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# 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.
#-------------------------------------------------------------------------------
# utilities used in generate_ninja_targets.pl and install.pl
use strict;
sub extract_polymake_version {
my ($root)=@_;
open my $pm, "$root/perllib/Polymake.pm"
or die "can't read $root/perllib/Polymake.pm: $!\n";
local $/="\n";
local $_;
while (<$pm>) {
if (/^\s*declare\s+\$Version\s*=\s*(['"])(\d+\.\d+)(\.\d+)*\1\s*;\s*$/) {
return "$2";
}
}
die "could not find polymake version in $root/perllib/Polymake.pm\n";
}
sub load_config_file {
my ($config_file, $root)=@_;
my %values;
open my $cf, $config_file
or die "configuration file $config_file is missing: have you run configure?\n";
local $_;
while (<$cf>) {
if (m{^\s*(?!super.)([\w.]+)\s*=\s*(.*(?<!\s))\s*$}) {
$values{$1}=$2;
}
}
close $cf;
$root eq $values{root}
or die "configuration file $config_file does not match the top directory $root\n";
%values;
}
sub basename {
if ((my ($name, $suffix)=@_)==2) {
if ($name =~ m{/(([^/.]+)\.$suffix)$}) {
return ($1, $2);
}
} elsif ($name =~ m{/([^/]+)$}) {
return $1;
}
$_[0];
}
sub dirname {
my $basename=&basename;
$basename ne $_[0] && substr($_[0], 0, length($_[0])-length($basename)-1)
}
1
# Local Variables:
# cperl-indent-level:3
# indent-tabs-mode:nil
# End:
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