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-rwxr-xr-xscons/gallium.py7
1 files changed, 7 insertions, 0 deletions
diff --git a/scons/gallium.py b/scons/gallium.py
index 70504123d09..b4df1451f20 100755
--- a/scons/gallium.py
+++ b/scons/gallium.py
@@ -642,6 +642,13 @@ def generate(env):
# disable all MSVC extensions.
'-DYY_USE_CONST=',
])
+ # Flex relies on __STDC_VERSION__>=199901L to decide when to include
+ # C99 inttypes.h. We always have inttypes.h available with MSVC
+ # (either the one bundled with MSVC 2013, or the one we bundle
+ # ourselves), but we can't just define __STDC_VERSION__ without
+ # breaking stuff, as MSVC doesn't fully support C99. There's also no
+ # way to premptively include stdint.
+ env.Append(CCFLAGS = ['-FIinttypes.h'])
if host_platform.system() == 'Windows':
# Prefer winflexbison binaries, as not only they are easier to install
# (no additional dependencies), but also better Windows support.