am 8c6b848e: am 0e47a919: Merge "libc: <sys/cdefs.h>: Fix the use of __STDC_VERSION__ from C++"
* commit '8c6b848e435b86db58179763da30008ac7d4c24a':
libc: <sys/cdefs.h>: Fix the use of __STDC_VERSION__ from C++
diff --git a/libc/include/sys/cdefs.h b/libc/include/sys/cdefs.h
index 9b6da31..92035d4 100644
--- a/libc/include/sys/cdefs.h
+++ b/libc/include/sys/cdefs.h
@@ -79,7 +79,7 @@
#define ___STRING(x) __STRING(x)
#define ___CONCAT(x,y) __CONCAT(x,y)
-#if __STDC__ || defined(__cplusplus)
+#if defined(__STDC__) || defined(__cplusplus)
#define __P(protos) protos /* full-blown ANSI C */
#define __CONCAT(x,y) x ## y
#define __STRING(x) #x
@@ -213,7 +213,7 @@
* C99 defines the restrict type qualifier keyword, which was made available
* in GCC 2.92.
*/
-#if __STDC_VERSION__ >= 199901L
+#if defined(__STDC__VERSION__) && __STDC_VERSION__ >= 199901L
#define __restrict restrict
#else
#if !__GNUC_PREREQ__(2, 92)
@@ -225,7 +225,7 @@
* C99 defines __func__ predefined identifier, which was made available
* in GCC 2.95.
*/
-#if !(__STDC_VERSION__ >= 199901L)
+#if !defined(__STDC_VERSION__) || !(__STDC_VERSION__ >= 199901L)
#if __GNUC_PREREQ__(2, 6)
#define __func__ __PRETTY_FUNCTION__
#elif __GNUC_PREREQ__(2, 4)