diff options
Diffstat (limited to 'lib/autoconf/c.m4')
| -rw-r--r-- | lib/autoconf/c.m4 | 13 |
1 files changed, 7 insertions, 6 deletions
diff --git a/lib/autoconf/c.m4 b/lib/autoconf/c.m4 index 601c2df4..14240460 100644 --- a/lib/autoconf/c.m4 +++ b/lib/autoconf/c.m4 @@ -2031,12 +2031,13 @@ AC_DEFUN([AC_C_RESTRICT], nothing if this is not supported. Do not define if restrict is supported only directly. */ #undef restrict -/* Work around a bug in Sun C++ 5.13: it does not support _Restrict or - __restrict__, even though the corresponding Sun C compiler ends up with - "#define restrict _Restrict" or "#define restrict __restrict__". - Perhaps some future version of Sun C++ will work with restrict; - if so, hopefully it defines __RESTRICT like Sun C does. */ -#if defined __SUNPRO_CC && !defined __RESTRICT +/* Work around a bug in older versions of Sun C++, which did not + #define __restrict__ or support _Restrict or __restrict__ + even though the corresponding Sun C compiler ended up with + "#define restrict _Restrict" or "#define restrict __restrict__" + in the previous line. This workaround can be removed once + we assume Oracle Developer Studio 12.5 (2016) or later. */ +#if defined __SUNPRO_CC && !defined __RESTRICT && !defined __restrict__ # define _Restrict # define __restrict__ #endif]) |