1 files changed, 1 insertions, 0 deletions
diff --git a/scons/gallium.py b/scons/gallium.py
index 711aa3b1c7..c34468fb67 100755
--- a/scons/gallium.py
+++ b/scons/gallium.py
@@ -283,6 +283,7 @@ def generate(env):
             '_SVID_SOURCE',
             '_BSD_SOURCE',
             '_GNU_SOURCE',
+            '_DEFAULT_SOURCE',
             'HAVE_PTHREAD',
             'HAVE_POSIX_MEMALIGN',
         ]