- AC_CACHE_CHECK([whether it is safe to use -Wlogical-op],
- [ac_cv_safe_to_use_Wlogical_op_],
- [save_CFLAGS="$CFLAGS"
- CFLAGS="${W_FAIL} -pedantic -Wlogical-op ${AM_CFLAGS} ${CFLAGS}"
- AC_COMPILE_IFELSE([
- AC_LANG_PROGRAM(
- [[
-#include <stdio.h>
- ]], [[]])
- ],
- [ac_cv_safe_to_use_Wlogical_op_=yes],
- [ac_cv_safe_to_use_Wlogical_op_=no])
- CFLAGS="$save_CFLAGS"])
- AS_IF([test "$ac_cv_safe_to_use_Wlogical_op_" = "yes"],
- [CC_WARNINGS="${CC_WARNINGS} -Wlogical-op"])
-