https://gcc.gnu.org/bugzilla/show_bug.cgi?id=61649
--- Comment #4 from Richard PALO <richard at netbsd dot org> --- > > The test/base/sys/feature_tests.h patch is as follows: > --- fixincludes/tests/base/sys/feature_tests.h.orig 2010-06-21 > 15:27:29.000000000 +0000 > +++ fixincludes/tests/base/sys/feature_tests.h > @@ -10,6 +10,7 @@ > > > #if defined( SOLARIS___RESTRICT_CHECK ) > +#if (defined(__STDC__) && defined(_STDC_C99)) > #ifdef __cplusplus > #define _RESTRICT_KYWD __restrict > #else Perhaps I should remind as well that the file is a diff with only a certain number of lines as context... so in that respect, it isn't necessary either.