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authorTim Rowley <timothy.o.rowley@intel.com>2016-04-14 18:23:33 -0500
committerTim Rowley <timothy.o.rowley@intel.com>2016-04-15 14:43:01 -0500
commit082f6d75aef4e672b6e41ee77630d3add7e1ef5d (patch)
tree39e1b19634ae7ad098c01e95cdd3fa9029270da7 /configure.ac
parentee72fec9cfaddfef78a112f0b8d2f3f7f67a6535 (diff)
gallium/swr: confine c++11 flag to swr driver
On the philosophy that a driver shouldn't change the compile flags for the entire tree, take the clove approach of moving the c++11 flag to the swr driver directory. Reviewed-by: Emil Velikov <emil.velikov@collabora.com>
Diffstat (limited to 'configure.ac')
-rw-r--r--configure.ac9
1 files changed, 7 insertions, 2 deletions
diff --git a/configure.ac b/configure.ac
index 4a41d8f973..c9086ac196 100644
--- a/configure.ac
+++ b/configure.ac
@@ -2265,15 +2265,20 @@ if test -n "$with_gallium_drivers"; then
fi
;;
xswr)
- AX_CXX_COMPILE_STDCXX([11], [noext], [mandatory])
swr_llvm_check "swr"
- AC_MSG_CHECKING([whether $CXX supports AVX/AVX2])
+ AC_MSG_CHECKING([whether $CXX supports c++11/AVX/AVX2])
AVX_CXXFLAGS="-march=core-avx-i"
AVX2_CXXFLAGS="-march=core-avx2"
AC_LANG_PUSH([C++])
save_CXXFLAGS="$CXXFLAGS"
+ CXXFLAGS="-std=c++11 $CXXFLAGS"
+ AC_COMPILE_IFELSE([AC_LANG_PROGRAM()],[],
+ [AC_MSG_ERROR([c++11 compiler support not detected])])
+ CXXFLAGS="$save_CXXFLAGS"
+
+ save_CXXFLAGS="$CXXFLAGS"
CXXFLAGS="$AVX_CXXFLAGS $CXXFLAGS"
AC_COMPILE_IFELSE([AC_LANG_PROGRAM()],[],
[AC_MSG_ERROR([AVX compiler support not detected])])