# 1 "defined-syshdr.c" 1 /* { dg-do preprocess } */ /* { dg-options "-Wexpansion-to-defined" } */ #define defined_outside_sys_hdr defined FOO # 36 "some-system-header.h" 1 3 #define defined_inside_sys_hdr defined FOO /* In a system header, it's acceptable. */ #if defined_outside_sys_hdr /* { dg-bogus "may not be portable" } */ #endif # 16 "defined-syshdr.c" 2 /* Back to _not_ in a system header */ #if defined_outside_sys_hdr /* { dg-message "may not be portable" } */ #endif /* Currently we warn about this, but it is probably a good idea not to. */ #if defined_inside_sys_hdr /* { dg-bogus "may not be portable" "" { xfail *-*-* } } */ #endif int x;