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| author | Wojtek Kosior <wk@koszkonutek-tmp.pl.eu.org> | 2021-04-30 00:33:56 +0200 | 
|---|---|---|
| committer | Wojtek Kosior <wk@koszkonutek-tmp.pl.eu.org> | 2021-04-30 00:33:56 +0200 | 
| commit | aa4d426b4d3527d7e166df1a05058c9a4a0f6683 (patch) | |
| tree | 4ff17ce8b89a2321b9d0ed4bcfc37c447bcb6820 /openssl-1.1.0h/Configure | |
| download | smtps-and-pop3s-console-program-master.tar.gz smtps-and-pop3s-console-program-master.zip  | |
Diffstat (limited to 'openssl-1.1.0h/Configure')
| -rwxr-xr-x | openssl-1.1.0h/Configure | 2806 | 
1 files changed, 2806 insertions, 0 deletions
diff --git a/openssl-1.1.0h/Configure b/openssl-1.1.0h/Configure new file mode 100755 index 0000000..c003364 --- /dev/null +++ b/openssl-1.1.0h/Configure @@ -0,0 +1,2806 @@ +#! /usr/bin/env perl +# -*- mode: perl; -*- +# Copyright 2016-2018 The OpenSSL Project Authors. All Rights Reserved. +# +# Licensed under the OpenSSL license (the "License").  You may not use +# this file except in compliance with the License.  You can obtain a copy +# in the file LICENSE in the source distribution or at +# https://www.openssl.org/source/license.html + +##  Configure -- OpenSSL source tree configuration script + +use 5.10.0; +use strict; +use FindBin; +use lib "$FindBin::Bin/util/perl"; +use File::Basename; +use File::Spec::Functions qw/:DEFAULT abs2rel rel2abs/; +use File::Path qw/mkpath/; +use OpenSSL::Glob; + +# see INSTALL for instructions. + +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"; + +# Options: +# +# --config      add the given configuration file, which will be read after +#               any "Configurations*" files that are found in the same +#               directory as this script. +# --prefix      prefix for the OpenSSL installation, which includes the +#               directories bin, lib, include, share/man, share/doc/openssl +#               This becomes the value of INSTALLTOP in Makefile +#               (Default: /usr/local) +# --openssldir  OpenSSL data area, such as openssl.cnf, certificates and keys. +#               If it's a relative directory, it will be added on the directory +#               given with --prefix. +#               This becomes the value of OPENSSLDIR in Makefile and in C. +#               (Default: PREFIX/ssl) +# +# --cross-compile-prefix Add specified prefix to binutils components. +# +# --api         One of 0.9.8, 1.0.0 or 1.1.0.  Do not compile support for +#               interfaces deprecated as of the specified OpenSSL version. +# +# no-hw-xxx     do not compile support for specific crypto hardware. +#               Generic OpenSSL-style methods relating to this support +#               are always compiled but return NULL if the hardware +#               support isn't compiled. +# no-hw         do not compile support for any crypto hardware. +# [no-]threads  [don't] try to create a library that is suitable for +#               multithreaded applications (default is "threads" if we +#               know how to do it) +# [no-]shared	[don't] try to create shared libraries when supported. +# [no-]pic      [don't] try to build position independent code when supported. +#               If disabled, it also disables shared and dynamic-engine. +# no-asm        do not use assembler +# no-dso        do not compile in any native shared-library methods. This +#               will ensure that all methods just return NULL. +# no-egd        do not compile support for the entropy-gathering daemon APIs +# [no-]zlib     [don't] compile support for zlib compression. +# zlib-dynamic	Like "zlib", but the zlib library is expected to be a shared +#		library and will be loaded in run-time by the OpenSSL library. +# sctp          include SCTP support +# enable-weak-ssl-ciphers +#               Enable weak ciphers that are disabled by default. +# 386           generate 80386 code in assembly modules +# no-sse2       disables IA-32 SSE2 code in assembly modules, the above +#               mentioned '386' option implies this one +# no-<cipher>   build without specified algorithm (rsa, idea, rc5, ...) +# -<xxx> +<xxx> compiler options are passed through +# -static       while -static is also a pass-through compiler option (and +#               as such is limited to environments where it's actually +#               meaningful), it triggers a number configuration options, +#               namely no-dso, no-pic, no-shared and no-threads. It is +#               argued that the only reason to produce statically linked +#               binaries (and in context it means executables linked with +#               -static flag, and not just executables linked with static +#               libcrypto.a) is to eliminate dependency on specific run-time, +#               a.k.a. libc version. The mentioned config options are meant +#               to achieve just that. Unfortunately on Linux it's impossible +#               to eliminate the dependency completely for openssl executable +#               because of getaddrinfo and gethostbyname calls, which can +#               invoke dynamically loadable library facility anyway to meet +#               the lookup requests. For this reason on Linux statically +#               linked openssl executable has rather debugging value than +#               production quality. +# +# DEBUG_SAFESTACK use type-safe stacks to enforce type-safety on stack items +#		provided to stack calls. Generates unique stack functions for +#		each possible stack type. +# BN_LLONG	use the type 'long long' in crypto/bn/bn.h +# RC4_CHAR	use 'char' instead of 'int' for RC4_INT in crypto/rc4/rc4.h +# Following are set automatically by this script +# +# MD5_ASM	use some extra md5 assembler, +# SHA1_ASM	use some extra sha1 assembler, must define L_ENDIAN for x86 +# RMD160_ASM	use some extra ripemd160 assembler, +# SHA256_ASM	sha256_block is implemented in assembler +# SHA512_ASM	sha512_block is implemented in assembler +# AES_ASM	AES_[en|de]crypt is implemented in assembler + +# Minimum warning options... any contributions to OpenSSL should at least get +# past these. + +# DEBUG_UNUSED enables __owur (warn unused result) checks. +my $gcc_devteam_warn = "-DDEBUG_UNUSED" +        # -DPEDANTIC complements -pedantic and is meant to mask code that +        # is not strictly standard-compliant and/or implementation-specific, +        # e.g. inline assembly, disregards to alignment requirements, such +        # that -pedantic would complain about. Incidentally -DPEDANTIC has +        # to be used even in sanitized builds, because sanitizer too is +        # supposed to and does take notice of non-standard behaviour. Then +        # -pedantic with pre-C9x compiler would also complain about 'long +        # long' not being supported. As 64-bit algorithms are common now, +        # it grew impossible to resolve this without sizeable additional +        # code, so we just tell compiler to be pedantic about everything +        # but 'long long' type. +        . " -DPEDANTIC -pedantic -Wno-long-long" +        . " -Wall" +        . " -Wextra" +        . " -Wno-unused-parameter" +        . " -Wno-missing-field-initializers" +        . " -Wsign-compare" +        . " -Wmissing-prototypes" +        . " -Wshadow" +        . " -Wformat" +        . " -Wtype-limits" +        . " -Wundef" +        . " -Werror" +        ; + +# These are used in addition to $gcc_devteam_warn when the compiler is clang. +# TODO(openssl-team): fix problems and investigate if (at least) the +# following warnings can also be enabled: +#       -Wswitch-enum +#       -Wcast-align +#       -Wunreachable-code +#       -Wlanguage-extension-token -- no, we use asm() +#       -Wunused-macros -- no, too tricky for BN and _XOPEN_SOURCE etc +#       -Wextended-offsetof -- no, needed in CMS ASN1 code +my $clang_devteam_warn = "" +        . " -Qunused-arguments" +        . " -Wno-language-extension-token" +        . " -Wno-extended-offsetof" +        . " -Wconditional-uninitialized" +        . " -Wincompatible-pointer-types-discards-qualifiers" +        . " -Wmissing-variable-declarations" +        ; + +# This adds backtrace information to the memory leak info.  Is only used +# when crypto-mdebug-backtrace is enabled. +my $memleak_devteam_backtrace = "-rdynamic"; + +my $strict_warnings = 0; + +# As for $BSDthreads. Idea is to maintain "collective" set of flags, +# which would cover all BSD flavors. -pthread applies to them all, +# but is treated differently. OpenBSD expands is as -D_POSIX_THREAD +# -lc_r, which is sufficient. FreeBSD 4.x expands it as -lc_r, +# which has to be accompanied by explicit -D_THREAD_SAFE and +# sometimes -D_REENTRANT. FreeBSD 5.x expands it as -lc_r, which +# seems to be sufficient? +our $BSDthreads="-pthread -D_THREAD_SAFE -D_REENTRANT"; + +# +# API compatibility name to version number mapping. +# +my $maxapi = "1.1.0";           # API for "no-deprecated" builds +my $apitable = { +    "1.1.0" => "0x10100000L", +    "1.0.0" => "0x10000000L", +    "0.9.8" => "0x00908000L", +}; + +our %table = (); +our %config = (); +our %withargs = (); + +# Forward declarations ############################################### + +# read_config(filename) +# +# Reads a configuration file and populates %table with the contents +# (which the configuration file places in %targets). +sub read_config; + +# resolve_config(target) +# +# Resolves all the late evaluations, inheritances and so on for the +# chosen target and any target it inherits from. +sub resolve_config; + + +# Information collection ############################################# + +# Unified build supports separate build dir +my $srcdir = catdir(absolutedir(dirname($0))); # catdir ensures local syntax +my $blddir = catdir(absolutedir("."));         # catdir ensures local syntax +my $dofile = abs2rel(catfile($srcdir, "util/dofile.pl")); + +my $local_config_envname = 'OPENSSL_LOCAL_CONFIG_DIR'; + +$config{sourcedir} = abs2rel($srcdir); +$config{builddir} = abs2rel($blddir); + +# Collect reconfiguration information if needed +my @argvcopy=@ARGV; + +if (grep /^reconf(igure)?$/, @argvcopy) { +    if (-f "./configdata.pm") { +	my $file = "./configdata.pm"; +	unless (my $return = do $file) { +	    die "couldn't parse $file: $@" if $@; +            die "couldn't do $file: $!"    unless defined $return; +            die "couldn't run $file"       unless $return; +	} + +	@argvcopy = defined($configdata::config{perlargv}) ? +	    @{$configdata::config{perlargv}} : (); +	die "Incorrect data to reconfigure, please do a normal configuration\n" +	    if (grep(/^reconf/,@argvcopy)); +	$ENV{CROSS_COMPILE} = $configdata::config{cross_compile_prefix} +	    if defined($configdata::config{cross_compile_prefix}); +	$ENV{CC} = $configdata::config{cc} +	    if defined($configdata::config{cc}); +	$ENV{BUILDFILE} = $configdata::config{build_file} +	    if defined($configdata::config{build_file}); +	$ENV{$local_config_envname} = $configdata::config{local_config_dir} +	    if defined($configdata::config{local_config_dir}); + +	print "Reconfiguring with: ", join(" ",@argvcopy), "\n"; +	print "    CROSS_COMPILE = ",$ENV{CROSS_COMPILE},"\n" +	    if $ENV{CROSS_COMPILE}; +	print "    CC = ",$ENV{CC},"\n" if $ENV{CC}; +	print "    BUILDFILE = ",$ENV{BUILDFILE},"\n" if $ENV{BUILDFILE}; +	print "    $local_config_envname = ",$ENV{$local_config_envname},"\n" +	    if $ENV{$local_config_envname}; +    } else { +	die "Insufficient data to reconfigure, please do a normal configuration\n"; +    } +} + +$config{perlargv} = [ @argvcopy ]; + +# Collect version numbers +$config{version} = "unknown"; +$config{version_num} = "unknown"; +$config{shlib_version_number} = "unknown"; +$config{shlib_version_history} = "unknown"; + +collect_information( +    collect_from_file(catfile($srcdir,'include/openssl/opensslv.h')), +    qr/OPENSSL.VERSION.TEXT.*OpenSSL (\S+) / => sub { $config{version} = $1; }, +    qr/OPENSSL.VERSION.NUMBER.*(0x\S+)/	     => sub { $config{version_num}=$1 }, +    qr/SHLIB_VERSION_NUMBER *"([^"]+)"/	     => sub { $config{shlib_version_number}=$1 }, +    qr/SHLIB_VERSION_HISTORY *"([^"]*)"/     => sub { $config{shlib_version_history}=$1 } +    ); +if ($config{shlib_version_history} ne "") { $config{shlib_version_history} .= ":"; } + +($config{major}, $config{minor}) +    = ($config{version} =~ /^([0-9]+)\.([0-9\.]+)/); +($config{shlib_major}, $config{shlib_minor}) +    = ($config{shlib_version_number} =~ /^([0-9]+)\.([0-9\.]+)/); +die "erroneous version information in opensslv.h: ", +    "$config{major}, $config{minor}, $config{shlib_major}, $config{shlib_minor}\n" +    if ($config{major} eq "" || $config{minor} eq "" +	|| $config{shlib_major} eq "" ||  $config{shlib_minor} eq ""); + +# Collect target configurations + +my $pattern = catfile(dirname($0), "Configurations", "*.conf"); +foreach (sort glob($pattern)) { +    &read_config($_); +} + +if (defined $ENV{$local_config_envname}) { +    if ($^O eq 'VMS') { +        # VMS environment variables are logical names, +        # which can be used as is +        $pattern = $local_config_envname . ':' . '*.conf'; +    } else { +        $pattern = catfile($ENV{$local_config_envname}, '*.conf'); +    } + +    foreach (sort glob($pattern)) { +        &read_config($_); +    } +} + + +print "Configuring OpenSSL version $config{version} ($config{version_num})\n"; + +$config{prefix}=""; +$config{openssldir}=""; +$config{processor}=""; +$config{libdir}=""; +$config{cross_compile_prefix}=""; +$config{fipslibdir}="/usr/local/ssl/fips-2.0/lib/"; +my $nofipscanistercheck=0; +$config{baseaddr}="0xFB00000"; +my $auto_threads=1;    # enable threads automatically? true by default +my $default_ranlib; +$config{fips}=0; + +# Top level directories to build +$config{dirs} = [ "crypto", "ssl", "engines", "apps", "test", "util", "tools", "fuzz" ]; +# crypto/ subdirectories to build +$config{sdirs} = [ +    "objects", +    "md2", "md4", "md5", "sha", "mdc2", "hmac", "ripemd", "whrlpool", "poly1305", "blake2", +    "des", "aes", "rc2", "rc4", "rc5", "idea", "bf", "cast", "camellia", "seed", "chacha", "modes", +    "bn", "ec", "rsa", "dsa", "dh", "dso", "engine", +    "buffer", "bio", "stack", "lhash", "rand", "err", +    "evp", "asn1", "pem", "x509", "x509v3", "conf", "txt_db", "pkcs7", "pkcs12", "comp", "ocsp", "ui", +    "cms", "ts", "srp", "cmac", "ct", "async", "kdf" +    ]; + +# Known TLS and DTLS protocols +my @tls = qw(ssl3 tls1 tls1_1 tls1_2); +my @dtls = qw(dtls1 dtls1_2); + +# Explicitly known options that are possible to disable.  They can +# be regexps, and will be used like this: /^no-${option}$/ +# For developers: keep it sorted alphabetically + +my @disablables = ( +    "afalgeng", +    "asan", +    "asm", +    "async", +    "autoalginit", +    "autoerrinit", +    "bf", +    "blake2", +    "camellia", +    "capieng", +    "cast", +    "chacha", +    "cmac", +    "cms", +    "comp", +    "crypto-mdebug", +    "crypto-mdebug-backtrace", +    "ct", +    "deprecated", +    "des", +    "dgram", +    "dh", +    "dsa", +    "dso", +    "dtls", +    "dynamic-engine", +    "ec", +    "ec2m", +    "ecdh", +    "ecdsa", +    "ec_nistp_64_gcc_128", +    "egd", +    "engine", +    "err", +    "filenames", +    "fuzz-libfuzzer", +    "fuzz-afl", +    "gost", +    "heartbeats", +    "hw(-.+)?", +    "idea", +    "makedepend", +    "md2", +    "md4", +    "mdc2", +    "msan", +    "multiblock", +    "nextprotoneg", +    "ocb", +    "ocsp", +    "pic", +    "poly1305", +    "posix-io", +    "psk", +    "rc2", +    "rc4", +    "rc5", +    "rdrand", +    "rfc3779", +    "rmd160", +    "scrypt", +    "sctp", +    "seed", +    "shared", +    "sock", +    "srp", +    "srtp", +    "sse2", +    "ssl", +    "ssl-trace", +    "static-engine", +    "stdio", +    "threads", +    "tls", +    "ts", +    "ubsan", +    "ui", +    "unit-test", +    "whirlpool", +    "weak-ssl-ciphers", +    "zlib", +    "zlib-dynamic", +    ); +foreach my $proto ((@tls, @dtls)) +	{ +	push(@disablables, $proto); +	push(@disablables, "$proto-method"); +	} + +my %deprecated_disablables = ( +    "ssl2" => undef, +    "buf-freelists" => undef, +    "ripemd" => "rmd160" +    ); + +# All of the following is disabled by default (RC5 was enabled before 0.9.8): + +our %disabled = ( # "what"         => "comment" +                  "asan"		=> "default", +		  "crypto-mdebug"       => "default", +		  "crypto-mdebug-backtrace" => "default", +		  "ec_nistp_64_gcc_128" => "default", +		  "egd"                 => "default", +		  "fuzz-libfuzzer"	=> "default", +		  "fuzz-afl"		=> "default", +		  "heartbeats"          => "default", +		  "md2"                 => "default", +                  "msan"                => "default", +		  "rc5"                 => "default", +		  "sctp"                => "default", +		  "ssl-trace"           => "default", +		  "ssl3"                => "default", +		  "ssl3-method"         => "default", +                  "ubsan"		=> "default", +		  "unit-test"           => "default", +		  "weak-ssl-ciphers"    => "default", +		  "zlib"                => "default", +		  "zlib-dynamic"        => "default", +		); + +# Note: => pair form used for aesthetics, not to truly make a hash table +my @disable_cascades = ( +    # "what"		=> [ "cascade", ... ] +    sub { $config{processor} eq "386" } +			=> [ "sse2" ], +    "ssl"		=> [ "ssl3" ], +    "ssl3-method"	=> [ "ssl3" ], +    "zlib"		=> [ "zlib-dynamic" ], +    "des"		=> [ "mdc2" ], +    "ec"		=> [ "ecdsa", "ecdh" ], + +    "dgram"		=> [ "dtls", "sctp" ], +    "sock"		=> [ "dgram" ], +    "dtls"		=> [ @dtls ], +    sub { 0 == scalar grep { !$disabled{$_} } @dtls } +			=> [ "dtls" ], + +    "tls"		=> [ @tls ], +    sub { 0 == scalar grep { !$disabled{$_} } @tls } +			=> [ "tls" ], + +    "crypto-mdebug"     => [ "crypto-mdebug-backtrace" ], + +    # Without DSO, we can't load dynamic engines, so don't build them dynamic +    "dso"               => [ "dynamic-engine" ], + +    # Without position independent code, there can be no shared libraries or DSOs +    "pic"               => [ "shared" ], +    "shared"            => [ "dynamic-engine" ], +    "engine"            => [ "afalgeng" ], + +    # no-autoalginit is only useful when building non-shared +    "autoalginit"       => [ "shared", "apps" ], + +    "stdio"             => [ "apps", "capieng", "egd" ], +    "apps"              => [ "tests" ], +    "comp"		=> [ "zlib" ], +    sub { !$disabled{"unit-test"} } => [ "heartbeats" ], + +    sub { !$disabled{"msan"} } => [ "asm" ], +    ); + +# Avoid protocol support holes.  Also disable all versions below N, if version +# N is disabled while N+1 is enabled. +# +my @list = (reverse @tls); +while ((my $first, my $second) = (shift @list, shift @list)) { +    last unless @list; +    push @disable_cascades, ( sub { !$disabled{$first} && $disabled{$second} } +			      => [ @list ] ); +    unshift @list, $second; +} +my @list = (reverse @dtls); +while ((my $first, my $second) = (shift @list, shift @list)) { +    last unless @list; +    push @disable_cascades, ( sub { !$disabled{$first} && $disabled{$second} } +			      => [ @list ] ); +    unshift @list, $second; +} + +# Explicit "no-..." options will be collected in %disabled along with the defaults. +# To remove something from %disabled, use "enable-foo". +# For symmetry, "disable-foo" is a synonym for "no-foo". + +&usage if ($#ARGV < 0); + +my $user_cflags=""; +my @user_defines=(); +$config{openssl_api_defines}=[]; +$config{openssl_algorithm_defines}=[]; +$config{openssl_thread_defines}=[]; +$config{openssl_sys_defines}=[]; +$config{openssl_other_defines}=[]; +my $libs=""; +my $target=""; +$config{options}=""; +$config{build_type} = "release"; + +my %unsupported_options = (); +my %deprecated_options = (); +while (@argvcopy) +	{ +	$_ = shift @argvcopy; +	# VMS is a case insensitive environment, and depending on settings +	# out of our control, we may receive options uppercased.  Let's +	# downcase at least the part before any equal sign. +	if ($^O eq "VMS") +		{ +		s/^([^=]*)/lc($1)/e; +		} +	s /^-no-/no-/; # some people just can't read the instructions + +	# rewrite some options in "enable-..." form +	s /^-?-?shared$/enable-shared/; +	s /^sctp$/enable-sctp/; +	s /^threads$/enable-threads/; +	s /^zlib$/enable-zlib/; +	s /^zlib-dynamic$/enable-zlib-dynamic/; + +        if (/^(no|disable|enable)-(.+)$/) +                { +                my $word = $2; +                if (!exists $deprecated_disablables{$word} +                        && !grep { $word =~ /^${_}$/ } @disablables) +                        { +                        $unsupported_options{$_} = 1; +                        next; +                        } +                } +        if (/^no-(.+)$/ || /^disable-(.+)$/) +                { +                foreach my $proto ((@tls, @dtls)) +                        { +                        if ($1 eq "$proto-method") +                                { +                                $disabled{"$proto"} = "option($proto-method)"; +                                last; +                                } +                        } +                if ($1 eq "dtls") +                        { +                        foreach my $proto (@dtls) +                                { +                                $disabled{$proto} = "option(dtls)"; +                                } +                        $disabled{"dtls"} = "option(dtls)"; +                        } +                elsif ($1 eq "ssl") +                        { +                        # Last one of its kind +                        $disabled{"ssl3"} = "option(ssl)"; +                        } +                elsif ($1 eq "tls") +                        { +                        # XXX: Tests will fail if all SSL/TLS +                        # protocols are disabled. +                        foreach my $proto (@tls) +                                { +                                $disabled{$proto} = "option(tls)"; +                                } +                        } +                elsif ($1 eq "static-engine") +                        { +                        delete $disabled{"dynamic-engine"}; +                        } +                elsif ($1 eq "dynamic-engine") +                        { +                        $disabled{"dynamic-engine"} = "option"; +                        } +                elsif (exists $deprecated_disablables{$1}) +                        { +                        $deprecated_options{$_} = 1; +                        if (defined $deprecated_disablables{$1}) +                                { +                                $disabled{$deprecated_disablables{$1}} = "option"; +                                } +                        } +                else +                        { +                        $disabled{$1} = "option"; +                        } +		# No longer an automatic choice +		$auto_threads = 0 if ($1 eq "threads"); +		} +	elsif (/^enable-(.+)$/) +		{ +                if ($1 eq "static-engine") +                        { +                        $disabled{"dynamic-engine"} = "option"; +                        } +                elsif ($1 eq "dynamic-engine") +                        { +                        delete $disabled{"dynamic-engine"}; +                        } +                elsif ($1 eq "zlib-dynamic") +                        { +                        delete $disabled{"zlib"}; +                        } +		my $algo = $1; +		delete $disabled{$algo}; + +		# No longer an automatic choice +		$auto_threads = 0 if ($1 eq "threads"); +		} +	elsif (/^--strict-warnings$/) +		{ +		$strict_warnings = 1; +		} +	elsif (/^--debug$/) +		{ +		$config{build_type} = "debug"; +		} +	elsif (/^--release$/) +		{ +		$config{build_type} = "release"; +		} +	elsif (/^386$/) +		{ $config{processor}=386; } +	elsif (/^fips$/) +		{ +		$config{fips}=1; +		} +	elsif (/^rsaref$/) +		{ +		# No RSAref support any more since it's not needed. +		# The check for the option is there so scripts aren't +		# broken +		} +	elsif (/^nofipscanistercheck$/) +		{ +		$config{fips} = 1; +		$nofipscanistercheck = 1; +		} +	elsif (/^[-+]/) +		{ +		if (/^--prefix=(.*)$/) +			{ +			$config{prefix}=$1; +			die "Directory given with --prefix MUST be absolute\n" +				unless file_name_is_absolute($config{prefix}); +			} +		elsif (/^--api=(.*)$/) +			{ +			$config{api}=$1; +			} +		elsif (/^--libdir=(.*)$/) +			{ +			$config{libdir}=$1; +			} +		elsif (/^--openssldir=(.*)$/) +			{ +			$config{openssldir}=$1; +			} +		elsif (/^--with-zlib-lib=(.*)$/) +			{ +			$withargs{zlib_lib}=$1; +			} +		elsif (/^--with-zlib-include=(.*)$/) +			{ +			$withargs{zlib_include}=$1; +			} +		elsif (/^--with-fuzzer-lib=(.*)$/) +			{ +			$withargs{fuzzer_lib}=$1; +			} +		elsif (/^--with-fuzzer-include=(.*)$/) +			{ +			$withargs{fuzzer_include}=$1; +			} +		elsif (/^--with-fipslibdir=(.*)$/) +			{ +			$config{fipslibdir}="$1/"; +			} +		elsif (/^--with-baseaddr=(.*)$/) +			{ +			$config{baseaddr}="$1"; +			} +		elsif (/^--cross-compile-prefix=(.*)$/) +			{ +			$config{cross_compile_prefix}=$1; +			} +		elsif (/^--config=(.*)$/) +			{ +			read_config $1; +			} +		elsif (/^-[lL](.*)$/ or /^-Wl,/) +			{ +			$libs.=$_." "; +			} +		elsif (/^-rpath$/ or /^-R$/) +			# -rpath is the OSF1 rpath flag +			# -R is the old Solaris rpath flag +			{ +			my $rpath = shift(@argvcopy) || ""; +			$rpath .= " " if $rpath ne ""; +			$libs.=$_." ".$rpath; +			} +		elsif (/^-static$/) +			{ +			$libs.=$_." "; +			$disabled{"dso"} = "forced"; +			$disabled{"pic"} = "forced"; +			$disabled{"shared"} = "forced"; +			$disabled{"threads"} = "forced"; +			} +		elsif (/^-D(.*)$/) +			{ +			push @user_defines, $1; +			} +		else	# common if (/^[-+]/), just pass down... +			{ +			$_ =~ s/%([0-9a-f]{1,2})/chr(hex($1))/gei; +			$user_cflags.=" ".$_; +			} +		} +	else +		{ +		die "target already defined - $target (offending arg: $_)\n" if ($target ne ""); +		$target=$_; +		} +	unless ($_ eq $target || /^no-/ || /^disable-/) +		{ +		# "no-..." follows later after implied disactivations +		# have been derived.  (Don't take this too seriously, +		# we really only write OPTIONS to the Makefile out of +		# nostalgia.) + +		if ($config{options} eq "") +			{ $config{options} = $_; } +		else +			{ $config{options} .= " ".$_; } +		} + +        if (defined($config{api}) && !exists $apitable->{$config{api}}) { +		die "***** Unsupported api compatibility level: $config{api}\n", +        } + +	if (keys %deprecated_options) +		{ +		warn "***** Deprecated options: ", +			join(", ", keys %deprecated_options), "\n"; +		} +	if (keys %unsupported_options) +		{ +		die "***** Unsupported options: ", +			join(", ", keys %unsupported_options), "\n"; +		} +	} + +if ($libs =~ /(^|\s)-Wl,-rpath,/ +    && !$disabled{shared} +    && !($disabled{asan} && $disabled{msan} && $disabled{ubsan})) { +    die "***** Cannot simultaneously use -rpath, shared libraries, and\n", +	"***** any of asan, msan or ubsan\n"; +} + +if ($config{fips}) +	{ +	delete $disabled{"shared"} if ($disabled{"shared"} =~ /^default/); +	} +else +	{ +	@{$config{dirs}} = grep !/^fips$/, @{$config{dirs}}; +	} + +my @tocheckfor = (keys %disabled); +while (@tocheckfor) { +    my %new_tocheckfor = (); +    my @cascade_copy = (@disable_cascades); +    while (@cascade_copy) { +	my ($test, $descendents) = (shift @cascade_copy, shift @cascade_copy); +	if (ref($test) eq "CODE" ? $test->() : defined($disabled{$test})) { +	    foreach(grep { !defined($disabled{$_}) } @$descendents) { +		$new_tocheckfor{$_} = 1; $disabled{$_} = "forced"; +	    } +	} +    } +    @tocheckfor = (keys %new_tocheckfor); +} + +our $die = sub { die @_; }; +if ($target eq "TABLE") { +    local $die = sub { warn @_; }; +    foreach (sort keys %table) { +	print_table_entry($_, "TABLE"); +    } +    exit 0; +} + +if ($target eq "LIST") { +    foreach (sort keys %table) { +	print $_,"\n" unless $table{$_}->{template}; +    } +    exit 0; +} + +if ($target eq "HASH") { +    local $die = sub { warn @_; }; +    print "%table = (\n"; +    foreach (sort keys %table) { +	print_table_entry($_, "HASH"); +    } +    exit 0; +} + +# Backward compatibility? +if ($target =~ m/^CygWin32(-.*)$/) { +    $target = "Cygwin".$1; +} + +foreach (sort (keys %disabled)) +	{ +	$config{options} .= " no-$_"; + +	printf "    no-%-12s %-10s", $_, "[$disabled{$_}]"; + +	if (/^dso$/) +		{ } +	elsif (/^threads$/) +		{ } +	elsif (/^shared$/) +		{ } +	elsif (/^pic$/) +		{ } +	elsif (/^zlib$/) +		{ } +	elsif (/^dynamic-engine$/) +		{ } +	elsif (/^makedepend$/) +		{ } +	elsif (/^zlib-dynamic$/) +		{ } +	elsif (/^sse2$/) +		{ } +	elsif (/^engine$/) +		{ +		@{$config{dirs}} = grep !/^engines$/, @{$config{dirs}}; +		@{$config{sdirs}} = grep !/^engine$/, @{$config{sdirs}}; +		push @{$config{openssl_other_defines}}, "OPENSSL_NO_ENGINE"; +		print " OPENSSL_NO_ENGINE (skip engines)"; +		} +	else +		{ +		my ($WHAT, $what); + +		($WHAT = $what = $_) =~ tr/[\-a-z]/[_A-Z]/; + +		# Fix up C macro end names +		$WHAT = "RMD160" if $what eq "ripemd"; + +		# fix-up crypto/directory name(s) +		$what = "ripemd" if $what eq "rmd160"; +		$what = "whrlpool" if $what eq "whirlpool"; + +		if ($what ne "async" && $what ne "err" +		    && grep { $_ eq $what } @{$config{sdirs}}) +			{ +			push @{$config{openssl_algorithm_defines}}, "OPENSSL_NO_$WHAT"; +			@{$config{sdirs}} = grep { $_ ne $what} @{$config{sdirs}}; + +			print " OPENSSL_NO_$WHAT (skip dir)"; +			} +		else +			{ +			push @{$config{openssl_other_defines}}, "OPENSSL_NO_$WHAT"; +			print " OPENSSL_NO_$WHAT"; +			} +		} + +	print "\n"; +	} + +print "Configuring for $target\n"; + +# Support for legacy targets having a name starting with 'debug-' +my ($d, $t) = $target =~ m/^(debug-)?(.*)$/; +if ($d) { +    $config{build_type} = "debug"; + +    # If we do not find debug-foo in the table, the target is set to foo. +    if (!$table{$target}) { +	$target = $t; +    } +} +$config{target} = $target; +my %target = resolve_config($target); + +&usage if (!%target || $target{template}); + +my %conf_files = map { $_ => 1 } (@{$target{_conf_fname_int}}); +$config{conf_files} = [ sort keys %conf_files ]; +%target = ( %{$table{DEFAULTS}}, %target ); + +$target{exe_extension}=""; +$target{exe_extension}=".exe" if ($config{target} eq "DJGPP" +                                  || $config{target} =~ /^(?:Cygwin|mingw)/); +$target{exe_extension}=".pm"  if ($config{target} =~ /vos/); + +($target{shared_extension_simple}=$target{shared_extension}) +    =~ s|\.\$\(SHLIB_MAJOR\)\.\$\(SHLIB_MINOR\)||; +$target{dso_extension}=$target{shared_extension_simple}; +($target{shared_import_extension}=$target{shared_extension_simple}.".a") +    if ($config{target} =~ /^(?:Cygwin|mingw)/); + + +$config{cross_compile_prefix} = $ENV{'CROSS_COMPILE'} +    if $config{cross_compile_prefix} eq ""; + +# Allow overriding the names of some tools.  USE WITH CARE +# Note: only Unix cares about HASHBANGPERL...  that explains +# the default string. +$config{perl} =    $ENV{'PERL'}    || ($^O ne "VMS" ? $^X : "perl"); +$config{hashbangperl} = +    $ENV{'HASHBANGPERL'}           || $ENV{'PERL'}     || "/usr/bin/env perl"; +$target{cc} =      $ENV{'CC'}      || $target{cc}      || "cc"; +$target{ranlib} =  $ENV{'RANLIB'}  || $target{ranlib}  || +                   (which("$config{cross_compile_prefix}ranlib") ? +                          "\$(CROSS_COMPILE)ranlib" : "true"); +$target{ar} =      $ENV{'AR'}      || $target{ar}      || "ar"; +$target{nm} =      $ENV{'NM'}      || $target{nm}      || "nm"; +$target{rc} = +    $ENV{'RC'}  || $ENV{'WINDRES'} || $target{rc}      || "windres"; + +# Allow overriding the build file name +$target{build_file} = $ENV{BUILDFILE} || $target{build_file} || "Makefile"; + +# Cache information necessary for reconfiguration +$config{cc} = $target{cc}; +$config{build_file} = $target{build_file}; + +# For cflags, lflags, plib_lflags, ex_libs and defines, add the debug_ +# or release_ attributes. +# Do it in such a way that no spurious space is appended (hence the grep). +$config{defines} = []; +$config{cflags} = ""; +$config{ex_libs} = ""; +$config{shared_ldflag} = ""; + +# Make sure build_scheme is consistent. +$target{build_scheme} = [ $target{build_scheme} ] +    if ref($target{build_scheme}) ne "ARRAY"; + +my ($builder, $builder_platform, @builder_opts) = +    @{$target{build_scheme}}; + +foreach my $checker (($builder_platform."-".$target{build_file}."-checker.pm", +                      $builder_platform."-checker.pm")) { +    my $checker_path = catfile($srcdir, "Configurations", $checker); +    if (-f $checker_path) { +        my $fn = $ENV{CONFIGURE_CHECKER_WARN} +            ? sub { warn $@; } : sub { die $@; }; +        if (! do $checker_path) { +            if ($@) { +                $fn->($@); +            } elsif ($!) { +                $fn->($!); +            } else { +                $fn->("The detected tools didn't match the platform\n"); +            } +        } +        last; +    } +} + +push @{$config{defines}}, "NDEBUG"    if $config{build_type} eq "release"; + +if ($target =~ /^mingw/ && `$target{cc} --target-help 2>&1` =~ m/-mno-cygwin/m) +	{ +	$config{cflags} .= " -mno-cygwin"; +	$config{shared_ldflag} .= " -mno-cygwin"; +	} + +if ($target =~ /linux.*-mips/ && !$disabled{asm} && $user_cflags !~ /-m(ips|arch=)/) { +	# minimally required architecture flags for assembly modules +	$config{cflags}="-mips2 $config{cflags}" if ($target =~ /mips32/); +	$config{cflags}="-mips3 $config{cflags}" if ($target =~ /mips64/); +} + +my $no_shared_warn=0; +my $no_user_cflags=0; +my $no_user_defines=0; + +# The DSO code currently always implements all functions so that no +# applications will have to worry about that from a compilation point +# of view. However, the "method"s may return zero unless that platform +# has support compiled in for them. Currently each method is enabled +# by a define "DSO_<name>" ... we translate the "dso_scheme" config +# string entry into using the following logic; +if (!$disabled{dso} && $target{dso_scheme} ne "") +	{ +	$target{dso_scheme} =~ tr/[a-z]/[A-Z]/; +	if ($target{dso_scheme} eq "DLFCN") +		{ +		unshift @{$config{defines}}, "DSO_DLFCN", "HAVE_DLFCN_H"; +		} +	elsif ($target{dso_scheme} eq "DLFCN_NO_H") +		{ +		unshift @{$config{defines}}, "DSO_DLFCN"; +		} +	else +		{ +		unshift @{$config{defines}}, "DSO_$target{dso_scheme}"; +		} +	} + +$config{ex_libs}="$libs$config{ex_libs}" if ($libs ne ""); + +if ($disabled{asm}) +	{ +	if ($config{fips}) +		{ +		@{$config{defines}} = grep !/^[BL]_ENDIAN$/, @{$config{defines}}; +		@{$target{defines}} = grep !/^[BL]_ENDIAN$/, @{$target{defines}}; +		} +	} + +# If threads aren't disabled, check how possible they are +unless ($disabled{threads}) { +    if ($auto_threads) { +        # Enabled by default, disable it forcibly if unavailable +        if ($target{thread_scheme} eq "(unknown)") { +            $disabled{threads} = "unavailable"; +        } +    } else { +        # The user chose to enable threads explicitly, let's see +        # if there's a chance that's possible +        if ($target{thread_scheme} eq "(unknown)") { +            # If the user asked for "threads" and we don't have internal +            # knowledge how to do it, [s]he is expected to provide any +            # system-dependent compiler options that are necessary.  We +            # can't truly check that the given options are correct, but +            # we expect the user to know what [s]He is doing. +            if ($no_user_cflags && $no_user_defines) { +                die "You asked for multi-threading support, but didn't\n" +                    ,"provide any system-specific compiler options\n"; +            } +        } +    } +} + +# If threads still aren't disabled, add a C macro to ensure the source +# code knows about it.  Any other flag is taken care of by the configs. +unless($disabled{threads}) { +    foreach (("defines", "openssl_thread_defines")) { +        push @{$config{$_}}, "OPENSSL_THREADS"; +    } +} + +# With "deprecated" disable all deprecated features. +if (defined($disabled{"deprecated"})) { +        $config{api} = $maxapi; +} + +if ($target{shared_target} eq "") +	{ +	$no_shared_warn = 1 +	    if ((!$disabled{shared} || !$disabled{"dynamic-engine"}) +		&& !$config{fips}); +	$disabled{shared} = "no-shared-target"; +	$disabled{pic} = $disabled{shared} = $disabled{"dynamic-engine"} = +	    "no-shared-target"; +	} + +if ($disabled{"dynamic-engine"}) { +        push @{$config{defines}}, "OPENSSL_NO_DYNAMIC_ENGINE"; +        $config{dynamic_engines} = 0; +} else { +        push @{$config{defines}}, "OPENSSL_NO_STATIC_ENGINE"; +        $config{dynamic_engines} = 1; +} + +unless ($disabled{"fuzz-libfuzzer"}) { +    $config{cflags} .= "-fsanitize-coverage=edge,indirect-calls "; +} + +unless ($disabled{asan}) { +    $config{cflags} .= "-fsanitize=address "; +} + +unless ($disabled{ubsan}) { +    # -DPEDANTIC or -fnosanitize=alignment may also be required on some +    # platforms. +    $config{cflags} .= "-fsanitize=undefined -fno-sanitize-recover=all "; +} + +unless ($disabled{msan}) { +  $config{cflags} .= "-fsanitize=memory "; +} + +unless ($disabled{"fuzz-libfuzzer"} && $disabled{"fuzz-afl"} +        && $disabled{asan} && $disabled{ubsan} && $disabled{msan}) { +    $config{cflags} .= "-fno-omit-frame-pointer -g "; +} +# +# Platform fix-ups +# + +# This saves the build files from having to check +if ($disabled{pic}) +	{ +	$target{shared_cflag} = $target{shared_ldflag} = +		$target{shared_rcflag} = ""; +	} +else +	{ +	push @{$config{defines}}, "OPENSSL_PIC"; +	} + +if ($target{sys_id} ne "") +	{ +	push @{$config{openssl_sys_defines}}, "OPENSSL_SYS_$target{sys_id}"; +	} + +unless ($disabled{asm}) { +    $target{cpuid_asm_src}=$table{DEFAULTS}->{cpuid_asm_src} if ($config{processor} eq "386"); +    $target{bn_asm_src} =~ s/\w+-gf2m.c// if (defined($disabled{ec2m})); + +    # bn-586 is the only one implementing bn_*_part_words +    push @{$config{defines}}, "OPENSSL_BN_ASM_PART_WORDS" if ($target{bn_asm_src} =~ /bn-586/); +    push @{$config{defines}}, "OPENSSL_IA32_SSE2" if (!$disabled{sse2} && $target{bn_asm_src} =~ /86/); + +    push @{$config{defines}}, "OPENSSL_BN_ASM_MONT" if ($target{bn_asm_src} =~ /-mont/); +    push @{$config{defines}}, "OPENSSL_BN_ASM_MONT5" if ($target{bn_asm_src} =~ /-mont5/); +    push @{$config{defines}}, "OPENSSL_BN_ASM_GF2m" if ($target{bn_asm_src} =~ /-gf2m/); + +    if ($config{fips}) { +	push @{$config{openssl_other_defines}}, "OPENSSL_FIPS"; +    } + +    if ($target{sha1_asm_src}) { +	push @{$config{defines}}, "SHA1_ASM"   if ($target{sha1_asm_src} =~ /sx86/ || $target{sha1_asm_src} =~ /sha1/); +	push @{$config{defines}}, "SHA256_ASM" if ($target{sha1_asm_src} =~ /sha256/); +	push @{$config{defines}}, "SHA512_ASM" if ($target{sha1_asm_src} =~ /sha512/); +    } +    if ($target{rc4_asm_src} ne $table{DEFAULTS}->{rc4_asm_src}) { +	push @{$config{defines}}, "RC4_ASM"; +    } +    if ($target{md5_asm_src}) { +	push @{$config{defines}}, "MD5_ASM"; +    } +    $target{cast_asm_src}=$table{DEFAULTS}->{cast_asm_src} unless $disabled{pic}; # CAST assembler is not PIC +    if ($target{rmd160_asm_src}) { +	push @{$config{defines}}, "RMD160_ASM"; +    } +    if ($target{aes_asm_src}) { +	push @{$config{defines}}, "AES_ASM" if ($target{aes_asm_src} =~ m/\baes-/);; +	# aes-ctr.fake is not a real file, only indication that assembler +	# module implements AES_ctr32_encrypt... +	push @{$config{defines}}, "AES_CTR_ASM" if ($target{aes_asm_src} =~ s/\s*aes-ctr\.fake//); +	# aes-xts.fake indicates presence of AES_xts_[en|de]crypt... +	push @{$config{defines}}, "AES_XTS_ASM" if ($target{aes_asm_src} =~ s/\s*aes-xts\.fake//); +	$target{aes_asm_src} =~ s/\s*(vpaes|aesni)-x86\.s//g if ($disabled{sse2}); +	push @{$config{defines}}, "VPAES_ASM" if ($target{aes_asm_src} =~ m/vpaes/); +	push @{$config{defines}}, "BSAES_ASM" if ($target{aes_asm_src} =~ m/bsaes/); +    } +    if ($target{wp_asm_src} =~ /mmx/) { +        if ($config{processor} eq "386") { +	    $target{wp_asm_src}=$table{DEFAULTS}->{wp_asm_src}; +	} elsif (!$disabled{"whirlpool"}) { +	    push @{$config{defines}}, "WHIRLPOOL_ASM"; +	} +    } +    if ($target{modes_asm_src} =~ /ghash-/) { +	push @{$config{defines}}, "GHASH_ASM"; +    } +    if ($target{ec_asm_src} =~ /ecp_nistz256/) { +	push @{$config{defines}}, "ECP_NISTZ256_ASM"; +    } +    if ($target{padlock_asm_src} ne $table{DEFAULTS}->{padlock_asm_src}) { +	push @{$config{defines}}, "PADLOCK_ASM"; +    } +    if ($target{poly1305_asm_src} ne "") { +	push @{$config{defines}}, "POLY1305_ASM"; +    } +} + +my %predefined; + +if ($^O ne "VMS") { +    my $cc = "$config{cross_compile_prefix}$target{cc}"; + +    # collect compiler pre-defines from gcc or gcc-alike... +    open(PIPE, "$cc -dM -E -x c /dev/null 2>&1 |"); +    while (<PIPE>) { +	m/^#define\s+(\w+(?:\(\w+\))?)(?:\s+(.+))?/ or last; +	$predefined{$1} = $2 // ""; +    } +    close(PIPE); + +    if (!$disabled{makedepend}) { +	# We know that GNU C version 3 and up as well as all clang +	# versions support dependency generation +	if ($predefined{__GNUC__} >= 3) { +	    $config{makedepprog} = $cc; +	} else { +	    $config{makedepprog} = which('makedepend'); +	    $disabled{makedepend} = "unavailable" unless $config{makedepprog}; +	} +    } +} + + + +# Deal with bn_ops ################################################### + +$config{bn_ll}			=0; +$config{export_var_as_fn}	=0; +my $def_int="unsigned int"; +$config{rc4_int}		=$def_int; +($config{b64l},$config{b64},$config{b32})=(0,0,1); + +my $count = 0; +foreach (sort split(/\s+/,$target{bn_ops})) { +    $count++ if /SIXTY_FOUR_BIT|SIXTY_FOUR_BIT_LONG|THIRTY_TWO_BIT/; +    $config{export_var_as_fn}=1                 if $_ eq 'EXPORT_VAR_AS_FN'; +    $config{bn_ll}=1				if $_ eq 'BN_LLONG'; +    $config{rc4_int}="unsigned char"		if $_ eq 'RC4_CHAR'; +    ($config{b64l},$config{b64},$config{b32}) +	=(0,1,0)				if $_ eq 'SIXTY_FOUR_BIT'; +    ($config{b64l},$config{b64},$config{b32}) +	=(1,0,0)				if $_ eq 'SIXTY_FOUR_BIT_LONG'; +    ($config{b64l},$config{b64},$config{b32}) +	=(0,0,1)				if $_ eq 'THIRTY_TWO_BIT'; +} +die "Exactly one of SIXTY_FOUR_BIT|SIXTY_FOUR_BIT_LONG|THIRTY_TWO_BIT can be set in bn_ops\n" +    if $count > 1; + + +# Hack cflags for better warnings (dev option) ####################### + +# "Stringify" the C flags string.  This permits it to be made part of a string +# and works as well on command lines. +$config{cflags} =~ s/([\\\"])/\\$1/g; + +if (defined($config{api})) { +    $config{openssl_api_defines} = [ "OPENSSL_MIN_API=".$apitable->{$config{api}} ]; +    my $apiflag = sprintf("OPENSSL_API_COMPAT=%s", $apitable->{$config{api}}); +    push @{$config{defines}}, $apiflag; +} + +if ($strict_warnings) +	{ +	my $wopt; +	die "ERROR --strict-warnings requires gcc or gcc-alike" +            unless defined($predefined{__GNUC__}); +	foreach $wopt (split /\s+/, $gcc_devteam_warn) +		{ +		$config{cflags} .= " $wopt" unless ($config{cflags} =~ /(?:^|\s)$wopt(?:\s|$)/) +		} +	if (defined($predefined{__clang__})) +		{ +		foreach $wopt (split /\s+/, $clang_devteam_warn) +			{ +			$config{cflags} .= " $wopt" unless ($config{cflags} =~ /(?:^|\s)$wopt(?:\s|$)/) +			} +		} +	} + +unless ($disabled{"crypto-mdebug-backtrace"}) +	{ +	foreach my $wopt (split /\s+/, $memleak_devteam_backtrace) +		{ +		$config{cflags} .= " $wopt" unless ($config{cflags} =~ /(?:^|\s)$wopt(?:\s|$)/) +		} +	if ($target =~ /^BSD-/) +		{ +		$config{ex_libs} .= " -lexecinfo"; +		} +	} + +if ($user_cflags ne "") { $config{cflags}="$config{cflags}$user_cflags"; } +else                    { $no_user_cflags=1;  } +if (@user_defines) { $config{defines}=[ @{$config{defines}}, @user_defines ]; } +else               { $no_user_defines=1;    } + +# ALL MODIFICATIONS TO %config and %target MUST BE DONE FROM HERE ON + +unless ($disabled{afalgeng}) { +    $config{afalgeng}=""; +    if ($target =~ m/^linux/) { +        my $minver = 4*10000 + 1*100 + 0; +        if ($config{cross_compile_prefix} eq "") { +            my $verstr = `uname -r`; +            my ($ma, $mi1, $mi2) = split("\\.", $verstr); +            ($mi2) = $mi2 =~ /(\d+)/; +            my $ver = $ma*10000 + $mi1*100 + $mi2; +            if ($ver < $minver) { +                $disabled{afalgeng} = "too-old-kernel"; +            } else { +                push @{$config{engdirs}}, "afalg"; +            } +        } else { +            $disabled{afalgeng} = "cross-compiling"; +        } +    } else { +        $disabled{afalgeng}  = "not-linux"; +    } +} + +push @{$config{openssl_other_defines}}, "OPENSSL_NO_AFALGENG" if ($disabled{afalgeng}); + +# If we use the unified build, collect information from build.info files +my %unified_info = (); + +my $buildinfo_debug = defined($ENV{CONFIGURE_DEBUG_BUILDINFO}); +if ($builder eq "unified") { +    use with_fallback qw(Text::Template); + +    sub cleandir { +        my $base = shift; +        my $dir = shift; +        my $relativeto = shift || "."; + +        $dir = catdir($base,$dir) unless isabsolute($dir); + +        # Make sure the directories we're building in exists +        mkpath($dir); + +        my $res = abs2rel(absolutedir($dir), rel2abs($relativeto)); +        #print STDERR "DEBUG[cleandir]: $dir , $base => $res\n"; +        return $res; +    } + +    sub cleanfile { +        my $base = shift; +        my $file = shift; +        my $relativeto = shift || "."; + +        $file = catfile($base,$file) unless isabsolute($file); + +        my $d = dirname($file); +        my $f = basename($file); + +        # Make sure the directories we're building in exists +        mkpath($d); + +        my $res = abs2rel(catfile(absolutedir($d), $f), rel2abs($relativeto)); +        #print STDERR "DEBUG[cleanfile]: $d , $f => $res\n"; +        return $res; +    } + +    # Store the name of the template file we will build the build file from +    # in %config.  This may be useful for the build file itself. +    my @build_file_template_names = +	( $builder_platform."-".$target{build_file}.".tmpl", +	  $target{build_file}.".tmpl" ); +    my @build_file_templates = (); + +    # First, look in the user provided directory, if given +    if (defined $ENV{$local_config_envname}) { +	@build_file_templates = +	    map { +		if ($^O eq 'VMS') { +		    # VMS environment variables are logical names, +		    # which can be used as is +		    $local_config_envname . ':' . $_; +		} else { +		    catfile($ENV{$local_config_envname}, $_); +		} +	    } +	    @build_file_template_names; +    } +    # Then, look in our standard directory +    push @build_file_templates, +	( map { cleanfile($srcdir, catfile("Configurations", $_), $blddir) } +	  @build_file_template_names ); + +    my $build_file_template; +    for $_ (@build_file_templates) { +	$build_file_template = $_; +        last if -f $build_file_template; + +        $build_file_template = undef; +    } +    if (!defined $build_file_template) { +	die "*** Couldn't find any of:\n", join("\n", @build_file_templates), "\n"; +    } +    $config{build_file_templates} +      = [ $build_file_template, +          cleanfile($srcdir, catfile("Configurations", "common.tmpl"), +                    $blddir) ]; + +    my @build_infos = ( [ ".", "build.info" ] ); +    foreach (@{$config{dirs}}) { +        push @build_infos, [ $_, "build.info" ] +            if (-f catfile($srcdir, $_, "build.info")); +    } +    foreach (@{$config{sdirs}}) { +        push @build_infos, [ catdir("crypto", $_), "build.info" ] +            if (-f catfile($srcdir, "crypto", $_, "build.info")); +    } +    foreach (@{$config{engdirs}}) { +        push @build_infos, [ catdir("engines", $_), "build.info" ] +            if (-f catfile($srcdir, "engines", $_, "build.info")); +    } + +    $config{build_infos} = [ ]; + +    foreach (@build_infos) { +        my $sourced = catdir($srcdir, $_->[0]); +        my $buildd = catdir($blddir, $_->[0]); + +        mkpath($buildd); + +        my $f = $_->[1]; +        # The basic things we're trying to build +        my @programs = (); +        my @programs_install = (); +        my @libraries = (); +        my @libraries_install = (); +        my @engines = (); +        my @engines_install = (); +        my @scripts = (); +        my @scripts_install = (); +        my @extra = (); +        my @overrides = (); +        my @intermediates = (); +        my @rawlines = (); + +        my %ordinals = (); +        my %sources = (); +        my %shared_sources = (); +        my %includes = (); +        my %depends = (); +        my %renames = (); +        my %sharednames = (); +        my %generate = (); + +        # We want to detect configdata.pm in the source tree, so we +        # don't use it if the build tree is different. +        my $src_configdata = cleanfile($srcdir, "configdata.pm", $blddir); + +        push @{$config{build_infos}}, catfile(abs2rel($sourced, $blddir), $f); +        my $template = +            Text::Template->new(TYPE => 'FILE', +                                SOURCE => catfile($sourced, $f), +                                PREPEND => qq{use lib "$FindBin::Bin/util/perl";}); +        die "Something went wrong with $sourced/$f: $!\n" unless $template; +        my @text = +            split /^/m, +            $template->fill_in(HASH => { config => \%config, +                                         target => \%target, +                                         disabled => \%disabled, +                                         withargs => \%withargs, +                                         builddir => abs2rel($buildd, $blddir), +                                         sourcedir => abs2rel($sourced, $blddir), +                                         buildtop => abs2rel($blddir, $blddir), +                                         sourcetop => abs2rel($srcdir, $blddir) }, +                               DELIMITERS => [ "{-", "-}" ]); + +        # The top item of this stack has the following values +        # -2 positive already run and we found ELSE (following ELSIF should fail) +        # -1 positive already run (skip until ENDIF) +        # 0 negatives so far (if we're at a condition, check it) +        # 1 last was positive (don't skip lines until next ELSE, ELSIF or ENDIF) +        # 2 positive ELSE (following ELSIF should fail) +        my @skip = (); +        collect_information( +            collect_from_array([ @text ], +                               qr/\\$/ => sub { my $l1 = shift; my $l2 = shift; +                                                $l1 =~ s/\\$//; $l1.$l2 }), +            # Info we're looking for +            qr/^\s*IF\[((?:\\.|[^\\\]])*)\]\s*$/ +            => sub { +                if (! @skip || $skip[$#skip] > 0) { +                    push @skip, !! $1; +                } else { +                    push @skip, -1; +                } +            }, +            qr/^\s*ELSIF\[((?:\\.|[^\\\]])*)\]\s*$/ +            => sub { die "ELSIF out of scope" if ! @skip; +                     die "ELSIF following ELSE" if abs($skip[$#skip]) == 2; +                     $skip[$#skip] = -1 if $skip[$#skip] != 0; +                     $skip[$#skip] = !! $1 +                         if $skip[$#skip] == 0; }, +            qr/^\s*ELSE\s*$/ +            => sub { die "ELSE out of scope" if ! @skip; +                     $skip[$#skip] = -2 if $skip[$#skip] != 0; +                     $skip[$#skip] = 2 if $skip[$#skip] == 0; }, +            qr/^\s*ENDIF\s*$/ +            => sub { die "ENDIF out of scope" if ! @skip; +                     pop @skip; }, +            qr/^\s*PROGRAMS(_NO_INST)?\s*=\s*(.*)\s*$/ +            => sub { +                if (!@skip || $skip[$#skip] > 0) { +                    my $install = $1; +                    my @x = tokenize($2); +                    push @programs, @x; +                    push @programs_install, @x unless $install; +                } +            }, +            qr/^\s*LIBS(_NO_INST)?\s*=\s*(.*)\s*$/ +            => sub { +                if (!@skip || $skip[$#skip] > 0) { +                    my $install = $1; +                    my @x = tokenize($2); +                    push @libraries, @x; +                    push @libraries_install, @x unless $install; +                } +            }, +            qr/^\s*ENGINES(_NO_INST)?\s*=\s*(.*)\s*$/ +            => sub { +                if (!@skip || $skip[$#skip] > 0) { +                    my $install = $1; +                    my @x = tokenize($2); +                    push @engines, @x; +                    push @engines_install, @x unless $install; +                } +            }, +            qr/^\s*SCRIPTS(_NO_INST)?\s*=\s*(.*)\s*$/ +            => sub { +                if (!@skip || $skip[$#skip] > 0) { +                    my $install = $1; +                    my @x = tokenize($2); +                    push @scripts, @x; +                    push @scripts_install, @x unless $install; +                } +            }, +            qr/^\s*EXTRA\s*=\s*(.*)\s*$/ +            => sub { push @extra, tokenize($1) +                         if !@skip || $skip[$#skip] > 0 }, +            qr/^\s*OVERRIDES\s*=\s*(.*)\s*$/ +            => sub { push @overrides, tokenize($1) +                         if !@skip || $skip[$#skip] > 0 }, + +            qr/^\s*ORDINALS\[((?:\\.|[^\\\]])+)\]\s*=\s*(.*)\s*$/, +            => sub { push @{$ordinals{$1}}, tokenize($2) +                         if !@skip || $skip[$#skip] > 0 }, +            qr/^\s*SOURCE\[((?:\\.|[^\\\]])+)\]\s*=\s*(.*)\s*$/ +            => sub { push @{$sources{$1}}, tokenize($2) +                         if !@skip || $skip[$#skip] > 0 }, +            qr/^\s*SHARED_SOURCE\[((?:\\.|[^\\\]])+)\]\s*=\s*(.*)\s*$/ +            => sub { push @{$shared_sources{$1}}, tokenize($2) +                         if !@skip || $skip[$#skip] > 0 }, +            qr/^\s*INCLUDE\[((?:\\.|[^\\\]])+)\]\s*=\s*(.*)\s*$/ +            => sub { push @{$includes{$1}}, tokenize($2) +                         if !@skip || $skip[$#skip] > 0 }, +            qr/^\s*DEPEND\[((?:\\.|[^\\\]])*)\]\s*=\s*(.*)\s*$/ +            => sub { push @{$depends{$1}}, tokenize($2) +                         if !@skip || $skip[$#skip] > 0 }, +            qr/^\s*GENERATE\[((?:\\.|[^\\\]])+)\]\s*=\s*(.*)\s*$/ +            => sub { push @{$generate{$1}}, $2 +                         if !@skip || $skip[$#skip] > 0 }, +            qr/^\s*RENAME\[((?:\\.|[^\\\]])+)\]\s*=\s*(.*)\s*$/ +            => sub { push @{$renames{$1}}, tokenize($2) +                         if !@skip || $skip[$#skip] > 0 }, +            qr/^\s*SHARED_NAME\[((?:\\.|[^\\\]])+)\]\s*=\s*(.*)\s*$/ +            => sub { push @{$sharednames{$1}}, tokenize($2) +                         if !@skip || $skip[$#skip] > 0 }, +            qr/^\s*BEGINRAW\[((?:\\.|[^\\\]])+)\]\s*$/ +            => sub { +                my $lineiterator = shift; +                my $target_kind = $1; +                while (defined $lineiterator->()) { +                    s|\R$||; +                    if (/^\s*ENDRAW\[((?:\\.|[^\\\]])+)\]\s*$/) { +                        die "ENDRAW doesn't match BEGINRAW" +                            if $1 ne $target_kind; +                        last; +                    } +                    next if @skip && $skip[$#skip] <= 0; +                    push @rawlines,  $_ +                        if ($target_kind eq $target{build_file} +                            || $target_kind eq $target{build_file}."(".$builder_platform.")"); +                } +            }, +            qr/^(?:#.*|\s*)$/ => sub { }, +            "OTHERWISE" => sub { die "Something wrong with this line:\n$_\nat $sourced/$f" }, +            "BEFORE" => sub { +                if ($buildinfo_debug) { +                    print STDERR "DEBUG: Parsing ",join(" ", @_),"\n"; +                    print STDERR "DEBUG: ... before parsing, skip stack is ",join(" ", map { int($_) } @skip),"\n"; +                } +            }, +            "AFTER" => sub { +                if ($buildinfo_debug) { +                    print STDERR "DEBUG: .... after parsing, skip stack is ",join(" ", map { int($_) } @skip),"\n"; +                } +            }, +            ); +        die "runaway IF?" if (@skip); + +        foreach (keys %renames) { +            die "$_ renamed to more than one thing: " +                ,join(" ", @{$renames{$_}}),"\n" +                if scalar @{$renames{$_}} > 1; +            my $dest = cleanfile($buildd, $_, $blddir); +            my $to = cleanfile($buildd, $renames{$_}->[0], $blddir); +            die "$dest renamed to more than one thing: " +                ,$unified_info{rename}->{$dest}, $to +                unless !defined($unified_info{rename}->{$dest}) +                or $unified_info{rename}->{$dest} eq $to; +            $unified_info{rename}->{$dest} = $to; +        } + +        foreach (@programs) { +            my $program = cleanfile($buildd, $_, $blddir); +            if ($unified_info{rename}->{$program}) { +                $program = $unified_info{rename}->{$program}; +            } +            $unified_info{programs}->{$program} = 1; +        } + +        foreach (@programs_install) { +            my $program = cleanfile($buildd, $_, $blddir); +            if ($unified_info{rename}->{$program}) { +                $program = $unified_info{rename}->{$program}; +            } +            $unified_info{install}->{programs}->{$program} = 1; +        } + +        foreach (@libraries) { +            my $library = cleanfile($buildd, $_, $blddir); +            if ($unified_info{rename}->{$library}) { +                $library = $unified_info{rename}->{$library}; +            } +            $unified_info{libraries}->{$library} = 1; +        } + +        foreach (@libraries_install) { +            my $library = cleanfile($buildd, $_, $blddir); +            if ($unified_info{rename}->{$library}) { +                $library = $unified_info{rename}->{$library}; +            } +            $unified_info{install}->{libraries}->{$library} = 1; +        } + +        die <<"EOF" if scalar @engines and !$config{dynamic_engines}; +ENGINES can only be used if configured with 'dynamic-engine'. +This is usually a fault in a build.info file. +EOF +        foreach (@engines) { +            my $library = cleanfile($buildd, $_, $blddir); +            if ($unified_info{rename}->{$library}) { +                $library = $unified_info{rename}->{$library}; +            } +            $unified_info{engines}->{$library} = 1; +        } + +        foreach (@engines_install) { +            my $library = cleanfile($buildd, $_, $blddir); +            if ($unified_info{rename}->{$library}) { +                $library = $unified_info{rename}->{$library}; +            } +            $unified_info{install}->{engines}->{$library} = 1; +        } + +        foreach (@scripts) { +            my $script = cleanfile($buildd, $_, $blddir); +            if ($unified_info{rename}->{$script}) { +                $script = $unified_info{rename}->{$script}; +            } +            $unified_info{scripts}->{$script} = 1; +        } + +        foreach (@scripts_install) { +            my $script = cleanfile($buildd, $_, $blddir); +            if ($unified_info{rename}->{$script}) { +                $script = $unified_info{rename}->{$script}; +            } +            $unified_info{install}->{scripts}->{$script} = 1; +        } + +        foreach (@extra) { +            my $extra = cleanfile($buildd, $_, $blddir); +            $unified_info{extra}->{$extra} = 1; +        } + +        foreach (@overrides) { +            my $override = cleanfile($buildd, $_, $blddir); +            $unified_info{overrides}->{$override} = 1; +        } + +        push @{$unified_info{rawlines}}, @rawlines; + +        unless ($disabled{shared}) { +            # Check sharednames. +            foreach (keys %sharednames) { +                my $dest = cleanfile($buildd, $_, $blddir); +                if ($unified_info{rename}->{$dest}) { +                    $dest = $unified_info{rename}->{$dest}; +                } +                die "shared_name for $dest with multiple values: " +                    ,join(" ", @{$sharednames{$_}}),"\n" +                    if scalar @{$sharednames{$_}} > 1; +                my $to = cleanfile($buildd, $sharednames{$_}->[0], $blddir); +                die "shared_name found for a library $dest that isn't defined\n" +                    unless $unified_info{libraries}->{$dest}; +                die "shared_name for $dest with multiple values: " +                    ,$unified_info{sharednames}->{$dest}, ", ", $to +                    unless !defined($unified_info{sharednames}->{$dest}) +                    or $unified_info{sharednames}->{$dest} eq $to; +                $unified_info{sharednames}->{$dest} = $to; +            } + +            # Additionally, we set up sharednames for libraries that don't +            # have any, as themselves. +            foreach (keys %{$unified_info{libraries}}) { +                if (!defined $unified_info{sharednames}->{$_}) { +                    $unified_info{sharednames}->{$_} = $_ +                } +            } +        } + +        foreach (keys %ordinals) { +            my $dest = $_; +            my $ddest = cleanfile($buildd, $_, $blddir); +            if ($unified_info{rename}->{$ddest}) { +                $ddest = $unified_info{rename}->{$ddest}; +            } +            foreach (@{$ordinals{$dest}}) { +                my %known_ordinals = +                    ( +                     crypto => +                     cleanfile($sourced, catfile("util", "libcrypto.num"), $blddir), +                     ssl => +                     cleanfile($sourced, catfile("util", "libssl.num"), $blddir) +                    ); +                my $o = $known_ordinals{$_}; +                die "Ordinals for $ddest defined more than once\n" +                    if $unified_info{ordinals}->{$ddest}; +                $unified_info{ordinals}->{$ddest} = [ $_, $o ]; +            } +        } + +        foreach (keys %sources) { +            my $dest = $_; +            my $ddest = cleanfile($buildd, $_, $blddir); +            if ($unified_info{rename}->{$ddest}) { +                $ddest = $unified_info{rename}->{$ddest}; +            } +            foreach (@{$sources{$dest}}) { +                my $s = cleanfile($sourced, $_, $blddir); + +                # If it isn't in the source tree, we assume it's generated +                # in the build tree +                if ($s eq $src_configdata || ! -f $s || $generate{$_}) { +                    $s = cleanfile($buildd, $_, $blddir); +                } +                # We recognise C and asm files +                if ($s =~ /\.[csS]\b$/) { +                    (my $o = $_) =~ s/\.[csS]\b$/.o/; +                    $o = cleanfile($buildd, $o, $blddir); +                    $unified_info{sources}->{$ddest}->{$o} = 1; +                    $unified_info{sources}->{$o}->{$s} = 1; +                } else { +                    $unified_info{sources}->{$ddest}->{$s} = 1; +                } +            } +        } + +        foreach (keys %shared_sources) { +            my $dest = $_; +            my $ddest = cleanfile($buildd, $_, $blddir); +            if ($unified_info{rename}->{$ddest}) { +                $ddest = $unified_info{rename}->{$ddest}; +            } +            foreach (@{$shared_sources{$dest}}) { +                my $s = cleanfile($sourced, $_, $blddir); + +                # If it isn't in the source tree, we assume it's generated +                # in the build tree +                if ($s eq $src_configdata || ! -f $s || $generate{$_}) { +                    $s = cleanfile($buildd, $_, $blddir); +                } +                # We recognise C and asm files +                if ($s =~ /\.[csS]\b$/) { +                    (my $o = $_) =~ s/\.[csS]\b$/.o/; +                    $o = cleanfile($buildd, $o, $blddir); +                    $unified_info{shared_sources}->{$ddest}->{$o} = 1; +                    $unified_info{sources}->{$o}->{$s} = 1; +                } else { +                    die "unrecognised source file type for shared library: $s\n"; +                } +            } +        } + +        foreach (keys %generate) { +            my $dest = $_; +            my $ddest = cleanfile($buildd, $_, $blddir); +            if ($unified_info{rename}->{$ddest}) { +                $ddest = $unified_info{rename}->{$ddest}; +            } +            die "more than one generator for $dest: " +                    ,join(" ", @{$generate{$_}}),"\n" +                    if scalar @{$generate{$_}} > 1; +            my @generator = split /\s+/, $generate{$dest}->[0]; +            $generator[0] = cleanfile($sourced, $generator[0], $blddir), +            $unified_info{generate}->{$ddest} = [ @generator ]; +        } + +        foreach (keys %depends) { +            my $dest = $_; +            my $ddest = $dest eq "" ? "" : cleanfile($sourced, $_, $blddir); + +            # If the destination doesn't exist in source, it can only be +            # a generated file in the build tree. +            if ($ddest ne "" && ($ddest eq $src_configdata || ! -f $ddest)) { +                $ddest = cleanfile($buildd, $_, $blddir); +                if ($unified_info{rename}->{$ddest}) { +                    $ddest = $unified_info{rename}->{$ddest}; +                } +            } +            foreach (@{$depends{$dest}}) { +                my $d = cleanfile($sourced, $_, $blddir); + +                # If we know it's generated, or assume it is because we can't +                # find it in the source tree, we set file we depend on to be +                # in the build tree rather than the source tree, and assume +                # and that there are lines to build it in a BEGINRAW..ENDRAW +                # section or in the Makefile template. +                if ($d eq $src_configdata +                    || ! -f $d +                    || (grep { $d eq $_ } +                        map { cleanfile($srcdir, $_, $blddir) } +                        grep { /\.h$/ } keys %{$unified_info{generate}})) { +                    $d = cleanfile($buildd, $_, $blddir); +                } +                # Take note if the file to depend on is being renamed +                if ($unified_info{rename}->{$d}) { +                    $d = $unified_info{rename}->{$d}; +                } +                $unified_info{depends}->{$ddest}->{$d} = 1; +            } +        } + +        foreach (keys %includes) { +            my $dest = $_; +            my $ddest = cleanfile($sourced, $_, $blddir); + +            # If the destination doesn't exist in source, it can only be +            # a generated file in the build tree. +            if ($ddest eq $src_configdata || ! -f $ddest) { +                $ddest = cleanfile($buildd, $_, $blddir); +                if ($unified_info{rename}->{$ddest}) { +                    $ddest = $unified_info{rename}->{$ddest}; +                } +            } +            foreach (@{$includes{$dest}}) { +                my $is = cleandir($sourced, $_, $blddir); +                my $ib = cleandir($buildd, $_, $blddir); +                push @{$unified_info{includes}->{$ddest}->{source}}, $is +                    unless grep { $_ eq $is } @{$unified_info{includes}->{$ddest}->{source}}; +                push @{$unified_info{includes}->{$ddest}->{build}}, $ib +                    unless grep { $_ eq $ib } @{$unified_info{includes}->{$ddest}->{build}}; +            } +        } +    } + +    # Massage the result + +    # If we depend on a header file or a perl module, add an inclusion of +    # its directory to allow smoothe inclusion +    foreach my $dest (keys %{$unified_info{depends}}) { +        next if $dest eq ""; +        foreach my $d (keys %{$unified_info{depends}->{$dest}}) { +            next unless $d =~ /\.(h|pm)$/; +            my $i = dirname($d); +            my $spot = +                $d eq "configdata.pm" || defined($unified_info{generate}->{$d}) +                ? 'build' : 'source'; +            push @{$unified_info{includes}->{$dest}->{$spot}}, $i +                unless grep { $_ eq $i } @{$unified_info{includes}->{$dest}->{$spot}}; +        } +    } + +    # Trickle down includes placed on libraries, engines and programs to +    # their sources (i.e. object files) +    foreach my $dest (keys %{$unified_info{engines}}, +                      keys %{$unified_info{libraries}}, +                      keys %{$unified_info{programs}}) { +        foreach my $k (("source", "build")) { +            next unless defined($unified_info{includes}->{$dest}->{$k}); +            my @incs = reverse @{$unified_info{includes}->{$dest}->{$k}}; +            foreach my $obj (grep /\.o$/, +                             (keys %{$unified_info{sources}->{$dest}}, +                              keys %{$unified_info{shared_sources}->{$dest}})) { +                foreach my $inc (@incs) { +                    unshift @{$unified_info{includes}->{$obj}->{$k}}, $inc +                        unless grep { $_ eq $inc } @{$unified_info{includes}->{$obj}->{$k}}; +                } +            } +        } +        delete $unified_info{includes}->{$dest}; +    } + +    ### Make unified_info a bit more efficient +    # One level structures +    foreach (("programs", "libraries", "engines", "scripts", "extra", "overrides")) { +        $unified_info{$_} = [ sort keys %{$unified_info{$_}} ]; +    } +    # Two level structures +    foreach my $l1 (("install", "sources", "shared_sources", "ldadd", "depends")) { +        foreach my $l2 (sort keys %{$unified_info{$l1}}) { +            $unified_info{$l1}->{$l2} = +                [ sort keys %{$unified_info{$l1}->{$l2}} ]; +        } +    } +    # Includes +    foreach my $dest (sort keys %{$unified_info{includes}}) { +        if (defined($unified_info{includes}->{$dest}->{build})) { +            my @source_includes = (); +            @source_includes = ( @{$unified_info{includes}->{$dest}->{source}} ) +                if defined($unified_info{includes}->{$dest}->{source}); +            $unified_info{includes}->{$dest} = +                [ @{$unified_info{includes}->{$dest}->{build}} ]; +            foreach my $inc (@source_includes) { +                push @{$unified_info{includes}->{$dest}}, $inc +                    unless grep { $_ eq $inc } @{$unified_info{includes}->{$dest}}; +            } +        } else { +            $unified_info{includes}->{$dest} = +                [ @{$unified_info{includes}->{$dest}->{source}} ]; +        } +    } +} + +# For the schemes that need it, we provide the old *_obj configs +# from the *_asm_obj ones +foreach (grep /_(asm|aux)_src$/, keys %target) { +    my $src = $_; +    (my $obj = $_) =~ s/_(asm|aux)_src$/_obj/; +    ($target{$obj} = $target{$src}) =~ s/\.[csS]\b/.o/g; +} + +# Write down our configuration where it fits ######################### + +open(OUT,">configdata.pm") || die "unable to create configdata.pm: $!\n"; +print OUT <<"EOF"; +package configdata; + +use strict; +use warnings; + +use Exporter; +#use vars qw(\@ISA \@EXPORT); +our \@ISA = qw(Exporter); +our \@EXPORT = qw(\%config \%target \%disabled \%withargs \%unified_info \@disablables); + +EOF +print OUT "our %config = (\n"; +foreach (sort keys %config) { +    if (ref($config{$_}) eq "ARRAY") { +	print OUT "  ", $_, " => [ ", join(", ", +					   map { quotify("perl", $_) } +					   @{$config{$_}}), " ],\n"; +    } else { +	print OUT "  ", $_, " => ", quotify("perl", $config{$_}), ",\n" +    } +} +print OUT <<"EOF"; +); + +EOF +print OUT "our %target = (\n"; +foreach (sort keys %target) { +    if (ref($target{$_}) eq "ARRAY") { +	print OUT "  ", $_, " => [ ", join(", ", +					   map { quotify("perl", $_) } +					   @{$target{$_}}), " ],\n"; +    } else { +	print OUT "  ", $_, " => ", quotify("perl", $target{$_}), ",\n" +    } +} +print OUT <<"EOF"; +); + +EOF +print OUT "our \%available_protocols = (\n"; +print OUT "  tls => [ ", join(", ", map { quotify("perl", $_) } @tls), " ],\n"; +print OUT "  dtls => [ ", join(", ", map { quotify("perl", $_) } @dtls), " ],\n"; +print OUT <<"EOF"; +); + +EOF +print OUT "our \@disablables = (\n"; +foreach (@disablables) { +    print OUT "  ", quotify("perl", $_), ",\n"; +} +print OUT <<"EOF"; +); + +EOF +print OUT "our \%disabled = (\n"; +foreach (sort keys %disabled) { +    print OUT "  ", quotify("perl", $_), " => ", quotify("perl", $disabled{$_}), ",\n"; +} +print OUT <<"EOF"; +); + +EOF +print OUT "our %withargs = (\n"; +foreach (sort keys %withargs) { +    if (ref($withargs{$_}) eq "ARRAY") { +	print OUT "  ", $_, " => [ ", join(", ", +					   map { quotify("perl", $_) } +					   @{$withargs{$_}}), " ],\n"; +    } else { +	print OUT "  ", $_, " => ", quotify("perl", $withargs{$_}), ",\n" +    } +} +print OUT <<"EOF"; +); + +EOF +if ($builder eq "unified") { +    my $recurse; +    $recurse = sub { +        my $indent = shift; +        foreach (@_) { +            if (ref $_ eq "ARRAY") { +                print OUT " "x$indent, "[\n"; +                foreach (@$_) { +                    $recurse->($indent + 4, $_); +                } +                print OUT " "x$indent, "],\n"; +            } elsif (ref $_ eq "HASH") { +                my %h = %$_; +                print OUT " "x$indent, "{\n"; +                foreach (sort keys %h) { +                    if (ref $h{$_} eq "") { +                        print OUT " "x($indent + 4), quotify("perl", $_), " => ", quotify("perl", $h{$_}), ",\n"; +                    } else { +                        print OUT " "x($indent + 4), quotify("perl", $_), " =>\n"; +                        $recurse->($indent + 8, $h{$_}); +                    } +                } +                print OUT " "x$indent, "},\n"; +            } else { +                print OUT " "x$indent, quotify("perl", $_), ",\n"; +            } +        } +    }; +    print OUT "our %unified_info = (\n"; +    foreach (sort keys %unified_info) { +        if (ref $unified_info{$_} eq "") { +            print OUT " "x4, quotify("perl", $_), " => ", quotify("perl", $unified_info{$_}), ",\n"; +        } else { +            print OUT " "x4, quotify("perl", $_), " =>\n"; +            $recurse->(8, $unified_info{$_}); +        } +    } +    print OUT <<"EOF"; +); + +EOF +} +print OUT "1;\n"; +close(OUT); + + +print "CC            =$config{cross_compile_prefix}$target{cc}\n"; +print "CFLAG         =$target{cflags} $config{cflags}\n"; +print "SHARED_CFLAG  =$target{shared_cflag}\n"; +print "DEFINES       =",join(" ", @{$target{defines}}, @{$config{defines}}),"\n"; +print "LFLAG         =$target{lflags}\n"; +print "PLIB_LFLAG    =$target{plib_lflags}\n"; +print "EX_LIBS       =$target{ex_libs} $config{ex_libs}\n"; +print "APPS_OBJ      =$target{apps_obj}\n"; +print "CPUID_OBJ     =$target{cpuid_obj}\n"; +print "UPLINK_OBJ    =$target{uplink_obj}\n"; +print "BN_ASM        =$target{bn_obj}\n"; +print "EC_ASM        =$target{ec_obj}\n"; +print "DES_ENC       =$target{des_obj}\n"; +print "AES_ENC       =$target{aes_obj}\n"; +print "BF_ENC        =$target{bf_obj}\n"; +print "CAST_ENC      =$target{cast_obj}\n"; +print "RC4_ENC       =$target{rc4_obj}\n"; +print "RC5_ENC       =$target{rc5_obj}\n"; +print "MD5_OBJ_ASM   =$target{md5_obj}\n"; +print "SHA1_OBJ_ASM  =$target{sha1_obj}\n"; +print "RMD160_OBJ_ASM=$target{rmd160_obj}\n"; +print "CMLL_ENC      =$target{cmll_obj}\n"; +print "MODES_OBJ     =$target{modes_obj}\n"; +print "PADLOCK_OBJ   =$target{padlock_obj}\n"; +print "CHACHA_ENC    =$target{chacha_obj}\n"; +print "POLY1305_OBJ  =$target{poly1305_obj}\n"; +print "BLAKE2_OBJ    =$target{blake2_obj}\n"; +print "PROCESSOR     =$config{processor}\n"; +print "RANLIB        =", $target{ranlib} eq '$(CROSS_COMPILE)ranlib' ? +                             "$config{cross_compile_prefix}ranlib" : +                             "$target{ranlib}", "\n"; +print "ARFLAGS       =$target{arflags}\n"; +print "PERL          =$config{perl}\n"; +print "\n"; +print "SIXTY_FOUR_BIT_LONG mode\n" if $config{b64l}; +print "SIXTY_FOUR_BIT mode\n" if $config{b64}; +print "THIRTY_TWO_BIT mode\n" if $config{b32}; +print "BN_LLONG mode\n" if $config{bn_ll}; +print "RC4 uses $config{rc4_int}\n" if $config{rc4_int} ne $def_int; + +my %builders = ( +    unified => sub { +        run_dofile(catfile($blddir, $target{build_file}), +                   @{$config{build_file_templates}}); +    }, +    ); + +$builders{$builder}->($builder_platform, @builder_opts); + +print <<"EOF"; + +Configured for $target. +EOF + +print <<"EOF" if ($disabled{threads} eq "unavailable"); + +The library could not be configured for supporting multi-threaded +applications as the compiler options required on this system are not known. +See file INSTALL for details if you need multi-threading. +EOF + +print <<"EOF" if ($no_shared_warn); + +The options 'shared', 'pic' and 'dynamic-engine' aren't supported on this +platform, so we will pretend you gave the option 'no-pic', which also disables +'shared' and 'dynamic-engine'.  If you know how to implement shared libraries +or position independent code, please let us know (but please first make sure +you have tried with a current version of OpenSSL). +EOF + +exit(0); + +###################################################################### +# +# Helpers and utility functions +# + +# Configuration file reading ######################################### + +# Note: All of the helper functions are for lazy evaluation.  They all +# return a CODE ref, which will return the intended value when evaluated. +# Thus, whenever there's mention of a returned value, it's about that +# intended value. + +# Helper function to implement conditional inheritance depending on the +# value of $disabled{asm}.  Used in inherit_from values as follows: +# +#      inherit_from => [ "template", asm("asm_tmpl") ] +# +sub asm { +    my @x = @_; +    sub { +	$disabled{asm} ? () : @x; +    } +} + +# Helper function to implement conditional value variants, with a default +# plus additional values based on the value of $config{build_type}. +# Arguments are given in hash table form: +# +#       picker(default => "Basic string: ", +#              debug   => "debug", +#              release => "release") +# +# When configuring with --debug, the resulting string will be +# "Basic string: debug", and when not, it will be "Basic string: release" +# +# This can be used to create variants of sets of flags according to the +# build type: +# +#       cflags => picker(default => "-Wall", +#                        debug   => "-g -O0", +#                        release => "-O3") +# +sub picker { +    my %opts = @_; +    return sub { add($opts{default} || (), +                     $opts{$config{build_type}} || ())->(); } +} + +# Helper function to combine several values of different types into one. +# This is useful if you want to combine a string with the result of a +# lazy function, such as: +# +#       cflags => combine("-Wall", sub { $disabled{zlib} ? () : "-DZLIB" }) +# +sub combine { +    my @stuff = @_; +    return sub { add(@stuff)->(); } +} + +# Helper function to implement conditional values depending on the value +# of $disabled{threads}.  Can be used as follows: +# +#       cflags => combine("-Wall", threads("-pthread")) +# +sub threads { +    my @flags = @_; +    return sub { add($disabled{threads} ? () : @flags)->(); } +} + + + +our $add_called = 0; +# Helper function to implement adding values to already existing configuration +# values.  It handles elements that are ARRAYs, CODEs and scalars +sub _add { +    my $separator = shift; + +    # If there's any ARRAY in the collection of values OR the separator +    # is undef, we will return an ARRAY of combined values, otherwise a +    # string of joined values with $separator as the separator. +    my $found_array = !defined($separator); + +    my @values = +	map { +	    my $res = $_; +	    while (ref($res) eq "CODE") { +		$res = $res->(); +	    } +	    if (defined($res)) { +		if (ref($res) eq "ARRAY") { +		    $found_array = 1; +		    @$res; +		} else { +		    $res; +		} +	    } else { +		(); +	    } +    } (@_); + +    $add_called = 1; + +    if ($found_array) { +	[ @values ]; +    } else { +	join($separator, grep { defined($_) && $_ ne "" } @values); +    } +} +sub add_before { +    my $separator = " "; +    if (ref($_[$#_]) eq "HASH") { +        my $opts = pop; +        $separator = $opts->{separator}; +    } +    my @x = @_; +    sub { _add($separator, @x, @_) }; +} +sub add { +    my $separator = " "; +    if (ref($_[$#_]) eq "HASH") { +        my $opts = pop; +        $separator = $opts->{separator}; +    } +    my @x = @_; +    sub { _add($separator, @_, @x) }; +} + +# configuration reader, evaluates the input file as a perl script and expects +# it to fill %targets with target configurations.  Those are then added to +# %table. +sub read_config { +    my $fname = shift; +    open(CONFFILE, "< $fname") +	or die "Can't open configuration file '$fname'!\n"; +    my $x = $/; +    undef $/; +    my $content = <CONFFILE>; +    $/ = $x; +    close(CONFFILE); +    my %targets = (); +    { +	# Protect certain tables from tampering +	local %table = %::table; + +	eval $content; +	warn $@ if $@; +    } +    my %preexisting = (); +    foreach (sort keys %targets) { +        $preexisting{$_} = 1 if $table{$_}; +    } +    die <<"EOF", +The following config targets from $fname +shadow pre-existing config targets with the same name: +EOF +        map { "  $_\n" } sort keys %preexisting +        if %preexisting; + + +    # For each target, check that it's configured with a hash table. +    foreach (keys %targets) { +	if (ref($targets{$_}) ne "HASH") { +	    if (ref($targets{$_}) eq "") { +		warn "Deprecated target configuration for $_, ignoring...\n"; +	    } else { +		warn "Misconfigured target configuration for $_ (should be a hash table), ignoring...\n"; +	    } +	    delete $targets{$_}; +	} else { +            $targets{$_}->{_conf_fname_int} = add([ $fname ]); +        } +    } + +    %table = (%table, %targets); + +} + +# configuration resolver.  Will only resolve all the lazy evaluation +# codeblocks for the chosen target and all those it inherits from, +# recursively +sub resolve_config { +    my $target = shift; +    my @breadcrumbs = @_; + +#    my $extra_checks = defined($ENV{CONFIGURE_EXTRA_CHECKS}); + +    if (grep { $_ eq $target } @breadcrumbs) { +	die "inherit_from loop!  target backtrace:\n  " +	    ,$target,"\n  ",join("\n  ", @breadcrumbs),"\n"; +    } + +    if (!defined($table{$target})) { +	warn "Warning! target $target doesn't exist!\n"; +	return (); +    } +    # Recurse through all inheritances.  They will be resolved on the +    # fly, so when this operation is done, they will all just be a +    # bunch of attributes with string values. +    # What we get here, though, are keys with references to lists of +    # the combined values of them all.  We will deal with lists after +    # this stage is done. +    my %combined_inheritance = (); +    if ($table{$target}->{inherit_from}) { +	my @inherit_from = +	    map { ref($_) eq "CODE" ? $_->() : $_ } @{$table{$target}->{inherit_from}}; +	foreach (@inherit_from) { +	    my %inherited_config = resolve_config($_, $target, @breadcrumbs); + +	    # 'template' is a marker that's considered private to +	    # the config that had it. +	    delete $inherited_config{template}; + +	    foreach (keys %inherited_config) { +		if (!$combined_inheritance{$_}) { +		    $combined_inheritance{$_} = []; +		} +		push @{$combined_inheritance{$_}}, $inherited_config{$_}; +	    } +	} +    } + +    # We won't need inherit_from in this target any more, since we've +    # resolved all the inheritances that lead to this +    delete $table{$target}->{inherit_from}; + +    # Now is the time to deal with those lists.  Here's the place to +    # decide what shall be done with those lists, all based on the +    # values of the target we're currently dealing with. +    # - If a value is a coderef, it will be executed with the list of +    #   inherited values as arguments. +    # - If the corresponding key doesn't have a value at all or is the +    #   empty string, the inherited value list will be run through the +    #   default combiner (below), and the result becomes this target's +    #   value. +    # - Otherwise, this target's value is assumed to be a string that +    #   will simply override the inherited list of values. +    my $default_combiner = add(); + +    my %all_keys = +	map { $_ => 1 } (keys %combined_inheritance, +			 keys %{$table{$target}}); + +    sub process_values { +	my $object    = shift; +	my $inherited = shift;  # Always a [ list ] +	my $target    = shift; +	my $entry     = shift; + +        $add_called = 0; + +        while(ref($object) eq "CODE") { +            $object = $object->(@$inherited); +        } +        if (!defined($object)) { +            return (); +        } +        elsif (ref($object) eq "ARRAY") { +            local $add_called;  # To make sure recursive calls don't affect it +            return [ map { process_values($_, $inherited, $target, $entry) } +                     @$object ]; +        } elsif (ref($object) eq "") { +            return $object; +        } else { +            die "cannot handle reference type ",ref($object) +                ," found in target ",$target," -> ",$entry,"\n"; +        } +    } + +    foreach (sort keys %all_keys) { +        my $previous = $combined_inheritance{$_}; + +	# Current target doesn't have a value for the current key? +	# Assign it the default combiner, the rest of this loop body +	# will handle it just like any other coderef. +	if (!exists $table{$target}->{$_}) { +	    $table{$target}->{$_} = $default_combiner; +	} + +	$table{$target}->{$_} = process_values($table{$target}->{$_}, +					       $combined_inheritance{$_}, +					       $target, $_); +        unless(defined($table{$target}->{$_})) { +            delete $table{$target}->{$_}; +        } +#        if ($extra_checks && +#            $previous && !($add_called ||  $previous ~~ $table{$target}->{$_})) { +#            warn "$_ got replaced in $target\n"; +#        } +    } + +    # Finally done, return the result. +    return %{$table{$target}}; +} + +sub usage +	{ +	print STDERR $usage; +	print STDERR "\npick os/compiler from:\n"; +	my $j=0; +	my $i; +        my $k=0; +	foreach $i (sort keys %table) +		{ +		next if $table{$i}->{template}; +		next if $i =~ /^debug/; +		$k += length($i) + 1; +		if ($k > 78) +			{ +			print STDERR "\n"; +			$k=length($i); +			} +		print STDERR $i . " "; +		} +	foreach $i (sort keys %table) +		{ +		next if $table{$i}->{template}; +		next if $i !~ /^debug/; +		$k += length($i) + 1; +		if ($k > 78) +			{ +			print STDERR "\n"; +			$k=length($i); +			} +		print STDERR $i . " "; +		} +	print STDERR "\n\nNOTE: If in doubt, on Unix-ish systems use './config'.\n"; +	exit(1); +	} + +sub run_dofile +{ +    my $out = shift; +    my @templates = @_; + +    unlink $out || warn "Can't remove $out, $!" +        if -f $out; +    foreach (@templates) { +        die "Can't open $_, $!" unless -f $_; +    } +    my $perlcmd = (quotify("maybeshell", $config{perl}))[0]; +    my $cmd = "$perlcmd \"-I.\" \"-Mconfigdata\" \"$dofile\" -o\"Configure\" \"".join("\" \"",@templates)."\" > \"$out.new\""; +    #print STDERR "DEBUG[run_dofile]: \$cmd = $cmd\n"; +    system($cmd); +    exit 1 if $? != 0; +    rename("$out.new", $out) || die "Can't rename $out.new, $!"; +} + +sub which +{ +    my ($name)=@_; + +    if (eval { require IPC::Cmd; 1; }) { +        IPC::Cmd->import(); +        return scalar IPC::Cmd::can_run($name); +    } else { +        # if there is $directories component in splitpath, +        # then it's not something to test with $PATH... +        return $name if (File::Spec->splitpath($name))[1]; + +        foreach (File::Spec->path()) { +            my $fullpath = catfile($_, "$name$target{exe_extension}"); +            if (-f $fullpath and -x $fullpath) { +                return $fullpath; +            } +        } +    } +} + +# Configuration printer ############################################## + +sub print_table_entry +{ +    my $target = shift; +    my %target = resolve_config($target); +    my $type = shift; + +    # Don't print the templates +    return if $target{template}; + +    my @sequence = ( +	"sys_id", +	"cc", +	"cflags", +	"defines", +	"unistd", +	"ld", +	"lflags", +	"loutflag", +	"plib_lflags", +	"ex_libs", +	"bn_ops", +	"apps_aux_src", +	"cpuid_asm_src", +	"uplink_aux_src", +	"bn_asm_src", +	"ec_asm_src", +	"des_asm_src", +	"aes_asm_src", +	"bf_asm_src", +	"md5_asm_src", +	"cast_asm_src", +	"sha1_asm_src", +	"rc4_asm_src", +	"rmd160_asm_src", +	"rc5_asm_src", +	"wp_asm_src", +	"cmll_asm_src", +	"modes_asm_src", +	"padlock_asm_src", +	"chacha_asm_src", +	"poly1035_asm_src", +	"thread_scheme", +	"perlasm_scheme", +	"dso_scheme", +	"shared_target", +	"shared_cflag", +	"shared_defines", +	"shared_ldflag", +	"shared_rcflag", +	"shared_extension", +	"dso_extension", +	"obj_extension", +	"exe_extension", +	"ranlib", +	"ar", +	"arflags", +	"aroutflag", +	"rc", +	"rcflags", +	"rcoutflag", +	"mt", +	"mtflags", +	"mtinflag", +	"mtoutflag", +	"multilib", +	"build_scheme", +	); + +    if ($type eq "TABLE") { +	print "\n"; +	print "*** $target\n"; +        foreach (@sequence) { +            if (ref($target{$_}) eq "ARRAY") { +                printf "\$%-12s = %s\n", $_, join(" ", @{$target{$_}}); +            } else { +                printf "\$%-12s = %s\n", $_, $target{$_}; +            } +        } +    } elsif ($type eq "HASH") { +	my $largest = +	    length((sort { length($a) <=> length($b) } @sequence)[-1]); +	print "    '$target' => {\n"; +	foreach (@sequence) { +	    if ($target{$_}) { +                if (ref($target{$_}) eq "ARRAY") { +                    print "      '",$_,"'"," " x ($largest - length($_))," => [ ",join(", ", map { "'$_'" } @{$target{$_}})," ],\n"; +                } else { +                    print "      '",$_,"'"," " x ($largest - length($_))," => '",$target{$_},"',\n"; +                } +	    } +	} +	print "    },\n"; +    } +} + +# Utility routines ################################################### + +# On VMS, if the given file is a logical name, File::Spec::Functions +# will consider it an absolute path.  There are cases when we want a +# purely syntactic check without checking the environment. +sub isabsolute { +    my $file = shift; + +    # On non-platforms, we just use file_name_is_absolute(). +    return file_name_is_absolute($file) unless $^O eq "VMS"; + +    # If the file spec includes a device or a directory spec, +    # file_name_is_absolute() is perfectly safe. +    return file_name_is_absolute($file) if $file =~ m|[:\[]|; + +    # Here, we know the given file spec isn't absolute +    return 0; +} + +# Makes a directory absolute and cleans out /../ in paths like foo/../bar +# On some platforms, this uses rel2abs(), while on others, realpath() is used. +# realpath() requires that at least all path components except the last is an +# existing directory.  On VMS, the last component of the directory spec must +# exist. +sub absolutedir { +    my $dir = shift; + +    # realpath() is quite buggy on VMS.  It uses LIB$FID_TO_NAME, which +    # will return the volume name for the device, no matter what.  Also, +    # it will return an incorrect directory spec if the argument is a +    # directory that doesn't exist. +    if ($^O eq "VMS") { +        return rel2abs($dir); +    } + +    # We use realpath() on Unix, since no other will properly clean out +    # a directory spec. +    use Cwd qw/realpath/; + +    return realpath($dir); +} + +sub quotify { +    my %processors = ( +	perl    => sub { my $x = shift; +			 $x =~ s/([\\\$\@"])/\\$1/g; +			 return '"'.$x.'"'; }, +	maybeshell => sub { my $x = shift; +			    (my $y = $x) =~ s/([\\\"])/\\$1/g; +			    if ($x ne $y || $x =~ m|\s|) { +				return '"'.$y.'"'; +			    } else { +				return $x; +			    } +			}, +	); +    my $for = shift; +    my $processor = +	defined($processors{$for}) ? $processors{$for} : sub { shift; }; + +    return map { $processor->($_); } @_; +} + +# collect_from_file($filename, $line_concat_cond_re, $line_concat) +# $filename is a file name to read from +# $line_concat_cond_re is a regexp detecting a line continuation ending +# $line_concat is a CODEref that takes care of concatenating two lines +sub collect_from_file { +    my $filename = shift; +    my $line_concat_cond_re = shift; +    my $line_concat = shift; + +    open my $fh, $filename || die "unable to read $filename: $!\n"; +    return sub { +        my $saved_line = ""; +        $_ = ""; +        while (<$fh>) { +            s|\R$||; +            if (defined $line_concat) { +                $_ = $line_concat->($saved_line, $_); +                $saved_line = ""; +            } +            if (defined $line_concat_cond_re && /$line_concat_cond_re/) { +                $saved_line = $_; +                next; +            } +            return $_; +        } +        die "$filename ending with continuation line\n" if $_; +        close $fh; +        return undef; +    } +} + +# collect_from_array($array, $line_concat_cond_re, $line_concat) +# $array is an ARRAYref of lines +# $line_concat_cond_re is a regexp detecting a line continuation ending +# $line_concat is a CODEref that takes care of concatenating two lines +sub collect_from_array { +    my $array = shift; +    my $line_concat_cond_re = shift; +    my $line_concat = shift; +    my @array = (@$array); + +    return sub { +        my $saved_line = ""; +        $_ = ""; +        while (defined($_ = shift @array)) { +            s|\R$||; +            if (defined $line_concat) { +                $_ = $line_concat->($saved_line, $_); +                $saved_line = ""; +            } +            if (defined $line_concat_cond_re && /$line_concat_cond_re/) { +                $saved_line = $_; +                next; +            } +            return $_; +        } +        die "input text ending with continuation line\n" if $_; +        return undef; +    } +} + +# collect_information($lineiterator, $line_continue, $regexp => $CODEref, ...) +# $lineiterator is a CODEref that delivers one line at a time. +# All following arguments are regex/CODEref pairs, where the regexp detects a +# line and the CODEref does something with the result of the regexp. +sub collect_information { +    my $lineiterator = shift; +    my %collectors = @_; + +    while(defined($_ = $lineiterator->())) { +        s|\R$||; +        my $found = 0; +        if ($collectors{"BEFORE"}) { +            $collectors{"BEFORE"}->($_); +        } +        foreach my $re (keys %collectors) { +            if ($re !~ /^OTHERWISE|BEFORE|AFTER$/ && /$re/) { +                $collectors{$re}->($lineiterator); +                $found = 1; +            }; +        } +        if ($collectors{"OTHERWISE"}) { +            $collectors{"OTHERWISE"}->($lineiterator, $_) +                unless $found || !defined $collectors{"OTHERWISE"}; +        } +        if ($collectors{"AFTER"}) { +            $collectors{"AFTER"}->($_); +        } +    } +} + +# tokenize($line) +# $line is a line of text to split up into tokens +# returns a list of tokens +# +# Tokens are divided by spaces.  If the tokens include spaces, they +# have to be quoted with single or double quotes.  Double quotes +# inside a double quoted token must be escaped.  Escaping is done +# with backslash. +# Basically, the same quoting rules apply for " and ' as in any +# Unix shell. +sub tokenize { +    my $line = my $debug_line = shift; +    my @result = (); + +    while ($line =~ s|^\s+||, $line ne "") { +        my $token = ""; +        while ($line ne "" && $line !~ m|^\s|) { +            if ($line =~ m/^"((?:[^"\\]+|\\.)*)"/) { +                $token .= $1; +                $line = $'; +            } elsif ($line =~ m/^'([^']*)'/) { +                $token .= $1; +                $line = $'; +            } elsif ($line =~ m/^(\S+)/) { +                $token .= $1; +                $line = $'; +            } +        } +        push @result, $token; +    } + +    if ($ENV{CONFIGURE_DEBUG_TOKENIZE}) { +	print STDERR "DEBUG[tokenize]: Parsed '$debug_line' into:\n"; +	print STDERR "DEBUG[tokenize]: ('", join("', '", @result), "')\n"; +    } +    return @result; +}  | 
