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swiglabels.swg: added check if __GNUC__ is defined

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It makes sense to check if the preprocessor definition __GNUC__ is defined before using it as a value.
This commit is contained in:
Johan Gustavsson 2016-02-13 13:49:07 +01:00
commit 628e9a79f6
1 changed files with 5 additions and 3 deletions
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8
Lib/swiglabels.swg
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@ -65,9 +65,11 @@
#endif
/* exporting methods */
#if (__GNUC__ >= 4) || (__GNUC__ == 3 && __GNUC_MINOR__ >= 4)
# ifndef GCC_HASCLASSVISIBILITY
# define GCC_HASCLASSVISIBILITY
#if defined(__GNUC__)
# if (__GNUC__ >= 4) || (__GNUC__ == 3 && __GNUC_MINOR__ >= 4)
# ifndef GCC_HASCLASSVISIBILITY
# define GCC_HASCLASSVISIBILITY
# endif
# endif
#endif