AC_DEFINE_UNQUOTED([RETSIGTYPE],[void],[assume C89 semantics that RETSIGTYPE is always void])
AC_TYPE_SIZE_T
AC_TYPE_UID_T
+
+ # There are two separate checks for each of the exact-width integer types we
+ # need. First we check whether the type is available using the usual
+ # AC_CHECK_TYPE macro with the default includes (which includes <inttypes.h>
+ # and <stdint.h> where available). We then also use the special type checks of
+ # the form AC_TYPE_UINT32_T, which in the case that uint32_t is not available
+ # directly, #define's uint32_t to be a suitable type.
+
+ AC_CHECK_TYPE(uint32_t,
+ AC_DEFINE(HAVE_UINT32_T, 1, [Define if your compiler provides uint32_t.]),,)
AC_TYPE_UINT32_T
+
+ AC_CHECK_TYPE(uint64_t,
+ AC_DEFINE(HAVE_UINT64_T, 1, [Define if your compiler provides uint64_t.]),,)
AC_TYPE_UINT64_T
+
+ AC_CHECK_TYPE(int32_t,
+ AC_DEFINE(HAVE_INT32_T, 1, [Define if your compiler provides int32_t.]),,)
AC_TYPE_INT32_T
+
+ AC_CHECK_TYPE(int64_t,
+ AC_DEFINE(HAVE_INT64_T, 1, [Define if your compiler provides int64_t.]),,)
AC_TYPE_INT64_T
+
AC_CHECK_TYPE(ssize_t,
AC_DEFINE(HAVE_SSIZE_T, 1, [Define if your compiler provides ssize_t]),,)
+AC_CHECK_TYPE(__uint128_t,
+ AC_DEFINE(HAVE_GCC_UINT128_T, 1, [Define if your compiler provides __uint128_t]),,)
# Sizes of various common basic types
# ANSI C requires sizeof(char) == 1, so no need to check it