llvmpipe: Only use -mssse3 on gcc 4.3+

diff --git a/src/gallium/drivers/llvmpipe/SConscript b/src/gallium/drivers/llvmpipe/SConscript
index 548423cb474baccfa93e563534463344897eb88e..fd6ba1561ea771bae686452a1da324768773cb53 100644 (file)
--- a/src/gallium/drivers/llvmpipe/SConscript
+++ b/src/gallium/drivers/llvmpipe/SConscript
@@ -1,3 +1,5 @@
+import distutils.version
+
 Import('*')
 
 if not env['llvm']:
@@ -26,7 +28,9 @@ env.Depends('lp_tile_soa.c', [
 
 # Only enable SSSE3 for lp_tile_soa_sse3.c
 ssse3_env = env.Clone()
-if env['gcc'] and env['machine'] in ('x86', 'x86_64'):
+if env['gcc'] \
+   and distutils.version.LooseVersion(env['CCVERSION']) >= distutils.version.LooseVersion('4.3') \
+   and env['machine'] in ('x86', 'x86_64') :
     ssse3_env.Append(CCFLAGS = ['-mssse3'])
 lp_tile_soa_os = ssse3_env.SharedObject('lp_tile_soa.c')