CFLAGS="$CFLAGS -Wall -Werror"
AC_COMPILE_IFELSE(
[AC_LANG_SOURCE(
- [void test(void) __attribute__ (($1));
- void test(void) { return; }
+ [void *test(void) __attribute__ (($1));
+ void *test(void) { return (void *)0; }
],
)],
[tinc_cv_attribute_$1=yes],