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| author | Wayne Davison <wayne@opencoder.net> | 2020-06-21 22:34:32 -0700 |
|---|---|---|
| committer | Wayne Davison <wayne@opencoder.net> | 2020-06-21 22:34:32 -0700 |
| commit | d8d2d71663c93cf72f698842074f66f7d548c0da (patch) | |
| tree | 3c9410ec3d6ee2fe7faf1cee045957bf5a0ef92c /configure.ac | |
| parent | 6a9adabfbbebf682c173c1ee1c9322a94cf096be (diff) | |
| download | rsync-d8d2d71663c93cf72f698842074f66f7d548c0da.tar.gz | |
Get the g++ version to see if it is really clang.
Diffstat (limited to 'configure.ac')
| -rw-r--r-- | configure.ac | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/configure.ac b/configure.ac index 135a7e85..df0d8903 100644 --- a/configure.ac +++ b/configure.ac @@ -250,7 +250,9 @@ if test x"$SIMD" != x""; then SIMD='$(SIMD_'"$SIMD)" # We only use c++ for its target attribute dispatching, disable unneeded bulky features CXXFLAGS="$CXXFLAGS -fno-exceptions -fno-rtti" - case "$CXX" in + # Apple often has "g++" as a symlink for clang. Try to find out the truth. + CXX_VERSION=`$CXX --version 2>/dev/null | head -n 2` + case "$CXX_VERSION" in *clang*) CXXFLAGS="$CXXFLAGS -fno-slp-vectorize" ;; # avoid a performance hit esac else |