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Detect internal system component build macros in <features.h>.

This commit is contained in:
Jonas 'Sortie' Termansen 2013-09-23 00:05:38 +02:00
parent 798554f21c
commit bea3ed6f50
1 changed files with 15 additions and 1 deletions
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16
libc/include/features.h
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@ -27,6 +27,20 @@
#define __sortix_libc__ 1
/* Detect whether we are a core system library. */
#if __is_sortix_libc || __is_sortix_libm
#if !defined(__is_sortix_system_library)
#define __is_sortix_system_library 1
#endif
#endif
/* Detect whether we are a core system component. */
#if __is_sortix_kernel || __is_sortix_system_library
#if !defined(__is_sortix_system_component)
#define __is_sortix_system_component 1
#endif
#endif
/* Support macro to ease testing the compiler version. */
#define __GCC_PREREQ(gcc_major, gcc_minor) \
(((gcc_major) == __GNUC__ && (gcc_minor) >= __GNUC_MINOR__) || \
@ -52,7 +66,7 @@
#endif
/* Sortix system components implicitly use the native API. */
#if __is_sortix_libc || __is_sortix_kernel
#if __is_sortix_system_component
#define _SORTIX_SOURCE 1
#endif