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authorAlexander von Gluck IV <kallisti5@unixzen.com>2012-06-14 08:08:07 -0700
committerAlexander von Gluck IV <kallisti5@unixzen.com>2012-06-14 08:08:17 -0700
commitcb3054c849d8485af53da6a61b31b5c4e4eeb95d (patch)
treed009805968d8ea59357482c59fa6bb5b7b1feed1 /scons/gallium.py
parentc1dcf9665c770d25ba8cbe827f4e3e69349d2665 (diff)
scons: Fix Haiku binary optimizations
Haiku targets the Pentium or higher processor. To ensure compatibility we can do march 586 and mtune 686. Mesa will still use sse however if the cpu supports it (and the stack is properly aligned). These flags only effect the internal compiler optimizations.
Diffstat (limited to 'scons/gallium.py')
-rwxr-xr-xscons/gallium.py11
1 files changed, 10 insertions, 1 deletions
diff --git a/scons/gallium.py b/scons/gallium.py
index 2fa80db8858..ee91ca44417 100755
--- a/scons/gallium.py
+++ b/scons/gallium.py
@@ -327,7 +327,8 @@ def generate(env):
#'-march=pentium4',
]
if distutils.version.LooseVersion(ccversion) >= distutils.version.LooseVersion('4.2') \
- and (platform != 'windows' or env['build'] == 'debug' or True):
+ and (platform != 'windows' or env['build'] == 'debug' or True) \
+ and platform != 'haiku':
# NOTE: We need to ensure stack is realigned given that we
# produce shared objects, and have no control over the stack
# alignment policy of the application. Therefore we need
@@ -346,6 +347,14 @@ def generate(env):
if platform in ['windows', 'darwin']:
# Workaround http://gcc.gnu.org/bugzilla/show_bug.cgi?id=37216
ccflags += ['-fno-common']
+ if platform in ['haiku']:
+ # Make optimizations compatible with Pentium or higher on Haiku
+ ccflags += [
+ '-mstackrealign', # ensure stack is aligned
+ '-march=i586', # Haiku target is Pentium
+ '-mtune=i686', # use i686 where we can
+ '-mmmx' # use mmx math where we can
+ ]
if env['machine'] == 'x86_64':
ccflags += ['-m64']
if platform == 'darwin':