'configure' might #define 'restrict' to those words, so pick a
different name. */
#ifndef _Restrict_
-# if defined __restrict \
- || 2 < __GNUC__ + (95 <= __GNUC_MINOR__) \
- || __clang_major__ >= 3
+# if defined __restrict || 2 < __GNUC__ + (95 <= __GNUC_MINOR__)
# define _Restrict_ __restrict
# elif 199901L <= __STDC_VERSION__ || defined restrict
# define _Restrict_ restrict
# define _Restrict_
# endif
#endif
-/* For the ISO C99 syntax
- array_name[restrict]
- use glibc's __restrict_arr if available.
- Otherwise, GCC 3.1 and clang support this syntax (but not in C++ mode).
- Other ISO C99 compilers support it as well. */
+/* For [restrict], use glibc's __restrict_arr if available.
+ Otherwise, GCC 3.1 (not in C++ mode) and C99 support [restrict]. */
#ifndef _Restrict_arr_
# ifdef __restrict_arr
# define _Restrict_arr_ __restrict_arr
-# elif ((199901L <= __STDC_VERSION__ \
- || 3 < __GNUC__ + (1 <= __GNUC_MINOR__) \
- || __clang_major__ >= 3) \
- && !defined __cplusplus)
+# elif ((199901L <= __STDC_VERSION__ || 3 < __GNUC__ + (1 <= __GNUC_MINOR__)) \
+ && !defined __GNUG__)
# define _Restrict_arr_ _Restrict_
# else
# define _Restrict_arr_