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Configure
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#! /usr/bin/env perl
# -*- mode: perl; -*-
# Copyright 2016 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
require 5.10.0;
use strict;
use File::Basename;
use File::Spec::Functions qw/:DEFAULT abs2rel rel2abs/;
use File::Path qw/mkpath/;
# 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
# 386 generate 80386 code
# enable-weak-ssl-ciphers
# Enable weak ciphers that are disabled by default. This currently
# only includes RC4 based ciphers.
# no-sse2 disables IA-32 SSE2 code, above option implies no-sse2
# no-<cipher> build without specified algorithm (rsa, idea, rc5, ...)
# -<xxx> +<xxx> compiler options are passed through
#
# 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 ASE_[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-specifc,
# 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"
. " -Wsign-compare"
. " -Wmissing-prototypes"
. " -Wshadow"
. " -Wformat"
. " -Wtype-limits"
. " -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"
. " -Wextra"
. " -Wno-unused-parameter"
. " -Wno-missing-field-initializers"
. " -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 compability 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 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 $config{version} (0x$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", "tools" ];
# 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",
"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",
"gost",
"heartbeats",
"hw(-.+)?",
"idea",
"makedepend",
"md2",
"md4",
"mdc2",
"multiblock",
"nextprotoneg",
"ocb",
"ocsp",
"pic",
"poly1305",
"posix-io",
"psk",
"rc2",
"rc4",
"rc5",
"rdrand",
"rfc3779",
"ripemd",
"rmd160",
"scrypt",
"sctp",
"seed",
"shared",
"sock",
"srp",
"srtp",
"sse2",
"ssl",
"ssl-trace",
"static-engine",
"stdio",
"threads",
"tls",
"ts",
"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",
);
# All of the following is disabled by default (RC5 was enabled before 0.9.8):
our %disabled = ( # "what" => "comment"
"ec_nistp_64_gcc_128" => "default",
"egd" => "default",
"md2" => "default",
"rc5" => "default",
"sctp" => "default",
"ssl-trace" => "default",
"ssl3" => "default",
"ssl3-method" => "default",
"unit-test" => "default",
"weak-ssl-ciphers" => "default",
"zlib" => "default",
"zlib-dynamic" => "default",
"crypto-mdebug" => "default",
"heartbeats" => "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 ],
# SSL 3.0, (D)TLS 1.0 and TLS 1.1 require MD5 and SHA
"md5" => [ "ssl", "tls1", "tls1_1", "dtls1" ],
"sha" => [ "ssl", "tls1", "tls1_1", "dtls1" ],
# Additionally, SSL 3.0 requires either RSA or DSA+DH
sub { $disabled{rsa}
&& ($disabled{dsa} || $disabled{dh}); }
=> [ "ssl" ],
# (D)TLS 1.0 and TLS 1.1 also require either RSA or DSA+DH
# or ECDSA + ECDH. (D)TLS 1.2 has this requirement as well.
# (XXX: We don't support PSK-only builds).
sub { $disabled{rsa}
&& ($disabled{dsa} || $disabled{dh})
&& ($disabled{ecdsa} || $disabled{ecdh}); }
=> [ "tls1", "tls1_1", "tls1_2",
"dtls1", "dtls1_2" ],
"tls" => [ @tls ],
# SRP and HEARTBEATS require TLSEXT
"tlsext" => [ "srp", "heartbeats" ],
"crypto-mdebug" => [ "crypto-mdebug-backtrace" ],
# Without DSO, we can't load dynamic engines, so don't build them dynamic
"dso" => [ "dynamic-engine" ],
# Without position independent code, there can be no shared libraries or DSOs
"pic" => [ "shared" ],
"shared" => [ "dynamic-engine" ],
"engine" => [ "afalgeng" ],
# no-autoalginit is only useful when building non-shared
"autoalginit" => [ "shared", "apps" ],
"stdio" => [ "apps" ],
"apps" => [ "tests" ],
"comp" => [ "zlib" ],
sub { !$disabled{"unit-test"} } => [ "heartbeats" ],
);
# 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".
my @generated_headers = (
"include/openssl/opensslconf.h",
"crypto/include/internal/bn_conf.h",
"crypto/include/internal/dso_conf.h"
);
my @generated_by_make_headers = (
"crypto/buildinf.h"
);
my $no_sse2=0;
&usage if ($#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}="";
$config{build_type} = "release";
my @argvcopy=@ARGV;
if (grep /^reconf(igure)?$/, @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{CROSS_COMPILE} = $configdata::config{cc}
if defined($configdata::config{cc});
print "Reconfiguring with: ", join(" ",@argvcopy), "\n";
print " CROSS_COMPILE = ",$ENV{CROSS_COMPILE},"\n"
if $ENV{CROSS_COMPILE};
print " CC = ",$ENV{CC},"\n" if $ENV{CC};
} elsif (open IN, "<Makefile") {
#
# THIS SECTION IS TEMPORARY, it helps transitioning from Makefile
# centered information gathering the reading configdata.pm
#
while (<IN>) {
s|\R$||;
if (/^CONFIGURE_ARGS=\s*(.*)\s*/) {
# Older form, we split the string and hope for the best
@argvcopy = split /\s+/, $_;
die "Incorrect data to reconfigure, please do a normal configuration\n"
if (grep(/^reconf/,@argvcopy));
} elsif (/^CROSS_COMPILE=\s*(.*)/) {
$ENV{CROSS_COMPILE}=$1;
} elsif (/^CC=\s*(?:\$\(CROSS_COMPILE\))?(.*?)$/) {
$ENV{CC}=$1;
}
}
#
# END OF TEMPORARY SECTION
#
} else {
die "Insufficient data to reconfigure, please do a normal configuration\n";
}
}
$config{perlargv} = [ @argvcopy ];
my %unsupported_options = ();
my %deprecated_options = ();
foreach (@argvcopy)
{
# VMS is a case insensitive environment, and depending on settings
# out of our control, we may receive options uppercased. Let's
# downcase at least the part before any equal sign.
if ($^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 (grep { $word =~ /^${_}$/ } @deprecated_disablables)
{
$deprecated_options{$_} = 1;
next;
}
elsif (!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";
}
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}=$1;
}
elsif (/^--with-fipslibdir=(.*)$/)
{
$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 (/^-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: $config{api}\n",
}
if (keys %deprecated_options)
{
warn "***** Deprecated options: ",
join(", ", keys %deprecated_options), "\n";
}
if (keys %unsupported_options)
{
die "***** Unsupported options: ",
join(", ", keys %unsupported_options), "\n";
}
}
if ($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);
}
if ($target eq "TABLE") {
foreach (sort keys %table) {
print_table_entry($_, "TABLE");
}
exit 0;
}
if ($target eq "LIST") {
foreach (sort keys %table) {
print $_,"\n" unless $table{$_}->{template};
}
exit 0;
}
if ($target eq "HASH") {
print "%table = (\n";
foreach (sort keys %table) {
print_table_entry($_, "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$/)
{ }
elsif (/^sse2$/)
{ $no_sse2 = 1; }
elsif (/^engine$/)
{
@{$config{dirs}} = grep !/^engines$/, @{$config{dirs}};
@{$config{sdirs}} = grep !/^engine$/, @{$config{sdirs}};
push @{$config{openssl_other_defines}}, "OPENSSL_NO_ENGINE";
}
else
{
my ($ALGO, $algo);
($ALGO = $algo = $_) =~ tr/[\-a-z]/[_A-Z]/;
if (/^asm$/ || /^err$/ || /^hw$/ || /^hw-/ || /^async$/
|| /^autoalginit/ || /^autoerrinit/)
{
push @{$config{openssl_other_defines}}, "OPENSSL_NO_$ALGO";
print " OPENSSL_NO_$ALGO";
if (/^err$/) { push @user_defines, "OPENSSL_NO_ERR"; }
}
else
{
($ALGO,$algo) = ("RMD160","rmd160") if ($algo eq "ripemd");
push @{$config{openssl_algorithm_defines}}, "OPENSSL_NO_$ALGO";
print " OPENSSL_NO_$ALGO";
# fix-up crypto/directory name(s)
$algo="whrlpool" if $algo eq "whirlpool";
$algo="ripemd" if $algo eq "rmd160";
@{$config{sdirs}} = grep { $_ ne $algo} @{$config{sdirs}};
print " (skip dir)";
}
}
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 || $target{template});
%target = ( %{$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
$config{perl} = $ENV{'PERL'} || ($^O ne "VMS" ? $^X : "perl");
$target{cc} = $ENV{'CC'} || $target{cc} || "cc";
$target{ranlib} = $ENV{'RANLIB'} || $target{ranlib} || which("ranlib") || "true";
$target{ar} = $ENV{'AR'} || $target{ar} || "ar";
$target{nm} = $ENV{'NM'} || $target{nm} || "nm";
# 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}};
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";
}
}
}
}