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[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. =]

llvm-svn: 202546
This commit is contained in:
Chandler Carruth 2014-02-28 21:47:41 +00:00
parent e587c0853b
commit f92205336d
2 changed files with 4 additions and 4 deletions
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4
llvm/autoconf/configure.ac
View File

@ -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

4
llvm/configure vendored
View File

@ -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;}