scons: Define _USE_MATH_DEFINES on MSVC.

diff --git a/scons/gallium.py b/scons/gallium.py
index bf6172b4d777d226a0c2f10385b79ea0fc531914..9adba0a0a1d9c9508227ff672af3e5ccdd69386c 100644 (file)
--- a/scons/gallium.py
+++ b/scons/gallium.py
@@ -263,6 +263,7 @@ def generate(env):
         if msvc and env['toolchain'] != 'winddk':
             cppdefines += [
                 'VC_EXTRALEAN',
+                '_USE_MATH_DEFINES',
                 '_CRT_SECURE_NO_DEPRECATE',
             ]
         if debug:

diff --git a/scons/generic.py b/scons/generic.py
index a9c2244a74fa1ab63529648b1db5cedbac023f7e..2a085ddece48a90d6e94c7a8fc20387f8f76798d 100644 (file)
--- a/scons/generic.py
+++ b/scons/generic.py
@@ -335,6 +335,7 @@ def generate(env):
         if msvc:
             cppdefines += [
                 'VC_EXTRALEAN',
+                '_USE_MATH_DEFINES',
                 '_CRT_SECURE_NO_DEPRECATE',
             ]
         if debug: