Is there a blessed way to see whether the compiler we're using is an external compiler, or an internal one?
eg, the version check isn't enough - it's just a number. how do I know if it's freebsd clang versus upstream clang? (Or in my instance, freebsd-gcc versus upstream-gcc.) -a On 8 July 2015 at 14:09, Pedro Giffuni <p...@freebsd.org> wrote: > > > On 07/08/15 13:36, Luigi Rizzo wrote: >> >> Author: luigi >> Date: Wed Jul 8 18:36:37 2015 >> New Revision: 285284 >> URL: https://svnweb.freebsd.org/changeset/base/285284 >> >> Log: >> only enable immintrin when clang is used. The base gcc does not support >> it. >> Reviewed by: delphij >> >> Modified: >> head/lib/liblzma/config.h >> >> Modified: head/lib/liblzma/config.h >> >> ============================================================================== >> --- head/lib/liblzma/config.h Wed Jul 8 18:12:24 2015 (r285283) >> +++ head/lib/liblzma/config.h Wed Jul 8 18:36:37 2015 (r285284) >> @@ -150,7 +150,8 @@ >> #define HAVE_ICONV 1 >> /* Define to 1 if you have the <immintrin.h> header file. */ >> -#if defined(__FreeBSD__) && defined(__amd64__) >> +/* FreeBSD - only with clang because the base gcc does not support it */ >> +#if defined(__clang__) && defined(__FreeBSD__) && defined(__amd64__) >> #define HAVE_IMMINTRIN_H 1 >> #endif >> > > FWIW, gcc 4.3+ does have it so this may some undesired (but hidden) > effect when building with an external gcc. > > Pedro. > _______________________________________________ svn-src-all@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/svn-src-all To unsubscribe, send any mail to "svn-src-all-unsubscr...@freebsd.org"
