Filter out unknown options from pkg-config files.

2008-08-24  Colin Walters  <walters@verbum.org>

	* tools/g-ir-scanner: Filter out unknown options from
	pkg-config files.

svn path=/trunk/; revision=488

1 files changed, 14 insertions, 2 deletions

diff --git a/tools/g-ir-scanner b/tools/g-ir-scanner
index 48c889e8..c5c8f37e 100755
--- a/tools/g-ir-scanner
+++ b/tools/g-ir-scanner
@@ -137,14 +137,26 @@ def main(args):
     for package in options.packages:
         output = subprocess.Popen(['pkg-config', '--cflags', package], 
                                   stdout=subprocess.PIPE).communicate()[0]
-        pkg_options, unused = parser.parse_args(output.split())
+        # Some pkg-config files on Windows have options we don't understand,
+        # so we explicitly filter to only the ones we need.
+        options_whitelist = ['-I', '-D', '-U', '-l', '-L']
+        def filter_option(opt):
+            for optstart in options_whitelist:
+                if opt.startswith(optstart):
+                    return True
+            return False
+        output = output.split()
+        filtered_output = filter(filter_option, output)
+        pkg_options, unused = parser.parse_args(filtered_output)
         options.cpp_includes.extend(pkg_options.cpp_includes)
         options.cpp_defines.extend(pkg_options.cpp_defines)
         options.cpp_undefines.extend(pkg_options.cpp_undefines)
 
         output = subprocess.Popen(['pkg-config', '--libs-only-L', package],
                                   stdout=subprocess.PIPE).communicate()[0]
-        pkg_options, unused = parser.parse_args(output.split())
+        output = output.split()
+        filtered_output = filter(filter_option, output)
+        pkg_options, unused = parser.parse_args(filtered_output)
         options.library_paths.extend(pkg_options.library_paths)
 
     filenames = []