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#!/usr/bin/env perl
#
# Simple GCC version check
#
# I have a feeling this could be better-implemented, because
# it seems like the regex results should be available in an
# array (i.e $RESULT[1] == $1 or something), but whatever.
# But for now, this works fine. - Steven
#
use strict;
use warnings;
my $gcc = $ARGV[0];
my $min = $ARGV[1];
if ( `which $gcc 2> /dev/null` ) {
} else {
die "Can't detect GCC version ($gcc is missing?)\n";
}
my $local = `$gcc -dumpversion`;
my $pattern = "([0-9]+).([0-9]+).([0-9]+)";
if ($local =~ $pattern) {
} else {
die "Version '$local' is malformed.\n";
}
my $local_major = $1;
my $local_minor = $2;
my $local_patch = $3;
if ($min =~ $pattern) {
} else {
die "Version '$min' is malformed.\n";
}
my $min_major = $1;
my $min_minor = $2;
my $min_patch = $3;
if ($local_major > $min_major) {
print "1";
exit 0;
}
if ($local_major < $min_major) {
print "0";
exit 0;
}
if ($local_minor > $min_minor) {
print "1";
exit 0;
}
if ($local_minor < $min_minor) {
print "0";
exit 0;
}
if ($local_patch < $min_patch) {
print "0";
exit 0;
}
print "1";
exit 0;
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