[C++11] Switch autoconf and make to use C++11 by default. Now both build

[oota-llvm.git] / autoconf / configure.ac

diff --git a/autoconf/configure.ac b/autoconf/configure.ac
index 1b9555f25d2aac3a352900abae3f65d14deff9cb..018321591c2501df4ef28b09bcfeec0a2841fa80 100644 (file)
--- a/autoconf/configure.ac
+++ b/autoconf/configure.ac
@@ -592,12 +592,12 @@ esac
 dnl --enable-cxx11 : check whether or not to use -std=c++11 on the command line
 AC_ARG_ENABLE(cxx11,
               AS_HELP_STRING([--enable-cxx11],
-                             [Use c++11 if available (default is NO)]),,
+                             [Use c++11 if available (default is YES)]),,
                              enableval=default)
 case "$enableval" in
   yes) AC_SUBST(ENABLE_CXX11,[1]) ;;
   no)  AC_SUBST(ENABLE_CXX11,[0]) ;;
-  default) AC_SUBST(ENABLE_CXX11,[0]);;
+  default) AC_SUBST(ENABLE_CXX11,[1]);;
   *) AC_MSG_ERROR([Invalid setting for --enable-cxx11. Use "yes" or "no"]) ;;
 esac