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Require gcc 4.0 or later on Mac OS X to use the hidden attribute.

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This commit is contained in:
Mark Adler
2012-02-18 15:19:44 -08:00
parent 660103339f
commit a75d6ea070
2 changed files with 4 additions and 2 deletions
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3
gzguts.h
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@@ -12,7 +12,8 @@
# endif # endif
#endif #endif
#if ((__GNUC__-0) * 10 + __GNUC_MINOR__-0 >= 33) && !defined(NO_VIZ) #define GCC_VER ((__GNUC__-0) * 100 + __GNUC_MINOR__-0)
#if (GCC_VER >= 303 && !defined(__APPLE__)) || GCC_VER >= 400
# define ZLIB_INTERNAL __attribute__((visibility ("hidden"))) # define ZLIB_INTERNAL __attribute__((visibility ("hidden")))
#else #else
# define ZLIB_INTERNAL # define ZLIB_INTERNAL

3
zutil.h
View File

@@ -13,7 +13,8 @@
#ifndef ZUTIL_H #ifndef ZUTIL_H
#define ZUTIL_H #define ZUTIL_H
#if ((__GNUC__-0) * 10 + __GNUC_MINOR__-0 >= 33) && !defined(NO_VIZ) #define GCC_VER ((__GNUC__-0) * 100 + __GNUC_MINOR__-0)
#if (GCC_VER >= 303 && !defined(__APPLE__)) || GCC_VER >= 400
# define ZLIB_INTERNAL __attribute__((visibility ("hidden"))) # define ZLIB_INTERNAL __attribute__((visibility ("hidden")))
#else #else
# define ZLIB_INTERNAL # define ZLIB_INTERNAL