diff options
| -rw-r--r-- | configure.ac | 8 | ||||
| -rw-r--r-- | shared/macro.h | 2 |
2 files changed, 9 insertions, 1 deletions
diff --git a/configure.ac b/configure.ac index 3ba65cc..ecf3e83 100644 --- a/configure.ac +++ b/configure.ac @@ -65,6 +65,14 @@ AC_COMPILE_IFELSE( AC_MSG_RESULT([yes])], [AC_MSG_RESULT([no])]) +AC_MSG_CHECKING([whether _Noreturn is supported]) +AC_COMPILE_IFELSE( + [AC_LANG_SOURCE([[_Noreturn int foo(void) { exit(0); }]])], + [AC_DEFINE([HAVE_NORETURN], [1], [Define if _Noreturn is available]) + AC_MSG_RESULT([yes])], + [AC_MSG_RESULT([no])]) + + ##################################################################### # --with- ##################################################################### diff --git a/shared/macro.h b/shared/macro.h index a081a49..4fc5405 100644 --- a/shared/macro.h +++ b/shared/macro.h @@ -63,7 +63,7 @@ /* Define C11 noreturn without <stdnoreturn.h> and even on older gcc * compiler versions */ #ifndef noreturn -#if __STDC_VERSION__ >= 201112L +#if defined(HAVE_NORETURN) #define noreturn _Noreturn #else #define noreturn __attribute__((noreturn)) |