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authorJose Fonseca <jfonseca@vmware.com>2015-03-19 11:53:36 +0000
committerJose Fonseca <jfonseca@vmware.com>2015-03-22 08:23:24 +0000
commit015e8b6384bbdba8421c5dafd4783dba4d3a9182 (patch)
tree2feec96fc41b86480bd090c8adbaff594b4ca5ac /scons
parent357d1fc81aceec6dda866ea74962ee2ddf3aa350 (diff)
scons: Define YY_USE_CONST on MSVC.
This prevents the MSVC from warning C4090: 'function' : different 'const' qualifiers when compiling flex generated lexers. Reviewed-by: Brian Paul <brianp@vmware.com>
Diffstat (limited to 'scons')
-rwxr-xr-xscons/gallium.py8
1 files changed, 8 insertions, 0 deletions
diff --git a/scons/gallium.py b/scons/gallium.py
index 2b115267a8e..9924f1e7dce 100755
--- a/scons/gallium.py
+++ b/scons/gallium.py
@@ -622,6 +622,14 @@ def generate(env):
# Load tools
env.Tool('lex')
+ if env['msvc']:
+ env.Append(LEXFLAGS = [
+ # Force flex to use const keyword in prototypes, as relies on
+ # __cplusplus or __STDC__ macro to determine whether it's safe to
+ # use const keyword, but MSVC never defines __STDC__ unless we
+ # disable all MSVC extensions.
+ '-DYY_USE_CONST=',
+ ])
env.Tool('yacc')
if env['llvm']:
env.Tool('llvm')