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authorMark Adler <madler@alumni.caltech.edu>2012-02-19 23:31:55 -0800
committerMark Adler <madler@alumni.caltech.edu>2012-02-19 23:33:10 -0800
commit3f4339b61b3737f6efdd55368488f0a5888e4935 (patch)
tree7291783e349ad350707bcc167c5631b82c0e8fe8 /zutil.h
parente6d2a8471b89d1c1d9fd84d14f26f516f5f66238 (diff)
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Improve the detection of no hidden visibility attribute.
Diffstat (limited to 'zutil.h')
-rw-r--r--zutil.h3
1 files changed, 1 insertions, 2 deletions
diff --git a/zutil.h b/zutil.h
index 13ea44d..7a409fa 100644
--- a/zutil.h
+++ b/zutil.h
@@ -13,8 +13,7 @@
13#ifndef ZUTIL_H 13#ifndef ZUTIL_H
14#define ZUTIL_H 14#define ZUTIL_H
15 15
16#define GCC_VER ((__GNUC__-0) * 100 + __GNUC_MINOR__-0) 16#if ((__GNUC__-0) * 100 + __GNUC_MINOR__-0) >= 303 && !defined(NO_VIZ)
17#if ((GCC_VER >= 303 && !defined(__APPLE__)) || GCC_VER >= 400) && !defined(NO_VIZ)
18# define ZLIB_INTERNAL __attribute__((visibility ("hidden"))) 17# define ZLIB_INTERNAL __attribute__((visibility ("hidden")))
19#else 18#else
20# define ZLIB_INTERNAL 19# define ZLIB_INTERNAL