Make --enable-cxx default to "yes"

git-svn-id: https://svn.osgeo.org/grass/grass/trunk@48564 15284696-431f-4ddb-bdfa-cd5b030d7da7

configure

@@ -19,7 +19,7 @@ ac_help="$ac_help
 ac_help="$ac_help
   --enable-w11            use W11 library for Windows X11 emulation"
 ac_help="$ac_help
-  --with-cxx              support C++ functionality (default: no)"
+  --with-cxx              support C++ functionality (default: yes)"
 ac_help="$ac_help
   --with-macosx-archs[=arch list]
                           compile multiple architectures on MacOSX, ie.
@@ -1590,7 +1590,7 @@ if test "${with_cxx+set}" = set; then
   withval="$with_cxx"
   :
 else
-  with_cxx=no
+  with_cxx=yes
 fi
 
 

configure.in

@@ -230,7 +230,7 @@ AC_ARG_ENABLE(w11,
 
 # With options
 
-LOC_ARG_WITH(cxx, C++, no)
+LOC_ARG_WITH(cxx, C++)
 #LOC_ARG_WITH(g77, GNU Fortran 77, no)
 
 AC_ARG_WITH(macosx-archs,