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",
320 foreach my $proto ((@tls, @dtls))
322 push(@disablables, $proto);
323 push(@disablables, "$proto-method");
326 my @deprecated_disablables = (
330 # All of the following is disabled by default (RC5 was enabled before 0.9.8):
332 our %disabled = ( # "what" => "comment"
333 "ec_nistp_64_gcc_128" => "default",
338 "shared" => "default",
339 "ssl-trace" => "default",
341 "ssl3-method" => "default",
342 "unit-test" => "default",
343 "weak-ssl-ciphers" => "default",
345 "zlib-dynamic" => "default",
346 "crypto-mdebug" => "default",
347 "heartbeats" => "default",
350 # Note: => pair form used for aesthetics, not to truly make a hash table
351 my @disable_cascades = (
352 # "what" => [ "cascade", ... ]
353 sub { $config{processor} eq "386" }
356 "ssl3-method" => [ "ssl3" ],
357 "zlib" => [ "zlib-dynamic" ],
359 "ec" => [ "ecdsa", "ecdh" ],
361 "dgram" => [ "dtls", "sctp" ],
364 # SSL 3.0, (D)TLS 1.0 and TLS 1.1 require MD5 and SHA
365 "md5" => [ "ssl", "tls1", "tls1_1", "dtls1" ],
366 "sha" => [ "ssl", "tls1", "tls1_1", "dtls1" ],
368 # Additionally, SSL 3.0 requires either RSA or DSA+DH
370 && ($disabled{dsa} || $disabled{dh}); }
373 # (D)TLS 1.0 and TLS 1.1 also require either RSA or DSA+DH
374 # or ECDSA + ECDH. (D)TLS 1.2 has this requirement as well.
375 # (XXX: We don't support PSK-only builds).
377 && ($disabled{dsa} || $disabled{dh})
378 && ($disabled{ecdsa} || $disabled{ecdh}); }
379 => [ "tls1", "tls1_1", "tls1_2",
380 "dtls1", "dtls1_2" ],
384 # SRP and HEARTBEATS require TLSEXT
385 "tlsext" => [ "srp", "heartbeats" ],
387 "crypto-mdebug" => [ "crypto-mdebug-backtrace" ],
389 # Without DSO, we can't load dynamic engines, so don't build them dynamic
390 "dso" => [ "dynamic-engine" ],
392 # Without position independent code, there can be no shared libraries or DSOs
393 "pic" => [ "shared" ],
394 "shared" => [ "dynamic-engine" ],
395 "engine" => [ "afalgeng" ],
396 "comp" => [ "zlib" ],
399 # Avoid protocol support holes. Also disable all versions below N, if version
400 # N is disabled while N+1 is enabled.
402 my @list = (reverse @tls);
403 while ((my $first, my $second) = (shift @list, shift @list)) {
405 push @disable_cascades, ( sub { !$disabled{$first} && $disabled{$second} }
407 unshift @list, $second;
409 my @list = (reverse @dtls);
410 while ((my $first, my $second) = (shift @list, shift @list)) {
412 push @disable_cascades, ( sub { !$disabled{$first} && $disabled{$second} }
414 unshift @list, $second;
417 # Explicit "no-..." options will be collected in %disabled along with the defaults.
418 # To remove something from %disabled, use "enable-foo".
419 # For symmetry, "disable-foo" is a synonym for "no-foo".
421 my @generated_headers = (
422 "include/openssl/opensslconf.h",
423 "crypto/include/internal/bn_conf.h",
424 "crypto/include/internal/dso_conf.h"
427 my @generated_by_make_headers = (
434 &usage if ($#ARGV < 0);
438 $config{openssl_api_defines}=[];
439 $config{openssl_algorithm_defines}=[];
440 $config{openssl_thread_defines}=[];
441 $config{openssl_sys_defines}=[];
442 $config{openssl_other_defines}=[];
446 $config{build_type} = "release";
452 if (grep /^reconf(igure)?$/, @argvcopy) {
453 if (-f "./configdata.pm") {
454 my $file = "./configdata.pm";
455 unless (my $return = do $file) {
456 die "couldn't parse $file: $@" if $@;
457 die "couldn't do $file: $!" unless defined $return;
458 die "couldn't run $file" unless $return;
461 @argvcopy = defined($configdata::config{perlargv}) ?
462 @{$configdata::config{perlargv}} : ();
463 die "Incorrect data to reconfigure, please do a normal configuration\n"
464 if (grep(/^reconf/,@argvcopy));
465 $ENV{CROSS_COMPILE} = $configdata::config{cross_compile_prefix}
466 if defined($configdata::config{cross_compile_prefix});
467 $ENV{CROSS_COMPILE} = $configdata::config{cc}
468 if defined($configdata::config{cc});
470 print "Reconfiguring with: ", join(" ",@argvcopy), "\n";
471 print " CROSS_COMPILE = ",$ENV{CROSS_COMPILE},"\n"
472 if $ENV{CROSS_COMPILE};
473 print " CC = ",$ENV{CC},"\n" if $ENV{CC};
474 } elsif (open IN, "<Makefile") {
476 # THIS SECTION IS TEMPORARY, it helps transitioning from Makefile
477 # centered information gathering the reading configdata.pm
481 if (/^CONFIGURE_ARGS=\s*(.*)\s*/) {
482 # Older form, we split the string and hope for the best
483 @argvcopy = split /\s+/, $_;
484 die "Incorrect data to reconfigure, please do a normal configuration\n"
485 if (grep(/^reconf/,@argvcopy));
486 } elsif (/^CROSS_COMPILE=\s*(.*)/) {
487 $ENV{CROSS_COMPILE}=$1;
488 } elsif (/^CC=\s*(?:\$\(CROSS_COMPILE\))?(.*?)$/) {
493 # END OF TEMPORARY SECTION
496 die "Insufficient data to reconfigure, please do a normal configuration\n";
500 $config{perlargv} = [ @argvcopy ];
502 my %unsupported_options = ();
503 my %deprecated_options = ();
506 # VMS is a case insensitive environment, and depending on settings
507 # out of our control, we may receive options uppercased. Let's
508 # downcase at least the part before any equal sign.
513 s /^-no-/no-/; # some people just can't read the instructions
515 # rewrite some options in "enable-..." form
516 s /^-?-?shared$/enable-shared/;
517 s /^sctp$/enable-sctp/;
518 s /^threads$/enable-threads/;
519 s /^zlib$/enable-zlib/;
520 s /^zlib-dynamic$/enable-zlib-dynamic/;
522 if (/^(no|disable|enable)-(.+)$/)
525 if (grep { $word =~ /^${_}$/ } @deprecated_disablables)
527 $deprecated_options{$_} = 1;
530 elsif (!grep { $word =~ /^${_}$/ } @disablables)
532 $unsupported_options{$_} = 1;
536 if (/^no-(.+)$/ || /^disable-(.+)$/)
538 foreach my $proto ((@tls, @dtls))
540 if ($1 eq "$proto-method")
542 $disabled{"$proto"} = "option($proto-method)";
548 foreach my $proto (@dtls)
550 $disabled{$proto} = "option(dtls)";
552 $disabled{"dtls"} = "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 $target{exe_extension}=".pm" if ($config{target} =~ /vos/);
865 ($target{shared_extension_simple}=$target{shared_extension})
866 =~ s|\.\$\(SHLIB_MAJOR\)\.\$\(SHLIB_MINOR\)||;
867 $target{dso_extension}=$target{shared_extension_simple};
868 ($target{shared_import_extension}=$target{shared_extension_simple}.".a")
869 if ($config{target} =~ /^(?:Cygwin|mingw)/);
872 $config{cross_compile_prefix} = $ENV{'CROSS_COMPILE'}
873 if $config{cross_compile_prefix} eq "";
875 # Allow overriding the names of some tools. USE WITH CARE
876 $config{perl} = $ENV{'PERL'} || which("perl5") || which("perl") || "perl";
877 $target{cc} = $ENV{'CC'} || $target{cc} || "cc";
878 $target{ranlib} = $ENV{'RANLIB'} || $target{ranlib} || which("ranlib") || "true";
879 $target{ar} = $ENV{'AR'} || $target{ar} || "ar";
880 $target{nm} = $ENV{'NM'} || $target{nm} || "nm";
882 # For cflags, lflags, plib_lflags, ex_libs and defines, add the debug_
883 # or release_ attributes.
884 # Do it in such a way that no spurious space is appended (hence the grep).
885 $config{defines} = [];
886 $config{cflags} = "";
887 $config{ex_libs} = "";
888 $config{shared_ldflag} = "";
890 # Make sure build_scheme is consistent.
891 $target{build_scheme} = [ $target{build_scheme} ]
892 if ref($target{build_scheme}) ne "ARRAY";
894 ###### TO BE REMOVED WHEN CLASSIC BUILD IS REMOVED
896 ###### If the user has chosen --classic, we give it to them.
897 ###### If they try that with an out-of-source config, we complain.
898 if ($target{build_scheme}->[0] eq "unified" && $classic) {
899 die "Can't perform a classic build out of source tree\n"
900 if $srcdir ne $blddir;
902 $target{build_scheme} = { unix => [ "unixmake" ],
904 VMS => undef } -> {$target{build_scheme}->[1]};
906 die "Classic mode unavailable on this platform\n"
907 unless defined($target{build_scheme});
910 my ($builder, $builder_platform, @builder_opts) =
911 @{$target{build_scheme}};
913 if ($target =~ /^mingw/ && `$target{cc} --target-help 2>&1` =~ m/-mno-cygwin/m)
915 $config{cflags} .= " -mno-cygwin";
916 $config{shared_ldflag} .= " -mno-cygwin";
919 if ($target =~ /linux.*-mips/ && !$disabled{asm} && $user_cflags !~ /-m(ips|arch=)/) {
920 # minimally required architecture flags for assembly modules
921 $config{cflags}="-mips2 $config{cflags}" if ($target =~ /mips32/);
922 $config{cflags}="-mips3 $config{cflags}" if ($target =~ /mips64/);
925 my $no_shared_warn=0;
926 my $no_user_cflags=0;
927 my $no_user_defines=0;
929 # The DSO code currently always implements all functions so that no
930 # applications will have to worry about that from a compilation point
931 # of view. However, the "method"s may return zero unless that platform
932 # has support compiled in for them. Currently each method is enabled
933 # by a define "DSO_<name>" ... we translate the "dso_scheme" config
934 # string entry into using the following logic;
935 if (!$disabled{dso} && $target{dso_scheme} ne "")
937 $target{dso_scheme} =~ tr/[a-z]/[A-Z]/;
938 if ($target{dso_scheme} eq "DLFCN")
940 unshift @{$config{defines}}, "DSO_DLFCN", "HAVE_DLFCN_H";
942 elsif ($target{dso_scheme} eq "DLFCN_NO_H")
944 unshift @{$config{defines}}, "DSO_DLFCN";
948 unshift @{$config{defines}}, "DSO_$target{dso_scheme}";
952 $config{ex_libs}="$libs$config{ex_libs}" if ($libs ne "");
958 @{$config{defines}} = grep !/^[BL]_ENDIAN$/, @{$config{defines}};
959 @{$target{defines}} = grep !/^[BL]_ENDIAN$/, @{$target{defines}};
963 # If threads aren't disabled, check how possible they are
964 unless ($disabled{threads}) {
966 # Enabled by default, disable it forcibly if unavailable
967 if ($target{thread_scheme} eq "(unknown)") {
968 $disabled{threads} = "unavailable";
971 # The user chose to enable threads explicitely, let's see
972 # if there's a chance that's possible
973 if ($target{thread_scheme} eq "(unknown)") {
974 # If the user asked for "threads" and we don't have internal
975 # knowledge how to do it, [s]he is expected to provide any
976 # system-dependent compiler options that are necessary. We
977 # can't truly check that the given options are correct, but
978 # we expect the user to know what [s]He is doing.
979 if ($no_user_cflags && $no_user_defines) {
980 die "You asked for multi-threading support, but didn't\n"
981 ,"provide any system-specific compiler options\n";
987 # If threads still aren't disabled, add a C macro to ensure the source
988 # code knows about it. Any other flag is taken care of by the configs.
989 unless($disabled{threads}) {
990 foreach (("defines", "openssl_thread_defines")) {
991 push @{$config{$_}}, "OPENSSL_THREADS";
995 # With "deprecated" disable all deprecated features.
996 if (defined($disabled{"deprecated"})) {
997 $config{api} = $maxapi;
1000 if ($target{shared_target} eq "")
1003 if ((!$disabled{shared} || !$disabled{"dynamic-engine"})
1005 $disabled{shared} = "no-shared-target";
1006 $disabled{pic} = $disabled{shared} = $disabled{"dynamic-engine"} =
1010 if ($disabled{"dynamic-engine"}) {
1011 push @{$config{defines}}, "OPENSSL_NO_DYNAMIC_ENGINE";
1012 $config{dynamic_engines} = 0;
1014 push @{$config{defines}}, "OPENSSL_NO_STATIC_ENGINE";
1015 $config{dynamic_engines} = 1;
1022 # This saves the build files from having to check
1025 $target{shared_cflag} = $target{shared_ldflag} =
1026 $target{shared_rcflag} = "";
1030 push @{$config{defines}}, "OPENSSL_PIC";
1033 if ($target{sys_id} ne "")
1035 push @{$config{openssl_sys_defines}}, "OPENSSL_SYS_$target{sys_id}";
1038 unless ($disabled{asm}) {
1039 $target{cpuid_asm_src}=$table{DEFAULTS}->{cpuid_asm_src} if ($config{processor} eq "386");
1040 $target{bn_asm_src} =~ s/\w+-gf2m.c// if (defined($disabled{ec2m}));
1042 # bn-586 is the only one implementing bn_*_part_words
1043 push @{$config{defines}}, "OPENSSL_BN_ASM_PART_WORDS" if ($target{bn_asm_src} =~ /bn-586/);
1044 push @{$config{defines}}, "OPENSSL_IA32_SSE2" if (!$no_sse2 && $target{bn_asm_src} =~ /86/);
1046 push @{$config{defines}}, "OPENSSL_BN_ASM_MONT" if ($target{bn_asm_src} =~ /-mont/);
1047 push @{$config{defines}}, "OPENSSL_BN_ASM_MONT5" if ($target{bn_asm_src} =~ /-mont5/);
1048 push @{$config{defines}}, "OPENSSL_BN_ASM_GF2m" if ($target{bn_asm_src} =~ /-gf2m/);
1050 if ($config{fips}) {
1051 push @{$config{openssl_other_defines}}, "OPENSSL_FIPS";
1054 if ($target{sha1_asm_src}) {
1055 push @{$config{defines}}, "SHA1_ASM" if ($target{sha1_asm_src} =~ /sx86/ || $target{sha1_asm_src} =~ /sha1/);
1056 push @{$config{defines}}, "SHA256_ASM" if ($target{sha1_asm_src} =~ /sha256/);
1057 push @{$config{defines}}, "SHA512_ASM" if ($target{sha1_asm_src} =~ /sha512/);
1059 if ($target{md5_asm_src}) {
1060 push @{$config{defines}}, "MD5_ASM";
1062 $target{cast_asm_src}=$table{DEFAULTS}->{cast_asm_src} unless $disabled{pic}; # CAST assembler is not PIC
1063 if ($target{rmd160_asm_src}) {
1064 push @{$config{defines}}, "RMD160_ASM";
1066 if ($target{aes_asm_src}) {
1067 push @{$config{defines}}, "AES_ASM" if ($target{aes_asm_src} =~ m/\baes-/);;
1068 # aes-ctr.fake is not a real file, only indication that assembler
1069 # module implements AES_ctr32_encrypt...
1070 push @{$config{defines}}, "AES_CTR_ASM" if ($target{aes_asm_src} =~ s/\s*aes-ctr\.fake//);
1071 # aes-xts.fake indicates presence of AES_xts_[en|de]crypt...
1072 push @{$config{defines}}, "AES_XTS_ASM" if ($target{aes_asm_src} =~ s/\s*aes-xts\.fake//);
1073 $target{aes_asm_src} =~ s/\s*(vpaes|aesni)-x86\.s//g if ($no_sse2);
1074 push @{$config{defines}}, "VPAES_ASM" if ($target{aes_asm_src} =~ m/vpaes/);
1075 push @{$config{defines}}, "BSAES_ASM" if ($target{aes_asm_src} =~ m/bsaes/);
1077 if ($target{wp_asm_src} =~ /mmx/) {
1078 if ($config{processor} eq "386") {
1079 $target{wp_asm_src}=$table{DEFAULTS}->{wp_asm_src};
1080 } elsif (!$disabled{"whirlpool"}) {
1081 push @{$config{defines}}, "WHIRLPOOL_ASM";
1084 if ($target{modes_asm_src} =~ /ghash-/) {
1085 push @{$config{defines}}, "GHASH_ASM";
1087 if ($target{ec_asm_src} =~ /ecp_nistz256/) {
1088 push @{$config{defines}}, "ECP_NISTZ256_ASM";
1090 if ($target{poly1305_asm_src} ne "") {
1091 push @{$config{defines}}, "POLY1305_ASM";
1095 my $ecc = $target{cc};
1096 if ($^O ne "VMS" && !$disabled{makedepend}) {
1097 # Is the compiler gcc or clang? $ecc is used below to see if
1098 # error-checking can be turned on.
1099 my $ccpcc = "$config{cross_compile_prefix}$target{cc}";
1100 open(PIPE, "$ccpcc --version 2>&1 |");
1103 # Find the version number and save the major.
1104 m|(?:.*)\b(\d+)\.\d+\.\d+\b(?:.*)|;
1105 my $compiler_major = $1;
1106 # We know that GNU C version 3 and up as well as all clang
1107 # versions support dependency generation
1108 $config{makedepprog} = $ccpcc
1109 if (/clang/ || (/gcc/ && $compiler_major > 3));
1110 $ecc = "clang" if /clang/;
1111 $ecc = "gcc" if /gcc/;
1112 last if ($config{makedepprog} || !$lines--);
1116 $config{makedepprog} = which('makedepend') unless $config{makedepprog};
1117 $disabled{makedepend} = "unavailable" unless $config{makedepprog};
1122 # Deal with bn_ops ###################################################
1125 $config{export_var_as_fn} =0;
1126 my $def_int="unsigned int";
1127 $config{rc4_int} =$def_int;
1128 ($config{b64l},$config{b64},$config{b32})=(0,0,1);
1131 foreach (sort split(/\s+/,$target{bn_ops})) {
1132 $count++ if /SIXTY_FOUR_BIT|SIXTY_FOUR_BIT_LONG|THIRTY_TWO_BIT/;
1133 $config{export_var_as_fn}=1 if $_ eq 'EXPORT_VAR_AS_FN';
1134 $config{bn_ll}=1 if $_ eq 'BN_LLONG';
1135 $config{rc4_int}="unsigned char" if $_ eq 'RC4_CHAR';
1136 ($config{b64l},$config{b64},$config{b32})
1137 =(0,1,0) if $_ eq 'SIXTY_FOUR_BIT';
1138 ($config{b64l},$config{b64},$config{b32})
1139 =(1,0,0) if $_ eq 'SIXTY_FOUR_BIT_LONG';
1140 ($config{b64l},$config{b64},$config{b32})
1141 =(0,0,1) if $_ eq 'THIRTY_TWO_BIT';
1143 die "Exactly one of SIXTY_FOUR_BIT|SIXTY_FOUR_BIT_LONG|THIRTY_TWO_BIT can be set in bn_ops\n"
1147 # Hack cflags for better warnings (dev option) #######################
1149 # "Stringify" the C flags string. This permits it to be made part of a string
1150 # and works as well on command lines.
1151 $config{cflags} =~ s/([\\\"])/\\$1/g;
1153 if (defined($config{api})) {
1154 $config{openssl_api_defines} = [ "OPENSSL_MIN_API=".$apitable->{$config{api}} ];
1155 my $apiflag = sprintf("OPENSSL_API_COMPAT=%s", $apitable->{$config{api}});
1156 push @{$config{defines}}, $apiflag;
1159 if ($strict_warnings)
1162 die "ERROR --strict-warnings requires gcc or clang"
1163 unless $ecc eq 'gcc' || $ecc eq 'clang';
1164 foreach $wopt (split /\s+/, $gcc_devteam_warn)
1166 $config{cflags} .= " $wopt" unless ($config{cflags} =~ /(?:^|\s)$wopt(?:\s|$)/)
1168 if ($ecc eq "clang")
1170 foreach $wopt (split /\s+/, $clang_devteam_warn)
1172 $config{cflags} .= " $wopt" unless ($config{cflags} =~ /(?:^|\s)$wopt(?:\s|$)/)
1177 unless ($disabled{"crypto-mdebug-backtrace"})
1179 foreach my $wopt (split /\s+/, $memleak_devteam_backtrace)
1181 $config{cflags} .= " $wopt" unless ($config{cflags} =~ /(?:^|\s)$wopt(?:\s|$)/)
1183 if ($target =~ /^BSD-/)
1185 $config{ex_libs} .= " -lexecinfo";
1189 if ($user_cflags ne "") { $config{cflags}="$config{cflags}$user_cflags"; }
1190 else { $no_user_cflags=1; }
1191 if (@user_defines) { $config{defines}=[ @{$config{defines}}, @user_defines ]; }
1192 else { $no_user_defines=1; }
1194 # ALL MODIFICATIONS TO %config and %target MUST BE DONE FROM HERE ON
1196 unless ($disabled{afalgeng}) {
1197 $config{afalgeng}="";
1198 if ($target =~ m/^linux/) {
1199 my $minver = 4*10000 + 1*100 + 0;
1200 if ($config{cross_compile_prefix} eq "") {
1201 my $verstr = `uname -r`;
1202 my ($ma, $mi1, $mi2) = split("\\.", $verstr);
1203 ($mi2) = $mi2 =~ /(\d+)/;
1204 my $ver = $ma*10000 + $mi1*100 + $mi2;
1205 if ($ver < $minver) {
1206 $disabled{afalgeng} = "too-old-kernel";
1208 push @{$config{engdirs}}, "afalg";
1211 $disabled{afalgeng} = "cross-compiling";
1214 $disabled{afalgeng} = "not-linux";
1218 push @{$config{openssl_other_defines}}, "OPENSSL_NO_AFALGENG" if ($disabled{afalgeng});
1220 # If we use the unified build, collect information from build.info files
1221 my %unified_info = ();
1223 my $buildinfo_debug = defined($ENV{CONFIGURE_DEBUG_BUILDINFO});
1224 if ($builder eq "unified") {
1225 # Store the name of the template file we will build the build file from
1226 # in %config. This may be useful for the build file itself.
1227 my $build_file_template =
1228 catfile($srcdir, "Configurations",
1229 $builder_platform."-".$target{build_file}.".tmpl");
1230 $build_file_template =
1231 catfile($srcdir, "Configurations", $target{build_file}.".tmpl")
1232 if (! -f $build_file_template);
1233 $config{build_file_template} = $build_file_template;
1235 use lib catdir(dirname(__FILE__),"util");
1236 use with_fallback qw(Text::Template);
1241 my $relativeto = shift || ".";
1243 $dir = catdir($base,$dir) unless isabsolute($dir);
1245 # Make sure the directories we're building in exists
1248 my $res = abs2rel(absolutedir($dir), rel2abs($relativeto));
1249 #print STDERR "DEBUG[cleandir]: $dir , $base => $res\n";
1256 my $relativeto = shift || ".";
1258 $file = catfile($base,$file) unless isabsolute($file);
1260 my $d = dirname($file);
1261 my $f = basename($file);
1263 # Make sure the directories we're building in exists
1266 my $res = abs2rel(catfile(absolutedir($d), $f), rel2abs($relativeto));
1267 #print STDERR "DEBUG[cleanfile]: $d , $f => $res\n";
1271 my @build_infos = ( [ ".", "build.info" ] );
1272 foreach (@{$config{dirs}}) {
1273 push @build_infos, [ $_, "build.info" ]
1274 if (-f catfile($srcdir, $_, "build.info"));
1276 foreach (@{$config{sdirs}}) {
1277 push @build_infos, [ catdir("crypto", $_), "build.info" ]
1278 if (-f catfile($srcdir, "crypto", $_, "build.info"));
1280 foreach (@{$config{engdirs}}) {
1281 push @build_infos, [ catdir("engines", $_), "build.info" ]
1282 if (-f catfile($srcdir, "engines", $_, "build.info"));
1285 $config{build_infos} = [ ];
1287 foreach (@build_infos) {
1288 my $sourced = catdir($srcdir, $_->[0]);
1289 my $buildd = catdir($blddir, $_->[0]);
1294 # The basic things we're trying to build
1301 my @intermediates = ();
1306 my %shared_sources = ();
1310 my %sharednames = ();
1313 push @{$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*SHARED_SOURCE\[((?:\\.|[^\\\]])+)\]\s*=\s*(.*)\s*$/
1387 => sub { push @{$shared_sources{$1}}, split(/\s+/, $2)
1388 if !@skip || $skip[$#skip] > 0 },
1389 qr/^\s*INCLUDE\[((?:\\.|[^\\\]])+)\]\s*=\s*(.*)\s*$/
1390 => sub { push @{$includes{$1}}, split(/\s+/, $2)
1391 if !@skip || $skip[$#skip] > 0 },
1392 qr/^\s*DEPEND\[((?:\\.|[^\\\]])+)\]\s*=\s*(.*)\s*$/
1393 => sub { push @{$depends{$1}}, split(/\s+/, $2)
1394 if !@skip || $skip[$#skip] > 0 },
1395 qr/^\s*GENERATE\[((?:\\.|[^\\\]])+)\]\s*=\s*(.*)\s*$/
1396 => sub { push @{$generate{$1}}, $2
1397 if !@skip || $skip[$#skip] > 0 },
1398 qr/^\s*RENAME\[((?:\\.|[^\\\]])+)\]\s*=\s*(.*)\s*$/
1399 => sub { push @{$renames{$1}}, split(/\s+/, $2)
1400 if !@skip || $skip[$#skip] > 0 },
1401 qr/^\s*SHARED_NAME\[((?:\\.|[^\\\]])+)\]\s*=\s*(.*)\s*$/
1402 => sub { push @{$sharednames{$1}}, split(/\s+/, $2)
1403 if !@skip || $skip[$#skip] > 0 },
1404 qr/^\s*BEGINRAW\[((?:\\.|[^\\\]])+)\]\s*$/
1406 my $lineiterator = shift;
1407 my $target_kind = $1;
1408 while (defined $lineiterator->()) {
1410 if (/^\s*ENDRAW\[((?:\\.|[^\\\]])+)\]\s*$/) {
1411 die "ENDRAW doesn't match BEGINRAW"
1412 if $1 ne $target_kind;
1415 next if @skip && $skip[$#skip] <= 0;
1417 if ($target_kind eq $target{build_file}
1418 || $target_kind eq $target{build_file}."(".$builder_platform.")");
1421 qr/^(?:#.*|\s*)$/ => sub { },
1422 "OTHERWISE" => sub { die "Something wrong with this line:\n$_\nat $sourced/$f" },
1424 if ($buildinfo_debug) {
1425 print STDERR "DEBUG: Parsing ",join(" ", @_),"\n";
1426 print STDERR "DEBUG: ... before parsing, skip stack is ",join(" ", map { int($_) } @skip),"\n";
1430 if ($buildinfo_debug) {
1431 print STDERR "DEBUG: .... after parsing, skip stack is ",join(" ", map { int($_) } @skip),"\n";
1435 die "runaway IF?" if (@skip);
1437 foreach (keys %renames) {
1438 die "$_ renamed to more than one thing: "
1439 ,join(" ", @{$renames{$_}}),"\n"
1440 if scalar @{$renames{$_}} > 1;
1441 my $dest = cleanfile($buildd, $_, $blddir);
1442 my $to = cleanfile($buildd, $renames{$_}->[0], $blddir);
1443 die "$dest renamed to more than one thing: "
1444 ,$unified_info{rename}->{$dest}, $to
1445 unless !defined($unified_info{rename}->{$dest})
1446 or $unified_info{rename}->{$dest} eq $to;
1447 $unified_info{rename}->{$dest} = $to;
1450 foreach (@programs) {
1451 my $program = cleanfile($buildd, $_, $blddir);
1452 if ($unified_info{rename}->{$program}) {
1453 $program = $unified_info{rename}->{$program};
1455 $unified_info{programs}->{$program} = 1;
1458 foreach (@libraries) {
1459 my $library = cleanfile($buildd, $_, $blddir);
1460 if ($unified_info{rename}->{$library}) {
1461 $library = $unified_info{rename}->{$library};
1463 $unified_info{libraries}->{$library} = 1;
1466 die <<"EOF" if scalar @engines and !$config{dynamic_engines};
1467 ENGINES can only be used if configured with 'dynamic-engine'.
1468 This is usually a fault in a build.info file.
1470 foreach (@engines) {
1471 my $library = cleanfile($buildd, $_, $blddir);
1472 if ($unified_info{rename}->{$library}) {
1473 $library = $unified_info{rename}->{$library};
1475 $unified_info{engines}->{$library} = 1;
1478 foreach (@scripts) {
1479 my $script = cleanfile($buildd, $_, $blddir);
1480 if ($unified_info{rename}->{$script}) {
1481 $script = $unified_info{rename}->{$script};
1483 $unified_info{scripts}->{$script} = 1;
1487 my $extra = cleanfile($buildd, $_, $blddir);
1488 $unified_info{extra}->{$extra} = 1;
1491 foreach (@overrides) {
1492 my $override = cleanfile($buildd, $_, $blddir);
1493 $unified_info{overrides}->{$override} = 1;
1496 push @{$unified_info{rawlines}}, @rawlines;
1498 unless ($disabled{shared}) {
1499 # Check sharednames.
1500 foreach (keys %sharednames) {
1501 my $dest = cleanfile($buildd, $_, $blddir);
1502 if ($unified_info{rename}->{$dest}) {
1503 $dest = $unified_info{rename}->{$dest};
1505 die "shared_name for $dest with multiple values: "
1506 ,join(" ", @{$sharednames{$_}}),"\n"
1507 if scalar @{$sharednames{$_}} > 1;
1508 my $to = cleanfile($buildd, $sharednames{$_}->[0], $blddir);
1509 die "shared_name found for a library $dest that isn't defined\n"
1510 unless $unified_info{libraries}->{$dest};
1511 die "shared_name for $dest with multiple values: "
1512 ,$unified_info{sharednames}->{$dest}, ", ", $to
1513 unless !defined($unified_info{sharednames}->{$dest})
1514 or $unified_info{sharednames}->{$dest} eq $to;
1515 $unified_info{sharednames}->{$dest} = $to;
1518 # Additionally, we set up sharednames for libraries that don't
1519 # have any, as themselves.
1520 foreach (keys %{$unified_info{libraries}}) {
1521 if (!defined $unified_info{sharednames}->{$_}) {
1522 $unified_info{sharednames}->{$_} = $_
1527 foreach (keys %ordinals) {
1529 my $ddest = cleanfile($buildd, $_, $blddir);
1530 if ($unified_info{rename}->{$ddest}) {
1531 $ddest = $unified_info{rename}->{$ddest};
1533 foreach (@{$ordinals{$dest}}) {
1534 my %known_ordinals =
1537 cleanfile($sourced, catfile("util", "libcrypto.num"), $blddir),
1539 cleanfile($sourced, catfile("util", "libssl.num"), $blddir)
1541 my $o = $known_ordinals{$_};
1542 die "Ordinals for $ddest defined more than once\n"
1543 if $unified_info{ordinals}->{$ddest};
1544 $unified_info{ordinals}->{$ddest} = [ $_, $o ];
1548 foreach (keys %sources) {
1550 my $ddest = cleanfile($buildd, $_, $blddir);
1551 if ($unified_info{rename}->{$ddest}) {
1552 $ddest = $unified_info{rename}->{$ddest};
1554 foreach (@{$sources{$dest}}) {
1555 my $s = cleanfile($sourced, $_, $blddir);
1557 # If it isn't in the source tree, we assume it's generated
1560 $s = cleanfile($buildd, $_, $blddir);
1562 # We recognise C and asm files
1563 if ($s =~ /\.[csS]\b$/) {
1564 (my $o = $_) =~ s/\.[csS]\b$/.o/;
1565 $o = cleanfile($buildd, $o, $blddir);
1566 $unified_info{sources}->{$ddest}->{$o} = 1;
1567 $unified_info{sources}->{$o}->{$s} = 1;
1569 $unified_info{sources}->{$ddest}->{$s} = 1;
1574 foreach (keys %shared_sources) {
1576 my $ddest = cleanfile($buildd, $_, $blddir);
1577 if ($unified_info{rename}->{$ddest}) {
1578 $ddest = $unified_info{rename}->{$ddest};
1580 foreach (@{$shared_sources{$dest}}) {
1581 my $s = cleanfile($sourced, $_, $blddir);
1583 # If it isn't in the source tree, we assume it's generated
1586 $s = cleanfile($buildd, $_, $blddir);
1588 # We recognise C and asm files
1589 if ($s =~ /\.[csS]\b$/) {
1590 (my $o = $_) =~ s/\.[csS]\b$/.o/;
1591 $o = cleanfile($buildd, $o, $blddir);
1592 $unified_info{shared_sources}->{$ddest}->{$o} = 1;
1593 $unified_info{sources}->{$o}->{$s} = 1;
1595 die "unrecognised source file type for shared library: $s\n";
1600 foreach (keys %generate) {
1602 my $ddest = cleanfile($buildd, $_, $blddir);
1603 if ($unified_info{rename}->{$ddest}) {
1604 $ddest = $unified_info{rename}->{$ddest};
1606 die "more than one generator for $dest: "
1607 ,join(" ", @{$generate{$_}}),"\n"
1608 if scalar @{$generate{$_}} > 1;
1609 my @generator = split /\s+/, $generate{$dest}->[0];
1610 $generator[0] = cleanfile($sourced, $generator[0], $blddir),
1611 $unified_info{generate}->{$ddest} = [ @generator ];
1614 foreach (keys %depends) {
1616 my $ddest = cleanfile($buildd, $_, $blddir);
1617 if ($unified_info{rename}->{$ddest}) {
1618 $ddest = $unified_info{rename}->{$ddest};
1620 foreach (@{$depends{$dest}}) {
1621 my $d = cleanfile($sourced, $_, $blddir);
1623 # If we know it's generated, or assume it is because we can't
1624 # find it in the source tree, we set file we depend on to be
1625 # in the build tree rather than the source tree, and assume
1626 # and that there are lines to build it in a BEGINRAW..ENDRAW
1627 # section or in the Makefile template.
1629 || (grep { $d eq $_ }
1630 map { cleanfile($srcdir, $_, $blddir) }
1631 (@generated_headers, @generated_by_make_headers))) {
1632 $d = cleanfile($buildd, $_, $blddir);
1634 # Take note if the file to depend on is being renamed
1635 if ($unified_info{rename}->{$d}) {
1636 $d = $unified_info{rename}->{$d};
1638 $unified_info{depends}->{$ddest}->{$d} = 1;
1639 # If we depend on a header file, let's make sure it
1642 my $i = dirname($d);
1643 push @{$unified_info{includes}->{$ddest}}, $i
1644 unless grep { $_ eq $i } @{$unified_info{includes}->{$ddest}};
1649 foreach (keys %includes) {
1651 my $ddest = cleanfile($buildd, $_, $blddir);
1652 if ($unified_info{rename}->{$ddest}) {
1653 $ddest = $unified_info{rename}->{$ddest};
1655 foreach (@{$includes{$dest}}) {
1656 my $i = cleandir($sourced, $_, $blddir);
1657 push @{$unified_info{includes}->{$ddest}}, $i
1658 unless grep { $_ eq $i } @{$unified_info{includes}->{$ddest}};
1663 ### Make unified_info a bit more efficient
1664 # One level structures
1665 foreach (("programs", "libraries", "engines", "scripts", "extra", "overrides")) {
1666 $unified_info{$_} = [ sort keys %{$unified_info{$_}} ];
1668 # Two level structures
1669 foreach my $l1 (("sources", "shared_sources", "ldadd", "depends")) {
1670 foreach my $l2 (sort keys %{$unified_info{$l1}}) {
1671 $unified_info{$l1}->{$l2} =
1672 [ sort keys %{$unified_info{$l1}->{$l2}} ];
1677 # For the schemes that need it, we provide the old *_obj configs
1678 # from the *_asm_obj ones
1679 foreach (grep /_(asm|aux)_src$/, keys %target) {
1681 (my $obj = $_) =~ s/_(asm|aux)_src$/_obj/;
1682 ($target{$obj} = $target{$src}) =~ s/\.[csS]\b/.o/g;
1685 # Write down our configuration where it fits #########################
1687 open(OUT,">configdata.pm") || die "unable to create configdata.pm: $!\n";
1695 #use vars qw(\@ISA \@EXPORT);
1696 our \@ISA = qw(Exporter);
1697 our \@EXPORT = qw(\%config \%target \%disabled \%withargs \%unified_info \@disablables);
1700 print OUT "our %config = (\n";
1701 foreach (sort keys %config) {
1702 if (ref($config{$_}) eq "ARRAY") {
1703 print OUT " ", $_, " => [ ", join(", ",
1704 map { quotify("perl", $_) }
1705 @{$config{$_}}), " ],\n";
1707 print OUT " ", $_, " => ", quotify("perl", $config{$_}), ",\n"
1714 print OUT "our %target = (\n";
1715 foreach (sort keys %target) {
1716 if (ref($target{$_}) eq "ARRAY") {
1717 print OUT " ", $_, " => [ ", join(", ",
1718 map { quotify("perl", $_) }
1719 @{$target{$_}}), " ],\n";
1721 print OUT " ", $_, " => ", quotify("perl", $target{$_}), ",\n"
1728 print OUT "our \%available_protocols = (\n";
1729 print OUT " tls => [ ", join(", ", map { quotify("perl", $_) } @tls), " ],\n";
1730 print OUT " dtls => [ ", join(", ", map { quotify("perl", $_) } @dtls), " ],\n";
1735 print OUT "our \@disablables = (\n";
1736 foreach (@disablables) {
1737 print OUT " ", quotify("perl", $_), ",\n";
1743 print OUT "our \%disabled = (\n";
1744 foreach (sort keys %disabled) {
1745 print OUT " ", quotify("perl", $_), " => ", quotify("perl", $disabled{$_}), ",\n";
1751 print OUT "our %withargs = (\n";
1752 foreach (sort keys %withargs) {
1753 if (ref($withargs{$_}) eq "ARRAY") {
1754 print OUT " ", $_, " => [ ", join(", ",
1755 map { quotify("perl", $_) }
1756 @{$withargs{$_}}), " ],\n";
1758 print OUT " ", $_, " => ", quotify("perl", $withargs{$_}), ",\n"
1765 if ($builder eq "unified") {
1770 if (ref $_ eq "ARRAY") {
1771 print OUT " "x$indent, "[\n";
1773 $recurse->($indent + 4, $_);
1775 print OUT " "x$indent, "],\n";
1776 } elsif (ref $_ eq "HASH") {
1778 print OUT " "x$indent, "{\n";
1779 foreach (sort keys %h) {
1780 if (ref $h{$_} eq "") {
1781 print OUT " "x($indent + 4), quotify("perl", $_), " => ", quotify("perl", $h{$_}), ",\n";
1783 print OUT " "x($indent + 4), quotify("perl", $_), " =>\n";
1784 $recurse->($indent + 8, $h{$_});
1787 print OUT " "x$indent, "},\n";
1789 print OUT " "x$indent, quotify("perl", $_), ",\n";
1793 print OUT "our %unified_info = (\n";
1794 foreach (sort keys %unified_info) {
1795 if (ref $unified_info{$_} eq "") {
1796 print OUT " "x4, quotify("perl", $_), " => ", quotify("perl", $unified_info{$_}), ",\n";
1798 print OUT " "x4, quotify("perl", $_), " =>\n";
1799 $recurse->(8, $unified_info{$_});
1811 print "CC =$target{cc}\n";
1812 print "CFLAG =$target{cflags} $config{cflags}\n";
1813 print "SHARED_CFLAG =$target{shared_cflag}\n";
1814 print "DEFINES =",join(" ", @{$target{defines}}, @{$config{defines}}),"\n";
1815 print "LFLAG =$target{lflags}\n";
1816 print "PLIB_LFLAG =$target{plib_lflags}\n";
1817 print "EX_LIBS =$target{ex_libs} $config{ex_libs}\n";
1818 print "APPS_OBJ =$target{apps_obj}\n";
1819 print "CPUID_OBJ =$target{cpuid_obj}\n";
1820 print "UPLINK_OBJ =$target{uplink_obj}\n";
1821 print "BN_ASM =$target{bn_obj}\n";
1822 print "EC_ASM =$target{ec_obj}\n";
1823 print "DES_ENC =$target{des_obj}\n";
1824 print "AES_ENC =$target{aes_obj}\n";
1825 print "BF_ENC =$target{bf_obj}\n";
1826 print "CAST_ENC =$target{cast_obj}\n";
1827 print "RC4_ENC =$target{rc4_obj}\n";
1828 print "RC5_ENC =$target{rc5_obj}\n";
1829 print "MD5_OBJ_ASM =$target{md5_obj}\n";
1830 print "SHA1_OBJ_ASM =$target{sha1_obj}\n";
1831 print "RMD160_OBJ_ASM=$target{rmd160_obj}\n";
1832 print "CMLL_ENC =$target{cmll_obj}\n";
1833 print "MODES_OBJ =$target{modes_obj}\n";
1834 print "PADLOCK_OBJ =$target{padlock_obj}\n";
1835 print "CHACHA_ENC =$target{chacha_obj}\n";
1836 print "POLY1305_OBJ =$target{poly1305_obj}\n";
1837 print "BLAKE2_OBJ =$target{blake2_obj}\n";
1838 print "PROCESSOR =$config{processor}\n";
1839 print "RANLIB =$target{ranlib}\n";
1840 print "ARFLAGS =$target{arflags}\n";
1841 print "PERL =$config{perl}\n";
1843 print "SIXTY_FOUR_BIT_LONG mode\n" if $config{b64l};
1844 print "SIXTY_FOUR_BIT mode\n" if $config{b64};
1845 print "THIRTY_TWO_BIT mode\n" if $config{b32};
1846 print "BN_LLONG mode\n" if $config{bn_ll};
1847 print "RC4 uses $config{rc4_int}\n" if $config{rc4_int} ne $def_int;
1849 for (@generated_headers) {
1850 mkpath(catdir($blddir, dirname($_)));
1851 run_dofile(catfile($blddir, $_),
1852 catfile($srcdir, $_.".in"));
1856 ### When the old "unixmake" scheme goes away, so does this function
1858 sub build_Makefile {
1859 run_dofile("Makefile","Makefile.in");
1861 # Copy all Makefile.in to Makefile (except top-level)
1870 return if ($_ ne "Makefile.in" || $File::Find::dir eq ".");
1871 my $in = IO::File->new($_, "r") or
1872 die sprintf "Error reading Makefile.in in %s: !$\n",
1874 my $out = IO::File->new("Makefile", "w") or
1875 die sprintf "Error writing Makefile in %s: !$\n",
1877 print $out "# Generated from $_, do not edit\n";
1878 while (my $line = <$in>) { print $out $line }
1880 die sprintf "Error reading Makefile.in in %s: !$\n",
1883 die sprintf "Error writing Makefile in %s: !$\n",
1892 run_dofile(catfile($blddir, $target{build_file}),
1893 $config{build_file_template},
1894 catfile($srcdir, "Configurations", "common.tmpl"));
1899 run_dofile("util/domd", "util/domd.in");
1900 chmod 0755, "util/domd";
1904 $builders{$builder}->($builder_platform, @builder_opts);
1908 Configured for $target.
1911 print <<"EOF" if ($disabled{threads} eq "unavailable");
1913 The library could not be configured for supporting multi-threaded
1914 applications as the compiler options required on this system are not known.
1915 See file INSTALL for details if you need multi-threading.
1918 print <<"EOF" if ($no_shared_warn);
1920 The options 'shared', 'pic' and 'dynamic-engine' aren't supported on this
1921 platform, so we will pretend you gave the option 'no-pic', which also disables
1922 'shared' and 'dynamic-engine'. If you know how to implement shared libraries
1923 or position independent code, please let us know (but please first make sure
1924 you have tried with a current version of OpenSSL).
1929 ######################################################################
1931 # Helpers and utility functions
1934 # Configuration file reading #########################################
1936 # Note: All of the helper functions are for lazy evaluation. They all
1937 # return a CODE ref, which will return the intended value when evaluated.
1938 # Thus, whenever there's mention of a returned value, it's about that
1941 # Helper function to implement conditional inheritance depending on the
1942 # value of $disabled{asm}. Used in inherit_from values as follows:
1944 # inherit_from => [ "template", asm("asm_tmpl") ]
1949 $disabled{asm} ? () : @x;
1953 # Helper function to implement conditional value variants, with a default
1954 # plus additional values based on the value of $config{build_type}.
1955 # Arguments are given in hash table form:
1957 # picker(default => "Basic string: ",
1959 # release => "release")
1961 # When configuring with --debug, the resulting string will be
1962 # "Basic string: debug", and when not, it will be "Basic string: release"
1964 # This can be used to create variants of sets of flags according to the
1967 # cflags => picker(default => "-Wall",
1968 # debug => "-g -O0",
1973 return sub { add($opts{default} || (),
1974 $opts{$config{build_type}} || ())->(); }
1977 # Helper function to combine several values of different types into one.
1978 # This is useful if you want to combine a string with the result of a
1979 # lazy function, such as:
1981 # cflags => combine("-Wall", sub { $disabled{zlib} ? () : "-DZLIB" })
1985 return sub { add(@stuff)->(); }
1988 # Helper function to implement conditional values depending on the value
1989 # of $disabled{threads}. Can be used as follows:
1991 # cflags => combine("-Wall", threads("-pthread"))
1995 return sub { add($disabled{threads} ? () : @flags)->(); }
2000 our $add_called = 0;
2001 # Helper function to implement adding values to already existing configuration
2002 # values. It handles elements that are ARRAYs, CODEs and scalars
2004 my $separator = shift;
2006 # If there's any ARRAY in the collection of values OR the separator
2007 # is undef, we will return an ARRAY of combined values, otherwise a
2008 # string of joined values with $separator as the separator.
2009 my $found_array = !defined($separator);
2014 while (ref($res) eq "CODE") {
2017 if (defined($res)) {
2018 if (ref($res) eq "ARRAY") {
2034 join($separator, grep { defined($_) && $_ ne "" } @values);
2038 my $separator = " ";
2039 if (ref($_[$#_]) eq "HASH") {
2041 $separator = $opts->{separator};
2044 sub { _add($separator, @x, @_) };
2047 my $separator = " ";
2048 if (ref($_[$#_]) eq "HASH") {
2050 $separator = $opts->{separator};
2053 sub { _add($separator, @_, @x) };
2056 # configuration reader, evaluates the input file as a perl script and expects
2057 # it to fill %targets with target configurations. Those are then added to
2061 open(CONFFILE, "< $fname")
2062 or die "Can't open configuration file '$fname'!\n";
2065 my $content = <CONFFILE>;
2070 local %table = %::table; # Protect %table from tampering
2076 # For each target, check that it's configured with a hash table.
2077 foreach (keys %targets) {
2078 if (ref($targets{$_}) ne "HASH") {
2079 if (ref($targets{$_}) eq "") {
2080 warn "Deprecated target configuration for $_, ignoring...\n";
2082 warn "Misconfigured target configuration for $_ (should be a hash table), ignoring...\n";
2084 delete $targets{$_};
2088 %table = (%table, %targets);
2092 # configuration resolver. Will only resolve all the lazy evalutation
2093 # codeblocks for the chozen target and all those it inherits from,
2095 sub resolve_config {
2097 my @breadcrumbs = @_;
2099 # my $extra_checks = defined($ENV{CONFIGURE_EXTRA_CHECKS});
2101 if (grep { $_ eq $target } @breadcrumbs) {
2102 die "inherit_from loop! target backtrace:\n "
2103 ,$target,"\n ",join("\n ", @breadcrumbs),"\n";
2106 if (!defined($table{$target})) {
2107 warn "Warning! target $target doesn't exist!\n";
2110 # Recurse through all inheritances. They will be resolved on the
2111 # fly, so when this operation is done, they will all just be a
2112 # bunch of attributes with string values.
2113 # What we get here, though, are keys with references to lists of
2114 # the combined values of them all. We will deal with lists after
2115 # this stage is done.
2116 my %combined_inheritance = ();
2117 if ($table{$target}->{inherit_from}) {
2119 map { ref($_) eq "CODE" ? $_->() : $_ } @{$table{$target}->{inherit_from}};
2120 foreach (@inherit_from) {
2121 my %inherited_config = resolve_config($_, $target, @breadcrumbs);
2123 # 'template' is a marker that's considered private to
2124 # the config that had it.
2125 delete $inherited_config{template};
2128 if (!$combined_inheritance{$_}) {
2129 $combined_inheritance{$_} = [];
2131 push @{$combined_inheritance{$_}}, $inherited_config{$_};
2132 } keys %inherited_config;
2136 # We won't need inherit_from in this target any more, since we've
2137 # resolved all the inheritances that lead to this
2138 delete $table{$target}->{inherit_from};
2140 # Now is the time to deal with those lists. Here's the place to
2141 # decide what shall be done with those lists, all based on the
2142 # values of the target we're currently dealing with.
2143 # - If a value is a coderef, it will be executed with the list of
2144 # inherited values as arguments.
2145 # - If the corresponding key doesn't have a value at all or is the
2146 # emoty string, the inherited value list will be run through the
2147 # default combiner (below), and the result becomes this target's
2149 # - Otherwise, this target's value is assumed to be a string that
2150 # will simply override the inherited list of values.
2151 my $default_combiner = add();
2154 map { $_ => 1 } (keys %combined_inheritance,
2155 keys %{$table{$target}});
2157 sub process_values {
2159 my $inherited = shift; # Always a [ list ]
2165 while(ref($object) eq "CODE") {
2166 $object = $object->(@$inherited);
2168 if (!defined($object)) {
2171 elsif (ref($object) eq "ARRAY") {
2172 local $add_called; # To make sure recursive calls don't affect it
2173 return [ map { process_values($_, $inherited, $target, $entry) }
2175 } elsif (ref($object) eq "") {
2178 die "cannot handle reference type ",ref($object)
2179 ," found in target ",$target," -> ",$entry,"\n";
2183 foreach (sort keys %all_keys) {
2184 my $previous = $combined_inheritance{$_};
2186 # Current target doesn't have a value for the current key?
2187 # Assign it the default combiner, the rest of this loop body
2188 # will handle it just like any other coderef.
2189 if (!exists $table{$target}->{$_}) {
2190 $table{$target}->{$_} = $default_combiner;
2193 $table{$target}->{$_} = process_values($table{$target}->{$_},
2194 $combined_inheritance{$_},
2196 unless(defined($table{$target}->{$_})) {
2197 delete $table{$target}->{$_};
2199 # if ($extra_checks &&
2200 # $previous && !($add_called || $previous ~~ $table{$target}->{$_})) {
2201 # warn "$_ got replaced in $target\n";
2205 # Finally done, return the result.
2206 return %{$table{$target}};
2211 print STDERR $usage;
2212 print STDERR "\npick os/compiler from:\n";
2216 foreach $i (sort keys %table)
2218 next if $table{$i}->{template};
2219 next if $i =~ /^debug/;
2220 $k += length($i) + 1;
2226 print STDERR $i . " ";
2228 foreach $i (sort keys %table)
2230 next if $table{$i}->{template};
2231 next if $i !~ /^debug/;
2232 $k += length($i) + 1;
2238 print STDERR $i . " ";
2240 print STDERR "\n\nNOTE: If in doubt, on Unix-ish systems use './config'.\n";
2249 unlink $out || warn "Can't remove $out, $!"
2251 foreach (@templates) {
2252 die "Can't open $_, $!" unless -f $_;
2254 my $cmd = "$config{perl} \"-I.\" \"-Mconfigdata\" $dofile -o\"Configure\" \"".join("\" \"",@templates)."\" > \"$out.new\"";
2255 #print STDERR "DEBUG[run_dofile]: \$cmd = $cmd\n";
2258 rename("$out.new", $out) || die "Can't rename $out.new, $!";
2261 # Configuration printer ##############################################
2263 sub print_table_entry
2266 my %target = resolve_config($target);
2269 # Don't print the templates
2270 return if $target{template};
2307 "shared_extension_simple",
2308 "shared_import_extension",
2319 if ($type eq "TABLE") {
2321 print "*** $target\n";
2322 foreach (@sequence) {
2323 if (ref($target{$_}) eq "ARRAY") {
2324 printf "\$%-12s = %s\n", $_, join(" ", @{$target{$_}});
2326 printf "\$%-12s = %s\n", $_, $target{$_};
2329 } elsif ($type eq "HASH") {
2331 length((sort { length($a) <=> length($b) } @sequence)[-1]);
2332 print " '$target' => {\n";
2333 foreach (@sequence) {
2335 if (ref($target{$_}) eq "ARRAY") {
2336 print " '",$_,"'"," " x ($largest - length($_))," => [ ",join(", ", map { "'$_'" } @{$target{$_}})," ],\n";
2338 print " '",$_,"'"," " x ($largest - length($_))," => '",$target{$_},"',\n";
2346 # Utility routines ###################################################
2348 # On VMS, if the given file is a logical name, File::Spec::Functions
2349 # will consider it an absolute path. There are cases when we want a
2350 # purely syntactic check without checking the environment.
2354 # On non-platforms, we just use file_name_is_absolute().
2355 return file_name_is_absolute($file) unless $^O eq "VMS";
2357 # If the file spec includes a device or a directpry spec,
2358 # file_name_is_absolute() is perfectly safe.
2359 return file_name_is_absolute($file) if $file =~ m|[:\[]|;
2361 # Here, we know the given file spec isn't absolute
2365 # Makes a directory absolute and cleans out /../ in paths like foo/../bar
2366 # On some platforms, this uses rel2abs(), while on others, realpath() is used.
2367 # realpath() requires that at least all path components except the last is an
2368 # existing directory. On VMS, the last component of the directory spec must
2373 # realpath() is quite buggy on VMS. It uses LIB$FID_TO_NAME, which
2374 # will return the volume name for the device, no matter what. Also,
2375 # it will return an incorrect directory spec if the argument is a
2376 # directory that doesn't exist.
2378 return rel2abs($dir);
2381 # We use realpath() on Unix, since no other will properly clean out
2383 use Cwd qw/realpath/;
2385 return realpath($dir);
2392 foreach $path (split /:/, $ENV{PATH})
2394 my $fullpath = "$path/$name$target{exe_extension}";
2395 if (-f $fullpath and -x $fullpath)
2398 unless ($name eq "perl" and
2399 system("$fullpath -e " . '\'exit($]<5.0);\''));
2406 perl => sub { my $x = shift;
2407 $x =~ s/([\\\$\@"])/\\$1/g;
2408 return '"'.$x.'"'; },
2412 defined($processors{$for}) ? $processors{$for} : sub { shift; };
2414 map { $processor->($_); } @_;
2417 # collect_from_file($filename, $line_concat_cond_re, $line_concat)
2418 # $filename is a file name to read from
2419 # $line_concat_cond_re is a regexp detecting a line continuation ending
2420 # $line_concat is a CODEref that takes care of concatenating two lines
2421 sub collect_from_file {
2422 my $filename = shift;
2423 my $line_concat_cond_re = shift;
2424 my $line_concat = shift;
2426 open my $fh, $filename || die "unable to read $filename: $!\n";
2428 my $saved_line = "";
2432 if (defined $line_concat) {
2433 $_ = $line_concat->($saved_line, $_);
2436 if (defined $line_concat_cond_re && /$line_concat_cond_re/) {
2442 die "$filename ending with continuation line\n" if $_;
2448 # collect_from_array($array, $line_concat_cond_re, $line_concat)
2449 # $array is an ARRAYref of lines
2450 # $line_concat_cond_re is a regexp detecting a line continuation ending
2451 # $line_concat is a CODEref that takes care of concatenating two lines
2452 sub collect_from_array {
2454 my $line_concat_cond_re = shift;
2455 my $line_concat = shift;
2456 my @array = (@$array);
2459 my $saved_line = "";
2461 while (defined($_ = shift @array)) {
2463 if (defined $line_concat) {
2464 $_ = $line_concat->($saved_line, $_);
2467 if (defined $line_concat_cond_re && /$line_concat_cond_re/) {
2473 die "input text ending with continuation line\n" if $_;
2478 # collect_information($lineiterator, $line_continue, $regexp => $CODEref, ...)
2479 # $lineiterator is a CODEref that delivers one line at a time.
2480 # All following arguments are regex/CODEref pairs, where the regexp detects a
2481 # line and the CODEref does something with the result of the regexp.
2482 sub collect_information {
2483 my $lineiterator = shift;
2484 my %collectors = @_;
2486 while(defined($_ = $lineiterator->())) {
2489 if ($collectors{"BEFORE"}) {
2490 $collectors{"BEFORE"}->($_);
2492 foreach my $re (keys %collectors) {
2493 if ($re !~ /^OTHERWISE|BEFORE|AFTER$/ && /$re/) {
2494 $collectors{$re}->($lineiterator);
2498 if ($collectors{"OTHERWISE"}) {
2499 $collectors{"OTHERWISE"}->($lineiterator, $_)
2500 unless $found || !defined $collectors{"OTHERWISE"};
2502 if ($collectors{"AFTER"}) {
2503 $collectors{"AFTER"}->($_);