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|
#!/usr/bin/perl
#
# Copyright (c) 1997-2024
# Ewgenij Gawrilow, Michael Joswig, and the polymake team
# Technische Universität Berlin, Germany
# https://polymake.org
#
# This program is free software; you can redistribute it and/or modify it
# under the terms of the GNU General Public License as published by the
# Free Software Foundation; either version 2, or (at your option) any
# later version: http://www.gnu.org/licenses/gpl.txt.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#-------------------------------------------------------------------------------
use strict;
my $Version=Version;
my $InstallArch=InstallArch;
sub usage {
print STDERR <<'.';
usage: polymake-config --help | --version | [--debug | --sanitize] --OPTION
Print bits of polymake configuration useful to compose Makefiles
for programs linked with its callable library.
OPTION may be one of:
--cc print the name of C++ compiler and linker
--cflags print the C++ compiler flags without header paths
--includes print the C++ compiler flags for header paths
--ldflags print the linker flags
--libs print the libraries to link with
.
exit(0);
}
@ARGV || usage;
my $root=InstallTop;
do "$root/support/install_utils.pl";
die $@ if $@;
my %ConfigFlags=load_config_file("$InstallArch/config.ninja", $root);
if ($ConfigFlags{LDcallableFLAGS} eq "none") {
die <<'.';
polymake has been built without callable library,
probably because of missing shared library libperl.
.
}
my $tmpdir;
foreach ($ENV{TMPDIR}, "/tmp", "/var/tmp", ".", $ENV{HOME}) {
if (defined($_) && -d $_ && -w _ && -x _) {
$tmpdir=$_; last;
}
}
defined($tmpdir) or die <<'.';
Can't find any writable directory for temporary files;
Please set enviroment variable TMPDIR to an appropriate location.
.
my $tmpfile="$tmpdir/polymake-config-$$";
my ($mode, $mode_asked);
while (defined ($_=shift)) {
if ($_ eq "--debug") {
if (defined $mode_asked) {
usage;
} else {
$mode="Debug";
}
} elsif ($_ eq "--sanitize") {
if (defined $mode_asked) {
usage;
} else {
$mode="San";
}
} elsif ($_ eq "--version") {
print $Version, "\n";
} elsif ($_ eq "--cc") {
print $ConfigFlags{CXX}, "\n";
} elsif ($_ eq "--cflags") {
my ($major, $minor)=split /\./, $Version;
my $version_for_c=sprintf("%d%02d", $major, $minor);
$_="-DPOLYMAKE_VERSION=$version_for_c $ConfigFlags{CsharedFLAGS} $ConfigFlags{CXXFLAGS}";
if ($^O eq "darwin") {
s/\$\{ARCHFLAGS\}/$ConfigFlags{ARCHFLAGS}/;
}
# include paths are reported separately
s/-I\S+//g;
# do not impose the strict warning policy on foreign software
s/-W(?:all|error)(?:\s|$)//g;
# strip spaces
s/^\s+//; s/\s+$//; s/\s{2,}/ /g;
$mode_asked=1;
if ($mode eq "Debug") {
print "$_ $ConfigFlags{CXXDEBUG} -DPOLYMAKE_DEBUG=1\n";
} elsif ($mode eq "San") {
print "$_ $ConfigFlags{CXXSANITIZE} -DPOLYMAKE_DEBUG=0 $ConfigFlags{PERLSANITIZE}\n";
} else {
print "$_ $ConfigFlags{CXXOPT} -DPOLYMAKE_DEBUG=0\n";
}
} elsif ($_ eq "--includes") {
my $inc=join(" ", grep { /^-I/ } split /\s+/, $ConfigFlags{CXXFLAGS});
if (glob "$ConfigFlags{InstallInc}/polymake/external/*") {
$inc="-I$ConfigFlags{InstallInc}/polymake/external $inc";
}
if ($inc !~ /(?:^|\s)-I$ConfigFlags{InstallInc}(?:\s|$)/) {
$inc="-I$ConfigFlags{InstallInc} $inc";
}
# collect standard include paths of the C++ compiler and exclude them from the result
open CF, ">$tmpfile.cc" or die "can't create temporary file $tmpfile.cc: $!\n";
print CF "int main() { return 0; }\n";
close CF;
open CC, "$ConfigFlags{CXX} -o $tmpfile.bin -v $tmpfile.cc 2>&1 |" or die "can't run C++ compiler $ConfigFlags{CXX}: $!\n";
while (<CC>) {
last if (/^\#include.*starts here/i);
}
while (<CC>) {
last if /end of search list/i;
if (! /^\#/ && /(\S+)/) {
my $dir=$1;
$inc =~ s/(^|\s)-I$dir(\s\$)/$1$2/;
}
}
close CC;
$inc=~s/^\s+//; $inc=~s/\s+$//; $inc=~s/\s{2,}/ /g;
print $inc, "\n";
} elsif ($_ eq "--ldflags") {
my $ldflags=$ConfigFlags{LDFLAGS};
if ($ldflags !~ /(?:^|\s)-L$ConfigFlags{InstallLib}(?:\s|$)/) {
$ldflags="-L$ConfigFlags{InstallLib} $ldflags";
}
my $add_rpath=1;
# collect standard library paths of the C++ compiler and exclude them from the result
open CF, ">$tmpfile.cc" or die "can't create temporary file $tmpfile.cc: $!\n";
print CF "int main() { return 0; }\n";
close CF;
open CC, "$ConfigFlags{CXX} -o $tmpfile.bin -v $tmpfile.cc 2>&1 |" or die "can't run C++ compiler $ConfigFlags{CXX}: $!\n";
while (<CC>) {
if (/^LIBRARY_PATH=/i) {
foreach my $dir (split /:/, $') {
$ldflags =~ s/(^|\s)-L$dir(\s\$)/$1$2/;
$add_rpath &&= $dir ne $ConfigFlags{InstallLib};
}
last;
}
}
close CC;
if ($^O eq "darwin") {
$ldflags = "$ConfigFlags{ARCHFLAGS} $ldflags -flat_namespace";
} else {
$ldflags .= " -Wl,-E";
if ($add_rpath) {
$ldflags .= " -Wl,-rpath,$ConfigFlags{InstallLib}";
}
}
$ldflags =~ s/^\s+//; $ldflags =~ s/\s+$//; $ldflags =~ s/\s{2,}/ /g;
$mode_asked = 1;
if ($mode eq "Debug") {
print "$ldflags $ConfigFlags{CXXDEBUG}\n";
} elsif ($mode eq "San") {
print "$ldflags $ConfigFlags{CXXSANITIZE} $ConfigFlags{PERLSANITIZE}\n";
} else {
print $ldflags, "\n";
}
} elsif ($_ eq "--libs") {
print "-lpolymake -lpolymake-apps $ConfigFlags{LIBS}\n";
} else {
usage;
}
}
END {
if (defined $tmpfile) {
unlink $_ for glob "$tmpfile*";
}
}
# Local Variables:
# mode: perl
# cperl-indent-level:3
# indent-tabs-mode:nil
# End:
|
