Mercurial > hg
comparison mercurial/util.h @ 19753:2c9645c0a582
util.h: fix gcc version checking
gcc doesn't have a predefined GCC_VERSION macro.
| author | Siddharth Agarwal <sid0@fb.com> |
|---|---|
| date | Thu, 19 Sep 2013 09:45:00 -0700 |
| parents | 06badf7d10dc |
| children | 1935e8383a9e |
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| 19752:11fdf9f754b7 | 19753:2c9645c0a582 |
|---|---|
| 154 #if defined(_MSC_VER) && (_MSC_VER >= 1300) | 154 #if defined(_MSC_VER) && (_MSC_VER >= 1300) |
| 155 static inline uint32_t getbe32(const char *c) | 155 static inline uint32_t getbe32(const char *c) |
| 156 { | 156 { |
| 157 return _byteswap_ulong(*(uint32_t *)c); | 157 return _byteswap_ulong(*(uint32_t *)c); |
| 158 } | 158 } |
| 159 #elif GCC_VERSION >= 403 | 159 #elif __GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 3) |
| 160 static inline uint32_t getbe32(const char *c) | 160 static inline uint32_t getbe32(const char *c) |
| 161 { | 161 { |
| 162 return __builtin_bswap32(*(uint32_t *)c); | 162 return __builtin_bswap32(*(uint32_t *)c); |
| 163 } | 163 } |
| 164 #else | 164 #else |
| 177 static inline void putbe32(uint32_t x, char *c) | 177 static inline void putbe32(uint32_t x, char *c) |
| 178 { | 178 { |
| 179 x = _byteswap_ulong(x); | 179 x = _byteswap_ulong(x); |
| 180 *(uint32_t *)c = x; | 180 *(uint32_t *)c = x; |
| 181 } | 181 } |
| 182 #elif GCC_VERSION >= 403 | 182 #elif __GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 3) |
| 183 static inline void putbe32(uint32_t x, char *c) | 183 static inline void putbe32(uint32_t x, char *c) |
| 184 { | 184 { |
| 185 x = __builtin_bswap32(x); | 185 x = __builtin_bswap32(x); |
| 186 *(uint32_t *)c = x; | 186 *(uint32_t *)c = x; |
| 187 } | 187 } |