#!/usr/bin/env perl
# Determine if curl-config --version matches the curl --version
if ( $#ARGV != 2 ) 
{
	print "Usage: $0 curl-config-script curl-version-output-file version|vernum\n";
	exit 3;
}

my $what=$ARGV[2];

# Read the output of curl --version
open(CURL, "$ARGV[1]") || die "Can't open curl --version list in $ARGV[1]\n";
$_ = <CURL>;
chomp;
/libcurl\/([\.\d]+(-CVS)?)/;
my $version = $1;
close CURL;

my $curlconfigversion;

# Read the output of curl-config --version/--vernum
open(CURLCONFIG, "sh $ARGV[0] --$what|") || die "Can't get curl-config --$what list\n";
$_ = <CURLCONFIG>;
chomp;
if ( $what eq "version" ) {
	/^libcurl ([\.\d]+(-CVS)?)$/ ;
	$curlconfigversion = $1;
}
else {
	# Convert hex version to decimal for comparison's sake
	/^(..)(..)(..)$/ ;
	$curlconfigversion = hex($1) . "." . hex($2) . "." . hex($3);

	# Strip off the -CVS from the curl version if it's there
	$version =~ s/-CVS$//;
}
close CURLCONFIG;

my $different = $version ne $curlconfigversion;
if ($different || !$version) {
	print "Mismatch in --version:\n";
	print "curl:        $version\n";
	print "curl-config: $curlconfigversion\n";
	exit 1;
}