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support visibility attribute with gcc/clang - refs #1826

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This commit is contained in:
Dane Springmeyer 2013-05-09 17:07:58 -07:00
parent 5bb1c067af
commit 7c4adea08e
1 changed files with 7 additions and 1 deletions
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8
include/mapnik/config.hpp
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@ -39,9 +39,15 @@
# pragma warning(disable : 4996) //_CRT_SECURE_NO_DEPRECATE
# endif
#else
# if __GNUC__ >= 4
# define MAPNIK_EXP __attribute__ ((visibility ("default")))
# define MAPNIK_DECL __attribute__ ((visibility ("default")))
# define MAPNIK_IMP __attribute__ ((visibility ("default")))
# else
# define MAPNIK_EXP
# define MAPNIK_IMP
# define MAPNIK_DECL
# define MAPNIK_IMP
# endif
#endif
#define PROJ_ENVELOPE_POINTS 20