[cxx-conversion] Switch default to build in C++

[Diego Novillo]

This patch makes the branch to build in C++ mode by default.

Tested on x86_64.  Committed.


ChangeLog.cxx-conversion
        * configure.ac (ENABLE_BUILD_WITH_CXX): Default to 'yes'.
        * configure: Regenerate.

gcc/ChangeLog.cxx-conversion
        * configure.ac (ENABLE_BUILD_WITH_CXX): Default to 'yes'.
        * configure: Regenerate.

libcpp/ChangeLog.cxx-conversion
        * configure.ac (ENABLE_BUILD_WITH_CXX): Default to 'yes'.
        * configure: Regenerate.

Index: configure.ac
===================================================================
--- configure.ac        (revision 186326)
+++ configure.ac        (working copy)
@@ -1191,7 +1191,7 @@
 [AS_HELP_STRING([--enable-build-with-cxx],
                [build with C++ compiler instead of C compiler])],
 ENABLE_BUILD_WITH_CXX=$enableval,
-ENABLE_BUILD_WITH_CXX=no)
+ENABLE_BUILD_WITH_CXX=yes)
 
 # Build stage1 with C and build stages 2 and 3 with C++.
 AC_ARG_ENABLE(build-poststage1-with-cxx,
Index: gcc/configure.ac
===================================================================
--- gcc/configure.ac    (revision 186326)
+++ gcc/configure.ac    (working copy)
@@ -608,7 +608,7 @@
 [AS_HELP_STRING([--enable-build-with-cxx],
                [build with C++ compiler instead of C compiler])],
 ENABLE_BUILD_WITH_CXX=$enableval,
-ENABLE_BUILD_WITH_CXX=no)
+ENABLE_BUILD_WITH_CXX=yes)
 AC_SUBST(ENABLE_BUILD_WITH_CXX)
 if test "$ENABLE_BUILD_WITH_CXX" = "yes"; then
   AC_DEFINE(ENABLE_BUILD_WITH_CXX, 1,
Index: libcpp/configure.ac
===================================================================
--- libcpp/configure.ac (revision 186326)
+++ libcpp/configure.ac (working copy)
@@ -22,7 +22,7 @@
 AC_ARG_ENABLE(build-with-cxx,
 [  --enable-build-with-cxx build with C++ compiler instead of C compiler],
 ENABLE_BUILD_WITH_CXX=$enableval,
-ENABLE_BUILD_WITH_CXX=no)
+ENABLE_BUILD_WITH_CXX=yes)
 AC_SUBST(ENABLE_BUILD_WITH_CXX)
 
 MISSING=`cd $ac_aux_dir && ${PWDCMD-pwd}`/missing