scons: Fix HAVE___* definition.

These definitions must be moved before `cppdefines` is used to have effect.

Trivial.

diff --git a/scons/gallium.py b/scons/gallium.py
index 5195508..711aa3b 100755 (executable)
--- a/scons/gallium.py
+++ b/scons/gallium.py
@@ -342,6 +342,29 @@ def generate(env):
         print 'warning: Floating-point textures enabled.'
         print 'warning: Please consult docs/patents.txt with your lawyer before building Mesa.'
         cppdefines += ['TEXTURE_FLOAT_ENABLED']
+    if gcc_compat:
+        ccversion = env['CCVERSION']
+        cppdefines += [
+            'HAVE___BUILTIN_EXPECT',
+            'HAVE___BUILTIN_FFS',
+            'HAVE___BUILTIN_FFSLL',
+            'HAVE_FUNC_ATTRIBUTE_FLATTEN',
+        ]
+        if distutils.version.LooseVersion(ccversion) >= distutils.version.LooseVersion('3'):
+            cppdefines += [
+                'HAVE_FUNC_ATTRIBUTE_FORMAT',
+                'HAVE_FUNC_ATTRIBUTE_PACKED',
+            ]
+        if distutils.version.LooseVersion(ccversion) >= distutils.version.LooseVersion('3.4'):
+            cppdefines += [
+                'HAVE___BUILTIN_CTZ',
+                'HAVE___BUILTIN_POPCOUNT',
+                'HAVE___BUILTIN_POPCOUNTLL',
+                'HAVE___BUILTIN_CLZ',
+                'HAVE___BUILTIN_CLZLL',
+            ]
+        if distutils.version.LooseVersion(ccversion) >= distutils.version.LooseVersion('4.5'):
+            cppdefines += ['HAVE___BUILTIN_UNREACHABLE']
     env.Append(CPPDEFINES = cppdefines)
 
     # C compiler options
@@ -584,30 +607,6 @@ def generate(env):
             env.Append(CCFLAGS = ['-fopenmp'])
             env.Append(LIBS = ['gomp'])
 
-    if gcc_compat:
-        ccversion = env['CCVERSION']
-        cppdefines += [
-            'HAVE___BUILTIN_EXPECT',
-            'HAVE___BUILTIN_FFS',
-            'HAVE___BUILTIN_FFSLL',
-            'HAVE_FUNC_ATTRIBUTE_FLATTEN',
-        ]
-        if distutils.version.LooseVersion(ccversion) >= distutils.version.LooseVersion('3'):
-            cppdefines += [
-                'HAVE_FUNC_ATTRIBUTE_FORMAT',
-                'HAVE_FUNC_ATTRIBUTE_PACKED',
-            ]
-        if distutils.version.LooseVersion(ccversion) >= distutils.version.LooseVersion('3.4'):
-            cppdefines += [
-                'HAVE___BUILTIN_CTZ',
-                'HAVE___BUILTIN_POPCOUNT',
-                'HAVE___BUILTIN_POPCOUNTLL',
-                'HAVE___BUILTIN_CLZ',
-                'HAVE___BUILTIN_CLZLL',
-            ]
-        if distutils.version.LooseVersion(ccversion) >= distutils.version.LooseVersion('4.5'):
-            cppdefines += ['HAVE___BUILTIN_UNREACHABLE']
-
     # Load tools
     env.Tool('lex')
     env.Tool('yacc')