1 files changed, 5 insertions, 0 deletions
diff --git a/scons/gallium.py b/scons/gallium.py
index f505a62be56..e11d4dba312 100755
--- a/scons/gallium.py
+++ b/scons/gallium.py
@@ -269,6 +269,11 @@ def generate(env):
             cppdefines += ['HAVE_ALIAS']
         else:
             cppdefines += ['GLX_ALIAS_UNSUPPORTED']
+    if env['platform'] == 'haiku':
+        cppdefines += [
+            'HAVE_PTHREAD',
+            'HAVE_POSIX_MEMALIGN'
+        ]
     if platform == 'windows':
         cppdefines += [
             'WIN32',