+def pkg_config_modules(env, name, modules):
+ '''Simple wrapper for pkg-config.'''
+
+ env[name] = False
+
+ if env['platform'] == 'windows':
+ return
+
+ if not env.Detect('pkg-config'):
+ return
+
+ if subprocess.call(["pkg-config", "--exists", ' '.join(modules)]) != 0:
+ return
+
+ # Put -I and -L flags directly into the environment, as these don't affect
+ # the compilation of targets that do not use them
+ try:
+ env.ParseConfig('pkg-config --cflags-only-I --libs-only-L ' + ' '.join(modules))
+ except OSError:
+ return
+
+ # Other flags may affect the compilation of unrelated targets, so store
+ # them with a prefix, (e.g., XXX_CFLAGS, XXX_LIBS, etc)
+ try:
+ flags = env.ParseFlags('!pkg-config --cflags-only-other --libs-only-l --libs-only-other ' + ' '.join(modules))
+ except OSError:
+ return
+ prefix = name.upper() + '_'
+ for flag_name, flag_value in flags.iteritems():
+ env[prefix + flag_name] = flag_value
+
+ env[name] = True
+
+
+