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Use __has_declspec_attribute to determine support

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Don 2018-03-08 12:38:39 -08:00 committed by GitHub
parent 533843e354
commit 228ee3c269
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1 changed files with 9 additions and 1 deletions
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10
c/include/brotli/port.h
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@ -27,6 +27,14 @@
#define __has_feature(x) 0
#endif
#ifndef __has_declspec_attribute
#if defined(_WIN32)
#define __has_declspec_attribute(x) 1
#else
#define __has_declspec_attribute(x) 0
#endif
#endif
#if defined(__GNUC__) && defined(__GNUC_MINOR__)
#define BROTLI_GCC_VERSION (__GNUC__ * 100 + __GNUC_MINOR__)
#else
@ -47,7 +55,7 @@
#define BROTLI_MODERN_COMPILER 0
#endif
#if defined(BROTLI_SHARED_COMPILATION) && defined(_WIN32)
#if defined(BROTLI_SHARED_COMPILATION) && (__has_declspec_attribute(dllexport) && __has_declspec_attribute(dllimport))
#if defined(BROTLICOMMON_SHARED_COMPILATION)
#define BROTLI_COMMON_API __declspec(dllexport)
#else