Configure 75.9 KB
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#! /usr/bin/env perl
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# -*- mode: perl; -*-
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##
##  Configure -- OpenSSL source tree configuration script
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##  If editing this file, run this command before committing
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##	make -f Makefile.in TABLE
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##
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require 5.000;
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use strict;
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use File::Basename;
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use File::Spec::Functions qw/:DEFAULT abs2rel rel2abs/;
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use File::Path qw/mkpath/;
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# see INSTALL for instructions.
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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";
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# Options:
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#
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# --config      add the given configuration file, which will be read after
#               any "Configurations*" files that are found in the same
#               directory as this script.
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# --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)
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#
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# --cross-compile-prefix Add specified prefix to binutils components.
#
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# --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.
#
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# 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.
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# [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)
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# [no-]shared	[don't] try to create shared libraries when supported.
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# [no-]pic      [don't] try to build position independent code when supported.
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#               If disabled, it also disables shared and dynamic-engine.
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# no-asm        do not use assembler
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# no-dso        do not compile in any native shared-library methods. This
#               will ensure that all methods just return NULL.
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# no-egd        do not compile support for the entropy-gathering daemon APIs
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# [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.
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# sctp          include SCTP support
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# 386           generate 80386 code
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# enable-weak-ssl-ciphers
#               Enable weak ciphers that are disabled by default. This currently
#               only includes RC4 based ciphers.
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# no-sse2	disables IA-32 SSE2 code, above option implies no-sse2
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# no-<cipher>   build without specified algorithm (rsa, idea, rc5, ...)
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# -<xxx> +<xxx> compiler options are passed through
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#
# 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.
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# 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
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# Following are set automatically by this script
#
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# MD5_ASM	use some extra md5 assember,
# SHA1_ASM	use some extra sha1 assember, must define L_ENDIAN for x86
# RMD160_ASM	use some extra ripemd160 assember,
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# 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
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# Minimum warning options... any contributions to OpenSSL should at least get
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# past these.
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my $gcc_devteam_warn = "-DPEDANTIC -DREF_DEBUG -DDEBUG_UNUSED -DBIO_DEBUG"
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        . " -pedantic"
        . " -Wall"
        . " -Wno-long-long"
        . " -Wsign-compare"
        . " -Wmissing-prototypes"
        . " -Wshadow"
        . " -Wformat"
        . " -Wtype-limits"
        . " -Werror"
        ;
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# 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
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# following warnings can also be enabled:
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#       -Wswitch-enum
#       -Wcast-align
#       -Wunreachable-code
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#       -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
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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"
        ;
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# This adds backtrace information to the memory leak info.  Is only used
# when crypto-mdebug-backtrace is enabled.
my $memleak_devteam_backtrace = "-rdynamic";
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my $strict_warnings = 0;

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# As for $BSDthreads. Idea is to maintain "collective" set of flags,
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# which would cover all BSD flavors. -pthread applies to them all,
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# 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?
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our $BSDthreads="-pthread -D_THREAD_SAFE -D_REENTRANT";
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#
# 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",
};

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our %table = ();
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our %config = ();
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our %withargs = ();
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# Forward declarations ###############################################
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# read_config(filename)
#
# Reads a configuration file and populates %table with the contents
# (which the configuration file places in %targets).
sub read_config;
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# resolve_config(target)
#
# Resolves all the late evalutations, inheritances and so on for the
# chosen target and any target it inherits from.
sub resolve_config;
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# Information collection #############################################

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# Unified build supports separate build dir
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my $srcdir = catdir(absolutedir(dirname($0))); # catdir ensures local syntax
my $blddir = catdir(absolutedir("."));         # catdir ensures local syntax
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my $dofile = abs2rel(catfile($srcdir, "util/dofile.pl"));

$config{sourcedir} = abs2rel($srcdir);
$config{builddir} = abs2rel($blddir);

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# Collect version numbers
$config{version} = "unknown";
$config{version_num} = "unknown";
$config{shlib_version_number} = "unknown";
$config{shlib_version_history} = "unknown";

collect_information(
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    collect_from_file(catfile($srcdir,'include/openssl/opensslv.h')),
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    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

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my $pattern = catfile(dirname($0), "Configurations", "*.conf");
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foreach (sort glob($pattern) ) {
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    &read_config($_);
}
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print "Configuring OpenSSL version $config{version} (0x$config{version_num})\n";

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$config{perl};
$config{prefix}="";
$config{openssldir}="";
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$config{processor}="";
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$config{libdir}="";
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$config{cross_compile_prefix}="";
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$config{fipslibdir}="/usr/local/ssl/fips-2.0/lib/";
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my $nofipscanistercheck=0;
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$config{baseaddr}="0xFB00000";
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my $auto_threads=1;    # enable threads automatically? true by default
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my $default_ranlib;
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$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",
    "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",
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    "cms", "ts", "srp", "cmac", "ct", "async", "kdf"
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    ];
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# Known TLS and DTLS protocols
my @tls = qw(ssl3 tls1 tls1_1 tls1_2);
my @dtls = qw(dtls1 dtls1_2);

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# Explicitelly 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 = (
    "aes",
    "asm",
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    "async",
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    "autoalginit",
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    "autoerrinit",
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    "bf",
    "camellia",
    "capieng",
    "cast",
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    "chacha",
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    "cmac",
    "cms",
    "comp",
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    "crypto-mdebug",
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    "crypto-mdebug-backtrace",
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    "ct",
    "deprecated",
    "des",
    "dgram",
    "dh",
    "dsa",
    "dso",
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    "dtls",
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    "dynamic-engine",
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    "ec",
    "ec2m",
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    "ecdh",
    "ecdsa",
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    "ec_nistp_64_gcc_128",
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    "egd",
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    "engine",
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    "err",
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    "filenames",
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    "heartbeats",
    "hmac",
    "hw(-.+)?",
    "idea",
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    "locking",
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    "md2",
    "md4",
    "md5",
    "mdc2",
    "md[-_]ghost94",
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    "multiblock",
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    "nextprotoneg",
    "ocb",
    "ocsp",
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    "pic",
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    "poly1305",
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    "posix-io",
    "psk",
    "rc2",
    "rc4",
    "rc5",
    "rdrand",
    "rfc3779",
    "rijndael",			# Old AES name
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    "ripemd",
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    "rmd160",
    "rsa",
    "scrypt",
    "sct",
    "sctp",
    "seed",
    "sha",
    "shared",
    "sock",
    "srp",
    "srtp",
    "sse2",
    "ssl",
    "ssl-trace",
    "static-engine",
    "stdio",
    "threads",
    "tls",
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    "ts",
    "ui",
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    "unit-test",
    "whirlpool",
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    "weak-ssl-ciphers",
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    "zlib",
    "zlib-dynamic",
    );
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foreach my $proto ((@tls, @dtls))
	{
	push(@disablables, $proto);
	push(@disablables, "$proto-method");
	}
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my @deprecated_disablables = (
    "ssl2",
    );

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# All of the following is disabled by default (RC5 was enabled before 0.9.8):

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our %disabled = ( # "what"         => "comment"
		  "ec_nistp_64_gcc_128" => "default",
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		  "egd"                 => "default",
		  "md2"                 => "default",
		  "rc5"                 => "default",
		  "sctp"                => "default",
		  "shared"              => "default",
		  "ssl-trace"           => "default",
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		  "ssl3"                => "default",
		  "ssl3-method"         => "default",
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		  "static-engine"       => "default",
		  "unit-test"           => "default",
		  "weak-ssl-ciphers"    => "default",
		  "zlib"                => "default",
		  "zlib-dynamic"        => "default",
		  "crypto-mdebug"       => "default",
		  "heartbeats"          => "default",
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		);
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# Note: => pair form used for aesthetics, not to truly make a hash table
my @disable_cascades = (
    # "what"		=> [ "cascade", ... ]
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    sub { $config{processor} eq "386" }
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			=> [ "sse2" ],
    "ssl"		=> [ "ssl3" ],
    "ssl3-method"	=> [ "ssl3" ],
    "zlib"		=> [ "zlib-dynamic" ],
    "rijndael"		=> [ "aes" ],
    "des"		=> [ "mdc2" ],
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    "ec"		=> [ "ecdsa", "ecdh" ],
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    "dgram"		=> [ "dtls" ],
    "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" ],
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    "crypto-mdebug"     => [ "crypto-mdebug-backtrace" ],
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    # Without DSO, we can't load dynamic engines, so don't build them dynamic
    "dso"               => [ "dynamic-engine" ],
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    # Without position independent code, there can be no shared libraries or DSOs
    "pic"               => [ "shared", "dynamic-engine" ],
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    );

# 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;
}

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# Explicit "no-..." options will be collected in %disabled along with the defaults.
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# To remove something from %disabled, use "enable-foo".
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# For symmetry, "disable-foo" is a synonym for "no-foo".

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my @generated_headers = (
    "include/openssl/opensslconf.h",
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    "crypto/include/internal/bn_conf.h",
    "crypto/include/internal/dso_conf.h"
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    );

my @generated_by_make_headers = (
    "crypto/buildinf.h"
    );

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my $no_sse2=0;
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&usage if ($#ARGV < 0);
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my $user_cflags="";
my @user_defines=();
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$config{openssl_api_defines}=[];
$config{openssl_algorithm_defines}=[];
$config{openssl_thread_defines}=[];
$config{openssl_sys_defines}=[];
$config{openssl_other_defines}=[];
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my $libs="";
my $target="";
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$config{options}="";
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$config{build_type} = "release";
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my @argvcopy=@ARGV;

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if (grep /^reconf(igure)?$/, @argvcopy) {
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    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 $return;
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	}
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	@argvcopy = defined($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});

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	print "Reconfiguring with: ", join(" ",@argvcopy), "\n";
	print "    CROSS_COMPILE = ",$ENV{CROSS_COMPILE},"\n"
	    if $ENV{CROSS_COMPILE};
	print "    CC = ",$ENV{CC},"\n" if $ENV{CC};
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    } elsif (open IN, "<Makefile") {
        #
        # THIS SECTION IS TEMPORARY, it helps transitioning from Makefile
        # centered information gathering the reading configdata.pm
        #
        while (<IN>) {
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            s|\R$||;
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            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
        #
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    } else {
	die "Insufficient data to reconfigure, please do a normal configuration\n";
    }
}

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$config{perlargv} = [ @argvcopy ];
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my %unsupported_options = ();
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my %deprecated_options = ();
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foreach (@argvcopy)
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	{
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	# VMS is a case insensitive environment, and depending on settings
	# out of our control, we may receive options uppercased.  Let's
	# downcase at least the part before any equal sign.
	if ($^O eq "VMS")
		{
		s/^([^=]*)/lc($1)/e;
		}
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	s /^-no-/no-/; # some people just can't read the instructions
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	# rewrite some options in "enable-..." form
	s /^-?-?shared$/enable-shared/;
	s /^sctp$/enable-sctp/;
	s /^threads$/enable-threads/;
	s /^zlib$/enable-zlib/;
	s /^zlib-dynamic$/enable-zlib-dynamic/;
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        if (/^(no|disable|enable)-(.+)$/)
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		{
		my $word = $2;
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		if (grep { $word =~ /^${_}$/ } @deprecated_disablables)
			{
			$deprecated_options{$_} = 1;
			next;
			}
		elsif (!grep { $word =~ /^${_}$/ } @disablables)
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			{
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			$unsupported_options{$_} = 1;
			next;
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			}
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		}
	if (/^no-(.+)$/ || /^disable-(.+)$/)
		{
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                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)";
                                }
                        }
                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)";
                                }
                        }
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                elsif ($1 eq "static-engine")
                        {
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                        delete $disabled{"dynamic-engine"};
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                        }
                elsif ($1 eq "dynamic-engine")
                        {
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                        $disabled{"dynamic-engine"} = "option";
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                        }
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                else
                        {
                        $disabled{$1} = "option";
                        }
580 581
		# No longer an automatic choice
		$auto_threads = 0 if ($1 eq "threads");
582
		}
583
	elsif (/^enable-(.+)$/)
584
		{
585 586
                if ($1 eq "static-engine")
                        {
587
                        $disabled{"dynamic-engine"} = "option";
588 589 590
                        }
                elsif ($1 eq "dynamic-engine")
                        {
591
                        delete $disabled{"dynamic-engine"};
592
                        }
593 594 595 596
                elsif ($1 eq "zlib-dynamic")
                        {
                        delete $disabled{"zlib"};
                        }
597 598
		my $algo = $1;
		delete $disabled{$algo};
599

600 601
		# No longer an automatic choice
		$auto_threads = 0 if ($1 eq "threads");
602 603 604 605 606 607 608
		}
	elsif (/^--strict-warnings$/)
		{
		$strict_warnings = 1;
		}
	elsif (/^--debug$/)
		{
609
		$config{build_type} = "debug";
610 611 612
		}
	elsif (/^--release$/)
		{
613
		$config{build_type} = "release";
614 615
		}
	elsif (/^386$/)
616
		{ $config{processor}=386; }
617 618
	elsif (/^fips$/)
		{
619
		$config{fips}=1;
620 621 622 623 624 625 626 627 628
		}
	elsif (/^rsaref$/)
		{
		# No RSAref support any more since it's not needed.
		# The check for the option is there so scripts aren't
		# broken
		}
	elsif (/^nofipscanistercheck$/)
		{
629
		$config{fips} = 1;
630 631 632 633
		$nofipscanistercheck = 1;
		}
	elsif (/^[-+]/)
		{
634
		if (/^--prefix=(.*)$/)
635
			{
636
			$config{prefix}=$1;
637 638
			die "Directory given with --prefix MUST be absolute\n"
				unless file_name_is_absolute($config{prefix});
639
			}
640
		elsif (/^--api=(.*)$/)
641
			{
642
			$config{api}=$1;
643
			}
644
		elsif (/^--libdir=(.*)$/)
645
			{
646
			$config{libdir}=$1;
647
			}
648
		elsif (/^--openssldir=(.*)$/)
649
			{
650
			$config{openssldir}=$1;
651
			}
652
		elsif (/^--with-zlib-lib=(.*)$/)
653
			{
654
			$withargs{zlib_lib}=$1;
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Bodo Möller 已提交
655
			}
656
		elsif (/^--with-zlib-include=(.*)$/)
657
			{
658
			$withargs{zlib_include}="-I$1";
659
			}
660
		elsif (/^--with-fipslibdir=(.*)$/)
661
			{
662
			$config{fipslibdir}="$1/";
663
			}
664
		elsif (/^--with-baseaddr=(.*)$/)
665
			{
666
			$config{baseaddr}="$1";
667
			}
668
		elsif (/^--cross-compile-prefix=(.*)$/)
669
			{
670
			$config{cross_compile_prefix}=$1;
671
			}
672
		elsif (/^--config=(.*)$/)
673
			{
674
			read_config $1;
675
			}
676
		elsif (/^-[lL](.*)$/ or /^-Wl,/)
677
			{
678
			$libs.=$_." ";
679
			}
680 681 682 683
		elsif (/^-D(.*)$/)
			{
			push @user_defines, $1;
			}
684 685 686
		else	# common if (/^[-+]/), just pass down...
			{
			$_ =~ s/%([0-9a-f]{1,2})/chr(hex($1))/gei;
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Rich Salz 已提交
687
			$user_cflags.=" ".$_;
688 689 690 691 692 693 694 695 696 697 698 699 700 701
			}
		}
	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 seroiusly,
		# we really only write OPTIONS to the Makefile out of
		# nostalgia.)

702 703
		if ($config{options} eq "")
			{ $config{options} = $_; }
704
		else
705
			{ $config{options} .= " ".$_; }
706
		}
707

708 709
        if (defined($config{api}) && !exists $apitable->{$config{api}}) {
		die "***** Unsupported api compatibility level: $config{api}\n",
710 711
        }

712 713 714 715 716
	if (keys %deprecated_options)
		{
		warn "***** Deprecated options: ",
			join(", ", keys %deprecated_options), "\n";
		}
717 718 719 720 721
	if (keys %unsupported_options)
		{
		die "***** Unsupported options: ",
			join(", ", keys %unsupported_options), "\n";
		}
722
	}
723

724
if ($config{fips})
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Ben Laurie 已提交
725
	{
726
	delete $disabled{"shared"} if ($disabled{"shared"} =~ /^default/);
727
	}
728 729 730 731
else
	{
	@{$config{dirs}} = grep !/^fips$/, @{$config{dirs}};
	}
732

733 734 735 736 737 738 739 740 741 742
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})) {
	    map {
		$new_tocheckfor{$_} => 1; $disabled{$_} = "forced";
	    } grep { !defined($disabled{$_}) } @$descendents;
743
	}
744 745 746
    }
    @tocheckfor = (keys %new_tocheckfor);
}
B
Ben Laurie 已提交
747

B
Bodo Möller 已提交
748
if ($target eq "TABLE") {
749 750 751 752
    foreach (sort keys %table) {
	print_table_entry($_, "TABLE");
    }
    exit 0;
B
Bodo Möller 已提交
753 754
}

755
if ($target eq "LIST") {
756 757 758 759
    foreach (sort keys %table) {
	print $_,"\n" unless $table{$_}->{template};
    }
    exit 0;
760 761
}

762
if ($target eq "HASH") {
763 764 765 766 767
    print "%table = (\n";
    foreach (sort keys %table) {
	print_table_entry($_, "HASH");
    }
    exit 0;
768 769
}

770
# Backward compatibility?
771
if ($target =~ m/^CygWin32(-.*)$/) {
772
    $target = "Cygwin".$1;
773 774
}

775 776
foreach (sort (keys %disabled))
	{
777
	$config{options} .= " no-$_";
778 779 780 781

	printf "    no-%-12s %-10s", $_, "[$disabled{$_}]";

	if (/^dso$/)
782
		{ }
783
	elsif (/^threads$/)
784
		{ }
785
	elsif (/^shared$/)
786
		{ }
787 788
	elsif (/^pic$/)
		{ }
789
	elsif (/^zlib$/)
790
		{ }
791
	elsif (/^dynamic-engine$/)
D
Dr. Stephen Henson 已提交
792
		{ }
793 794 795 796
	elsif (/^zlib-dynamic$/)
		{ }
	elsif (/^sse2$/)
		{ $no_sse2 = 1; }
797
	elsif (/^engine$/)
R
Rich Salz 已提交
798 799 800 801 802
		{
		@{$config{dirs}} = grep !/^engines$/, @{$config{dirs}};
		@{$config{sdirs}} = grep !/^engine$/, @{$config{sdirs}};
		push @{$config{openssl_other_defines}}, "OPENSSL_NO_ENGINE";
		}
803 804 805
	else
		{
		my ($ALGO, $algo);
806
		($ALGO = $algo = $_) =~ tr/[\-a-z]/[_A-Z]/;
807

808
		if (/^asm$/ || /^err$/ || /^hw$/ || /^hw-/ || /^async$/
809
				|| /^autoalginit/ || /^autoerrinit/)
810
			{
811
			push @{$config{openssl_other_defines}}, "OPENSSL_NO_$ALGO";
812
			print " OPENSSL_NO_$ALGO";
813

814
			if (/^err$/)	{ push @user_defines, "OPENSSL_NO_ERR"; }
815 816 817
			}
		else
			{
818 819
			($ALGO,$algo) = ("RMD160","rmd160") if ($algo eq "ripemd");

820
			push @{$config{openssl_algorithm_defines}}, "OPENSSL_NO_$ALGO";
821 822
			print " OPENSSL_NO_$ALGO";

823
			# fix-up crypto/directory name(s)
824 825 826
			$algo="whrlpool" if $algo eq "whirlpool";
			$algo="ripemd" if $algo eq "rmd160";
			@{$config{sdirs}} = grep { $_ ne $algo} @{$config{sdirs}};
827

828
			print " (skip dir)";
829 830 831 832 833 834
			}
		}

	print "\n";
	}

835 836 837 838 839
print "Configuring for $target\n";

# Support for legacy targets having a name starting with 'debug-'
my ($d, $t) = $target =~ m/^(debug-)?(.*)$/;
if ($d) {
840
    $config{build_type} = "debug";
841 842 843 844 845 846

    # If we do not find debug-foo in the table, the target is set to foo.
    if (!$table{$target}) {
	$target = $t;
    }
}
847
$config{target} = $target;
848
my %target = resolve_config($target);
849 850 851

&usage if (!%target || $target{template});

852
%target = ( %{$table{DEFAULTS}}, %target );
853

854
$target{exe_extension}="";
R
Richard Levitte 已提交
855 856
$target{exe_extension}=".exe" if ($config{target} eq "DJGPP"
                                  || $config{target} =~ /^(?:Cygwin|mingw)/);
857 858
$target{exe_extension}=".nlm" if ($config{target} =~ /netware/);
$target{exe_extension}=".pm"  if ($config{target} =~ /vos/);
859

860 861 862 863 864 865 866
($target{shared_extension_simple}=$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)/);


867 868
$config{cross_compile_prefix} = $ENV{'CROSS_COMPILE'}
    if $config{cross_compile_prefix} eq "";
869

870 871 872 873 874 875
# Allow overriding the names of some tools.  USE WITH CARE
$config{perl} =    $ENV{'PERL'}    || which("perl5") || which("perl") || "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";
876

877 878
# For cflags, lflags, plib_lflags, ex_libs and defines, add the debug_
# or release_ attributes.
879
# Do it in such a way that no spurious space is appended (hence the grep).
880 881 882 883
$config{defines} = [];
$config{cflags} = "";
$config{ex_libs} = "";
$config{shared_ldflag} = "";
884

885 886 887 888
# Make sure build_scheme is consistent.
$target{build_scheme} = [ $target{build_scheme} ]
    if ref($target{build_scheme}) ne "ARRAY";

889 890 891
my ($builder, $builder_platform, @builder_opts) =
    @{$target{build_scheme}};

892
if ($target =~ /^mingw/ && `$target{cc} --target-help 2>&1` =~ m/-mno-cygwin/m)
893
	{
894
	$config{cflags} .= " -mno-cygwin";
895
	$config{shared_ldflag} .= " -mno-cygwin";
896 897
	}

898
if ($target =~ /linux.*-mips/ && !$disabled{asm} && $user_cflags !~ /-m(ips|arch=)/) {
A
Andy Polyakov 已提交
899
	# minimally required architecture flags for assembly modules
900 901
	$config{cflags}="-mips2 $config{cflags}" if ($target =~ /mips32/);
	$config{cflags}="-mips3 $config{cflags}" if ($target =~ /mips64/);
A
Andy Polyakov 已提交
902 903
}

904
my $no_shared_warn=0;
905
my $no_user_cflags=0;
906
my $no_user_defines=0;
907

908 909 910 911 912 913
# 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;
914
if (!$disabled{dso} && $target{dso_scheme} ne "")
915
	{
916 917
	$target{dso_scheme} =~ tr/[a-z]/[A-Z]/;
	if ($target{dso_scheme} eq "DLFCN")
918
		{
919
		unshift @{$config{defines}}, "DSO_DLFCN", "HAVE_DLFCN_H";
920
		}
921
	elsif ($target{dso_scheme} eq "DLFCN_NO_H")
922
		{
923
		unshift @{$config{defines}}, "DSO_DLFCN";
924 925 926
		}
	else
		{
927
		unshift @{$config{defines}}, "DSO_$target{dso_scheme}";
928 929
		}
	}
930

931
$config{ex_libs}="$libs$config{ex_libs}" if ($libs ne "");
932

933
if ($disabled{asm})
934
	{
935 936 937 938 939
	if ($config{fips})
		{
		@{$config{defines}} = grep !/^[BL]_ENDIAN$/, @{$config{defines}};
		@{$target{defines}} = grep !/^[BL]_ENDIAN$/, @{$target{defines}};
		}
940
	}
941

942 943 944 945 946 947 948 949 950 951 952 953 954 955 956 957 958 959 960 961 962 963 964 965 966 967 968 969 970 971 972
# 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)") {
            $disabled{threads} = "unavailable";
        }
    } else {
        # The user chose to enable threads explicitely, let's see
        # if there's a chance that's possible
        if ($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";
    }
}
973

974 975
# With "deprecated" disable all deprecated features.
if (defined($disabled{"deprecated"})) {
976
        $config{api} = $maxapi;
977
}
978

979
if ($target{shared_target} eq "")
980
	{
981
	$no_shared_warn = 1
982
	    if ((!$disabled{shared} || !$disabled{"dynamic-engine"})
983
		&& !$config{fips});
984
	$disabled{shared} = "no-shared-target";
985 986
	$disabled{pic} = $disabled{shared} = $disabled{"dynamic-engine"} =
	    "no-shared-target";
987
	}
988

989
if ($disabled{"dynamic-engine"}) {
990 991
        push @{$config{defines}}, "OPENSSL_NO_DYNAMIC_ENGINE";
        $config{dynamic_engines} = 0;
992 993 994
} else {
        push @{$config{defines}}, "OPENSSL_NO_STATIC_ENGINE";
        $config{dynamic_engines} = 1;
995
}
996

997 998 999
#
# Platform fix-ups
#
1000 1001 1002 1003 1004 1005 1006

# This saves the build files from having to check
if ($disabled{pic})
	{
	$target{shared_cflag} = $target{shared_ldflag} =
		$target{shared_rcflag} = "";
	}
R
Richard Levitte 已提交
1007 1008 1009 1010
else
	{
	push @{$config{defines}}, "OPENSSL_PIC";
	}
1011

1012
if ($target{sys_id} ne "")
1013
	{
1014
	push @{$config{openssl_sys_defines}}, "OPENSSL_SYS_$target{sys_id}";
1015 1016
	}

1017
unless ($disabled{asm}) {
1018
    $target{cpuid_asm_src}=$table{DEFAULTS}->{cpuid_asm_src} if ($config{processor} eq "386");
1019
    $target{bn_asm_src} =~ s/\w+-gf2m.c// if (defined($disabled{ec2m}));
1020

1021
    # bn-586 is the only one implementing bn_*_part_words
1022 1023
    push @{$config{defines}}, "OPENSSL_BN_ASM_PART_WORDS" if ($target{bn_asm_src} =~ /bn-586/);
    push @{$config{defines}}, "OPENSSL_IA32_SSE2" if (!$no_sse2 && $target{bn_asm_src} =~ /86/);
1024

1025 1026 1027
    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/);
1028

1029
    if ($config{fips}) {
1030
	push @{$config{openssl_other_defines}}, "OPENSSL_FIPS";
1031
    }
1032

1033
    if ($target{sha1_asm_src}) {
1034 1035 1036
	push @{$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 ($target{sha1_asm_src} =~ /sha512/);
1037
    }
1038
    if ($target{md5_asm_src}) {
1039
	push @{$config{defines}}, "MD5_ASM";
1040
    }
1041
    $target{cast_asm_src}=$table{DEFAULTS}->{cast_asm_src} unless $disabled{pic}; # CAST assembler is not PIC
1042
    if ($target{rmd160_asm_src}) {
1043
	push @{$config{defines}}, "RMD160_ASM";
1044
    }
1045
    if ($target{aes_asm_src}) {
1046
	push @{$config{defines}}, "AES_ASM" if ($target{aes_asm_src} =~ m/\baes-/);;
1047
	# aes-ctr.fake is not a real file, only indication that assembler
1048
	# module implements AES_ctr32_encrypt...
1049
	push @{$config{defines}}, "AES_CTR_ASM" if ($target{aes_asm_src} =~ s/\s*aes-ctr\.fake//);
1050
	# aes-xts.fake indicates presence of AES_xts_[en|de]crypt...
1051
	push @{$config{defines}}, "AES_XTS_ASM" if ($target{aes_asm_src} =~ s/\s*aes-xts\.fake//);
1052
	$target{aes_asm_src} =~ s/\s*(vpaes|aesni)-x86\.s//g if ($no_sse2);
1053 1054
	push @{$config{defines}}, "VPAES_ASM" if ($target{aes_asm_src} =~ m/vpaes/);
	push @{$config{defines}}, "BSAES_ASM" if ($target{aes_asm_src} =~ m/bsaes/);
1055
    }
1056
    if ($target{wp_asm_src} =~ /mmx/) {
1057
        if ($config{processor} eq "386") {
1058
	    $target{wp_asm_src}=$table{DEFAULTS}->{wp_asm_src};
1059
	} elsif (!$disabled{"whirlpool"}) {
1060
	    push @{$config{defines}}, "WHIRLPOOL_ASM";
1061
	}
1062
    }
1063
    if ($target{modes_asm_src} =~ /ghash-/) {
1064
	push @{$config{defines}}, "GHASH_ASM";
1065
    }
1066
    if ($target{ec_asm_src} =~ /ecp_nistz256/) {
1067
	push @{$config{defines}}, "ECP_NISTZ256_ASM";
1068
    }
1069
    if ($target{poly1305_asm_src} ne "") {
1070
	push @{$config{defines}}, "POLY1305_ASM";
1071 1072
    }
}
1073

1074
my $ecc = $target{cc};
1075 1076 1077 1078 1079 1080 1081 1082 1083 1084 1085 1086
if ($^O ne "VMS") {
    # Is the compiler gcc or clang?  $ecc is used below to see if
    # error-checking can be turned on.
    my $ccpcc = "$config{cross_compile_prefix}$target{cc}";
    $config{makedepprog} = 'makedepend';
    open(PIPE, "$ccpcc --version 2>&1 | head -2 |");
    while ( <PIPE> ) {
        $config{makedepprog} = $ccpcc if /clang|gcc/;
        $ecc = "clang" if /clang/;
        $ecc = "gcc" if /gcc/;
    }
    close(PIPE);
R
Rich Salz 已提交
1087
}
1088

1089 1090 1091 1092 1093 1094 1095

# Deal with bn_ops ###################################################

$config{bn_ll}			=0;
$config{export_var_as_fn}	=0;
my $def_int="unsigned int";
$config{rc4_int}		=$def_int;
R
Rich Salz 已提交
1096
($config{b64l},$config{b64},$config{b32})=(0,0,1);
1097

R
Rich Salz 已提交
1098
my $count = 0;
1099
foreach (sort split(/\s+/,$target{bn_ops})) {
R
Rich Salz 已提交
1100 1101 1102 1103 1104 1105 1106 1107 1108 1109
    $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';
1110
}
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Rich Salz 已提交
1111 1112
die "Exactly one of SIXTY_FOUR_BIT|SIXTY_FOUR_BIT_LONG|THIRTY_TWO_BIT can be set in bn_ops\n"
    if $count > 1;
1113 1114 1115 1116


# Hack cflags for better warnings (dev option) #######################

1117 1118
# "Stringify" the C flags string.  This permits it to be made part of a string
# and works as well on command lines.
1119
$config{cflags} =~ s/([\\\"])/\\\1/g;
1120

1121 1122
if (defined($config{api})) {
    $config{openssl_api_defines} = [ "OPENSSL_MIN_API=".$apitable->{$config{api}} ];
1123 1124
    my $apiflag = sprintf("OPENSSL_API_COMPAT=%s", $apitable->{$config{api}});
    push @{$config{defines}}, $apiflag;
1125 1126
}

1127 1128 1129
if ($strict_warnings)
	{
	my $wopt;
R
Rich Salz 已提交
1130 1131
	die "ERROR --strict-warnings requires gcc or clang"
            unless $ecc eq 'gcc' || $ecc eq 'clang';
1132 1133
	foreach $wopt (split /\s+/, $gcc_devteam_warn)
		{
1134
		$config{cflags} .= " $wopt" unless ($config{cflags} =~ /(?:^|\s)$wopt(?:\s|$)/)
1135
		}
B
Ben Laurie 已提交
1136 1137 1138 1139
	if ($ecc eq "clang")
		{
		foreach $wopt (split /\s+/, $clang_devteam_warn)
			{
1140
			$config{cflags} .= " $wopt" unless ($config{cflags} =~ /(?:^|\s)$wopt(?:\s|$)/)
B
Ben Laurie 已提交
1141 1142
			}
		}
1143 1144 1145 1146 1147
	}

unless ($disabled{"crypto-mdebug-backtrace"})
	{
	foreach my $wopt (split /\s+/, $memleak_devteam_backtrace)
1148
		{
1149
		$config{cflags} .= " $wopt" unless ($config{cflags} =~ /(?:^|\s)$wopt(?:\s|$)/)
1150 1151 1152 1153
		}
	if ($target =~ /^BSD-/)
		{
		$config{ex_libs} .= " -lexecinfo";
1154
		}
1155 1156
	}

1157 1158 1159 1160 1161 1162 1163
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

C
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1164 1165 1166 1167 1168 1169 1170 1171
$config{afalg}="";
if ($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 + $mi2;
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Matt Caswell 已提交
1172 1173
        if ($ver < $minver) {
            $disabled{afalg} = "too-old-kernel";
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1174
        } else {
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1175
            push @{$config{engdirs}}, "afalg";
C
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1176
        }
C
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1177
    }
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1178 1179
} else {
    $disabled{afalg}  = "not-linux";
C
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1180
}
M
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1181 1182

push @{$config{openssl_other_defines}}, "OPENSSL_NO_AFALGENG" if ($disabled{afalg});
C
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1183

1184 1185 1186
# If we use the unified build, collect information from build.info files
my %unified_info = ();

1187 1188 1189 1190 1191 1192 1193 1194 1195 1196 1197
if ($builder eq "unified") {
    # 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 $build_file_template =
        catfile($srcdir, "Configurations",
                $builder_platform."-".$target{build_file}.".tmpl");
    $build_file_template =
        catfile($srcdir, "Configurations", $target{build_file}.".tmpl")
        if (! -f $build_file_template);
    $config{build_file_template} = $build_file_template;

1198 1199 1200 1201
    use lib catdir(dirname(__FILE__),"util");
    use with_fallback qw(Text::Template);

    sub cleandir {
1202
        my $base = shift;
1203
        my $dir = shift;
1204 1205 1206
        my $relativeto = shift || ".";

        $dir = catdir($base,$dir) unless isabsolute($dir);
1207

1208 1209 1210
        # Make sure the directories we're building in exists
        mkpath($dir);

1211
        my $res = abs2rel(absolutedir($dir), rel2abs($relativeto));
1212 1213 1214 1215 1216
        #print STDERR "DEBUG[cleandir]: $dir , $base => $res\n";
        return $res;
    }

    sub cleanfile {
1217
        my $base = shift;
1218
        my $file = shift;
1219 1220 1221 1222
        my $relativeto = shift || ".";

        $file = catfile($base,$file) unless isabsolute($file);

1223 1224 1225
        my $d = dirname($file);
        my $f = basename($file);

1226 1227 1228
        # Make sure the directories we're building in exists
        mkpath($d);

1229
        my $res = abs2rel(catfile(absolutedir($d), $f), rel2abs($relativeto));
1230 1231 1232 1233 1234 1235 1236 1237 1238 1239 1240 1241 1242 1243 1244 1245 1246 1247
        #print STDERR "DEBUG[cleanfile]: $d , $f => $res\n";
        return $res;
    }

    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"));
    }

1248 1249
    $config{build_infos} = [ ];

1250 1251 1252 1253
    foreach (@build_infos) {
        my $sourced = catdir($srcdir, $_->[0]);
        my $buildd = catdir($blddir, $_->[0]);

1254
        mkpath($buildd);
1255 1256 1257 1258 1259 1260 1261 1262

        my $f = $_->[1];
        # The basic things we're trying to build
        my @programs = ();
        my @libraries = ();
        my @engines = ();
        my @scripts = ();
        my @extra = ();
1263
        my @overrides = ();
1264 1265 1266 1267 1268 1269 1270 1271 1272
        my @intermediates = ();
        my @rawlines = ();

        my %ordinals = ();
        my %sources = ();
        my %includes = ();
        my %depends = ();
        my %renames = ();
        my %sharednames = ();
1273
        my %generate = ();
1274

1275
        push @{$config{build_infos}}, catfile(abs2rel($sourced, $blddir), $f);
1276 1277 1278 1279 1280 1281 1282
        my $template = Text::Template->new(TYPE => 'FILE',
                                           SOURCE => catfile($sourced, $f));
        die "Something went wrong with $sourced/$f: $!\n" unless $template;
        my @text =
            split /^/m,
            $template->fill_in(HASH => { config => \%config,
                                         target => \%target,
1283
                                         disabled => \%disabled,
1284 1285 1286 1287 1288 1289 1290 1291 1292 1293 1294 1295 1296 1297 1298 1299 1300 1301 1302 1303 1304 1305 1306 1307 1308 1309 1310 1311 1312 1313 1314 1315 1316 1317 1318 1319 1320 1321 1322 1323 1324 1325 1326 1327 1328 1329 1330 1331
                                         builddir => abs2rel($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 { 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*$/
            => sub { die "ENDIF out of scope" if ! @skip;
                     pop @skip; },
            qr/^\s*PROGRAMS\s*=\s*(.*)\s*$/
            => sub { push @programs, split(/\s+/, $1)
                         if !@skip || $skip[$#skip] > 0 },
            qr/^\s*LIBS\s*=\s*(.*)\s*$/
            => sub { push @libraries, split(/\s+/, $1)
                         if !@skip || $skip[$#skip] > 0 },
            qr/^\s*ENGINES\s*=\s*(.*)\s*$/
            => sub { push @engines, split(/\s+/, $1)
                         if !@skip || $skip[$#skip] > 0 },
            qr/^\s*SCRIPTS\s*=\s*(.*)\s*$/
            => sub { push @scripts, split(/\s+/, $1)
                         if !@skip || $skip[$#skip] > 0 },
            qr/^\s*EXTRA\s*=\s*(.*)\s*$/
            => sub { push @extra, split(/\s+/, $1)
                         if !@skip || $skip[$#skip] > 0 },
1332 1333 1334
            qr/^\s*OVERRIDES\s*=\s*(.*)\s*$/
            => sub { push @overrides, split(/\s+/, $1)
                         if !@skip || $skip[$#skip] > 0 },
1335 1336 1337 1338 1339 1340 1341 1342 1343 1344 1345 1346 1347

            qr/^\s*ORDINALS\[((?:\\.|[^\\\]])+)\]\s*=\s*(.*)\s*$/,
            => sub { push @{$ordinals{$1}}, split(/\s+/, $2)
                         if !@skip || $skip[$#skip] > 0 },
            qr/^\s*SOURCE\[((?:\\.|[^\\\]])+)\]\s*=\s*(.*)\s*$/
            => sub { push @{$sources{$1}}, split(/\s+/, $2)
                         if !@skip || $skip[$#skip] > 0 },
            qr/^\s*INCLUDE\[((?:\\.|[^\\\]])+)\]\s*=\s*(.*)\s*$/
            => sub { push @{$includes{$1}}, split(/\s+/, $2)
                         if !@skip || $skip[$#skip] > 0 },
            qr/^\s*DEPEND\[((?:\\.|[^\\\]])+)\]\s*=\s*(.*)\s*$/
            => sub { push @{$depends{$1}}, split(/\s+/, $2)
                         if !@skip || $skip[$#skip] > 0 },
1348 1349 1350
            qr/^\s*GENERATE\[((?:\\.|[^\\\]])+)\]\s*=\s*(.*)\s*$/
            => sub { push @{$generate{$1}}, $2
                         if !@skip || $skip[$#skip] > 0 },
1351 1352 1353 1354 1355 1356 1357 1358 1359 1360 1361
            qr/^\s*RENAME\[((?:\\.|[^\\\]])+)\]\s*=\s*(.*)\s*$/
            => sub { push @{$renames{$1}}, split(/\s+/, $2)
                         if !@skip || $skip[$#skip] > 0 },
            qr/^\s*SHARED_NAME\[((?:\\.|[^\\\]])+)\]\s*=\s*(.*)\s*$/
            => sub { push @{$sharednames{$1}}, split(/\s+/, $2)
                         if !@skip || $skip[$#skip] > 0 },
            qr/^\s*BEGINRAW\[((?:\\.|[^\\\]])+)\]\s*$/
            => sub {
                my $lineiterator = shift;
                my $target_kind = $1;
                while (defined $lineiterator->()) {
R
Richard Levitte 已提交
1362
                    s|\R$||;
1363 1364 1365 1366 1367 1368 1369 1370
                    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}
1371
                            || $target_kind eq $target{build_file}."(".$builder_platform.")");
1372 1373 1374 1375 1376 1377 1378 1379 1380 1381 1382
                }
            },
            qr/^(?:#.*|\s*)$/ => sub { },
            "OTHERWISE" => sub { die "Something wrong with this line:\n$_\nat $sourced/$f" }
            );
        die "runaway IF?" if (@skip);

        foreach (keys %renames) {
            die "$_ renamed to more than one thing: "
                ,join(" ", @{$renames{$_}}),"\n"
                if scalar @{$renames{$_}} > 1;
1383 1384
            my $dest = cleanfile($buildd, $_, $blddir);
            my $to = cleanfile($buildd, $renames{$_}->[0], $blddir);
1385 1386 1387 1388 1389 1390 1391 1392
            die "$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) {
1393
            my $program = cleanfile($buildd, $_, $blddir);
1394 1395 1396 1397 1398 1399 1400
            if ($unified_info{rename}->{$program}) {
                $program = $unified_info{rename}->{$program};
            }
            $unified_info{programs}->{$program} = 1;
        }

        foreach (@libraries) {
1401
            my $library = cleanfile($buildd, $_, $blddir);
1402 1403 1404 1405 1406 1407
            if ($unified_info{rename}->{$library}) {
                $library = $unified_info{rename}->{$library};
            }
            $unified_info{libraries}->{$library} = 1;
        }

1408
        die <<"EOF" if scalar @engines and !$config{dynamic_engines};
1409
ENGINES can only be used if configured with 'dynamic-engine'.
1410 1411 1412
This is usually a fault in a build.info file.
EOF
        foreach (@engines) {
1413
            my $library = cleanfile($buildd, $_, $blddir);
1414 1415 1416 1417 1418 1419 1420
            if ($unified_info{rename}->{$library}) {
                $library = $unified_info{rename}->{$library};
            }
            $unified_info{engines}->{$library} = 1;
        }

        foreach (@scripts) {
1421
            my $script = cleanfile($buildd, $_, $blddir);
1422 1423 1424 1425 1426 1427 1428
            if ($unified_info{rename}->{$script}) {
                $script = $unified_info{rename}->{$script};
            }
            $unified_info{scripts}->{$script} = 1;
        }

        foreach (@extra) {
1429
            my $extra = cleanfile($buildd, $_, $blddir);
1430 1431 1432
            $unified_info{extra}->{$extra} = 1;
        }

1433 1434 1435 1436 1437
        foreach (@overrides) {
            my $override = cleanfile($buildd, $_, $blddir);
            $unified_info{overrides}->{$override} = 1;
        }

1438 1439
        push @{$unified_info{rawlines}}, @rawlines;

1440
        unless ($disabled{shared}) {
1441 1442
            # Check sharednames.
            foreach (keys %sharednames) {
1443
                my $dest = cleanfile($buildd, $_, $blddir);
1444 1445 1446 1447 1448 1449
                if ($unified_info{rename}->{$dest}) {
                    $dest = $unified_info{rename}->{$dest};
                }
                die "shared_name for $dest with multiple values: "
                    ,join(" ", @{$sharednames{$_}}),"\n"
                    if scalar @{$sharednames{$_}} > 1;
1450
                my $to = cleanfile($buildd, $sharednames{$_}->[0], $blddir);
1451 1452 1453 1454 1455 1456 1457 1458 1459 1460 1461 1462 1463 1464 1465 1466 1467 1468 1469 1470
                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 = $_;
1471
            my $ddest = cleanfile($buildd, $_, $blddir);
1472 1473 1474 1475 1476 1477 1478
            if ($unified_info{rename}->{$ddest}) {
                $ddest = $unified_info{rename}->{$ddest};
            }
            foreach (@{$ordinals{$dest}}) {
                my %known_ordinals =
                    (
                     crypto =>
1479
                     cleanfile($sourced, catfile("util", "libcrypto.num"), $blddir),
1480
                     ssl =>
1481
                     cleanfile($sourced, catfile("util", "libssl.num"), $blddir)
1482 1483 1484 1485 1486 1487 1488 1489 1490 1491
                    );
                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 = $_;
1492
            my $ddest = cleanfile($buildd, $_, $blddir);
1493 1494 1495 1496
            if ($unified_info{rename}->{$ddest}) {
                $ddest = $unified_info{rename}->{$ddest};
            }
            foreach (@{$sources{$dest}}) {
1497
                my $s = cleanfile($sourced, $_, $blddir);
1498 1499 1500 1501

                # If it isn't in the source tree, we assume it's generated
                # in the build tree
                if (! -f $s) {
1502
                    $s = cleanfile($buildd, $_, $blddir);
1503 1504 1505 1506
                }
                # We recognise C and asm files
                if ($s =~ /\.[csS]\b$/) {
                    (my $o = $_) =~ s/\.[csS]\b$/.o/;
1507
                    $o = cleanfile($buildd, $o, $blddir);
1508 1509 1510 1511 1512 1513 1514 1515
                    $unified_info{sources}->{$ddest}->{$o} = 1;
                    $unified_info{sources}->{$o}->{$s} = 1;
                } else {
                    $unified_info{sources}->{$ddest}->{$s} = 1;
                }
            }
        }

1516 1517 1518 1519 1520 1521 1522 1523 1524 1525 1526 1527 1528 1529
        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 ];
        }

1530 1531
        foreach (keys %depends) {
            my $dest = $_;
1532
            my $ddest = cleanfile($buildd, $_, $blddir);
1533 1534 1535 1536
            if ($unified_info{rename}->{$ddest}) {
                $ddest = $unified_info{rename}->{$ddest};
            }
            foreach (@{$depends{$dest}}) {
1537
                my $d = cleanfile($sourced, $_, $blddir);
1538

1539 1540 1541 1542 1543 1544 1545 1546 1547
                # 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 (! -f $d
                    || !(grep { $d eq $_ }
                         map { cleanfile($srcdir, $_, $blddir) }
                         (@generated_headers, @generated_by_make_headers))) {
1548
                    $d = cleanfile($buildd, $_, $blddir);
1549 1550 1551 1552 1553 1554 1555 1556 1557 1558 1559 1560 1561 1562 1563 1564 1565 1566
                }
                # Take note if the file to depend on is being renamed
                if ($unified_info{rename}->{$d}) {
                    $d = $unified_info{rename}->{$d};
                }
                $unified_info{depends}->{$ddest}->{$d} = 1;
                # If we depend on a header file, let's make sure it
                # can get included
                if ($d =~ /\.h$/) {
                    my $i = dirname($d);
                    push @{$unified_info{includes}->{$ddest}}, $i
                        unless grep { $_ eq $i } @{$unified_info{includes}->{$ddest}};
                }
            }
        }

        foreach (keys %includes) {
            my $dest = $_;
1567
            my $ddest = cleanfile($buildd, $_, $blddir);
1568 1569 1570 1571
            if ($unified_info{rename}->{$ddest}) {
                $ddest = $unified_info{rename}->{$ddest};
            }
            foreach (@{$includes{$dest}}) {
1572
                my $i = cleandir($sourced, $_, $blddir);
1573 1574 1575 1576 1577 1578 1579 1580
                push @{$unified_info{includes}->{$ddest}}, $i
                    unless grep { $_ eq $i } @{$unified_info{includes}->{$ddest}};
            }
        }
    }

    ### Make unified_info a bit more efficient
    # One level structures
1581
    foreach (("programs", "libraries", "engines", "scripts", "extra", "overrides")) {
1582 1583 1584 1585 1586 1587 1588 1589 1590 1591 1592 1593 1594
        $unified_info{$_} = [ sort keys %{$unified_info{$_}} ];
    }
    # Two level structures
    foreach my $l1 (("sources", "ldadd", "depends")) {
        foreach my $l2 (sort keys %{$unified_info{$l1}}) {
            $unified_info{$l1}->{$l2} =
                [ sort keys %{$unified_info{$l1}->{$l2}} ];
        }
    }
}

# For the schemes that need it, we provide the old *_obj configs
# from the *_asm_obj ones
1595
foreach (grep /_(asm|aux)_src$/, keys %target) {
1596
    my $src = $_;
1597
    (my $obj = $_) =~ s/_(asm|aux)_src$/_obj/;
1598 1599 1600
    ($target{$obj} = $target{$src}) =~ s/\.[csS]\b/.o/g;
}

1601 1602 1603 1604 1605 1606 1607 1608 1609 1610 1611 1612
# 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);
1613
our \@EXPORT = qw(\%config \%target %disabled %withargs %unified_info);
1614 1615 1616 1617 1618 1619 1620 1621 1622 1623 1624 1625 1626 1627 1628 1629 1630 1631 1632 1633 1634 1635 1636 1637 1638 1639 1640 1641 1642

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";
);

1643 1644 1645 1646 1647 1648 1649 1650 1651 1652 1653 1654 1655 1656 1657
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 \%disabled = (\n";
foreach (sort keys %disabled) {
    print OUT "  ", quotify("perl", $_), " => ", quotify("perl", $disabled{$_}), ",\n";
}
print OUT <<"EOF";
);

1658
EOF
1659 1660 1661 1662 1663 1664 1665 1666 1667 1668 1669 1670
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";
);
1671

1672
EOF
1673
if ($builder eq "unified") {
1674 1675 1676 1677 1678 1679 1680 1681 1682 1683 1684 1685 1686 1687 1688 1689 1690 1691 1692 1693 1694 1695 1696 1697 1698 1699 1700 1701 1702 1703 1704 1705 1706 1707 1708 1709 1710 1711 1712 1713 1714 1715
    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";
1716
close(OUT);
1717

1718

1719
print "IsMK1MF       =", ($builder eq "mk1mf" ? "yes" : "no"), "\n";
1720
print "CC            =$target{cc}\n";
1721 1722
print "CFLAG         =$target{cflags} $config{cflags}\n";
print "DEFINES       =",join(" ", @{$target{defines}}, @{$config{defines}}),"\n";
1723 1724
print "LFLAG         =$target{lflags}\n";
print "PLIB_LFLAG    =$target{plib_lflags}\n";
1725
print "EX_LIBS       =$target{ex_libs} $config{ex_libs}\n";
1726
print "APPS_OBJ      =$target{apps_obj}\n";
1727
print "CPUID_OBJ     =$target{cpuid_obj}\n";
1728
print "UPLINK_OBJ    =$target{uplink_obj}\n";
1729 1730 1731 1732 1733 1734 1735 1736 1737 1738 1739 1740 1741
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     =$target{modes_obj}\n";
R
Richard Levitte 已提交
1742
print "PADLOCK_OBJ   =$target{padlock_obj}\n";
1743 1744
print "CHACHA_ENC    =$target{chacha_obj}\n";
print "POLY1305_OBJ  =$target{poly1305_obj}\n";
1745
print "PROCESSOR     =$config{processor}\n";
1746 1747 1748
print "RANLIB        =$target{ranlib}\n";
print "ARFLAGS       =$target{arflags}\n";
print "PERL          =$config{perl}\n";
R
Richard Levitte 已提交
1749
print "\n";
1750 1751 1752 1753 1754
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} != $def_int;
B
Ben Laurie 已提交
1755

1756 1757 1758 1759
for (@generated_headers) {
    mkpath(catdir($blddir, dirname($_)));
    run_dofile(catfile($blddir, $_),
               catfile($srcdir, $_.".in"));
R
Richard Levitte 已提交
1760 1761
}

1762 1763 1764 1765 1766 1767 1768 1769 1770 1771 1772 1773 1774 1775 1776 1777 1778 1779 1780 1781 1782 1783 1784 1785 1786 1787 1788 1789 1790 1791 1792
###
### When the old "unixmake" scheme goes away, so does this function
###
sub build_Makefile {
    run_dofile("Makefile","Makefile.in");

    # Copy all Makefile.in to Makefile (except top-level)
    use File::Find;
    use IO::File;
    find(
        {
            preprocess => sub {
                grep(!/^\./, @_);
            },
            wanted => sub {
                return if ($_ ne "Makefile.in" || $File::Find::dir eq ".");
                my $in = IO::File->new($_, "r") or
                    die sprintf "Error reading Makefile.in in %s: !$\n",
                    $File::Find::dir;
                my $out = IO::File->new("Makefile", "w") or
                    die sprintf "Error writing Makefile in %s: !$\n",
                    $File::Find::dir;
                print $out "# Generated from $_, do not edit\n";
                while (my $line = <$in>) { print $out $line }
                $in->close() or
                    die sprintf "Error reading Makefile.in in %s: !$\n",
                    $File::Find::dir;
                $out->close() or
                    die sprintf "Error writing Makefile in %s: !$\n",
                    $File::Find::dir;
            },
1793
        },
1794 1795
        ".");
}
R
Rich Salz 已提交
1796

1797
my %builders = (
1798
    unified => sub {
1799 1800 1801
        run_dofile(catfile($blddir, $target{build_file}),
                   $config{build_file_template},
                   catfile($srcdir, "Configurations", "common.tmpl"));
1802
    },
1803
    unixmake => sub {
1804 1805 1806 1807
        build_Makefile();

        run_dofile("util/domd", "util/domd.in");
        chmod 0755, "util/domd";
1808 1809
    },
    mk1mf => sub {
1810
        my $platform = shift;
1811 1812 1813
        # The only reason we do this is to have something to build MINFO from
        build_Makefile();

1814
	# create the ms/version32.rc file if needed
1815
	if ($platform ne "netware") {
1816
	    my ($v1, $v2, $v3, $v4);
1817
	    if ($config{version_num} =~ /^0x([0-9a-f]{1})([0-9a-f]{2})([0-9a-f]{2})([0-9a-f]{2})([0-9a-f]{1})L$/i) {
D
 
Dr. Stephen Henson 已提交
1818 1819 1820 1821
		$v1=hex $1;
		$v2=hex $2;
		$v3=hex $3;
		$v4=hex $4;
1822 1823 1824
	    }
	    open (OUT,">ms/version32.rc") || die "Can't open ms/version32.rc";
	    print OUT <<"EOF";
D
 
Dr. Stephen Henson 已提交
1825 1826 1827 1828 1829 1830 1831 1832 1833 1834 1835 1836 1837 1838 1839 1840 1841 1842 1843 1844 1845
#include <winver.h>

LANGUAGE 0x09,0x01

1 VERSIONINFO
  FILEVERSION $v1,$v2,$v3,$v4
  PRODUCTVERSION $v1,$v2,$v3,$v4
  FILEFLAGSMASK 0x3fL
#ifdef _DEBUG
  FILEFLAGS 0x01L
#else
  FILEFLAGS 0x00L
#endif
  FILEOS VOS__WINDOWS32
  FILETYPE VFT_DLL
  FILESUBTYPE 0x0L
BEGIN
    BLOCK "StringFileInfo"
    BEGIN
	BLOCK "040904b0"
	BEGIN
1846
	    // Required:
D
 
Dr. Stephen Henson 已提交
1847 1848
	    VALUE "CompanyName", "The OpenSSL Project, http://www.openssl.org/\\0"
	    VALUE "FileDescription", "OpenSSL Shared Library\\0"
1849
	    VALUE "FileVersion", "$config{version}\\0"
D
 
Dr. Stephen Henson 已提交
1850
#if defined(CRYPTO)
1851 1852
	    VALUE "InternalName", "libcrypto32\\0"
	    VALUE "OriginalFilename", "libcrypto32.dll\\0"
D
 
Dr. Stephen Henson 已提交
1853
#elif defined(SSL)
1854 1855
	    VALUE "InternalName", "libssl32\\0"
	    VALUE "OriginalFilename", "libssl32.dll\\0"
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Dr. Stephen Henson 已提交
1856
#endif
D
 
Dr. Stephen Henson 已提交
1857
	    VALUE "ProductName", "The OpenSSL Toolkit\\0"
1858
	    VALUE "ProductVersion", "$config{version}\\0"
D
 
Dr. Stephen Henson 已提交
1859 1860
	    // Optional:
	    //VALUE "Comments", "\\0"
A
Andy Polyakov 已提交
1861
	    VALUE "LegalCopyright", "Copyright © 1998-2015 The OpenSSL Project. Copyright © 1995-1998 Eric A. Young, Tim J. Hudson. All rights reserved.\\0"
D
 
Dr. Stephen Henson 已提交
1862 1863 1864 1865 1866 1867 1868 1869 1870 1871 1872
	    //VALUE "LegalTrademarks", "\\0"
	    //VALUE "PrivateBuild", "\\0"
	    //VALUE "SpecialBuild", "\\0"
	END
    END
    BLOCK "VarFileInfo"
    BEGIN
        VALUE "Translation", 0x409, 0x4b0
    END
END
EOF
1873 1874 1875 1876 1877
	    close(OUT);
	}
    },
    );

1878
$builders{$builder}->($builder_platform, @builder_opts);
1879

1880
print <<"EOF";
1881

1882
Configured for $target.
1883
EOF
1884

1885
print <<"EOF" if ($disabled{threads} eq "unavailable");
1886 1887 1888

The library could not be configured for supporting multi-threaded
applications as the compiler options required on this system are not known.
1889
See file INSTALL for details if you need multi-threading.
1890 1891
EOF

1892
print <<"EOF" if ($no_shared_warn);
1893

1894 1895 1896 1897 1898
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).
R
Rich Salz 已提交
1899 1900
EOF

1901 1902
exit(0);

1903 1904 1905 1906 1907 1908 1909 1910
######################################################################
#
# Helpers and utility functions
#

# Configuration file reading #########################################

# Helper function to implement conditional inheritance depending on the
1911
# value of $disabled{asm}.  Used in inherit_from values as follows:
1912 1913 1914 1915 1916 1917
#
#      inherit_from => [ "template", asm("asm_tmpl") ]
#
sub asm {
    my @x = @_;
    sub {
1918
	$disabled{asm} ? () : @x;
1919 1920 1921
    }
}

1922
our $add_called = 0;
1923 1924 1925 1926 1927
# 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;

1928 1929 1930 1931
    # 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);
1932 1933 1934

    my @values =
	map {
1935 1936 1937 1938 1939 1940 1941 1942 1943 1944 1945
	    my $res = $_;
	    while (ref($res) eq "CODE") {
		$res = $res->();
	    }
	    if (defined($res)) {
		if (ref($res) eq "ARRAY") {
		    $found_array = 1;
		    @$res;
		} else {
		    $res;
		}
1946
	    } else {
1947
		();
1948 1949 1950
	    }
    } (@_);

1951 1952
    $add_called = 1;

1953 1954 1955
    if ($found_array) {
	[ @values ];
    } else {
1956
	join($separator, grep { defined($_) && $_ ne "" } @values);
1957 1958 1959
    }
}
sub add_before {
1960 1961 1962 1963 1964
    my $separator = " ";
    if (ref($_[$#_]) eq "HASH") {
        my $opts = pop;
        $separator = $opts->{separator};
    }
1965 1966 1967 1968
    my @x = @_;
    sub { _add($separator, @x, @_) };
}
sub add {
1969 1970 1971 1972 1973
    my $separator = " ";
    if (ref($_[$#_]) eq "HASH") {
        my $opts = pop;
        $separator = $opts->{separator};
    }
1974 1975 1976 1977
    my @x = @_;
    sub { _add($separator, @_, @x) };
}

1978 1979 1980 1981 1982 1983 1984 1985 1986 1987 1988 1989 1990 1991 1992 1993 1994 1995 1996 1997 1998 1999 2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015 2016 2017 2018 2019 2020
# 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 = ();
    {
	local %table = %::table;    # Protect %table from tampering

	eval $content;
	warn $@ if $@;
    }

    # 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 $targets{$_};
	}
    }

    %table = (%table, %targets);

}

# configuration resolver.  Will only resolve all the lazy evalutation
# codeblocks for the chozen target and all those it inherits from,
# recursively
sub resolve_config {
    my $target = shift;
    my @breadcrumbs = @_;

2021 2022
    my $extra_checks = defined($ENV{CONFIGURE_EXTRA_CHECKS});

2023 2024 2025 2026 2027 2028 2029 2030 2031 2032 2033 2034 2035 2036 2037 2038 2039 2040 2041 2042 2043 2044 2045 2046 2047 2048 2049 2050 2051 2052 2053 2054 2055 2056 2057 2058 2059 2060 2061 2062 2063 2064 2065 2066 2067 2068 2069 2070 2071 2072
    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};

	    map {
		if (!$combined_inheritance{$_}) {
		    $combined_inheritance{$_} = [];
		}
		push @{$combined_inheritance{$_}}, $inherited_config{$_};
	    } keys %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
    #   emoty 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.
2073
    my $default_combiner = add();
2074 2075 2076 2077

    my %all_keys =
	map { $_ => 1 } (keys %combined_inheritance,
			 keys %{$table{$target}});
2078 2079 2080 2081 2082 2083 2084

    sub process_values {
	my $object    = shift;
	my $inherited = shift;  # Always a [ list ]
	my $target    = shift;
	my $entry     = shift;

2085 2086
        $add_called = 0;

2087 2088 2089 2090 2091 2092 2093
        while(ref($object) eq "CODE") {
            $object = $object->(@$inherited);
        }
        if (!defined($object)) {
            return ();
        }
        elsif (ref($object) eq "ARRAY") {
2094
            local $add_called;  # To make sure recursive calls don't affect it
2095 2096 2097 2098 2099 2100 2101 2102 2103 2104
            return [ map { process_values($_, $inherited, $target, $entry) }
                     @$object ];
        } elsif (ref($object) eq "") {
            return $object;
        } else {
            die "cannot handle reference type ",ref($object)
                ," found in target ",$target," -> ",$entry,"\n";
        }
    }

2105
    foreach (sort keys %all_keys) {
2106
        my $previous = $combined_inheritance{$_};
2107 2108 2109 2110 2111 2112 2113 2114

	# 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;
	}

2115 2116 2117 2118 2119 2120
	$table{$target}->{$_} = process_values($table{$target}->{$_},
					       $combined_inheritance{$_},
					       $target, $_);
        unless(defined($table{$target}->{$_})) {
            delete $table{$target}->{$_};
        }
2121 2122 2123 2124
        if ($extra_checks &&
            $previous && !($add_called ||  $previous ~~ $table{$target}->{$_})) {
            warn "$_ got replaced in $target\n";
        }
2125 2126 2127 2128 2129 2130
    }

    # Finally done, return the result.
    return %{$table{$target}};
}

2131
sub usage
2132
	{
2133
	print STDERR $usage;
2134
	print STDERR "\npick os/compiler from:\n";
2135
	my $j=0;
2136
	my $i;
2137
        my $k=0;
2138
	foreach $i (sort keys %table)
2139
		{
2140
		next if $table{$i}->{template};
2141
		next if $i =~ /^debug/;
2142 2143 2144 2145 2146 2147 2148
		$k += length($i) + 1;
		if ($k > 78)
			{
			print STDERR "\n";
			$k=length($i);
			}
		print STDERR $i . " ";
2149 2150 2151
		}
	foreach $i (sort keys %table)
		{
2152
		next if $table{$i}->{template};
2153
		next if $i !~ /^debug/;
2154 2155 2156 2157 2158 2159 2160
		$k += length($i) + 1;
		if ($k > 78)
			{
			print STDERR "\n";
			$k=length($i);
			}
		print STDERR $i . " ";
2161
		}
2162
	print STDERR "\n\nNOTE: If in doubt, on Unix-ish systems use './config'.\n";
2163
	exit(1);
2164 2165
	}

2166 2167 2168
sub run_dofile()
{
    my $out = shift;
2169
    my @templates = @_;
2170

R
Rich Salz 已提交
2171 2172
    unlink $out || warn "Can't remove $out, $!"
        if -f $out;
2173 2174 2175 2176 2177 2178
    foreach (@templates) {
        die "Can't open $_, $!" unless -f $_;
    }
    my $cmd = "$config{perl} \"-I.\" \"-Mconfigdata\" $dofile -o\"Configure\" \"".join("\" \"",@templates)."\" > \"$out.new\"";
    #print STDERR "DEBUG[run_dofile]: \$cmd = $cmd\n";
    system($cmd);
2179 2180 2181 2182
    exit 1 if $? != 0;
    rename("$out.new", $out) || die "Can't rename $out.new, $!";
}

2183 2184 2185 2186 2187 2188 2189 2190 2191 2192 2193 2194
# 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 = (
R
Richard Levitte 已提交
2195
	"sys_id",
2196 2197
	"cc",
	"cflags",
2198
	"defines",
R
Richard Levitte 已提交
2199 2200
	"unistd",
	"ld",
2201
	"lflags",
2202
	"plib_lflags",
2203
	"ex_libs",
2204 2205 2206 2207 2208 2209 2210 2211 2212 2213 2214 2215 2216 2217 2218 2219
	"bn_ops",
	"cpuid_obj",
	"bn_obj",
	"ec_obj",
	"des_obj",
	"aes_obj",
	"bf_obj",
	"md5_obj",
	"sha1_obj",
	"cast_obj",
	"rc4_obj",
	"rmd160_obj",
	"rc5_obj",
	"wp_obj",
	"cmll_obj",
	"modes_obj",
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	"padlock_obj",
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	"thread_scheme",
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	"perlasm_scheme",
	"dso_scheme",
	"shared_target",
	"shared_cflag",
	"shared_ldflag",
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	"shared_rcflag",
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	"shared_extension",
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	"shared_extension_simple",
	"shared_import_extension",
	"dso_extension",
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	"obj_extension",
	"exe_extension",
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	"ranlib",
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	"ar",
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	"arflags",
	"multilib",
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	"build_scheme",
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	);

    if ($type eq "TABLE") {
	print "\n";
	print "*** $target\n";
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        foreach (@sequence) {
            if (ref($target{$_}) eq "ARRAY") {
                printf "\$%-12s = %s\n", $_, join(" ", @{$target{$_}});
            } else {
                printf "\$%-12s = %s\n", $_, $target{$_};
            }
        }
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    } elsif ($type eq "HASH") {
	my $largest =
	    length((sort { length($a) <=> length($b) } @sequence)[-1]);
	print "    '$target' => {\n";
	foreach (@sequence) {
	    if ($target{$_}) {
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                if (ref($target{$_}) eq "ARRAY") {
                    print "      '",$_,"'"," " x ($largest - length($_))," => [ ",join(", ", map { "'$_'" } @{$target{$_}})," ],\n";
                } else {
                    print "      '",$_,"'"," " x ($largest - length($_))," => '",$target{$_},"',\n";
                }
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	    }
	}
	print "    },\n";
    }
}

# Utility routines ###################################################

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# 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 directpry 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;
}

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# 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);
}

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sub which
	{
	my($name)=@_;
	my $path;
	foreach $path (split /:/, $ENV{PATH})
		{
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		if (-f "$path/$name$target{exe_extension}" and -x _)
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			{
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			return "$path/$name$target{exe_extension}" unless ($name eq "perl" and
			 system("$path/$name$target{exe_extension} -e " . '\'exit($]<5.0);\''));
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			}
		}
	}

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sub quotify {
    my %processors = (
	perl    => sub { my $x = shift;
			 $x =~ s/([\\\$\@"])/\\$1/g;
			 return '"'.$x.'"'; },
	);
    my $for = shift;
    my $processor =
	defined($processors{$for}) ? $processors{$for} : sub { shift; };

    map { $processor->($_); } @_;
}
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# 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>) {
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            s|\R$||;
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            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)) {
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            s|\R$||;
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            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.
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# 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 {
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    my $lineiterator = shift;
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    my %collectors = @_;

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    while(defined($_ = $lineiterator->())) {
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        s|\R$||;
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        my $found = 0;
        foreach my $re (keys %collectors) {
            if ($re ne "OTHERWISE" && /$re/) {
                $collectors{$re}->($lineiterator);
                $found = 1;
            };
        }
        if ($collectors{"OTHERWISE"}) {
            $collectors{"OTHERWISE"}->($lineiterator, $_)
                unless $found || !defined $collectors{"OTHERWISE"};
        }
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    }
}