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authorKeith Whitwell <[email protected]>2009-02-10 19:22:57 +0000
committerKeith Whitwell <[email protected]>2009-02-10 19:22:57 +0000
commit9c9ba66fbae8089e9423f6b09ad1091cccf9b006 (patch)
tree81ecce3d6b19e5b77fcf31e5f081e1c546f398b9 /scons/gallium.py
parentebb864da9e98003be9ea388013ae4385d341e46f (diff)
parent1e8177ee178b131afa86d874b062a8ae3fae0cca (diff)
Merge commit 'origin/gallium-0.2' into gallium-0.2
Conflicts: src/gallium/state_trackers/wgl/icd/stw_icd.c
Diffstat (limited to 'scons/gallium.py')
-rw-r--r--scons/gallium.py23
1 files changed, 23 insertions, 0 deletions
diff --git a/scons/gallium.py b/scons/gallium.py
index 065c53c54b2..fc1ed08e478 100644
--- a/scons/gallium.py
+++ b/scons/gallium.py
@@ -163,6 +163,25 @@ def createInstallMethods(env):
env.AddMethod(install_shared_library, 'InstallSharedLibrary')
+def num_jobs():
+ try:
+ return int(os.environ['NUMBER_OF_PROCESSORS'])
+ except (ValueError, KeyError):
+ pass
+
+ try:
+ return os.sysconf('SC_NPROCESSORS_ONLN')
+ except (ValueError, OSError, AttributeError):
+ pass
+
+ try:
+ return int(os.popen2("sysctl -n hw.ncpu")[1].read())
+ except ValueError:
+ pass
+
+ return 1
+
+
def generate(env):
"""Common environment generation code"""
@@ -207,6 +226,10 @@ def generate(env):
env.SConsignFile(os.path.join(build_dir, '.sconsign'))
env.CacheDir('build/cache')
+ # Parallel build
+ if env.GetOption('num_jobs') <= 1:
+ env.SetOption('num_jobs', num_jobs())
+
# C preprocessor options
cppdefines = []
if debug: