aes-ctr\.fake//);
1072 # aes-xts.fake indicates presence of AES_xts_[en|de]crypt...
1073 push @{$config{defines}}, "AES_XTS_ASM" if ($target{aes_asm_src} =~ s/\s*aes-xts\.fake//);
1074 $target{aes_asm_src} =~ s/\s*(vpaes|aesni)-x86\.s//g if ($no_sse2);
1075 push @{$config{defines}}, "VPAES_ASM" if ($target{aes_asm_src} =~ m/vpaes/);
1076 push @{$config{defines}}, "BSAES_ASM" if ($target{aes_asm_src} =~ m/bsaes/);
1078 if ($target{wp_asm_src} =~ /mmx/) {
1079 if ($config{processor} eq "386") {
1080 $target{wp_asm_src}=$table{DEFAULTS}->{wp_asm_src};
1081 } elsif (!$disabled{"whirlpool"}) {
1082 push @{$config{defines}}, "WHIRLPOOL_ASM";
1085 if ($target{modes_asm_src} =~ /ghash-/) {
1086 push @{$config{defines}}, "GHASH_ASM";
1088 if ($target{ec_asm_src} =~ /ecp_nistz256/) {
1089 push @{$config{defines}}, "ECP_NISTZ256_ASM";
1091 if ($target{poly1305_asm_src} ne "") {
1092 push @{$config{defines}}, "POLY1305_ASM";
1096 my $ecc = $target{cc};
1097 if ($^O ne "VMS" && !$disabled{makedepend}) {
1098 # Is the compiler gcc or clang? $ecc is used below to see if
1099 # error-checking can be turned on.
1100 my $ccpcc = "$config{cross_compile_prefix}$target{cc}";
1101 open(PIPE, "$ccpcc --version 2>&1 |");
1104 # Find the version number and save the major.
1105 m|(?:.*)\b(\d+)\.\d+\.\d+\b(?:.*)|;
1106 my $compiler_major = $1;
1107 # We know that GNU C version 3 and up as well as all clang
1108 # versions support dependency generation
1109 $config{makedepprog} = $ccpcc
1110 if (/clang/ || (/gcc/ && $compiler_major > 3));
1111 $ecc = "clang" if /clang/;
1112 $ecc = "gcc" if /gcc/;
1113 last if ($config{makedepprog} || !$lines--);
1117 $config{makedepprog} = which('makedepend') unless $config{makedepprog};
1118 $disabled{makedepend} = "unavailable" unless $config{makedepprog};
1123 # Deal with bn_ops ###################################################
1126 $config{export_var_as_fn} =0;
1127 my $def_int="unsigned int";
1128 $config{rc4_int} =$def_int;
1129 ($config{b64l},$config{b64},$config{b32})=(0,0,1);
1132 foreach (sort split(/\s+/,$target{bn_ops})) {
1133 $count++ if /SIXTY_FOUR_BIT|SIXTY_FOUR_BIT_LONG|THIRTY_TWO_BIT/;
1134 $config{export_var_as_fn}=1 if $_ eq 'EXPORT_VAR_AS_FN';
1135 $config{bn_ll}=1 if $_ eq 'BN_LLONG';
1136 $config{rc4_int}="unsigned char" if $_ eq 'RC4_CHAR';
1137 ($config{b64l},$config{b64},$config{b32})
1138 =(0,1,0) if $_ eq 'SIXTY_FOUR_BIT';
1139 ($config{b64l},$config{b64},$config{b32})
1140 =(1,0,0) if $_ eq 'SIXTY_FOUR_BIT_LONG';
1141 ($config{b64l},$config{b64},$config{b32})
1142 =(0,0,1) if $_ eq 'THIRTY_TWO_BIT';
1144 die "Exactly one of SIXTY_FOUR_BIT|SIXTY_FOUR_BIT_LONG|THIRTY_TWO_BIT can be set in bn_ops\n"
1148 # Hack cflags for better warnings (dev option) #######################
1150 # "Stringify" the C flags string. This permits it to be made part of a string
1151 # and works as well on command lines.
1152 $config{cflags} =~ s/([\\\"])/\\$1/g;
1154 if (defined($config{api})) {
1155 $config{openssl_api_defines} = [ "OPENSSL_MIN_API=".$apitable->{$config{api}} ];
1156 my $apiflag = sprintf("OPENSSL_API_COMPAT=%s", $apitable->{$config{api}});
1157 push @{$config{defines}}, $apiflag;
1160 if ($strict_warnings)
1163 die "ERROR --strict-warnings requires gcc or clang"
1164 unless $ecc eq 'gcc' || $ecc eq 'clang';
1165 foreach $wopt (split /\s+/, $gcc_devteam_warn)
1167 $config{cflags} .= " $wopt" unless ($config{cflags} =~ /(?:^|\s)$wopt(?:\s|$)/)
1169 if ($ecc eq "clang")
1171 foreach $wopt (split /\s+/, $clang_devteam_warn)
1173 $config{cflags} .= " $wopt" unless ($config{cflags} =~ /(?:^|\s)$wopt(?:\s|$)/)
1178 unless ($disabled{"crypto-mdebug-backtrace"})
1180 foreach my $wopt (split /\s+/, $memleak_devteam_backtrace)
1182 $config{cflags} .= " $wopt" unless ($config{cflags} =~ /(?:^|\s)$wopt(?:\s|$)/)
1184 if ($target =~ /^BSD-/)
1186 $config{ex_libs} .= " -lexecinfo";
1190 if ($user_cflags ne "") { $config{cflags}="$config{cflags}$user_cflags"; }
1191 else { $no_user_cflags=1; }
1192 if (@user_defines) { $config{defines}=[ @{$config{defines}}, @user_defines ]; }
1193 else { $no_user_defines=1; }
1195 # ALL MODIFICATIONS TO %config and %target MUST BE DONE FROM HERE ON
1197 unless ($disabled{afalgeng}) {
1198 $config{afalgeng}="";
1199 if ($target =~ m/^linux/) {
1200 my $minver = 4*10000 + 1*100 + 0;
1201 if ($config{cross_compile_prefix} eq "") {
1202 my $verstr = `uname -r`;
1203 my ($ma, $mi1, $mi2) = split("\\.", $verstr);
1204 ($mi2) = $mi2 =~ /(\d+)/;
1205 my $ver = $ma*10000 + $mi1*100 + $mi2;
1206 if ($ver < $minver) {
1207 $disabled{afalgeng} = "too-old-kernel";
1209 push @{$config{engdirs}}, "afalg";
1212 $disabled{afalgeng} = "cross-compiling";
1215 $disabled{afalgeng} = "not-linux";
1219 push @{$config{openssl_other_defines}}, "OPENSSL_NO_AFALGENG" if ($disabled{afalgeng});
1221 # If we use the unified build, collect information from build.info files
1222 my %unified_info = ();
1224 my $buildinfo_debug = defined($ENV{CONFIGURE_DEBUG_BUILDINFO});
1225 if ($builder eq "unified") {
1226 # Store the name of the template file we will build the build file from
1227 # in %config. This may be useful for the build file itself.
1228 my $build_file_template =
1229 catfile($srcdir, "Configurations",
1230 $builder_platform."-".$target{build_file}.".tmpl");
1231 $build_file_template =
1232 catfile($srcdir, "Configurations", $target{build_file}.".tmpl")
1233 if (! -f $build_file_template);
1234 $config{build_file_template} = $build_file_template;
1236 use lib catdir(dirname(__FILE__),"util");
1237 use with_fallback qw(Text::Template);
1242 my $relativeto = shift || ".";
1244 $dir = catdir($base,$dir) unless isabsolute($dir);
1246 # Make sure the directories we're building in exists
1249 my $res = abs2rel(absolutedir($dir), rel2abs($relativeto));
1250 #print STDERR "DEBUG[cleandir]: $dir , $base => $res\n";
1257 my $relativeto = shift || ".";
1259 $file = catfile($base,$file) unless isabsolute($file);
1261 my $d = dirname($file);
1262 my $f = basename($file);
1264 # Make sure the directories we're building in exists
1267 my $res = abs2rel(catfile(absolutedir($d), $f), rel2abs($relativeto));
1268 #print STDERR "DEBUG[cleanfile]: $d , $f => $res\n";
1272 my @build_infos = ( [ ".", "build.info" ] );
1273 foreach (@{$config{dirs}}) {
1274 push @build_infos, [ $_, "build.info" ]
1275 if (-f catfile($srcdir, $_, "build.info"));
1277 foreach (@{$config{sdirs}}) {
1278 push @build_infos, [ catdir("crypto", $_), "build.info" ]
1279 if (-f catfile($srcdir, "crypto", $_, "build.info"));
1281 foreach (@{$config{engdirs}}) {
1282 push @build_infos, [ catdir("engines", $_), "build.info" ]
1283 if (-f catfile($srcdir, "engines", $_, "build.info"));
1286 $config{build_infos} = [ ];
1288 foreach (@build_infos) {
1289 my $sourced = catdir($srcdir, $_->[0]);
1290 my $buildd = catdir($blddir, $_->[0]);
1295 # The basic things we're trying to build
1302 my @intermediates = ();
1310 my %sharednames = ();
1313 push @{$config{build_infos}}, catfile(abs2rel($sourced, $blddir), $f);
1314 my $template = Text::Template->new(TYPE => 'FILE',
1315 SOURCE => catfile($sourced, $f));
1316 die "Something went wrong with $sourced/$f: $!\n" unless $template;
1319 $template->fill_in(HASH => { config => \%config,
1321 disabled => \%disabled,
1322 builddir => abs2rel($buildd, $blddir),
1323 sourcedir => abs2rel($sourced, $blddir),
1324 buildtop => abs2rel($blddir, $blddir),
1325 sourcetop => abs2rel($srcdir, $blddir) },
1326 DELIMITERS => [ "{-", "-}" ]);
1328 # The top item of this stack has the following values
1329 # -2 positive already run and we found ELSE (following ELSIF should fail)
1330 # -1 positive already run (skip until ENDIF)
1331 # 0 negatives so far (if we're at a condition, check it)
1332 # 1 last was positive (don't skip lines until next ELSE, ELSIF or ENDIF)
1333 # 2 positive ELSE (following ELSIF should fail)
1335 collect_information(
1336 collect_from_array([ @text ],
1337 qr/\\$/ => sub { my $l1 = shift; my $l2 = shift;
1338 $l1 =~ s/\\$//; $l1.$l2 }),
1339 # Info we're looking for
1340 qr/^\s*IF\[((?:\\.|[^\\\]])*)\]\s*$/
1342 if (! @skip || $skip[$#skip] > 0) {
1348 qr/^\s*ELSIF\[((?:\\.|[^\\\]])*)\]\s*$/
1349 => sub { die "ELSIF out of scope" if ! @skip;
1350 die "ELSIF following ELSE" if abs($skip[$#skip]) == 2;
1351 $skip[$#skip] = -1 if $skip[$#skip] != 0;
1352 $skip[$#skip] = !! $1
1353 if $skip[$#skip] == 0; },
1355 => sub { die "ELSE out of scope" if ! @skip;
1356 $skip[$#skip] = -2 if $skip[$#skip] != 0;
1357 $skip[$#skip] = 2 if $skip[$#skip] == 0; },
1359 => sub { die "ENDIF out of scope" if ! @skip;
1361 qr/^\s*PROGRAMS\s*=\s*(.*)\s*$/
1362 => sub { push @programs, split(/\s+/, $1)
1363 if !@skip || $skip[$#skip] > 0 },
1364 qr/^\s*LIBS\s*=\s*(.*)\s*$/
1365 => sub { push @libraries, split(/\s+/, $1)
1366 if !@skip || $skip[$#skip] > 0 },
1367 qr/^\s*ENGINES\s*=\s*(.*)\s*$/
1368 => sub { push @engines, split(/\s+/, $1)
1369 if !@skip || $skip[$#skip] > 0 },
1370 qr/^\s*SCRIPTS\s*=\s*(.*)\s*$/
1371 => sub { push @scripts, split(/\s+/, $1)
1372 if !@skip || $skip[$#skip] > 0 },
1373 qr/^\s*EXTRA\s*=\s*(.*)\s*$/
1374 => sub { push @extra, split(/\s+/, $1)
1375 if !@skip || $skip[$#skip] > 0 },
1376 qr/^\s*OVERRIDES\s*=\s*(.*)\s*$/
1377 => sub { push @overrides, split(/\s+/, $1)
1378 if !@skip || $skip[$#skip] > 0 },
1380 qr/^\s*ORDINALS\[((?:\\.|[^\\\]])+)\]\s*=\s*(.*)\s*$/,
1381 => sub { push @{$ordinals{$1}}, split(/\s+/, $2)
1382 if !@skip || $skip[$#skip] > 0 },
1383 qr/^\s*SOURCE\[((?:\\.|[^\\\]])+)\]\s*=\s*(.*)\s*$/
1384 => sub { push @{$sources{$1}}, split(/\s+/, $2)
1385 if !@skip || $skip[$#skip] > 0 },
1386 qr/^\s*INCLUDE\[((?:\\.|[^\\\]])+)\]\s*=\s*(.*)\s*$/
1387 => sub { push @{$includes{$1}}, split(/\s+/, $2)
1388 if !@skip || $skip[$#skip] > 0 },
1389 qr/^\s*DEPEND\[((?:\\.|[^\\\]])+)\]\s*=\s*(.*)\s*$/
1390 => sub { push @{$depends{$1}}, split(/\s+/, $2)
1391 if !@skip || $skip[$#skip] > 0 },
1392 qr/^\s*GENERATE\[((?:\\.|[^\\\]])+)\]\s*=\s*(.*)\s*$/
1393 => sub { push @{$generate{$1}}, $2
1394 if !@skip || $skip[$#skip] > 0 },
1395 qr/^\s*RENAME\[((?:\\.|[^\\\]])+)\]\s*=\s*(.*)\s*$/
1396 => sub { push @{$renames{$1}}, split(/\s+/, $2)
1397 if !@skip || $skip[$#skip] > 0 },
1398 qr/^\s*SHARED_NAME\[((?:\\.|[^\\\]])+)\]\s*=\s*(.*)\s*$/
1399 => sub { push @{$sharednames{$1}}, split(/\s+/, $2)
1400 if !@skip || $skip[$#skip] > 0 },
1401 qr/^\s*BEGINRAW\[((?:\\.|[^\\\]])+)\]\s*$/
1403 my $lineiterator = shift;
1404 my $target_kind = $1;
1405 while (defined $lineiterator->()) {
1407 if (/^\s*ENDRAW\[((?:\\.|[^\\\]])+)\]\s*$/) {
1408 die "ENDRAW doesn't match BEGINRAW"
1409 if $1 ne $target_kind;
1412 next if @skip && $skip[$#skip] <= 0;
1414 if ($target_kind eq $target{build_file}
1415 || $target_kind eq $target{build_file}."(".$builder_platform.")");
1418 qr/^(?:#.*|\s*)$/ => sub { },
1419 "OTHERWISE" => sub { die "Something wrong with this line:\n$_\nat $sourced/$f" },
1421 if ($buildinfo_debug) {
1422 print STDERR "DEBUG: Parsing ",join(" ", @_),"\n";
1423 print STDERR "DEBUG: ... before parsing, skip stack is ",join(" ", map { int($_) } @skip),"\n";
1427 if ($buildinfo_debug) {
1428 print STDERR "DEBUG: .... after parsing, skip stack is ",join(" ", map { int($_) } @skip),"\n";
1432 die "runaway IF?" if (@skip);
1434 foreach (keys %renames) {
1435 die "$_ renamed to more than one thing: "
1436 ,join(" ", @{$renames{$_}}),"\n"
1437 if scalar @{$renames{$_}} > 1;
1438 my $dest = cleanfile($buildd, $_, $blddir);
1439 my $to = cleanfile($buildd, $renames{$_}->[0], $blddir);
1440 die "$dest renamed to more than one thing: "
1441 ,$unified_info{rename}->{$dest}, $to
1442 unless !defined($unified_info{rename}->{$dest})
1443 or $unified_info{rename}->{$dest} eq $to;
1444 $unified_info{rename}->{$dest} = $to;
1447 foreach (@programs) {
1448 my $program = cleanfile($buildd, $_, $blddir);
1449 if ($unified_info{rename}->{$program}) {
1450 $program = $unified_info{rename}->{$program};
1452 $unified_info{programs}->{$program} = 1;
1455 foreach (@libraries) {
1456 my $library = cleanfile($buildd, $_, $blddir);
1457 if ($unified_info{rename}->{$library}) {
1458 $library = $unified_info{rename}->{$library};
1460 $unified_info{libraries}->{$library} = 1;
1463 die <<"EOF" if scalar @engines and !$config{dynamic_engines};
1464 ENGINES can only be used if configured with 'dynamic-engine'.
1465 This is usually a fault in a build.info file.
1467 foreach (@engines) {
1468 my $library = cleanfile($buildd, $_, $blddir);
1469 if ($unified_info{rename}->{$library}) {
1470 $library = $unified_info{rename}->{$library};
1472 $unified_info{engines}->{$library} = 1;
1475 foreach (@scripts) {
1476 my $script = cleanfile($buildd, $_, $blddir);
1477 if ($unified_info{rename}->{$script}) {
1478 $script = $unified_info{rename}->{$script};
1480 $unified_info{scripts}->{$script} = 1;
1484 my $extra = cleanfile($buildd, $_, $blddir);
1485 $unified_info{extra}->{$extra} = 1;
1488 foreach (@overrides) {
1489 my $override = cleanfile($buildd, $_, $blddir);
1490 $unified_info{overrides}->{$override} = 1;
1493 push @{$unified_info{rawlines}}, @rawlines;
1495 unless ($disabled{shared}) {
1496 # Check sharednames.
1497 foreach (keys %sharednames) {
1498 my $dest = cleanfile($buildd, $_, $blddir);
1499 if ($unified_info{rename}->{$dest}) {
1500 $dest = $unified_info{rename}->{$dest};
1502 die "shared_name for $dest with multiple values: "
1503 ,join(" ", @{$sharednames{$_}}),"\n"
1504 if scalar @{$sharednames{$_}} > 1;
1505 my $to = cleanfile($buildd, $sharednames{$_}->[0], $blddir);
1506 die "shared_name found for a library $dest that isn't defined\n"
1507 unless $unified_info{libraries}->{$dest};
1508 die "shared_name for $dest with multiple values: "
1509 ,$unified_info{sharednames}->{$dest}, ", ", $to
1510 unless !defined($unified_info{sharednames}->{$dest})
1511 or $unified_info{sharednames}->{$dest} eq $to;
1512 $unified_info{sharednames}->{$dest} = $to;
1515 # Additionally, we set up sharednames for libraries that don't
1516 # have any, as themselves.
1517 foreach (keys %{$unified_info{libraries}}) {
1518 if (!defined $unified_info{sharednames}->{$_}) {
1519 $unified_info{sharednames}->{$_} = $_
1524 foreach (keys %ordinals) {
1526 my $ddest = cleanfile($buildd, $_, $blddir);
1527 if ($unified_info{rename}->{$ddest}) {
1528 $ddest = $unified_info{rename}->{$ddest};
1530 foreach (@{$ordinals{$dest}}) {
1531 my %known_ordinals =
1534 cleanfile($sourced, catfile("util", "libcrypto.num"), $blddir),
1536 cleanfile($sourced, catfile("util", "libssl.num"), $blddir)
1538 my $o = $known_ordinals{$_};
1539 die "Ordinals for $ddest defined more than once\n"
1540 if $unified_info{ordinals}->{$ddest};
1541 $unified_info{ordinals}->{$ddest} = [ $_, $o ];
1545 foreach (keys %sources) {
1547 my $ddest = cleanfile($buildd, $_, $blddir);
1548 if ($unified_info{rename}->{$ddest}) {
1549 $ddest = $unified_info{rename}->{$ddest};
1551 foreach (@{$sources{$dest}}) {
1552 my $s = cleanfile($sourced, $_, $blddir);
1554 # If it isn't in the source tree, we assume it's generated
1557 $s = cleanfile($buildd, $_, $blddir);
1559 # We recognise C and asm files
1560 if ($s =~ /\.[csS]\b$/) {
1561 (my $o = $_) =~ s/\.[csS]\b$/.o/;
1562 $o = cleanfile($buildd, $o, $blddir);
1563 $unified_info{sources}->{$ddest}->{$o} = 1;
1564 $unified_info{sources}->{$o}->{$s} = 1;
1566 $unified_info{sources}->{$ddest}->{$s} = 1;
1571 foreach (keys %generate) {
1573 my $ddest = cleanfile($buildd, $_, $blddir);
1574 if ($unified_info{rename}->{$ddest}) {
1575 $ddest = $unified_info{rename}->{$ddest};
1577 die "more than one generator for $dest: "
1578 ,join(" ", @{$generate{$_}}),"\n"
1579 if scalar @{$generate{$_}} > 1;
1580 my @generator = split /\s+/, $generate{$dest}->[0];
1581 $generator[0] = cleanfile($sourced, $generator[0], $blddir),
1582 $unified_info{generate}->{$ddest} = [ @generator ];
1585 foreach (keys %depends) {
1587 my $ddest = cleanfile($buildd, $_, $blddir);
1588 if ($unified_info{rename}->{$ddest}) {
1589 $ddest = $unified_info{rename}->{$ddest};
1591 foreach (@{$depends{$dest}}) {
1592 my $d = cleanfile($sourced, $_, $blddir);
1594 # If we know it's generated, or assume it is because we can't
1595 # find it in the source tree, we set file we depend on to be
1596 # in the build tree rather than the source tree, and assume
1597 # and that there are lines to build it in a BEGINRAW..ENDRAW
1598 # section or in the Makefile template.
1600 || !(grep { $d eq $_ }
1601 map { cleanfile($srcdir, $_, $blddir) }
1602 (@generated_headers, @generated_by_make_headers))) {
1603 $d = cleanfile($buildd, $_, $blddir);
1605 # Take note if the file to depend on is being renamed
1606 if ($unified_info{rename}->{$d}) {
1607 $d = $unified_info{rename}->{$d};
1609 $unified_info{depends}->{$ddest}->{$d} = 1;
1610 # If we depend on a header file, let's make sure it
1613 my $i = dirname($d);
1614 push @{$unified_info{includes}->{$ddest}}, $i
1615 unless grep { $_ eq $i } @{$unified_info{includes}->{$ddest}};
1620 foreach (keys %includes) {
1622 my $ddest = cleanfile($buildd, $_, $blddir);
1623 if ($unified_info{rename}->{$ddest}) {
1624 $ddest = $unified_info{rename}->{$ddest};
1626 foreach (@{$includes{$dest}}) {
1627 my $i = cleandir($sourced, $_, $blddir);
1628 push @{$unified_info{includes}->{$ddest}}, $i
1629 unless grep { $_ eq $i } @{$unified_info{includes}->{$ddest}};
1634 ### Make unified_info a bit more efficient
1635 # One level structures
1636 foreach (("programs", "libraries", "engines", "scripts", "extra", "overrides")) {
1637 $unified_info{$_} = [ sort keys %{$unified_info{$_}} ];
1639 # Two level structures
1640 foreach my $l1 (("sources", "ldadd", "depends")) {
1641 foreach my $l2 (sort keys %{$unified_info{$l1}}) {
1642 $unified_info{$l1}->{$l2} =
1643 [ sort keys %{$unified_info{$l1}->{$l2}} ];
1648 # For the schemes that need it, we provide the old *_obj configs
1649 # from the *_asm_obj ones
1650 foreach (grep /_(asm|aux)_src$/, keys %target) {
1652 (my $obj = $_) =~ s/_(asm|aux)_src$/_obj/;
1653 ($target{$obj} = $target{$src}) =~ s/\.[csS]\b/.o/g;
1656 # Write down our configuration where it fits #########################
1658 open(OUT,">configdata.pm") || die "unable to create configdata.pm: $!\n";
1666 #use vars qw(\@ISA \@EXPORT);
1667 our \@ISA = qw(Exporter);
1668 our \@EXPORT = qw(\%config \%target %disabled %withargs %unified_info);
1671 print OUT "our %config = (\n";
1672 foreach (sort keys %config) {
1673 if (ref($config{$_}) eq "ARRAY") {
1674 print OUT " ", $_, " => [ ", join(", ",
1675 map { quotify("perl", $_) }
1676 @{$config{$_}}), " ],\n";
1678 print OUT " ", $_, " => ", quotify("perl", $config{$_}), ",\n"
1685 print OUT "our %target = (\n";
1686 foreach (sort keys %target) {
1687 if (ref($target{$_}) eq "ARRAY") {
1688 print OUT " ", $_, " => [ ", join(", ",
1689 map { quotify("perl", $_) }
1690 @{$target{$_}}), " ],\n";
1692 print OUT " ", $_, " => ", quotify("perl", $target{$_}), ",\n"
1699 print OUT "our \%available_protocols = (\n";
1700 print OUT " tls => [ ", join(", ", map { quotify("perl", $_) } @tls), " ],\n";
1701 print OUT " dtls => [ ", join(", ", map { quotify("perl", $_) } @dtls), " ],\n";
1706 print OUT "our \%disabled = (\n";
1707 foreach (sort keys %disabled) {
1708 print OUT " ", quotify("perl", $_), " => ", quotify("perl", $disabled{$_}), ",\n";
1714 print OUT "our %withargs = (\n";
1715 foreach (sort keys %withargs) {
1716 if (ref($withargs{$_}) eq "ARRAY") {
1717 print OUT " ", $_, " => [ ", join(", ",
1718 map { quotify("perl", $_) }
1719 @{$withargs{$_}}), " ],\n";
1721 print OUT " ", $_, " => ", quotify("perl", $withargs{$_}), ",\n"
1728 if ($builder eq "unified") {
1733 if (ref $_ eq "ARRAY") {
1734 print OUT " "x$indent, "[\n";
1736 $recurse->($indent + 4, $_);
1738 print OUT " "x$indent, "],\n";
1739 } elsif (ref $_ eq "HASH") {
1741 print OUT " "x$indent, "{\n";
1742 foreach (sort keys %h) {
1743 if (ref $h{$_} eq "") {
1744 print OUT " "x($indent + 4), quotify("perl", $_), " => ", quotify("perl", $h{$_}), ",\n";
1746 print OUT " "x($indent + 4), quotify("perl", $_), " =>\n";
1747 $recurse->($indent + 8, $h{$_});
1750 print OUT " "x$indent, "},\n";
1752 print OUT " "x$indent, quotify("perl", $_), ",\n";
1756 print OUT "our %unified_info = (\n";
1757 foreach (sort keys %unified_info) {
1758 if (ref $unified_info{$_} eq "") {
1759 print OUT " "x4, quotify("perl", $_), " => ", quotify("perl", $unified_info{$_}), ",\n";
1761 print OUT " "x4, quotify("perl", $_), " =>\n";
1762 $recurse->(8, $unified_info{$_});
1774 print "IsMK1MF =", ($builder eq "mk1mf" ? "yes" : "no"), "\n";
1775 print "CC =$target{cc}\n";
1776 print "CFLAG =$target{cflags} $config{cflags}\n";
1777 print "SHARED_CFLAG =$target{shared_cflag}\n";
1778 print "DEFINES =",join(" ", @{$target{defines}}, @{$config{defines}}),"\n";
1779 print "LFLAG =$target{lflags}\n";
1780 print "PLIB_LFLAG =$target{plib_lflags}\n";
1781 print "EX_LIBS =$target{ex_libs} $config{ex_libs}\n";
1782 print "APPS_OBJ =$target{apps_obj}\n";
1783 print "CPUID_OBJ =$target{cpuid_obj}\n";
1784 print "UPLINK_OBJ =$target{uplink_obj}\n";
1785 print "BN_ASM =$target{bn_obj}\n";
1786 print "EC_ASM =$target{ec_obj}\n";
1787 print "DES_ENC =$target{des_obj}\n";
1788 print "AES_ENC =$target{aes_obj}\n";
1789 print "BF_ENC =$target{bf_obj}\n";
1790 print "CAST_ENC =$target{cast_obj}\n";
1791 print "RC4_ENC =$target{rc4_obj}\n";
1792 print "RC5_ENC =$target{rc5_obj}\n";
1793 print "MD5_OBJ_ASM =$target{md5_obj}\n";
1794 print "SHA1_OBJ_ASM =$target{sha1_obj}\n";
1795 print "RMD160_OBJ_ASM=$target{rmd160_obj}\n";
1796 print "CMLL_ENC =$target{cmll_obj}\n";
1797 print "MODES_OBJ =$target{modes_obj}\n";
1798 print "PADLOCK_OBJ =$target{padlock_obj}\n";
1799 print "CHACHA_ENC =$target{chacha_obj}\n";
1800 print "POLY1305_OBJ =$target{poly1305_obj}\n";
1801 print "BLAKE2_OBJ =$target{blake2_obj}\n";
1802 print "PROCESSOR =$config{processor}\n";
1803 print "RANLIB =$target{ranlib}\n";
1804 print "ARFLAGS =$target{arflags}\n";
1805 print "PERL =$config{perl}\n";
1807 print "SIXTY_FOUR_BIT_LONG mode\n" if $config{b64l};
1808 print "SIXTY_FOUR_BIT mode\n" if $config{b64};
1809 print "THIRTY_TWO_BIT mode\n" if $config{b32};
1810 print "BN_LLONG mode\n" if $config{bn_ll};
1811 print "RC4 uses $config{rc4_int}\n" if $config{rc4_int} ne $def_int;
1813 for (@generated_headers) {
1814 mkpath(catdir($blddir, dirname($_)));
1815 run_dofile(catfile($blddir, $_),
1816 catfile($srcdir, $_.".in"));
1820 ### When the old "unixmake" scheme goes away, so does this function
1822 sub build_Makefile {
1823 run_dofile("Makefile","Makefile.in");
1825 # Copy all Makefile.in to Makefile (except top-level)
1834 return if ($_ ne "Makefile.in" || $File::Find::dir eq ".");
1835 my $in = IO::File->new($_, "r") or
1836 die sprintf "Error reading Makefile.in in %s: !$\n",
1838 my $out = IO::File->new("Makefile", "w") or
1839 die sprintf "Error writing Makefile in %s: !$\n",
1841 print $out "# Generated from $_, do not edit\n";
1842 while (my $line = <$in>) { print $out $line }
1844 die sprintf "Error reading Makefile.in in %s: !$\n",
1847 die sprintf "Error writing Makefile in %s: !$\n",
1856 run_dofile(catfile($blddir, $target{build_file}),
1857 $config{build_file_template},
1858 catfile($srcdir, "Configurations", "common.tmpl"));
1863 run_dofile("util/domd", "util/domd.in");
1864 chmod 0755, "util/domd";
1867 my $platform = shift;
1868 # The only reason we do this is to have something to build MINFO from
1871 # create the ms/version32.rc file if needed
1872 if ($platform ne "netware") {
1873 my ($v1, $v2, $v3, $v4);
1874 if ($config{version_num} =~ /^0x([0-9a-f]{1})([0-9a-f]{2})([0-9a-f]{2})([0-9a-f]{2})([0-9a-f]{1})L$/i) {
1880 open (OUT,">ms/version32.rc") || die "Can't open ms/version32.rc";
1887 FILEVERSION $v1,$v2,$v3,$v4
1888 PRODUCTVERSION $v1,$v2,$v3,$v4
1895 FILEOS VOS__WINDOWS32
1899 BLOCK "StringFileInfo"
1904 VALUE "CompanyName", "The OpenSSL Project, http://www.openssl.org/\\0"
1905 VALUE "FileDescription", "OpenSSL Shared Library\\0"
1906 VALUE "FileVersion", "$config{version}\\0"
1908 VALUE "InternalName", "libcrypto32\\0"
1909 VALUE "OriginalFilename", "libcrypto32.dll\\0"
1911 VALUE "InternalName", "libssl32\\0"
1912 VALUE "OriginalFilename", "libssl32.dll\\0"
1914 VALUE "ProductName", "The OpenSSL Toolkit\\0"
1915 VALUE "ProductVersion", "$config{version}\\0"
1917 //VALUE "Comments", "\\0"
1918 VALUE "LegalCopyright", "Copyright © 1998-2015 The OpenSSL Project. Copyright © 1995-1998 Eric A. Young, Tim J. Hudson. All rights reserved.\\0"
1919 //VALUE "LegalTrademarks", "\\0"
1920 //VALUE "PrivateBuild", "\\0"
1921 //VALUE "SpecialBuild", "\\0"
1926 VALUE "Translation", 0x409, 0x4b0
1935 $builders{$builder}->($builder_platform, @builder_opts);
1939 Configured for $target.
1942 print <<"EOF" if ($disabled{threads} eq "unavailable");
1944 The library could not be configured for supporting multi-threaded
1945 applications as the compiler options required on this system are not known.
1946 See file INSTALL for details if you need multi-threading.
1949 print <<"EOF" if ($no_shared_warn);
1951 The options 'shared', 'pic' and 'dynamic-engine' aren't supported on this
1952 platform, so we will pretend you gave the option 'no-pic', which also disables
1953 'shared' and 'dynamic-engine'. If you know how to implement shared libraries
1954 or position independent code, please let us know (but please first make sure
1955 you have tried with a current version of OpenSSL).
1960 ######################################################################
1962 # Helpers and utility functions
1965 # Configuration file reading #########################################
1967 # Helper function to implement conditional inheritance depending on the
1968 # value of $disabled{asm}. Used in inherit_from values as follows:
1970 # inherit_from => [ "template", asm("asm_tmpl") ]
1975 $disabled{asm} ? () : @x;
1979 our $add_called = 0;
1980 # Helper function to implement adding values to already existing configuration
1981 # values. It handles elements that are ARRAYs, CODEs and scalars
1983 my $separator = shift;
1985 # If there's any ARRAY in the collection of values OR the separator
1986 # is undef, we will return an ARRAY of combined values, otherwise a
1987 # string of joined values with $separator as the separator.
1988 my $found_array = !defined($separator);
1993 while (ref($res) eq "CODE") {
1996 if (defined($res)) {
1997 if (ref($res) eq "ARRAY") {
2013 join($separator, grep { defined($_) && $_ ne "" } @values);
2017 my $separator = " ";
2018 if (ref($_[$#_]) eq "HASH") {
2020 $separator = $opts->{separator};
2023 sub { _add($separator, @x, @_) };
2026 my $separator = " ";
2027 if (ref($_[$#_]) eq "HASH") {
2029 $separator = $opts->{separator};
2032 sub { _add($separator, @_, @x) };
2035 # configuration reader, evaluates the input file as a perl script and expects
2036 # it to fill %targets with target configurations. Those are then added to
2040 open(CONFFILE, "< $fname")
2041 or die "Can't open configuration file '$fname'!\n";
2044 my $content = <CONFFILE>;
2049 local %table = %::table; # Protect %table from tampering
2055 # For each target, check that it's configured with a hash table.
2056 foreach (keys %targets) {
2057 if (ref($targets{$_}) ne "HASH") {
2058 if (ref($targets{$_}) eq "") {
2059 warn "Deprecated target configuration for $_, ignoring...\n";
2061 warn "Misconfigured target configuration for $_ (should be a hash table), ignoring...\n";
2063 delete $targets{$_};
2067 %table = (%table, %targets);
2071 # configuration resolver. Will only resolve all the lazy evalutation
2072 # codeblocks for the chozen target and all those it inherits from,
2074 sub resolve_config {
2076 my @breadcrumbs = @_;
2078 # my $extra_checks = defined($ENV{CONFIGURE_EXTRA_CHECKS});
2080 if (grep { $_ eq $target } @breadcrumbs) {
2081 die "inherit_from loop! target backtrace:\n "
2082 ,$target,"\n ",join("\n ", @breadcrumbs),"\n";
2085 if (!defined($table{$target})) {
2086 warn "Warning! target $target doesn't exist!\n";
2089 # Recurse through all inheritances. They will be resolved on the
2090 # fly, so when this operation is done, they will all just be a
2091 # bunch of attributes with string values.
2092 # What we get here, though, are keys with references to lists of
2093 # the combined values of them all. We will deal with lists after
2094 # this stage is done.
2095 my %combined_inheritance = ();
2096 if ($table{$target}->{inherit_from}) {
2098 map { ref($_) eq "CODE" ? $_->() : $_ } @{$table{$target}->{inherit_from}};
2099 foreach (@inherit_from) {
2100 my %inherited_config = resolve_config($_, $target, @breadcrumbs);
2102 # 'template' is a marker that's considered private to
2103 # the config that had it.
2104 delete $inherited_config{template};
2107 if (!$combined_inheritance{$_}) {
2108 $combined_inheritance{$_} = [];
2110 push @{$combined_inheritance{$_}}, $inherited_config{$_};
2111 } keys %inherited_config;
2115 # We won't need inherit_from in this target any more, since we've
2116 # resolved all the inheritances that lead to this
2117 delete $table{$target}->{inherit_from};
2119 # Now is the time to deal with those lists. Here's the place to
2120 # decide what shall be done with those lists, all based on the
2121 # values of the target we're currently dealing with.
2122 # - If a value is a coderef, it will be executed with the list of
2123 # inherited values as arguments.
2124 # - If the corresponding key doesn't have a value at all or is the
2125 # emoty string, the inherited value list will be run through the
2126 # default combiner (below), and the result becomes this target's
2128 # - Otherwise, this target's value is assumed to be a string that
2129 # will simply override the inherited list of values.
2130 my $default_combiner = add();
2133 map { $_ => 1 } (keys %combined_inheritance,
2134 keys %{$table{$target}});
2136 sub process_values {
2138 my $inherited = shift; # Always a [ list ]
2144 while(ref($object) eq "CODE") {
2145 $object = $object->(@$inherited);
2147 if (!defined($object)) {
2150 elsif (ref($object) eq "ARRAY") {
2151 local $add_called; # To make sure recursive calls don't affect it
2152 return [ map { process_values($_, $inherited, $target, $entry) }
2154 } elsif (ref($object) eq "") {
2157 die "cannot handle reference type ",ref($object)
2158 ," found in target ",$target," -> ",$entry,"\n";
2162 foreach (sort keys %all_keys) {
2163 my $previous = $combined_inheritance{$_};
2165 # Current target doesn't have a value for the current key?
2166 # Assign it the default combiner, the rest of this loop body
2167 # will handle it just like any other coderef.
2168 if (!exists $table{$target}->{$_}) {
2169 $table{$target}->{$_} = $default_combiner;
2172 $table{$target}->{$_} = process_values($table{$target}->{$_},
2173 $combined_inheritance{$_},
2175 unless(defined($table{$target}->{$_})) {
2176 delete $table{$target}->{$_};
2178 # if ($extra_checks &&
2179 # $previous && !($add_called || $previous ~~ $table{$target}->{$_})) {
2180 # warn "$_ got replaced in $target\n";
2184 # Finally done, return the result.
2185 return %{$table{$target}};
2190 print STDERR $usage;
2191 print STDERR "\npick os/compiler from:\n";
2195 foreach $i (sort keys %table)
2197 next if $table{$i}->{template};
2198 next if $i =~ /^debug/;
2199 $k += length($i) + 1;
2205 print STDERR $i . " ";
2207 foreach $i (sort keys %table)
2209 next if $table{$i}->{template};
2210 next if $i !~ /^debug/;
2211 $k += length($i) + 1;
2217 print STDERR $i . " ";
2219 print STDERR "\n\nNOTE: If in doubt, on Unix-ish systems use './config'.\n";
2228 unlink $out || warn "Can't remove $out, $!"
2230 foreach (@templates) {
2231 die "Can't open $_, $!" unless -f $_;
2233 my $cmd = "$config{perl} \"-I.\" \"-Mconfigdata\" $dofile -o\"Configure\" \"".join("\" \"",@templates)."\" > \"$out.new\"";
2234 #print STDERR "DEBUG[run_dofile]: \$cmd = $cmd\n";
2237 rename("$out.new", $out) || die "Can't rename $out.new, $!";
2240 # Configuration printer ##############################################
2242 sub print_table_entry
2245 my %target = resolve_config($target);
2248 # Don't print the templates
2249 return if $target{template};
2286 "shared_extension_simple",
2287 "shared_import_extension",
2298 if ($type eq "TABLE") {
2300 print "*** $target\n";
2301 foreach (@sequence) {
2302 if (ref($target{$_}) eq "ARRAY") {
2303 printf "\$%-12s = %s\n", $_, join(" ", @{$target{$_}});
2305 printf "\$%-12s = %s\n", $_, $target{$_};
2308 } elsif ($type eq "HASH") {
2310 length((sort { length($a) <=> length($b) } @sequence)[-1]);
2311 print " '$target' => {\n";
2312 foreach (@sequence) {
2314 if (ref($target{$_}) eq "ARRAY") {
2315 print " '",$_,"'"," " x ($largest - length($_))," => [ ",join(", ", map { "'$_'" } @{$target{$_}})," ],\n";
2317 print " '",$_,"'"," " x ($largest - length($_))," => '",$target{$_},"',\n";
2325 # Utility routines ###################################################
2327 # On VMS, if the given file is a logical name, File::Spec::Functions
2328 # will consider it an absolute path. There are cases when we want a
2329 # purely syntactic check without checking the environment.
2333 # On non-platforms, we just use file_name_is_absolute().
2334 return file_name_is_absolute($file) unless $^O eq "VMS";
2336 # If the file spec includes a device or a directpry spec,
2337 # file_name_is_absolute() is perfectly safe.
2338 return file_name_is_absolute($file) if $file =~ m|[:\[]|;
2340 # Here, we know the given file spec isn't absolute
2344 # Makes a directory absolute and cleans out /../ in paths like foo/../bar
2345 # On some platforms, this uses rel2abs(), while on others, realpath() is used.
2346 # realpath() requires that at least all path components except the last is an
2347 # existing directory. On VMS, the last component of the directory spec must
2352 # realpath() is quite buggy on VMS. It uses LIB$FID_TO_NAME, which
2353 # will return the volume name for the device, no matter what. Also,
2354 # it will return an incorrect directory spec if the argument is a
2355 # directory that doesn't exist.
2357 return rel2abs($dir);
2360 # We use realpath() on Unix, since no other will properly clean out
2362 use Cwd qw/realpath/;
2364 return realpath($dir);
2371 foreach $path (split /:/, $ENV{PATH})
2373 my $fullpath = "$path/$name$target{exe_extension}";
2374 if (-f $fullpath and -x $fullpath)
2377 unless ($name eq "perl" and
2378 system("$fullpath -e " . '\'exit($]<5.0);\''));
2385 perl => sub { my $x = shift;
2386 $x =~ s/([\\\$\@"])/\\$1/g;
2387 return '"'.$x.'"'; },
2391 defined($processors{$for}) ? $processors{$for} : sub { shift; };
2393 map { $processor->($_); } @_;
2396 # collect_from_file($filename, $line_concat_cond_re, $line_concat)
2397 # $filename is a file name to read from
2398 # $line_concat_cond_re is a regexp detecting a line continuation ending
2399 # $line_concat is a CODEref that takes care of concatenating two lines
2400 sub collect_from_file {
2401 my $filename = shift;
2402 my $line_concat_cond_re = shift;
2403 my $line_concat = shift;
2405 open my $fh, $filename || die "unable to read $filename: $!\n";
2407 my $saved_line = "";
2411 if (defined $line_concat) {
2412 $_ = $line_concat->($saved_line, $_);
2415 if (defined $line_concat_cond_re && /$line_concat_cond_re/) {
2421 die "$filename ending with continuation line\n" if $_;
2427 # collect_from_array($array, $line_concat_cond_re, $line_concat)
2428 # $array is an ARRAYref of lines
2429 # $line_concat_cond_re is a regexp detecting a line continuation ending
2430 # $line_concat is a CODEref that takes care of concatenating two lines
2431 sub collect_from_array {
2433 my $line_concat_cond_re = shift;
2434 my $line_concat = shift;
2435 my @array = (@$array);
2438 my $saved_line = "";
2440 while (defined($_ = shift @array)) {
2442 if (defined $line_concat) {
2443 $_ = $line_concat->($saved_line, $_);
2446 if (defined $line_concat_cond_re && /$line_concat_cond_re/) {
2452 die "input text ending with continuation line\n" if $_;
2457 # collect_information($lineiterator, $line_continue, $regexp => $CODEref, ...)
2458 # $lineiterator is a CODEref that delivers one line at a time.
2459 # All following arguments are regex/CODEref pairs, where the regexp detects a
2460 # line and the CODEref does something with the result of the regexp.
2461 sub collect_information {
2462 my $lineiterator = shift;
2463 my %collectors = @_;
2465 while(defined($_ = $lineiterator->())) {
2468 if ($collectors{"BEFORE"}) {
2469 $collectors{"BEFORE"}->($_);
2471 foreach my $re (keys %collectors) {
2472 if ($re !~ /^OTHERWISE|BEFORE|AFTER$/ && /$re/) {
2473 $collectors{$re}->($lineiterator);
2477 if ($collectors{"OTHERWISE"}) {
2478 $collectors{"OTHERWISE"}->($lineiterator, $_)
2479 unless $found || !defined $collectors{"OTHERWISE"};
2481 if ($collectors{"AFTER"}) {
2482 $collectors{"AFTER"}->($_);