gallium: Move sRGB <-> RGB handling to libmesautil

Signed-off-by: Jason Ekstrand <jason.ekstrand@intel.com>
Reviewed-by: Marek Olšák <marek.olsak@amd.com>

src/util/SConscript

@@ -11,10 +11,20 @@ env.Prepend(CPPPATH = [
     '#src/util',
 ])
 
+env.CodeGenerate(
+    target = 'format_srgb.c',
+    script = 'format_srgb.py',
+    source = [],
+    command = python_cmd + ' $SCRIPT > $TARGET'
+)
+
 # parse Makefile.sources
 source_lists = env.ParseSourceList('Makefile.sources')
 
-mesautil_sources = source_lists['MESA_UTIL_FILES']
+mesautil_sources = (
+    source_lists['MESA_UTIL_FILES'] +
+    source_lists['MESA_UTIL_GENERATED_FILES']
+)
 
 mesautil = env.ConvenienceLibrary(
     target = 'mesautil',