diff options
Diffstat (limited to 'erts/configure.in')
| -rw-r--r-- | erts/configure.in | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/erts/configure.in b/erts/configure.in index 12dfb9b19b..94297df77e 100644 --- a/erts/configure.in +++ b/erts/configure.in @@ -3551,6 +3551,26 @@ AH_BOTTOM([ #endif ]) + +dnl ---------------------------------------------------------------------- +dnl Check for GCC diagnostic ignored "-Waddress-of-packed-member" +dnl ---------------------------------------------------------------------- +saved_CFLAGS="$CFLAGS" +CFLAGS="-Werror $CFLAGS" +AC_TRY_COMPILE([], + [_Pragma("GCC diagnostic push") + _Pragma("GCC diagnostic ignored \"-Waddress-of-packed-member\"") + _Pragma("GCC diagnostic pop") + ], + AC_DEFINE(HAVE_GCC_DIAG_IGNORE_WADDRESS_OF_PACKED_MEMBER,[1], + [define if compiler support _Pragma('GCC diagnostic ignored '-Waddress-of-packed-member'')])) +CFLAGS="$saved_CFLAGS" + + +dnl ---------------------------------------------------------------------- +dnl Enable any -Werror flags +dnl ---------------------------------------------------------------------- + if test "x$GCC" = xyes; then CFLAGS="$WERRORFLAGS $CFLAGS" fi |