Refine fenv.h handling: check if the desired macros exist, before using
authorJoerg Sonnenberger <joerg@bec.de>
Mon, 25 Mar 2013 13:13:33 +0000 (13:13 +0000)
committerJoerg Sonnenberger <joerg@bec.de>
Mon, 25 Mar 2013 13:13:33 +0000 (13:13 +0000)
commit8a1177f2aaf9492dda7aa0103934b98db9bb0c6e
tree48bca3bb64bd4376819ab83d1608080bc3c06062
parent7886253fee8e9c1b2832bd8cd1c023d5cf60112b
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
llvm/autoconf/configure.ac
llvm/cmake/config-ix.cmake
llvm/configure
llvm/include/llvm/Config/config.h.in
llvm/include/llvm/Support/FEnv.h