openssl/util/perl/OpenSSL/config.pm
Richard Levitte bfa684622a util/perl/OpenSSL/config.pm: refactor guess_system()
There's no reason to have two different tables, when we can simply
detect if the tuple elements are code or scalar.  Furthermore, order
is important in some cases, and that order is harder not to say
impossible when maintaining two tables.

Reviewed-by: Tim Hudson <tjh@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/11230)
2020-06-28 18:34:36 +02:00

930 lines
34 KiB
Perl
Executable File

#! /usr/bin/env perl
# Copyright 1998-2020 The OpenSSL Project Authors. All Rights Reserved.
#
# Licensed under the Apache License 2.0 (the "License"). You may not use
# this file except in compliance with the License. You can obtain a copy
# in the file LICENSE in the source distribution or at
# https://www.openssl.org/source/license.html
# Determine the operating system and run ./Configure. Far descendant from
# Apache's minarch and GuessOS.
package OpenSSL::config;
use strict;
use warnings;
use Getopt::Std;
use File::Basename;
use IPC::Cmd;
use POSIX;
use Carp;
# These control our behavior.
my $DRYRUN;
my $VERBOSE;
my $WAIT = 1;
my $WHERE = dirname($0);
# Machine type, etc., used to determine the platform
my $MACHINE;
my $RELEASE;
my $SYSTEM;
my $VERSION;
my $CCVENDOR;
my $CCVER;
my $GCC_BITS;
my $GCC_ARCH;
# Some environment variables; they will affect Configure
my $CONFIG_OPTIONS = $ENV{CONFIG_OPTIONS} // '';
my $CC;
my $CROSS_COMPILE;
# For determine_compiler_settings, the list of known compilers
my @c_compilers = qw(clang gcc cc);
# Methods to determine compiler version. The expected output is one of
# MAJOR or MAJOR.MINOR or MAJOR.MINOR.PATCH... or false if the compiler
# isn't of the given brand.
# This is a list to ensure that gnu comes last, as we've made it a fallback
my @cc_version =
(
clang => sub {
my $v = `$CROSS_COMPILE$CC -v 2>&1`;
$v =~ m/(?:(?:^clang|LLVM) version|.*based on LLVM)\s+([0-9]+\.[0-9]+)/;
return $1;
},
gnu => sub {
my $v = `$CROSS_COMPILE$CC -dumpversion 2>/dev/null`;
# Strip off whatever prefix egcs prepends the number with.
# Hopefully, this will work for any future prefixes as well.
$v =~ s/^[a-zA-Z]*\-//;
return $v;
},
);
# This is what we will set as the target for calling Configure.
my $options = '';
# Pattern matches against "${SYSTEM}:${RELEASE}:${VERSION}:${MACHINE}"
# The patterns are assumed to be wrapped like this: /^(${pattern})$/
my $guess_patterns = [
[ 'A\/UX:.*', 'm68k-apple-aux3' ],
[ 'AIX:[3-9]:4:.*', '${MACHINE}-ibm-aix' ],
[ 'AIX:.*?:[5-9]:.*', '${MACHINE}-ibm-aix' ],
[ 'AIX:.*', '${MACHINE}-ibm-aix3' ],
[ 'HI-UX:.*', '${MACHINE}-hi-hiux' ],
[ 'HP-UX:.*',
sub {
my $HPUXVER = $RELEASE;
$HPUXVER = s/[^.]*.[0B]*//;
# HPUX 10 and 11 targets are unified
return "${MACHINE}-hp-hpux1x" if $HPUXVER =~ m@1[0-9]@;
return "${MACHINE}-hp-hpux";
}
],
[ 'IRIX:6\..*', 'mips3-sgi-irix' ],
[ 'IRIX64:.*', 'mips4-sgi-irix64' ],
[ 'Linux:[2-9]\..*', '${MACHINE}-whatever-linux2' ],
[ 'Linux:1\..*', '${MACHINE}-whatever-linux1' ],
[ 'GNU.*', 'hurd-x86' ],
[ 'LynxOS:.*', '${MACHINE}-lynx-lynxos' ],
# BSD/OS always says 386
[ 'BSD\/OS:4\..*', 'i486-whatever-bsdi4' ],
# Order is important, this has to appear before 'BSD\/386:'
[ 'BSD/386:.*?:.*?:.*486.*|BSD/OS:.*?:.*?:.*?:.*486.*',
sub {
my $BSDVAR = `/sbin/sysctl -n hw.model`;
return "i586-whatever-bsdi" if $BSDVAR =~ m@Pentium@;
return "i386-whatever-bsdi";
}
],
[ 'BSD\/386:.*|BSD\/OS:.*', '${MACHINE}-whatever-bsdi' ],
# Order is important, this has to appear before 'FreeBSD:'
[ 'FreeBSD:.*?:.*?:.*386.*',
sub {
my $VERS = $RELEASE;
$VERS =~ s/[-(].*//;
my $MACH = `sysctl -n hw.model`;
$MACH = "i386" if $MACH =~ m@386@;
$MACH = "i486" if $MACH =~ m@486@;
$MACH = "i686" if $MACH =~ m@Pentium II@;
$MACH = "i586" if $MACH =~ m@Pentium@;
$MACH = "$MACHINE" if $MACH !~ /i.86/;
my $ARCH = 'whatever';
$ARCH = "pc" if $MACH =~ m@i[0-9]86@;
return "${MACH}-${ARCH}-freebsd${VERS}";
}
],
[ 'DragonFly:.*', '${MACHINE}-whatever-dragonfly' ],
[ 'FreeBSD:.*', '${MACHINE}-whatever-freebsd' ],
[ 'Haiku:.*', '${MACHINE}-whatever-haiku' ],
# Order is important, this has to appear before 'NetBSD:.*'
[ 'NetBSD:.*?:.*?:.*386.*',
sub {
my $hw = `/usr/sbin/sysctl -n hw.model || /sbin/sysctl -n hw.model`;
$hw =~ s@.*(.)86-class.*@i${1}86@;
return "${hw}-whatever-netbsd";
}
],
[ 'NetBSD:.*', '${MACHINE}-whatever-netbsd' ],
[ 'OpenBSD:.*', '${MACHINE}-whatever-openbsd' ],
[ 'OpenUNIX:.*', '${MACHINE}-unknown-OpenUNIX${VERSION}' ],
[ 'OSF1:.*?:.*?:.*alpha.*',
sub {
my $OSFMAJOR = $RELEASE;
$OSFMAJOR =~ 's/^V([0-9]*)\..*$/\1/';
return "${MACHINE}-dec-tru64" if $OSFMAJOR =~ m@[45]@;
return "${MACHINE}-dec-osf";
}
],
[ 'Paragon.*?:.*', 'i860-intel-osf1' ],
[ 'Rhapsody:.*', 'ppc-apple-rhapsody' ],
[ 'Darwin:.*?:.*?:Power.*', 'ppc-apple-darwin' ],
[ 'Darwin:.*?:.*?:x86_64', 'x86_64-apple-darwin' ],
[ 'Darwin:.*', 'i686-apple-darwin' ],
[ 'SunOS:5\..*', '${MACHINE}-whatever-solaris2' ],
[ 'SunOS:.*', '${MACHINE}-sun-sunos4' ],
[ 'UNIX_System_V:4\..*?:.*', '${MACHINE}-whatever-sysv4' ],
[ 'VOS:.*?:.*?:i786', 'i386-stratus-vos' ],
[ 'VOS:.*?:.*?:.*', 'hppa1.1-stratus-vos' ],
[ '.*?:4.*?:R4.*?:m88k', '${MACHINE}-whatever-sysv4' ],
[ 'DYNIX\/ptx:4.*?:.*', '${MACHINE}-whatever-sysv4' ],
[ '.*?:4\.0:3\.0:3[34]..(,.*)?', 'i486-ncr-sysv4' ],
[ 'ULTRIX:.*', '${MACHINE}-unknown-ultrix' ],
[ 'POSIX-BC.*', 'BS2000-siemens-sysv4' ],
[ 'machten:.*', '${MACHINE}-tenon-${SYSTEM}' ],
[ 'library:.*', '${MACHINE}-ncr-sysv4' ],
[ 'ConvexOS:.*?:11\.0:.*', '${MACHINE}-v11-${SYSTEM}' ],
[ 'MINGW64.*?:.*?:.*?:x86_64', '${MACHINE}-whatever-mingw64' ],
[ 'MINGW.*', '${MACHINE}-whatever-mingw' ],
[ 'CYGWIN.*', '${MACHINE}-pc-cygwin' ],
[ 'vxworks.*', '${MACHINE}-whatever-vxworks' ],
# Windows values found by looking at Perl 5's win32/win32.c
[ 'Windows NT:.*:amd64', 'VC-WIN64A' ],
[ 'Windows NT:.*:ia64', 'VC-WIN64I' ],
[ 'Windows NT:.*:x86', 'VC-WIN32' ],
# VMS values found by observation on existing machinery. Unfortunately,
# the machine part is a bit... overdone. It seems, though, that 'Alpha'
# exists in that part, making it distinguishable from Itanium. It will
# be interesting to see what we'll get in the upcoming x86_64 port...
[ 'OpenVMS:.*?:.*?:.*?:.*Alpha.*', 'vms-alpha' ],
[ 'OpenVMS:.*', 'vms-ia64' ],
[ sub { -d '/usr/apollo' }, 'whatever-apollo-whatever' ],
];
# Run a command, return true if exit zero else false.
# Multiple args are glued together into a pipeline.
# Name comes from OpenSSL tests, often written as "ok(run(...."
sub okrun {
my $command = join(' | ', @_);
my $status = system($command) >> 8;
return $status == 0;
}
# Give user a chance to abort/interrupt if interactive if interactive.
sub maybe_abort {
if ( $WAIT && -t 1 ) {
eval {
local $SIG{ALRM} = sub { die "Timeout"; };
local $| = 1;
alarm(5);
print "You have about five seconds to abort: ";
my $ignored = <STDIN>;
alarm(0);
};
print "\n" if $@ =~ /Timeout/;
}
}
# Look for ISC/SCO with its unique uname program
sub is_sco_uname {
open UNAME, "uname -X 2>/dev/null|" or return '';
my $line = "";
while ( <UNAME> ) {
chop;
$line = $_ if m@^Release@;
}
close UNAME;
return "" if $line eq '';
my @fields = split($line);
return $fields[2];
}
sub get_sco_type {
my $REL = shift;
if ( -f "/etc/kconfig" ) {
return "${MACHINE}-whatever-isc4" if $REL eq '4.0' || $REL eq '4.1';
} else {
return "whatever-whatever-sco3" if $REL eq '3.2v4.2';
return "whatever-whatever-sco5" if $REL =~ m@3\.2v5\.0.*@;
if ( $REL eq "4.2MP" ) {
return "whatever-whatever-unixware20" if $VERSION =~ m@2\.0.*@;
return "whatever-whatever-unixware21" if $VERSION =~ m@2\.1.*@;
return "whatever-whatever-unixware2" if $VERSION =~ m@2.*@;
}
return "whatever-whatever-unixware1" if $REL eq "4.2";
if ( $REL =~ m@5.*@ ) {
# We hardcode i586 in place of ${MACHINE} for the following
# reason: even though Pentium is minimum requirement for
# platforms in question, ${MACHINE} gets always assigned to
# i386. This means i386 gets passed to Configure, which will
# cause bad assembler code to be generated.
return "i586-sco-unixware7" if $VERSION =~ m@[678].*@;
}
}
}
# Return the cputype-vendor-osversion
sub guess_system {
($SYSTEM, undef, $RELEASE, $VERSION, $MACHINE) = POSIX::uname();
my $sys = "${SYSTEM}:${RELEASE}:${VERSION}:${MACHINE}";
# Special-cases for ISC, SCO, Unixware
my $REL = is_sco_uname();
if ( $REL ne "" ) {
my $result = get_sco_type($REL);
return eval "\"$result\"" if $result ne '';
}
# Now pattern-match
# Simple cases
foreach my $tuple ( @$guess_patterns ) {
my $pat = @$tuple[0];
my $check = ref $pat eq 'CODE' ? $pat->($sys) : $sys =~ /^(${pat})$/;
next unless $check;
my $result = @$tuple[1];
$result = $result->() if ref $result eq 'CODE';
return eval "\"$result\"";
}
# Oh well.
return "${MACHINE}-whatever-${SYSTEM}";
}
# We would use List::Util::pair() for this... unfortunately, that function
# only appeared in perl v5.19.3, and we claim to support perl v5.10 and on.
# Therefore, we implement a quick cheap variant of our own.
sub _pairs (@) {
croak "Odd number of arguments" if @_ & 1;
my @pairlist = ();
while (@_) {
my $x = [ shift, shift ];
push @pairlist, $x;
}
return @pairlist;
}
# Figure out CC, GCCVAR, etc.
sub determine_compiler_settings {
# Make a copy and don't touch it. That helps determine if we're
# finding the compiler here
my $cc = $CC;
# Set certain default
$CCVER = 0; # Unknown
$CCVENDOR = ''; # Dunno, don't care (unless found later)
# Find a compiler if we don't already have one
if ( ! $cc ) {
foreach (@c_compilers) {
next unless IPC::Cmd::can_run("$CROSS_COMPILE$_");
$CC = $_;
last;
}
}
# Find the compiler vendor and version number for certain compilers
foreach my $pair (_pairs @cc_version) {
# Try to get the version number.
# Failure gets us undef or an empty string
my ( $k, $v ) = @$pair;
$v = $v->();
# If we got a version number, process it
if ($v) {
$CCVENDOR = $k;
# The returned version is expected to be one of
#
# MAJOR
# MAJOR.MINOR
# MAJOR.MINOR.{whatever}
#
# We don't care what comes after MAJOR.MINOR. All we need is to
# have them calculated into a single number, using this formula:
#
# MAJOR * 100 + MINOR
# Here are a few examples of what we should get:
#
# 2.95.1 => 295
# 3.1 => 301
# 9 => 900
my @numbers = split /\./, $v;
my @factors = (100, 1);
while (@numbers && @factors) {
$CCVER += shift(@numbers) * shift(@factors)
}
last;
}
}
# If no C compiler has been determined at this point, we die. Hard.
die <<_____
ERROR!
No C compiler found, please specify one with the environment variable CC,
or configure with an explicit configuration target.
_____
unless $CC;
# Vendor specific overrides, only if we determined the compiler here
if ( ! $cc ) {
if ( ${SYSTEM} eq 'AIX' ) {
# favor vendor cc over gcc
if (IPC::Cmd::can_run('cc')) {
$CC = 'cc';
$CCVENDOR = ''; # Determine later
$CCVER = 0;
}
}
if ( $SYSTEM eq "SunOS" ) {
# check for WorkShop C, expected output is "cc: blah-blah C x.x"
my $v = `(cc -V 2>&1) 2>/dev/null | egrep -e '^cc: .* C [0-9]\.[0-9]'`;
chomp $v;
$v =~ s/.* C \([0-9]\)\.\([0-9]\).*/$1.$2/;
my @numbers = split /\./, $v;
my @factors = (100, 1);
$v = 0;
while (@numbers && @factors) {
$v += shift(@numbers) * shift(@factors)
}
if ( $v > 40000 && $MACHINE ne 'i86pc' ) {
$CC = 'cc';
$CCVENDOR = ''; # Determine later
$CCVER = $v;
if ( $CCVER == 50000 ) {
print <<'EOF';
WARNING! Found WorkShop C 5.0.
Make sure you have patch #107357-01 or later applied.
EOF
maybe_abort();
}
}
}
}
# On some systems, we assume a cc vendor if it's not already determined
if ( ! $CCVENDOR ) {
$CCVENDOR = 'aix' if $SYSTEM eq 'AIX';
$CCVENDOR = 'sun' if $SYSTEM eq 'SunOS';
}
# Some systems need to know extra details
if ( $SYSTEM eq "HP-UX" && $CCVENDOR eq 'gnu' ) {
# By default gcc is a ILP32 compiler (with long long == 64).
$GCC_BITS = "32";
if ( $CCVER >= 300 ) {
# PA64 support only came in with gcc 3.0.x.
# We check if the preprocessor symbol __LP64__ is defined.
if ( okrun('echo __LP64__',
"$CC -v -E -x c - 2>/dev/null",
'grep "^__LP64__" 2>&1 >/dev/null') ) {
# __LP64__ has slipped through, it therefore is not defined
} else {
$GCC_BITS = '64';
}
}
}
if ( $SYSTEM eq "SunOS" && $CCVENDOR eq 'gnu' ) {
if ( $CCVER >= 300 ) {
# 64-bit ABI isn't officially supported in gcc 3.0, but seems
# to be working; at the very least 'make test' passes.
if ( okrun("$CC -v -E -x c /dev/null 2>&1",
'grep __arch64__ >/dev/null') ) {
$GCC_ARCH = "-m64"
} else {
$GCC_ARCH = "-m32"
}
}
}
if ($VERBOSE) {
my $vendor = $CCVENDOR ? $CCVENDOR : "(undetermined)";
my $version = $CCVER ? $CCVER : "(undetermined)";
print "C compiler: $CC\n";
print "C compiler vendor: $vendor\n";
print "C compiler version: $version\n";
}
}
my $map_patterns =
[ [ 'uClinux.*64.*', { target => 'uClinux-dist64' } ],
[ 'uClinux.*', { target => 'uClinux-dist' } ],
[ 'mips3-sgi-irix', { target => 'irix-mips3' } ],
[ 'mips4-sgi-irix64',
sub {
print <<EOF;
WARNING! To build 64-bit package, do this:
$WHERE/Configure irix64-mips4-$CC
EOF
maybe_abort();
return { target => "irix-mips3" };
}
],
[ 'ppc-apple-rhapsody', { target => "rhapsody-ppc" } ],
[ 'ppc-apple-darwin.*',
sub {
my $KERNEL_BITS = $ENV{KERNEL_BITS};
my $ISA64 = `sysctl -n hw.optional.64bitops 2>/dev/null`;
if ( $ISA64 == 1 && $KERNEL_BITS eq '' ) {
print <<EOF;
WARNING! To build 64-bit package, do this:
$WHERE/Configure darwin64-ppc-cc
EOF
maybe_abort();
}
return { target => "darwin64-ppc" }
if $ISA64 == 1 && $KERNEL_BITS eq '64';
return { target => "darwin-ppc" };
}
],
[ 'i.86-apple-darwin.*',
sub {
my $KERNEL_BITS = $ENV{KERNEL_BITS};
my $ISA64 = `sysctl -n hw.optional.x86_64 2>/dev/null`;
if ( $ISA64 == 1 && $KERNEL_BITS eq '' ) {
print <<EOF;
WARNING! To build 64-bit package, do this:
KERNEL_BITS=64 $WHERE/Configure \[\[ options \]\]
EOF
maybe_abort();
}
return { target => "darwin64-x86_64" }
if $ISA64 == 1 && $KERNEL_BITS eq '64';
return { target => "darwin-i386" };
}
],
[ 'x86_64-apple-darwin.*',
sub {
my $KERNEL_BITS = $ENV{KERNEL_BITS};
return { target => "darwin-i386" } if $KERNEL_BITS eq '32';
print <<EOF;
WARNING! To build 32-bit package, do this:
KERNEL_BITS=32 $WHERE/Configure \[\[ options \]\]
EOF
maybe_abort();
return { target => "darwin64-x86_64" };
}
],
[ 'armv6\+7-.*-iphoneos',
{ target => "iphoneos-cross",
cflags => [ qw(-arch armv6 -arch armv7) ],
cxxflags => [ qw(-arch armv6 -arch armv7) ] }
],
[ 'arm64-.*-iphoneos|.*-.*-ios64',
{ target => "ios64-cross" }
],
[ '.*-.*-iphoneos',
sub { return { target => "iphoneos-cross",
cflags => [ "-arch ${MACHINE}" ],
cxxflags => [ "-arch ${MACHINE}" ] }; }
],
[ 'alpha-.*-linux2.*',
sub {
my $ISA = `awk '/cpu model/{print \$4;exit(0);}' /proc/cpuinfo`;
$ISA //= 'generic';
my %config = ();
if ( $CCVENDOR eq "gnu" ) {
if ( $ISA =~ 'EV5|EV45' ) {
%config = ( cflags => [ '-mcpu=ev5' ],
cxxflags => [ '-mcpu=ev5' ] );
} elsif ( $ISA =~ 'EV56|PCA56' ) {
%config = ( cflags => [ '-mcpu=ev56' ],
cxxflags => [ '-mcpu=ev56' ] );
} else {
%config = ( cflags => [ '-mcpu=ev6' ],
cxxflags => [ '-mcpu=ev6' ] );
}
}
return { target => "linux-alpha",
%config };
}
],
[ 'ppc64-.*-linux2',
sub {
my $KERNEL_BITS = $ENV{KERNEL_BITS};
if ( $KERNEL_BITS eq '' ) {
print <<EOF;
WARNING! To build 64-bit package, do this:
$WHERE/Configure linux-ppc64
EOF
maybe_abort();
}
return { target => "linux-ppc64" } if $KERNEL_BITS eq '64';
my %config = ();
if (!okrun('echo __LP64__',
'gcc -E -x c - 2>/dev/null',
'grep "^__LP64__" 2>&1 >/dev/null') ) {
%config = ( cflags => [ '-m32' ],
cxxflags => [ '-m32' ] );
}
return { target => "linux-ppc",
%config };
}
],
[ 'ppc64le-.*-linux2', { target => "linux-ppc64le" } ],
[ 'ppc-.*-linux2', { target => "linux-ppc" } ],
[ 'mips64.*-*-linux2',
sub {
print <<EOF;
WARNING! To build 64-bit package, do this:
$WHERE/Configure linux64-mips64
EOF
maybe_abort();
return { target => "linux-mips64" };
}
],
[ 'mips.*-.*-linux2', { target => "linux-mips32" } ],
[ 'ppc60x-.*-vxworks.*', { target => "vxworks-ppc60x" } ],
[ 'ppcgen-.*-vxworks.*', { target => "vxworks-ppcgen" } ],
[ 'pentium-.*-vxworks.*', { target => "vxworks-pentium" } ],
[ 'simlinux-.*-vxworks.*', { target => "vxworks-simlinux" } ],
[ 'mips-.*-vxworks.*', { target => "vxworks-mips" } ],
[ 'e2k-.*-linux.*', { target => "linux-generic64",
defines => [ 'L_ENDIAN' ] } ],
[ 'ia64-.*-linux.', { target => "linux-ia64" } ],
[ 'sparc64-.*-linux2',
sub {
print <<EOF;
WARNING! If you *know* that your GNU C supports 64-bit/V9 ABI and you
want to build 64-bit library, do this:
$WHERE/Configure linux64-sparcv9
EOF
maybe_abort();
return { target => "linux-sparcv9" };
}
],
[ 'sparc-.*-linux2',
sub {
my $KARCH = `awk '/^type/{print \$3;exit(0);}' /proc/cpuinfo`;
$KARCH //= "sun4";
return { target => "linux-sparcv9" } if $KARCH =~ 'sun4u.*';
return { target => "linux-sparcv8" } if $KARCH =~ 'sun4[md]';
return { target => "linux-generic32",
defines => [ 'L_ENDIAN' ] };
}
],
[ 'parisc.*-.*-linux2',
sub {
# 64-bit builds under parisc64 linux are not supported and
# compiler is expected to generate 32-bit objects...
my $CPUARCH =
`awk '/cpu family/{print substr(\$5,1,3); exit(0);}' /proc/cpuinfo`;
my $CPUSCHEDULE =
`awk '/^cpu.[ ]*: PA/{print substr(\$3,3); exit(0);}' /proc/cpuinfo`;
# TODO XXX Model transformations
# 0. CPU Architecture for the 1.1 processor has letter suffixes.
# We strip that off assuming no further arch. identification
# will ever be used by GCC.
# 1. I'm most concerned about whether is a 7300LC is closer to a
# 7100 versus a 7100LC.
# 2. The variant 64-bit processors cause concern should GCC support
# explicit schedulers for these chips in the future.
# PA7300LC -> 7100LC (1.1)
# PA8200 -> 8000 (2.0)
# PA8500 -> 8000 (2.0)
# PA8600 -> 8000 (2.0)
$CPUSCHEDULE =~ s/7300LC/7100LC/;
$CPUSCHEDULE =~ s/8.00/8000/;
return
{ target => "linux-generic32",
defines => [ 'B_ENDIAN' ],
cflags => [ "-mschedule=$CPUSCHEDULE", "-march=$CPUARCH" ],
cxxflags => [ "-mschedule=$CPUSCHEDULE", "-march=$CPUARCH" ]
};
}
],
[ 'armv[1-3].*-.*-linux2', { target => "linux-generic32" } ],
[ 'armv[7-9].*-.*-linux2', { target => "linux-armv4",
defines => [ 'B_ENDIAN' ],
cflags => [ '-march=armv7-a' ],
cxxflags => [ '-march=armv7-a' ] } ],
[ 'arm.*-.*-linux2', { target => "linux-armv4" } ],
[ 'aarch64-.*-linux2', { target => "linux-aarch64" } ],
[ 'sh.*b-.*-linux2', { target => "linux-generic32",
defines => [ 'B_ENDIAN' ] } ],
[ 'sh.*-.*-linux2', { target => "linux-generic32",
defines => [ 'L_ENDIAN' ] } ],
[ 'm68k.*-.*-linux2', { target => "linux-generic32",
defines => [ 'B_ENDIAN' ] } ],
[ 's390-.*-linux2', { target => "linux-generic32",
defines => [ 'B_ENDIAN' ] } ],
[ 's390x-.*-linux2',
sub {
# Disabled until a glibc bug is fixed; see Configure.
if (0
|| okrun('egrep -e \'^features.* highgprs\' /proc/cpuinfo >/dev/null') )
{
print <<EOF;
WARNING! To build "highgprs" 32-bit package, do this:
$WHERE/Configure linux32-s390x
EOF
maybe_abort();
}
return { target => "linux64-s390x" };
}
],
[ 'x86_64-.*-linux.',
sub {
return { target => "linux-x32" }
if okrun("$CC -dM -E -x c /dev/null 2>&1",
'grep -q ILP32 >/dev/null');
return { target => "linux-x86_64" };
}
],
[ '.*86-.*-linux2',
sub {
# On machines where the compiler understands -m32, prefer a
# config target that uses it
return { target => "linux-x86" }
if okrun("$CC -m32 -E -x c /dev/null >/dev/null 2>&1");
return { target => "linux-elf" };
}
],
[ '.*86-.*-linux1', { target => "linux-aout" } ],
[ '.*-.*-linux.', { target => "linux-generic32" } ],
[ 'sun4[uv].*-.*-solaris2',
sub {
my $KERNEL_BITS = $ENV{KERNEL_BITS};
my $ISA64 = `isainfo 2>/dev/null | grep sparcv9`;
if ( $ISA64 ne "" && $KERNEL_BITS eq '' ) {
if ( $CCVENDOR eq "sun" && $CCVER >= 500 ) {
print <<EOF;
WARNING! To build 64-bit package, do this:
$WHERE/Configure solaris64-sparcv9-cc
EOF
maybe_abort();
} elsif ( $CCVENDOR eq "gnu" && $GCC_ARCH eq "-m64" ) {
# $GCC_ARCH denotes default ABI chosen by compiler driver
# (first one found on the $PATH). I assume that user
# expects certain consistency with the rest of his builds
# and therefore switch over to 64-bit. <appro>
print <<EOF;
WARNING! To build 32-bit package, do this:
$WHERE/Configure solaris-sparcv9-gcc
EOF
maybe_abort();
return { target => "solaris64-sparcv9" };
} elsif ( $GCC_ARCH eq "-m32" ) {
print <<EOF;
NOTICE! If you *know* that your GNU C supports 64-bit/V9 ABI and you wish
to build 64-bit library, do this:
$WHERE/Configure solaris64-sparcv9-gcc
EOF
maybe_abort();
}
}
return { target => "solaris64-sparcv9" }
if $ISA64 ne "" && $KERNEL_BITS eq '64';
return { target => "solaris-sparcv9" };
}
],
[ 'sun4m-.*-solaris2', { target => "solaris-sparcv8" } ],
[ 'sun4d-.*-solaris2', { target => "solaris-sparcv8" } ],
[ 'sun4.*-.*-solaris2', { target => "solaris-sparcv7" } ],
[ '.*86.*-.*-solaris2',
sub {
my $KERNEL_BITS = $ENV{KERNEL_BITS};
my $ISA64 = `isainfo 2>/dev/null | grep amd64`;
my $KB = $KERNEL_BITS // '64';
return { target => "solaris64-x86_64" }
if $ISA64 ne "" && $KB eq '64';
my $REL = uname('-r');
$REL =~ s/5\.//;
my @tmp_disable = ();
push @tmp_disable, 'sse2' if int($REL) < 10;
return { target => "solaris-x86",
disable => [ @tmp_disable ] };
}
],
# We don't have any sunos target in Configurations/*.conf, so why here?
[ '.*-.*-sunos4', { target => "sunos" } ],
[ '.*86.*-.*-bsdi4', { target => "BSD-x86-elf",
lflags => [ '-ldl' ],
disable => [ 'sse2' ] } ],
[ 'alpha.*-.*-.*bsd.*', { target => "BSD-generic64",
defines => [ 'L_ENDIAN' ] } ],
[ 'powerpc64-.*-.*bsd.*', { target => "BSD-generic64",
defines => [ 'B_ENDIAN' ] } ],
[ 'sparc64-.*-.*bsd.*', { target => "BSD-sparc64" } ],
[ 'ia64-.*-.*bsd.*', { target => "BSD-ia64" } ],
[ 'x86_64-.*-dragonfly.*', { target => "BSD-x86_64" } ],
[ 'amd64-.*-.*bsd.*', { target => "BSD-x86_64" } ],
[ '.*86.*-.*-.*bsd.*',
sub {
# mimic ld behaviour when it's looking for libc...
my $libc;
if ( -l "/usr/lib/libc.so" ) {
$libc = "/usr/lib/libc.so";
} else {
# ld searches for highest libc.so.* and so do we
$libc =
`(ls /usr/lib/libc.so.* /lib/libc.so.* | tail -1) 2>/dev/null`;
}
my $what = `file -L $libc 2>/dev/null`;
return { target => "BSD-x86-elf" } if $what =~ /ELF/;
return { target => "BSD-x86",
disable => [ 'sse2' ] };
}
],
[ '.*-.*-.*bsd.*', { target => "BSD-generic32" } ],
[ 'x86_64-.*-haiku', { target => "haiku-x86_64" } ],
[ '.*-.*-haiku', { target => "haiku-x86" } ],
[ '.*-.*-osf', { target => "osf1-alpha" } ],
[ '.*-.*-tru64', { target => "tru64-alpha" } ],
[ '.*-.*-[Uu]nix[Ww]are7',
sub {
return { target => "unixware-7",
disable => [ 'sse2' ] } if $CCVENDOR eq "gnu";
return { target => "unixware-7",
defines => [ '__i386__' ] };
}
],
[ '.*-.*-[Uu]nix[Ww]are20.*', { target => "unixware-2.0",
disable => [ 'sse2', 'sha512' ] } ],
[ '.*-.*-[Uu]nix[Ww]are21.*', { target => "unixware-2.1",
disable => [ 'sse2', 'sha512' ] } ],
[ '.*-.*-vos', { target => "vos",
disable => [ 'threads', 'shared', 'asm',
'dso' ] } ],
[ 'BS2000-siemens-sysv4', { target => "BS2000-OSD" } ],
[ 'i[3456]86-.*-cygwin', { target => "Cygwin-x86" } ],
[ '.*-.*-cygwin',
sub { return { target => "Cygwin-${MACHINE}" } } ],
[ 'x86-.*-android|i.86-.*-android', { target => "android-x86" } ],
[ 'armv[7-9].*-.*-android', { target => "android-armeabi",
cflags => [ '-march=armv7-a' ],
cxxflags => [ '-march=armv7-a' ] } ],
[ 'arm.*-.*-android', { target => "android-armeabi" } ],
[ '.*-hpux1.*',
sub {
my $KERNEL_BITS = $ENV{KERNEL_BITS};
my %common_return = ( defines => [ '_REENTRANT' ] );
$KERNEL_BITS ||= `getconf KERNEL_BITS 2>/dev/null` // '32';
# See <sys/unistd.h> for further info on CPU_VERSION.
my $CPU_VERSION = `getconf CPU_VERSION 2>/dev/null` // 0;
if ( $CPU_VERSION >= 768 ) {
# IA-64 CPU
return { target => "hpux64-ia64",
%common_return }
if $KERNEL_BITS eq '64' && ! $CCVENDOR;
return { target => "hpux-ia64",
%common_return };
}
if ( $CPU_VERSION >= 532 ) {
# PA-RISC 2.x CPU
# PA-RISC 2.0 is no longer supported as separate 32-bit
# target. This is compensated for by run-time detection
# in most critical assembly modules and taking advantage
# of 2.0 architecture in PA-RISC 1.1 build.
my $target = ($CCVENDOR eq "gnu" && $GCC_BITS eq '64')
? "hpux64-parisc2"
: "hpux-parisc1_1";
if ( $KERNEL_BITS eq '64' && ! $CCVENDOR ) {
print <<EOF;
WARNING! To build 64-bit package, do this:
$WHERE/Configure hpux64-parisc2-cc
EOF
maybe_abort();
}
return { target => $target,
%common_return };
}
# PA-RISC 1.1+ CPU?
return { target => "hpux-parisc1_1",
%common_return } if $CPU_VERSION >= 528;
# PA-RISC 1.0 CPU
return { target => "hpux-parisc",
%common_return } if $CPU_VERSION >= 523;
# Motorola(?) CPU
return { target => "hpux",
%common_return };
}
],
[ '.*-hpux', { target => "hpux-parisc" } ],
[ '.*-aix',
sub {
my %config = ();
my $KERNEL_BITS = $ENV{KERNEL_BITS};
$KERNEL_BITS ||= `getconf KERNEL_BITMODE 2>/dev/null`;
$KERNEL_BITS ||= '32';
my $OBJECT_MODE = $ENV{OBJECT_MODE};
$OBJECT_MODE ||= 32;
$config{target} = "aix";
if ( $OBJECT_MODE == 64 ) {
print 'Your $OBJECT_MODE was found to be set to 64';
$config{target} = "aix64";
} else {
if ( $CCVENDOR ne 'gnu' && $KERNEL_BITS eq '64' ) {
print <<EOF;
WARNING! To build 64-bit package, do this:
$WHERE/Configure aix64-cc
EOF
maybe_abort();
}
}
if ( okrun(
"lsattr -E -O -l `lsdev -c processor|awk '{print \$1;exit}'`",
'grep -i powerpc) >/dev/null 2>&1') ) {
# this applies even to Power3 and later, as they return
# PowerPC_POWER[345]
} else {
$config{disable} = [ 'asm' ];
}
return %config;
}
],
];
# Map GUESSOS into OpenSSL terminology.
# Returns a hash table with diverse entries, most importantly 'target',
# but also other entries that are fitting for Configure's %config
# and MACHINE.
# It would be nice to fix this so that this weren't necessary. :( XXX
sub map_guess {
my $GUESSOS = shift;
foreach my $tuple ( @$map_patterns ) {
my $pat = @$tuple[0];
next if $GUESSOS !~ /^${pat}$/;
my $result = @$tuple[1];
$result = $result->() if ref $result eq 'CODE';
return %$result;
}
# Last case, return "z" from x-y-z
my @fields = split(/-/, $GUESSOS);
return ( target => $fields[2] );
}
# gcc < 2.8 does not support -march=ultrasparc
sub check_solaris_sparc8 {
my $OUT = shift;
if ( $CCVENDOR eq 'gnu' && $CCVER < 208 ) {
if ( $OUT eq 'solaris-sparcv9-gcc' ) {
print <<EOF;
WARNING! Downgrading to solaris-sparcv8-gcc
Upgrade to gcc-2.8 or later.
EOF
maybe_abort();
return 'solaris-sparcv8-gcc';
}
if ( $OUT eq "linux-sparcv9" ) {
print <<EOF;
WARNING! Downgrading to linux-sparcv8
Upgrade to gcc-2.8 or later.
EOF
maybe_abort();
return 'linux-sparcv8';
}
}
return $OUT;
}
###
### MAIN PROCESSING
###
sub get_platform {
my %options = @_;
$VERBOSE = 1 if defined $options{verbose};
$WAIT = 0 if defined $options{nowait};
$CC = $options{CC};
$CROSS_COMPILE = $options{CROSS_COMPILE} // '';
my $GUESSOS = guess_system();
determine_compiler_settings();
my %ret = map_guess($GUESSOS);
$ret{target} = check_solaris_sparc8($ret{target});
return %ret;
}
1;