#! /usr/bin/env perl
# Copyright 1998-2023 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 File::Spec;
use IPC::Cmd;
use POSIX;
use Config;
use Carp;
# These control our behavior.
my $DRYRUN;
my $VERBOSE;
my $WHERE = dirname($0);
my $WAIT = 1;
# Machine type, etc., used to determine the platform
my $MACHINE;
my $RELEASE;
my $SYSTEM;
my $VERSION;
my $CCVENDOR;
my $CCVER;
my $CL_ARCH;
my $GCC_BITS;
my $GCC_ARCH;
# Some environment variables; they will affect Configure
my $CONFIG_OPTIONS = $ENV{CONFIG_OPTIONS} // '';
my $CC;
my $CROSS_COMPILE;
# For determine_compiler_settings, the list of known compilers
my @c_compilers = qw(clang gcc cc);
# Methods to determine compiler version. The expected output is one of
# MAJOR or MAJOR.MINOR or MAJOR.MINOR.PATCH... or false if the compiler
# isn't of the given brand.
# This is a list to ensure that gnu comes last, as we've made it a fallback
my @cc_version =
(
clang => sub {
return undef unless IPC::Cmd::can_run("$CROSS_COMPILE$CC");
my $v = `$CROSS_COMPILE$CC -v 2>&1`;
$v =~ m/(?:(?:clang|LLVM) version|.*based on LLVM)\s+([0-9]+\.[0-9]+)/;
return $1;
},
gnu => sub {
return undef unless IPC::Cmd::can_run("$CROSS_COMPILE$CC");
my $nul = File::Spec->devnull();
my $v = `$CROSS_COMPILE$CC -dumpversion 2> $nul`;
# 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:.*', '${MACHINE}-apple-darwin' ],
[ 'SunOS:5\..*', '${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' ],
# The MACHINE part of the array POSIX::uname() returns on VMS isn't
# worth the bits wasted on it. It's better, then, to rely on perl's
# %Config, which has a trustworthy item 'archname', especially since
# VMS installation aren't multiarch (yet)
[ 'OpenVMS:.*', "$Config{archname}-whatever-OpenVMS" ],
# Note: there's also NEO and NSR, but they are old and unsupported
[ 'NONSTOP_KERNEL:.*:NSE-.*?', 'nse-tandem-nsk${RELEASE}' ],
[ 'NONSTOP_KERNEL:.*:NSV-.*?', 'nsv-tandem-nsk${RELEASE}' ],
[ 'NONSTOP_KERNEL:.*:NSX-.*?', 'nsx-tandem-nsk${RELEASE}' ],
[ 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 {
return undef unless IPC::Cmd::can_run('uname');
open UNAME, "uname -X 2>/dev/null|" or return '';
my $line = "";
my $os = "";
while ( <UNAME> ) {
chop;
$line = $_ if m@^Release@;
$os = $_ if m@^System@;
}
close UNAME;
return undef if $line eq '' or $os eq 'System = SunOS';
my @fields = split(/\s+/, $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 ( defined $REL ) {
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 (false), or if it was set by the user (true.
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;
}
}
if ( $CC ) {
# 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;
}
}
}
# Vendor specific overrides, only if we didn't determine the compiler here
if ( ! $cc ) {
if ( $SYSTEM eq 'OpenVMS' ) {
my $v = `CC/VERSION NLA0:`;
if ($? == 0) {
# The normal releases have a version number prefixed with a V.
# However, other letters have been seen as well (for example X),
# and it's documented that HP (now VSI) reserve the letter W, X,
# Y and Z for their own uses.
my ($vendor, $version) =
( $v =~ m/^([A-Z]+) C [VWXYZ]([0-9\.-]+)(:? +\(.*?\))? on / );
my ($major, $minor, $patch) =
( $version =~ m/^([0-9]+)\.([0-9]+)-0*?(0|[1-9][0-9]*)$/ );
$CC = 'CC';
$CCVENDOR = $vendor;
$CCVER = ( $major * 100 + $minor ) * 100 + $patch;
}
}
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 Oracle Developer Studio, expected output is "cc: blah-blah C x.x blah-blah"
my $v = `(cc -V 2>&1) 2>/dev/null | egrep -e '^cc: .* C [0-9]\.[0-9]'`;
my @numbers =
( $v =~ m/^.* C ([0-9]+)\.([0-9]+) .*/ );
my @factors = (100, 1);
$v = 0;
while (@numbers && @factors) {
$v += shift(@numbers) * shift(@factors)
}
if ($v > 500) {
$CC = 'cc';
$CCVENDOR = 'sun';
$CCVER = $v;
}
}
# 'Windows NT' is the system name according to POSIX::uname()!
if ( $SYSTEM eq "Windows NT" ) {
# favor vendor cl over gcc
if (IPC::Cmd::can_run('cl')) {
$CC = 'cl';
$CCVENDOR = ''; # Determine later
$CCVER = 0;
my $v = `cl 2>&1`;
if ( $v =~ /Microsoft .* Version ([0-9\.]+) for (x86|x64|ARM|ia64)/ ) {
$CCVER = $1;
$CL_ARCH = $2;
}
}
}
}
# 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;
# 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} // '';
# macOS >= 10.15 is 64-bit only
my $SW_VERS = `sw_vers -productVersion 2>/dev/null`;
if ($SW_VERS =~ /^(\d+)\.(\d+)\.(\d+)$/) {
if ($1 > 10 || ($1 == 10 && $2 >= 15)) {
die "32-bit applications not supported on macOS 10.15 or later\n" if $KERNEL_BITS eq '32';
return { target => "darwin64-x86_64" };
}
}
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" };
}
],
[ 'arm64-apple-darwin.*', { target => "darwin64-arm64" } ],
[ '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",
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" } ],
[ 'riscv64-.*-linux.', { target => "linux64-riscv64" } ],
[ '.*-.*-linux.', { target => "linux-generic32" } ],
[ 'sun4[uv].*-.*-solaris2',
sub {
my $KERNEL_BITS = $ENV{KERNEL_BITS};
my $ISA64 = `isainfo 2>/dev/null | grep sparcv9`;
my $KB = $KERNEL_BITS // '64';
if ( $ISA64 ne "" && $KB eq '64' ) {
if ( $CCVENDOR eq "sun" && $CCVER >= 500 ) {
print <<EOF;
WARNING! To build 32-bit package, do this:
$WHERE/Configure solaris-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-gcc" };
} 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-cc" }
if $ISA64 ne "" && $KB eq '64';
return { target => "solaris-sparcv9-cc" };
}
],
[ '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 = $KERNEL_BITS // '64';
if ($ISA64 ne "" && $KB eq '64') {
return { target => "solaris64-x86_64-gcc" } if $CCVENDOR eq "gnu";
return { target => "solaris64-x86_64-cc" };
}
my $REL = uname('-r');
$REL =~ s/5\.//;
my @tmp_disable = ();
push @tmp_disable, 'sse2' if int($REL) < 10;
#There is no solaris-x86-cc target
return { target => "solaris-x86-gcc",
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' ] } ],
[ 'riscv64-.*-.*bsd.*', { target => "BSD-riscv64" } ],
[ 'sparc64-.*-.*bsd.*', { target => "BSD-sparc64" } ],
[ 'ia64-.*-.*bsd.*', { target => "BSD-ia64" } ],
[ 'x86_64-.*-dragonfly.*', { target => "BSD-x86_64" } ],
[ 'amd64-.*-.*bsd.*', { target => "BSD-x86_64" } ],
[ 'arm64-.*-.*bsd.*', { target => "BSD-aarch64" } ],
[ '.*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 };
}
],
# Windows values found by looking at Perl 5's win32/win32.c
[ '(amd64|ia64|x86|ARM)-.*?-Windows NT',
sub {
# If we determined the arch by asking cl, take that value,
# otherwise the SYSTEM we got from from POSIX::uname().
my $arch = $CL_ARCH // $1;
my $config;
if ($arch) {
$config = { 'amd64' => { target => 'VC-WIN64A' },
'ia64' => { target => 'VC-WIN64I' },
'x86' => { target => 'VC-WIN32' },
'x64' => { target => 'VC-WIN64A' },
'ARM' => { target => 'VC-WIN64-ARM' },
} -> {$arch};
die <<_____ unless defined $config;
ERROR
I do not know how to handle ${arch}.
_____
}
die <<_____ unless defined $config;
ERROR
Could not figure out the architecture.
_____
return $config;
}
],
# VMS values found by observation on existing machinery.
[ 'VMS_AXP-.*?-OpenVMS', { target => 'vms-alpha' } ],
[ 'VMS_IA64-.*?-OpenVMS', { target => 'vms-ia64' } ],
[ 'VMS_x86_64-.*?-OpenVMS', { target => 'vms-x86_64' } ],
# TODO: There are a few more choices among OpenSSL config targets, but
# reaching them involves a bit more than just a host tripet. Select
# environment variables could do the job to cover for more granular
# build options such as data model (ILP32 or LP64), thread support
# model (PUT, SPT or nothing), target execution environment (OSS or
# GUARDIAN). And still, there must be some kind of default when
# nothing else is said.
#
# nsv is a virtual x86 environment, equivalent to nsx, so we enforce
# the latter.
[ 'nse-tandem-nsk.*', { target => 'nonstop-nse' } ],
[ 'nsv-tandem-nsk.*', { target => 'nonstop-nsx' } ],
[ 'nsx-tandem-nsk.*', { target => 'nonstop-nsx' } ],
];
# 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;