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| author | Chun Kuan Lee <ken2812221@gmail.com> | 2018-07-01 13:58:37 +0000 |
|---|---|---|
| committer | Chun Kuan Lee <ken2812221@gmail.com> | 2018-07-01 15:37:28 +0000 |
| commit | 49d1f4cdde6d3289cb8c18ad35fc739371e25388 (patch) | |
| tree | 94b199414d29ad742b3ed089a5014123cd03d922 /configure.ac | |
| parent | 686e97a0c7358291d628213447cf33e99cde7ce8 (diff) | |
Detect if char equals int8_t
Diffstat (limited to 'configure.ac')
| -rw-r--r-- | configure.ac | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/configure.ac b/configure.ac index e4142f5762..9fba9d0851 100644 --- a/configure.ac +++ b/configure.ac @@ -808,6 +808,14 @@ AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <sys/types.h> [ AC_MSG_RESULT(no)] ) +AC_MSG_CHECKING(for if type char equals int8_t) +AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <stdint.h> + #include <type_traits>]], + [[ static_assert(std::is_same<int8_t, char>::value, ""); ]])], + [ AC_MSG_RESULT(yes); AC_DEFINE(CHAR_EQUALS_INT8, 1,[Define this symbol if type char equals int8_t]) ], + [ AC_MSG_RESULT(no)] +) + # Check for reduced exports if test x$use_reduce_exports = xyes; then AX_CHECK_COMPILE_FLAG([-fvisibility=hidden],[RE_CXXFLAGS="-fvisibility=hidden"], |