geninfo: make gcov tool version detection more robust

Don't consider gcov tool version information in parenthesis when
determining the gcov tool version. This fixes problems where the
version string contains a different version number in parenthesis
before the actual gcov version.

Signed-off-by: Peter Oberparleiter <[email protected]>

Author: Peter Oberparleiter

bin/geninfo

@@ -61,7 +61,7 @@ if( $^O eq "msys" )
 }
 
 # Constants
-our $lcov_version	= 'LCOV version 1.11 pre (CVS $Revision: 1.124 $)';
+our $lcov_version	= 'LCOV version 1.11 pre (CVS $Revision: 1.125 $)';
 our $lcov_url		= "http://ltp.sourceforge.net/coverage/lcov.php";
 our $gcov_tool		= "gcov";
 our $tool_name		= basename($0);
@@ -1899,6 +1899,11 @@ sub get_gcov_version()
 	$version_string = <GCOV_PIPE>;
 	close(GCOV_PIPE);
 
+	# Remove version information in parenthesis to cope with the following:
+	# - gcov (GCC) 4.4.7 20120313 (Red Hat 4.4.7-3)
+	# - gcov (crosstool-NG 1.18.0) 4.7.2
+	$version_string =~ s/\([^\)]*\)//g;
+
 	$result = 0;
 	if ($version_string =~ /(\d+)\.(\d+)(\.(\d+))?/)
 	{