#!/usr/bin/perl
#############################################################################
##
## Copyright (C) 2013 Digia Plc and/or its subsidiary(-ies).
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## GNU Lesser General Public License Usage
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## GNU General Public License Usage
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## General Public License version 3.0 as published by the Free Software
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#############################################################################

# use module

my $result = `sbs --query=config[armv5_urel] 2>&1`;
my $count = length($result);
my $idx = index($result, "arm.v5.urel.rvct");

print "Checking default compiler for 'sbs -c armv5_urel' ...\n";
if ($idx > 0 && $count > ($idx + 20)){
	$version_hig = substr($result, $idx+16, 1);
	$version_low = substr($result, $idx+18, 1);
	print "Default compiler found: RVCT" . $version_hig . "." . $version_low . "\n";

	# check if RVCT in sbs config is < 4.0
	if($version_hig < 4 && $version_hig >= 2){
		#check installed ARM compiler version
		$result = `armcc 2>&1`;
		if( index($result, "RVCT") > 0){
			$idx = index($result, ".");
			$rvctversion_hig = substr($result, $idx-1, 1);
			$rvctversion_low = substr($result, $idx+1, 1);
			print "Installed RVCT compiler: RVCT". $rvctversion_hig . "." . $rvctversion_low . "\n";
			#check if installed RVCT is >= 4.0
			if( $rvctversion_hig >= 4){
				#check if the variable QT_RVCT_VERSION is set to the rvct version
				$qtvarval = $ENV{'QT_RVCT_VERSION'};
				$qtvarshould = $rvctversion_hig. "." .$rvctversion_low;
				if((length($qtvarval) <= 0) || ($qtvarshould != $qtvarval)){
					print "Error: please set environment variable QT_RVCT_VERSION=";
					print "$rvctversion_hig.$rvctversion_low and re-run configure\n";
				}
			}
		}
		else{
			print "OK\n";
		}
	}
}
else{
    print "OK\n";
}