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-rw-r--r--mesalib/scons/gallium.py3
1 files changed, 3 insertions, 0 deletions
diff --git a/mesalib/scons/gallium.py b/mesalib/scons/gallium.py
index 1c9c0ea32..c3350b3ca 100644
--- a/mesalib/scons/gallium.py
+++ b/mesalib/scons/gallium.py
@@ -361,6 +361,9 @@ def generate(env):
ccflags += ['-O0']
else:
ccflags += ['-O3']
+ # gcc's builtin memcmp is slower than glibc's
+ # http://gcc.gnu.org/bugzilla/show_bug.cgi?id=43052
+ ccflags += ['-fno-builtin-memcmp']
# Work around aliasing bugs - developers should comment this out
ccflags += ['-fno-strict-aliasing']
ccflags += ['-g']