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| author | Joerg Sonnenberger <joerg@bec.de> | 2013-03-25 13:13:33 +0000 |
|---|---|---|
| committer | Joerg Sonnenberger <joerg@bec.de> | 2013-03-25 13:13:33 +0000 |
| commit | 8a1177f2aaf9492dda7aa0103934b98db9bb0c6e (patch) | |
| tree | 48bca3bb64bd4376819ab83d1608080bc3c06062 /llvm/autoconf | |
| parent | 7886253fee8e9c1b2832bd8cd1c023d5cf60112b (diff) | |
| download | bcm5719-llvm-8a1177f2aaf9492dda7aa0103934b98db9bb0c6e.tar.gz bcm5719-llvm-8a1177f2aaf9492dda7aa0103934b98db9bb0c6e.zip | |
Refine fenv.h handling: check if the desired macros exist, before using
it. NetBSD/ARM and TILE-Gx are examples for platforms that have an
unusable fenv.h and this avoids the need for a blacklist.
llvm-svn: 177865
Diffstat (limited to 'llvm/autoconf')
| -rw-r--r-- | llvm/autoconf/configure.ac | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/llvm/autoconf/configure.ac b/llvm/autoconf/configure.ac index 9d61c24e7ab..0097db3d681 100644 --- a/llvm/autoconf/configure.ac +++ b/llvm/autoconf/configure.ac @@ -1493,6 +1493,7 @@ AC_CHECK_HEADERS([sys/mman.h sys/param.h sys/resource.h sys/time.h sys/uio.h]) AC_CHECK_HEADERS([sys/types.h sys/ioctl.h malloc/malloc.h mach/mach.h]) AC_CHECK_HEADERS([valgrind/valgrind.h]) AC_CHECK_HEADERS([fenv.h]) +AC_CHECK_DECLS([FE_ALL_EXCEPT, FE_INEXACT], [], [], [[#include <fenv.h>]]) if test "$LLVM_ENABLE_THREADS" -eq 1 && test "$ENABLE_PTHREADS" -eq 1 ; then AC_CHECK_HEADERS(pthread.h, AC_SUBST(HAVE_PTHREAD, 1), |
