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Configure.pl
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#!/usr/bin/env perl
use strict;
use warnings;
use Config;
use Getopt::Long;
use Pod::Usage;
use File::Spec;
use lib '.';
use build::setup;
use build::auto;
use build::probe;
# This allows us to run on ancient perls.
sub defined_or($$) {
defined $_[0] ? $_[0] : $_[1]
}
# This allows us to run on perls without List::Util
sub uniq {
my %s; grep { !$s{$_}++ } @_;
}
my $NAME = 'moar';
my $GENLIST = 'build/gen.list';
# configuration logic
my $failed = 0;
my %args;
my %defaults;
my %config;
# In case a submodule folder needs to be deleted. We set this and print it
# out at the very end.
my $folder_to_delete = '';
my @args = @ARGV;
GetOptions(\%args, qw(
help|?
debug:s optimize:s instrument! coverage
os=s shell=s toolchain=s compiler=s
ar=s cc=s ld=s make=s has-sha has-libuv
static has-libtommath has-libatomic_ops
has-dyncall has-libffi pkgconfig=s
build=s host=s big-endian jit! enable-jit
prefix=s bindir=s libdir=s mastdir=s make-install asan ubsan valgrind telemeh show-autovect show-autovect-failed:s),
'no-optimize|nooptimize' => sub { $args{optimize} = 0 },
'no-debug|nodebug' => sub { $args{debug} = 0 },
'no-telemeh|notelemeh' => sub { $args{telemeh} = 0 }
) or die "See --help for further information\n";
pod2usage(1) if $args{help};
print "Welcome to MoarVM!\n\n";
$config{prefix} = File::Spec->rel2abs(defined_or $args{prefix}, 'install');
# don't install to cwd, as this would clash with lib/MAST/*.nqp
if (-e 'README.markdown' && -e "$config{prefix}/README.markdown"
&& -s 'README.markdown' == -s "$config{prefix}/README.markdown") {
die <<ENOTTOCWD;
Configuration FAIL. Installing to MoarVM root folder is not allowed.
Please specify another installation target by using --prefix=PATH.
ENOTTOCWD
}
# Override default target directories with command line argumets
my @target_dirs = qw{bindir libdir mastdir};
for my $target (@target_dirs) {
$config{$target} = $args{$target} if $args{$target};
}
if (-d '.git') {
print dots("Updating submodules");
my $msg = qx{git submodule sync --quiet && git submodule --quiet update --init 2>&1};
if ($? >> 8 == 0) { print "OK\n" }
else {
if ($msg =~ /[']([^']+)[']\s+already exists and is not an empty/) {
$folder_to_delete = "\n\nERROR: Cannot update submodule because directory exists and is not empty.\n" .
">>> Please delete the following folder and try again:\n$1\n\n";
}
softfail("git error: $msg")
}
}
# fiddle with flags
$args{optimize} = 3 if not defined $args{optimize} or $args{optimize} eq "";
$args{debug} = 3 if defined $args{debug} and $args{debug} eq "";
for (qw(coverage instrument static big-endian has-libtommath has-sha has-libuv
has-libatomic_ops asan ubsan valgrind show-vec)) {
$args{$_} = 0 unless defined $args{$_};
}
# jit is default
$args{jit} = 1 unless defined $args{jit};
# fill in C<%defaults>
if (exists $args{build} || exists $args{host}) {
setup_cross($args{build}, $args{host});
}
else {
setup_native(defined_or $args{os}, $^O);
}
$config{name} = $NAME;
$config{perl} = $^X;
$config{config} = join ' ', map { / / ? "\"$_\"" : $_ } @args;
$config{osname} = $^O;
$config{osvers} = $Config{osvers};
$config{pkgconfig} = defined_or $args{pkgconfig}, '/usr/bin/pkg-config';
# set options that take priority over all others
my @keys = qw( ar cc ld make );
@config{@keys} = @args{@keys};
for (keys %defaults) {
next if /^-/;
$config{$_} = $defaults{$_} unless defined $config{$_};
}
my $VERSION = '0.0-0';
# get version
if (open(my $fh, '<', 'VERSION')) {
$VERSION = <$fh>;
close($fh);
}
# .git is a file and not a directory in submodule
if (-e '.git' && open(my $GIT, '-|', "git describe")) {
$VERSION = <$GIT>;
close($GIT);
}
chomp $VERSION;
$config{version} = $VERSION;
$config{versionmajor} = $VERSION =~ /^(\d+)/ ? $1 : 0;
$config{versionminor} = $VERSION =~ /^\d+\.(\d+)/ ? $1 : 0;
$config{versionpatch} = $VERSION =~ /^\d+\.\d+\-(\d+)/ ? $1 : 0;
# misc defaults
$config{exe} = '' unless defined $config{exe};
$config{defs} = [] unless defined $config{defs};
$config{syslibs} = [] unless defined $config{syslibs};
$config{usrlibs} = [] unless defined $config{usrlibs};
$config{platform} = '' unless defined $config{platform};
$config{crossconf} = '' unless defined $config{crossconf};
$config{dllimport} = '' unless defined $config{dllimport};
$config{dllexport} = '' unless defined $config{dllexport};
$config{dlllocal} = '' unless defined $config{dlllocal};
$config{translate_newline_output} = 0 unless defined $config{translate_newline_output};
$config{vectorizerspecifier} = '' unless defined $config{vectorizerspecifier};
# assume the compiler can be used as linker frontend
$config{ld} = $config{cc} unless defined $config{ld};
$config{ldout} = $config{ccout} unless defined $config{ldout};
$config{ldsys} = $config{ldusr} unless defined $config{ldsys};
$config{ldoptiflags} = $config{ccoptiflags} unless defined $config{ldoptiflags};
$config{lddebugflags} = $config{ccdebugflags} unless defined $config{lddebugflags};
$config{ldinstflags} = $config{ccinstflags} unless defined $config{ldinstflags};
$config{as} = $config{cc} unless defined $config{as};
# Probe the compiler.
build::probe::compiler_usability(\%config, \%defaults);
# Remove unsupported -Werror=* gcc flags if gcc doesn't support them.
build::probe::specific_werror(\%config, \%defaults);
if ($config{cc} eq 'gcc' && !$config{can_specific_werror}) {
$config{ccmiscflags} =~ s/-Werror=[^ ]+//g;
$config{ccmiscflags} =~ s/ +/ /g;
$config{ccmiscflags} =~ s/^ +$//;
}
# Set the remaining ldmiscflags. Do this after probing for gcc -Werror probe to not miss that change for the linker.
$config{ldmiscflags} = $config{ccmiscflags} unless defined $config{ldmiscflags};
if ($args{'has-sha'}) {
$config{shaincludedir} = '/usr/include/sha';
$defaults{-thirdparty}->{sha} = undef;
unshift @{$config{usrlibs}}, 'sha';
}
else { $config{shaincludedir} = '3rdparty/sha1' }
# After upgrading from libuv from 0.11.18 to 0.11.29 we see very weird erros
# when the old libuv files are still around. Running a `make realclean` in
# case we spot an old file and the Makefile is already there.
if (-e '3rdparty/libuv/src/unix/threadpool' . $defaults{obj}
&& -e 'Makefile') {
print("\nMaking realclean after libuv version upgrade.\n"
. "Outdated files were detected.\n");
system($defaults{make}, 'realclean')
}
# test whether pkg-config works
if (-e "$config{pkgconfig}") {
print dots(" Testing pkgconfig");
system("$config{pkgconfig}", "--version");
if ( $? == 0 ) {
$config{pkgconfig_works} = 1;
} else {
$config{pkgconfig_works} = 0;
}
}
# conditionally set include dirs and install rules
$config{cincludes} = '' unless defined $config{cincludes};
$config{install} = '' unless defined $config{install};
if ($args{'has-libuv'}) {
$defaults{-thirdparty}->{uv} = undef;
unshift @{$config{usrlibs}}, 'uv';
if ($config{pkgconfig_works}) {
my $result = `$config{pkgconfig} --cflags libuv`;
if ( $? == 0 ) {
$result =~ s/\n/ /g;
$config{cincludes} .= ' ' . "$result";
print("Adding extra include for libuv: $result\n");
} else {
print("Error occured when running $config{pkgconfig} --cflags libuv.\n");
}
}
}
else {
$config{cincludes} .= ' ' . $defaults{ccinc} . '3rdparty/libuv/include'
. ' ' . $defaults{ccinc} . '3rdparty/libuv/src';
$config{install} .= "\t\$(MKPATH) \$(DESTDIR)\$(PREFIX)/include/libuv\n"
. "\t\$(CP) 3rdparty/libuv/include/*.h \$(DESTDIR)\$(PREFIX)/include/libuv\n";
}
if ($args{'has-libatomic_ops'}) {
$defaults{-thirdparty}->{lao} = undef;
unshift @{$config{usrlibs}}, 'atomic_ops';
if ($config{pkgconfig_works}) {
my $result = `$config{pkgconfig} --cflags atomic_ops`;
if ( $? == 0 ) {
$result =~ s/\n/ /g;
$config{cincludes} .= ' ' . "$result";
print("Adding extra include for atomic_ops: $result\n");
} else {
print("Error occured when running $config{pkgconfig} --cflags atomic_ops.\n");
}
}
}
else {
$config{cincludes} .= ' ' . $defaults{ccinc} . '3rdparty/libatomicops/src';
my $lao = '$(DESTDIR)$(PREFIX)/include/libatomic_ops';
$config{install} .= "\t\$(MKPATH) $lao/atomic_ops/sysdeps/armcc\n"
. "\t\$(MKPATH) $lao/atomic_ops/sysdeps/gcc\n"
. "\t\$(MKPATH) $lao/atomic_ops/sysdeps/hpc\n"
. "\t\$(MKPATH) $lao/atomic_ops/sysdeps/ibmc\n"
. "\t\$(MKPATH) $lao/atomic_ops/sysdeps/icc\n"
. "\t\$(MKPATH) $lao/atomic_ops/sysdeps/loadstore\n"
. "\t\$(MKPATH) $lao/atomic_ops/sysdeps/msftc\n"
. "\t\$(MKPATH) $lao/atomic_ops/sysdeps/sunc\n"
. "\t\$(CP) 3rdparty/libatomicops/src/*.h $lao\n"
. "\t\$(CP) 3rdparty/libatomicops/src/atomic_ops/*.h $lao/atomic_ops\n"
. "\t\$(CP) 3rdparty/libatomicops/src/atomic_ops/sysdeps/*.h $lao/atomic_ops/sysdeps\n"
. "\t\$(CP) 3rdparty/libatomicops/src/atomic_ops/sysdeps/armcc/*.h $lao/atomic_ops/sysdeps/armcc\n"
. "\t\$(CP) 3rdparty/libatomicops/src/atomic_ops/sysdeps/gcc/*.h $lao/atomic_ops/sysdeps/gcc\n"
. "\t\$(CP) 3rdparty/libatomicops/src/atomic_ops/sysdeps/hpc/*.h $lao/atomic_ops/sysdeps/hpc\n"
. "\t\$(CP) 3rdparty/libatomicops/src/atomic_ops/sysdeps/ibmc/*.h $lao/atomic_ops/sysdeps/ibmc\n"
. "\t\$(CP) 3rdparty/libatomicops/src/atomic_ops/sysdeps/icc/*.h $lao/atomic_ops/sysdeps/icc\n"
. "\t\$(CP) 3rdparty/libatomicops/src/atomic_ops/sysdeps/loadstore/*.h $lao/atomic_ops/sysdeps/loadstore\n"
. "\t\$(CP) 3rdparty/libatomicops/src/atomic_ops/sysdeps/msftc/*.h $lao/atomic_ops/sysdeps/msftc\n"
. "\t\$(CP) 3rdparty/libatomicops/src/atomic_ops/sysdeps/sunc/*.h $lao/atomic_ops/sysdeps/sunc\n";
}
if ($args{'has-libtommath'}) {
$defaults{-thirdparty}->{tom} = undef;
unshift @{$config{usrlibs}}, 'tommath';
}
else {
$config{cincludes} .= ' ' . $defaults{ccinc} . '3rdparty/libtommath';
$config{install} .= "\t\$(MKPATH) \$(DESTDIR)\$(PREFIX)/include/libtommath\n"
. "\t\$(CP) 3rdparty/libtommath/*.h \$(DESTDIR)\$(PREFIX)/include/libtommath\n";
}
if ($args{'has-libffi'}) {
$config{nativecall_backend} = 'libffi';
unshift @{$config{usrlibs}}, 'ffi';
push @{$config{defs}}, 'HAVE_LIBFFI';
$defaults{-thirdparty}->{dc} = undef;
$defaults{-thirdparty}->{dcb} = undef;
$defaults{-thirdparty}->{dl} = undef;
if ($config{pkgconfig_works}) {
my $result_cflags = `$config{pkgconfig} --cflags libffi`;
if ( $? == 0 ) {
$result_cflags =~ s/\n/ /g;
$config{cincludes} .= " $result_cflags";
print("Adding extra include for libffi: $result_cflags\n");
}
else {
print("Error occured when running $config{pkgconfig} --cflags libffi.\n");
}
my $result_libs = `$config{pkgconfig} --libs libffi`;
if ( $? == 0 ) {
$result_libs =~ s/\n/ /g;
$config{ldusr} .= " $result_libs";
print("Adding extra libs for libffi: $result_libs\n");
}
else {
print("Error occured when running $config{pkgconfig} --libs libffi.\n");
}
}
elsif ($^O eq 'solaris') {
my ($first) = map { m,(.+)/ffi\.h$, && "/$1" } grep { m,/ffi\.h$, } `pkg contents libffi`;
if ($first) {
$config{cincludes} .= " -I$first";
print("Adding extra include for libffi: $first\n");
}
else {
print("Unable to find ffi.h. Please install libffi by doing: 'sudo pkg install libffi'\n");
}
}
}
elsif ($args{'has-dyncall'}) {
unshift @{$config{usrlibs}}, 'dyncall_s', 'dyncallback_s', 'dynload_s';
$defaults{-thirdparty}->{dc} = undef;
$defaults{-thirdparty}->{dcb} = undef;
$defaults{-thirdparty}->{dl} = undef;
$config{nativecall_backend} = 'dyncall';
}
else {
$config{nativecall_backend} = 'dyncall';
$config{cincludes} .= ' ' . $defaults{ccinc} . '3rdparty/dyncall/dynload'
. ' ' . $defaults{ccinc} . '3rdparty/dyncall/dyncall'
. ' ' . $defaults{ccinc} . '3rdparty/dyncall/dyncallback';
$config{install} .= "\t\$(MKPATH) \$(DESTDIR)\$(PREFIX)/include/dyncall\n"
. "\t\$(CP) 3rdparty/dyncall/dynload/*.h \$(DESTDIR)\$(PREFIX)/include/dyncall\n"
. "\t\$(CP) 3rdparty/dyncall/dyncall/*.h \$(DESTDIR)\$(PREFIX)/include/dyncall\n"
. "\t\$(CP) 3rdparty/dyncall/dyncallback/*.h \$(DESTDIR)\$(PREFIX)/include/dyncall\n";
}
# mangle library names
$config{ldlibs} = join ' ',
(map { sprintf $config{ldusr}, $_; } @{$config{usrlibs}}),
(map { sprintf $config{ldsys}, $_; } @{$config{syslibs}});
$config{ldlibs} = ' -lasan ' . $config{ldlibs} if $args{asan} && $^O ne 'darwin' && $config{cc} ne 'clang';
$config{ldlibs} = ' -lubsan ' . $config{ldlibs} if $args{ubsan} and $^O ne 'darwin';
# macro defs
$config{ccdefflags} = join ' ', map { $config{ccdef} . $_ } @{$config{defs}};
$config{ccoptiflags} = sprintf $config{ccoptiflags}, defined_or $args{optimize}, 1 if $config{ccoptiflags} =~ /%s/;
$config{ccdebugflags} = sprintf $config{ccdebugflags}, defined_or $args{debug}, 3 if $config{ccdebugflags} =~ /%s/;
$config{ldoptiflags} = sprintf $config{ldoptiflags}, defined_or $args{optimize}, 1 if $config{ldoptiflags} =~ /%s/;
$config{lddebugflags} = sprintf $config{lddebugflags}, defined_or $args{debug}, 3 if $config{lddebugflags} =~ /%s/;
# generate CFLAGS
my @cflags;
push @cflags, $config{ccmiscflags};
push @cflags, $config{ccoptiflags} if $args{optimize};
push @cflags, $config{ccdebugflags} if $args{debug};
push @cflags, $config{ccinstflags} if $args{instrument};
push @cflags, $config{ld_covflags} if $args{coverage};
push @cflags, $config{ccwarnflags};
push @cflags, $config{ccdefflags};
push @cflags, $config{ccshared} unless $args{static};
push @cflags,
$config{cc} eq 'clang'
? '-Rpass=loop-vectorize'
: $config{cc} eq 'gcc'
? '-fopt-info-vec-optimized'
: die if $args{'show-autovect'};
push @cflags, $config{ccjitflags} if $args{jit};
if (exists $args{'show-autovect-failed'}) {
push @cflags, '-Rpass-missed=loop-vectorize' if $config{cc} eq 'clang';
push @cflags, ("-ftree-vectorizer-verbose=" . ($args{'show-autovect-failed'} || 1), "-fopt-info-vec-missed")
if $config{cc} eq 'gcc';
}
if ($args{'show-autovect-failed'}) {
push @cflags, '-Rpass-analysis=loop-vectorize' if 2 <= $args{'show-autovect-failed'} && $config{cc} eq 'clang';
push @cflags, '-fsave-optimization-record ' if 3 <= $args{'show-autovect-failed'} && $config{cc} eq 'clang';
}
push @cflags, '-fno-omit-frame-pointer' if $args{asan} or $args{ubsan};
push @cflags, '-fsanitize=address' if $args{asan};
push @cflags, '-fsanitize=undefined' if $args{ubsan};
push @cflags, '-DWSL_BASH_ON_WIN' if wsl_bash_on_win();
push @cflags, '-DDEBUG_HELPERS' if $args{debug};
push @cflags, '-DMVM_VALGRIND_SUPPORT' if $args{valgrind};
push @cflags, '-DHAVE_TELEMEH' if $args{telemeh};
push @cflags, '-DWORDS_BIGENDIAN' if $config{be}; # 3rdparty/sha1 needs it and it isnt set on mips;
push @cflags, $ENV{CFLAGS} if $ENV{CFLAGS};
push @cflags, $ENV{CPPFLAGS} if $ENV{CPPFLAGS};
$config{cflags} = join ' ', uniq(@cflags);
# generate LDFLAGS
my @ldflags = ($config{ldmiscflags});
push @ldflags, $config{ldoptiflags} if $args{optimize};
push @ldflags, $config{lddebugflags} if $args{debug};
push @ldflags, $config{ldinstflags} if $args{instrument};
push @ldflags, $config{ld_covflags} if $args{coverage};
push @ldflags, $config{ldrpath} if not $args{static} and $config{prefix} ne '/usr';
push @ldflags, '-fsanitize=address' if $args{asan};
push @ldflags, $ENV{LDFLAGS} if $ENV{LDFLAGS};
$config{ldflags} = join ' ', @ldflags;
# setup library names
$config{moarlib} = sprintf $config{lib}, $NAME;
$config{moardll} = sprintf $config{dll}, $NAME;
# setup flags for shared builds
unless ($args{static}) {
$config{objflags} = '@ccdef@MVM_BUILD_SHARED @ccshared@';
$config{mainflags} = '@ccdef@MVM_SHARED';
$config{moar} = '@moardll@';
$config{impinst} = $config{sharedlib},
$config{mainlibs} = '@lddir@. ' .
sprintf(defined_or($config{ldimp}, $config{ldusr}), $NAME);
}
else {
$config{objflags} = '';
$config{mainflags} = '';
$config{moar} = '@moarlib@';
$config{impinst} = $config{staticlib};
$config{mainlibs} = '@moarlib@ @thirdpartylibs@ $(LDLIBS)';
# Install static library in default location
$config{libdir} = '@prefix@/lib' if ! $args{libdir};
}
$config{mainlibs} = '-lubsan ' . $config{mainlibs} if $args{ubsan};
# some toolchains generate garbage
my @auxfiles = @{ $defaults{-auxfiles} };
$config{auxclean} = @auxfiles ? '$(RM) ' . join ' ', @auxfiles : '@:';
print "OK\n\n";
if ($config{crossconf}) {
build::auto::detect_cross(\%config, \%defaults);
build::probe::static_inline_cross(\%config, \%defaults);
build::probe::unaligned_access_cross(\%config, \%defaults);
build::probe::ptr_size_cross(\%config, \%defaults);
}
else {
build::auto::detect_native(\%config, \%defaults);
build::probe::static_inline_native(\%config, \%defaults);
build::probe::unaligned_access(\%config, \%defaults);
build::probe::ptr_size_native(\%config, \%defaults);
}
if ($args{'jit'}) {
if ($config{ptr_size} != 8) {
print "JIT isn't supported on platforms with $config{ptr_size} byte pointers.\n";
} elsif ($Config{archname} =~ m/^x86_64|^amd64|^darwin(-thread)?(-multi)?-2level/) {
$config{jit_obj} = '$(JIT_OBJECTS) $(JIT_ARCH_X64)';
$config{dasm_flags} = '-D POSIX=1';
$config{jit_arch} = 'MVM_JIT_ARCH_X64';
$config{jit_platform} = 'MVM_JIT_PLATFORM_POSIX';
} elsif ($Config{archname} =~ /^MSWin32-x64/) {
$config{jit_obj} = '$(JIT_OBJECTS) $(JIT_ARCH_X64)';
$config{dasm_flags} = '-D WIN32=1';
$config{jit_arch} = 'MVM_JIT_ARCH_X64';
$config{jit_platform} = 'MVM_JIT_PLATFORM_WIN32';
} else {
print "JIT isn't supported on $Config{archname} yet.\n";
}
}
# fallback
unless (defined $config{jit_obj}) {
$config{jit_obj} = '$(JIT_STUB)';
$config{jit_arch} = 'MVM_JIT_ARCH_NONE';
$config{jit_platform} = 'MVM_JIT_PLATFORM_NONE';
$config{dasm_flags} = '';
}
if ($config{cc} eq 'cl') {
$config{install} .= "\t\$(MKPATH) \$(DESTDIR)\$(PREFIX)/include/msinttypes\n"
. "\t\$(CP) 3rdparty/msinttypes/*.h \$(DESTDIR)\$(PREFIX)/include/msinttypes\n";
}
build::probe::C_type_bool(\%config, \%defaults);
build::probe::computed_goto(\%config, \%defaults);
build::probe::pthread_yield(\%config, \%defaults);
build::probe::rdtscp(\%config, \%defaults);
my $order = $config{be} ? 'big endian' : 'little endian';
# dump configuration
print "\n", <<TERM, "\n";
make: $config{make}
compile: $config{cc} $config{cflags}
includes: $config{cincludes}
link: $config{ld} $config{ldflags}
libs: $config{ldlibs}
byte order: $order
TERM
print dots('Configuring 3rdparty libs');
my @thirdpartylibs;
my $thirdparty = $defaults{-thirdparty};
for (sort keys %$thirdparty) {
my $current = $thirdparty->{$_};
my @keys = ( "${_}lib", "${_}objects", "${_}rule", "${_}clean");
# don't build the library (libatomic_ops can be header-only)
unless (defined $current) {
@config{@keys} = ("__${_}__", '', '@:', '@:');
next;
}
my ($lib, $objects, $rule, $clean);
$lib = sprintf "%s/$config{lib}",
$current->{path},
$current->{name};
# C<rule> and C<build> can be used to augment all build types
$rule = $current->{rule};
$clean = $current->{clean};
# select type of build
# dummy build - nothing to do
if (exists $current->{dummy}) {
$clean = sprintf '$(RM) %s', $lib unless defined $clean;
}
# use explicit object list
elsif (exists $current->{objects}) {
$objects = $current->{objects};
$rule = sprintf '$(AR) $(ARFLAGS) @arout@$@ @%sobjects@', $_ unless defined $rule;
$clean = sprintf '$(RM) @%slib@ @%sobjects@', $_, $_ unless defined $clean;
}
# find *.c files and build objects for those
elsif (exists $current->{src}) {
my @sources = map { glob "$_/*.c" } @{ $current->{src} };
my $globs = join ' ', map { $_ . '/*@obj@' } @{ $current->{src} };
$objects = join ' ', map { s/\.c$/\@obj\@/; $_ } @sources;
$rule = sprintf '$(AR) $(ARFLAGS) @arout@$@ %s', $globs unless defined $rule;
$clean = sprintf '$(RM) %s %s', $lib, $globs unless defined $clean;
}
# use an explicit rule (which has already been set)
elsif (exists $current->{rule}) {}
# give up
else {
softfail("no idea how to build '$lib'");
print dots(' continuing anyway');
}
@config{@keys} = ($lib, defined_or($objects, ''), defined_or($rule, '@:'), defined_or($clean, '@:'));
push @thirdpartylibs, $config{"${_}lib"};
}
$config{thirdpartylibs} = join ' ', @thirdpartylibs;
my $thirdpartylibs = join "\n" . ' ' x 12, sort @thirdpartylibs;
print "OK\n";
write_backend_config();
# dump 3rdparty libs we need to build
print "\n", <<TERM, "\n";
3rdparty: $thirdpartylibs
TERM
# make sure to link with the correct entry point */
$config{mingw_unicode} = '';
if ($config{os} eq 'mingw32') {
$config{mingw_unicode} = '-municode';
}
# read list of files to generate
open my $listfile, '<', $GENLIST
or die "$GENLIST: $!\n";
my $target;
while (<$listfile>) {
s/^\s+|\s+$//;
next if /^#|^$/;
$target = $_, next
unless defined $target;
generate($target, $_);
$target = undef;
}
close $listfile;
# configuration completed
if ($args{'enable-jit'}) {
print("\nThe --enable-jit flag is obsolete, as jit is enabled by default.\n");
print("You can use --no-jit to build without jit.");
}
print "\n", $failed ? <<TERM1 : <<TERM2;
Configuration FAIL. You can try to salvage the generated Makefile.
TERM1
Configuration SUCCESS.
Type '$config{'make'}' to build and '$config{'make'} help' to see a list of
available make targets.
TERM2
if (!$failed && $args{'make-install'}) {
system($config{make}, 'install');
}
print $folder_to_delete if $folder_to_delete;
exit $failed;
# helper functions
# fill in defaults for native builds
sub setup_native {
my ($os) = @_;
print dots("Configuring native build environment");
print "\n";
$os = build::probe::win32_compiler_toolchain(\%config, \%defaults)
if $os eq 'MSWin32';
if (!exists $::SYSTEMS{$os}) {
softfail("unknown OS '$os'");
print dots(" assuming POSIX userland");
$os = 'posix';
}
$defaults{os} = $os;
my ($shell, $toolchain, $compiler, $overrides) = @{$::SYSTEMS{$os}};
$shell = $::SHELLS{$shell};
$toolchain = $::TOOLCHAINS{$toolchain};
$compiler = $::COMPILERS{$compiler};
set_defaults($shell, $toolchain, $compiler, $overrides);
if (exists $args{shell}) {
$shell = $args{shell};
hardfail("unsupported shell '$shell'")
unless exists $::SHELLS{$shell};
$shell = $::SHELLS{$shell};
set_defaults($shell);
}
if (exists $args{toolchain}) {
$toolchain = $args{toolchain};
hardfail("unsupported toolchain '$toolchain'")
unless exists $::TOOLCHAINS{$toolchain};
$toolchain = $::TOOLCHAINS{$toolchain};
$compiler = $::COMPILERS{ $toolchain->{-compiler} };
set_defaults($toolchain, $compiler);
}
if (exists $args{compiler}) {
$compiler = $args{compiler};
hardfail("unsupported compiler '$compiler'")
unless exists $::COMPILERS{$compiler};
$compiler = $::COMPILERS{$compiler};
unless (exists $args{toolchain}) {
$toolchain = $::TOOLCHAINS{ $compiler->{-toolchain} };
set_defaults($toolchain);
}
set_defaults($compiler);
}
my $order = $Config{byteorder};
if ($order eq '1234' || $order eq '12345678') {
$defaults{be} = 0;
}
elsif ($order eq '4321' || $order eq '87654321') {
$defaults{be} = 1;
}
else {
::hardfail("unsupported byte order $order");
}
}
# fill in defaults for cross builds
sub setup_cross {
my ($build, $host) = @_;
print dots("Configuring cross build environment");
hardfail("both --build and --host need to be specified")
unless defined $build && defined $host;
my $cc = "$host-gcc";
my $ar = "$host-ar";
my $crossconf = "--build=$build --host=$host";
for (\$build, \$host) {
if ($$_ =~ /-(\w+)-\w+$/) {
$$_ = $1;
if (!exists $::SYSTEMS{$1}) {
softfail("unknown OS '$1'");
print dots(" assuming GNU userland");
$$_ = 'posix';
}
}
else { hardfail("failed to parse triple '$$_'") }
}
$defaults{os} = $host;
$build = $::SYSTEMS{$build};
$host = $::SYSTEMS{$host};
my $shell = $::SHELLS{ $build->[0] };
my $toolchain = $::TOOLCHAINS{gnu};
my $compiler = $::COMPILERS{gcc};
my $overrides = $host->[3];
set_defaults($shell, $toolchain, $compiler, $overrides);
$defaults{cc} = $cc;
$defaults{ar} = $ar;
$defaults{crossconf} = $crossconf;
$defaults{be} = $args{'big-endian'};
}
# sets C<%defaults> from C<@_>
sub set_defaults {
# getting the correct 3rdparty information is somewhat tricky
my $thirdparty = defined_or $defaults{-thirdparty}, \%::THIRDPARTY;
@defaults{ keys %$_ } = values %$_ for @_;
$defaults{-thirdparty} = {
%$thirdparty, map{ %{ defined_or $_->{-thirdparty}, {} } } @_
};
}
# fill in config values
sub configure {
my ($template) = @_;
while ($template =~ /@(\w+)@/) {
my $key = $1;
unless (exists $config{$key}) {
return (undef, "unknown configuration key '$key'\n known keys: " .
join(', ', sort keys %config));
}
$template =~ s/@\Q$key\E@/$config{$key}/;
}
return $template;
}
# generate files
sub generate {
my ($dest, $src) = @_;
print dots("Generating $dest");
open my $srcfile, '<', $src or hardfail($!);
open my $destfile, '>', $dest or hardfail($!);
while (<$srcfile>) {
my ($line, $error) = configure($_);
hardfail($error)
unless defined $line;
if ($config{sh} eq 'cmd' && $dest =~ /Makefile|config\.c/) {
# In-between slashes in makefiles need to be backslashes on Windows.
# Double backslashes in config.c, beause these are in qq-strings.
my $bs = $dest =~ /Makefile/ ? '\\' : '\\\\';
$line =~ s/(\w|\.|\w\:|\$\(PREFIX\))\/(?=\w|\.|\*)/$1$bs/g;
$line =~ s/(\w|\.|\w\:|\$\(PREFIX\))\\(?=\w|\.|\*)/$1$bs/g if $bs eq '\\\\';
# gmake doesn't like \*
$line =~ s/(\w|\.|\w\:|\$\(PREFIX\))\\\*/$1\\\\\*/g
if $config{make} eq 'gmake';
}
print $destfile $line;
}
close $srcfile;
close $destfile;
print "OK\n";
}
# some dots
sub dots {
my $message = shift;
my $length = shift || 55;
my $dot_count = $length - length $message;
$dot_count = 0 if $dot_count < 0;
return "$message " . '.' x $dot_count . ' ';
}
# fail but continue
sub softfail {
my ($msg) = @_;
$failed = 1;
print "FAIL\n";
warn " $msg\n";
}
# fail and don't continue
sub hardfail {
softfail(@_);
die "\nConfiguration PANIC. A Makefile could not be generated.\n";
}
sub write_backend_config {
$config{backendconfig} = '';
for my $k (sort keys %config) {
next if $k eq 'backendconfig';
my $v = $config{$k};
if (ref($v) eq 'ARRAY') {
my $i = 0;
for (@$v) {
$config{backendconfig} .= qq/ add_entry(tc, config, "$k\[$i]", "$_");\n/;
$i++;
}
}
elsif (ref($v) eq 'HASH') {
# should not be there
}
else {
$v = '' unless defined $v;
$v =~ s/"/\\"/g;
$v =~ s/\n/\\\n/g;
$config{backendconfig} .= qq/ add_entry(tc, config, "$k", "$v");\n/;
}
}
}
sub wsl_bash_on_win {
open my $fh, '<', '/proc/sys/kernel/osrelease' or return 0;
return ((readline $fh) =~ /\A\d\.\d\.\d-\d+-Microsoft\s*\z/) ? 1 : 0;
}
__END__
=head1 SYNOPSIS
./Configure.pl -?|--help
./Configure.pl [--os <os>] [--shell <shell>]
[--toolchain <toolchain>] [--compiler <compiler>]
[--ar <ar>] [--cc <cc>] [--ld <ld>] [--make <make>]
[--debug] [--optimize] [--instrument]
[--static] [--prefix]
[--has-libtommath] [--has-sha] [--has-libuv]
[--has-libatomic_ops]
[--asan] [--ubsan] [--no-jit]
[--telemeh]
./Configure.pl --build <build-triple> --host <host-triple>
[--ar <ar>] [--cc <cc>] [--ld <ld>] [--make <make>]
[--debug] [--optimize] [--instrument]
[--static] [--big-endian] [--prefix]
[--make-install]
=head2 Use of environment variables
Compiler and linker flags can be extended with environment variables.
CFLAGS="..." LDFLAGS="..." ./Configure.pl
=head1 OPTIONS
=over 4
=item -?
=item --help
Show this help information.
=item --debug
=item --no-debug
Toggle debugging flags during compile and link. Debugging is off by
default.
=item --optimize
=item --no-optimize
Toggle optimization and debug flags during compile and link. If nothing
is specified the default is to optimize.
=item --instrument
=item --no-instrument
Toggle extra instrumentation flags during compile and link; for example,
turns on Address Sanitizer when compiling with C<clang>. Defaults to off.
=item --os <os>
Set the operating system name which you are compiling to.
Currently supported operating systems are C<posix>, C<linux>, C<darwin>,
C<openbsd>, C<netbsd>, C<freebsd>, C<solaris>, C<win32>, and C<mingw32>.
If not explicitly set, the option will be provided by the Perl runtime.
In case of unknown operating systems, a POSIX userland is assumed.
=item --shell <shell>
Currently supported shells are C<posix> and C<win32>.
=item --toolchain <toolchain>
Currently supported toolchains are C<posix>, C<gnu>, C<bsd> and C<msvc>.
=item --compiler <compiler>
Currently supported compilers are C<gcc>, C<clang> and C<cl>.
=item --ar <ar>
Explicitly set the archiver without affecting other configuration
options.
=item --cc <cc>
Explicitly set the compiler without affecting other configuration
options.
=item --show-autovect
Prints debug messages when compiling showing which loops were auto vectorized
to SIMD instructions during build. Option is supported for Clang and GCC only.
=item --show-autovect-failed
Prints debug messages which hopefully reveal why autovectorization has failed
for a loop. Verbosity level is 1-3 for clang, for GCC it is likely 1-2.
If you are trying to vectorize code, it's *highly* recommended to try using clang
first as it's smarter and has more useful messages. Then once it is working,
try to get it working on gcc.
=item --asan
Build with AddressSanitizer (ASAN) support. Requires clang and LLVM 3.1 or newer.
See L<https://code.google.com/p/address-sanitizer/wiki/AddressSanitizer>
You can use C<ASAN_OPTIONS> to configure ASAN at runtime; for example, to disable
memory leak checking (which can make Rakudo fail to build), you can set the following:
export ASAN_OPTIONS=detect_leaks=0
A full list of options is displayed if you set C<ASAN_OPTIONS> to C<help=1>.
=item --ubsan
Build with Undefined Behaviour sanitizer support.
=item --valgrind
Include Valgrind Client Requests for moarvm's own memory allocators.
=item --ld <ld>
Explicitly set the linker without affecting other configuration
options.
=item --make <make>
Explicitly set the make tool without affecting other configuration
options.
=item --static
Build MoarVM as a static library instead of a shared one.
=item --build <build-triple> --host <host-triple>
Set up cross-compilation.
=item --big-endian
Set byte order of host system in case of cross compilation. With native
builds, the byte order is auto-detected.
=item --prefix