Changeset 1299 for trunk/src/emx/include/features.h

Timestamp:

Mar 15, 2004, 4:30:37 PM (21 years ago)

Author:

bird

Message:

Check if stuff is defined before accessing it in #if. Stops -Wundef from bitching.

File:

• trunk/src/emx/include/features.h (modified) (3 diffs, 1 prop)

trunk/src/emx/include/features.h

@@ -22 +22 @@
  *                off_t is 64bits.
  * @changed bird: not GLIBC version numbers.
- * @chagned bird: _GNU_SOURCE should not set _POSIX_SOURCE or _POSIX_C_SOURCE as that
+ * @changed bird: _GNU_SOURCE should not set _POSIX_SOURCE or _POSIX_C_SOURCE as that
  *                means somewhat imporatant exclusions in EMX and BSD style headers.
  *                Some of this have been fixed by __USE_EMX/_EMX_SOURCE, but that's
  *                not gonna help enough.
+ * @changed bird: Check if stuff is defined before accessing it in #if. Stops -Wundef
+ *                from bitching.
  */
 
@@ -200 +202 @@
 #endif /* bird */
 
-#ifdef __EMX__ /* This spawns warnings with -Wundef. */
-#if defined _POSIX_SOURCE || (defined _POSIX_C_SOURCE && _POSIX_C_SOURCE >= 1) || defined _XOPEN_SOURCE
+#if defined _POSIX_SOURCE || (defined _POSIX_C_SOURCE && _POSIX_C_SOURCE >= 1) || defined _XOPEN_SOURCE /* bird: check if defined, -Wundef. */
 # define __USE_POSIX    1
-#endif
-#else
-#if defined _POSIX_SOURCE || _POSIX_C_SOURCE >= 1 || defined _XOPEN_SOURCE
-# define __USE_POSIX    1
-#endif
 #endif
 
@@ -214 +210 @@
 #endif
 
-#if (_POSIX_C_SOURCE - 0) >= 199309L
+#if defined _POSIX_C_SOURCE && (_POSIX_C_SOURCE - 0) >= 199309L /* bird: check if defined, -Wundef. */
 # define __USE_POSIX199309      1
 #endif
 
-#if (_POSIX_C_SOURCE - 0) >= 199506L
+#if defined _POSIX_C_SOURCE && (_POSIX_C_SOURCE - 0) >= 199506L /* bird: check if defined, -Wundef. */
 # define __USE_POSIX199506      1
 #endif