diff options
Diffstat (limited to 'configure.ac')
| -rw-r--r-- | configure.ac | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/configure.ac b/configure.ac index 9e635994ef..490b638ee1 100644 --- a/configure.ac +++ b/configure.ac @@ -263,6 +263,7 @@ if test "x$enable_debug" = xyes; then AX_CHECK_PREPROC_FLAG([-DDEBUG],[[DEBUG_CPPFLAGS="$DEBUG_CPPFLAGS -DDEBUG"]],,[[$CXXFLAG_WERROR]]) AX_CHECK_PREPROC_FLAG([-DDEBUG_LOCKORDER],[[DEBUG_CPPFLAGS="$DEBUG_CPPFLAGS -DDEBUG_LOCKORDER"]],,[[$CXXFLAG_WERROR]]) + AX_CHECK_COMPILE_FLAG([-ftrapv],[DEBUG_CXXFLAGS="$DEBUG_CXXFLAGS -ftrapv"],,[[$CXXFLAG_WERROR]]) fi if test x$use_sanitizers != x; then @@ -817,6 +818,14 @@ 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"], |