[llvm] r202546 - [C++11] Switch autoconf and make to use C++11 by default. Now both build
Chandler Carruth
chandlerc at gmail.com
Fri Feb 28 13:47:41 PST 2014
Author: chandlerc
Date: Fri Feb 28 15:47:41 2014
New Revision: 202546
URL: http://llvm.org/viewvc/llvm-project?rev=202546&view=rev
Log:
[C++11] Switch autoconf and make to use C++11 by default. Now both build
systems have the default as C++11, but retain the ability to build with
C++98.
Again, please restrain your enthusiasm a bit in case this needs to be
reverted. =]
Modified:
llvm/trunk/autoconf/configure.ac
llvm/trunk/configure
Modified: llvm/trunk/autoconf/configure.ac
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/autoconf/configure.ac?rev=202546&r1=202545&r2=202546&view=diff
==============================================================================
--- llvm/trunk/autoconf/configure.ac (original)
+++ llvm/trunk/autoconf/configure.ac Fri Feb 28 15:47:41 2014
@@ -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 "$enableval" in
yes) AC_SUBST(ENABLE_CXX11,[1]) ;;
no) AC_SUBST(ENABLE_CXX11,[0]) ;;
- default) AC_SUBST(ENABLE_CXX11,[0]);;
+ default) AC_SUBST(ENABLE_CXX11,[1]);;
*) AC_MSG_ERROR([Invalid setting for --enable-cxx11. Use "yes" or "no"]) ;;
esac
Modified: llvm/trunk/configure
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/configure?rev=202546&r1=202545&r2=202546&view=diff
==============================================================================
--- llvm/trunk/configure (original)
+++ llvm/trunk/configure Fri Feb 28 15:47:41 2014
@@ -1402,7 +1402,7 @@ Optional Features:
--enable-compiler-version-checks
Check the version of the host compiler (default is
YES)
- --enable-cxx11 Use c++11 if available (default is NO)
+ --enable-cxx11 Use c++11 if available (default is YES)
--enable-split-dwarf Use split-dwarf if available (default is NO)
--enable-clang-arcmt Enable building of clang ARCMT (default is YES)
--enable-clang-static-analyzer
@@ -4816,7 +4816,7 @@ case "$enableval" in
;;
no) ENABLE_CXX11=0
;;
- default) ENABLE_CXX11=0
+ default) ENABLE_CXX11=1
;;
*) { { echo "$as_me:$LINENO: error: Invalid setting for --enable-cxx11. Use \"yes\" or \"no\"" >&5
echo "$as_me: error: Invalid setting for --enable-cxx11. Use \"yes\" or \"no\"" >&2;}
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