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mesa: Replace a priori knowledge of gcc attributes with configure tests.

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Note that I had to add support for testing the packed attribute to
m4/ax_gcc_func_attribute.m4.

Reviewed-by: Jason Ekstrand <jason.ekstrand@intel.com> [C bits]
Reviewed-by: Ian Romanick <ian.d.romanick@intel.com>
This commit is contained in:
Matt Turner
2014-09-21 18:14:01 -07:00
parent 4a96df73e7
commit 976464c210
5 changed files with 240 additions and 10 deletions
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6
scons/gallium.py
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@@ -589,7 +589,13 @@ def generate(env):
'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',