Remove libsupc++ stuff, since it doesn't work on OSX 10.4 or with

other (broken) GCC installs.


git-svn-id: file:///fltk/svn/fltk/branches/branch-1.1@4572 ea41ed52-d2ee-0310-a9c1-e6b18d33e121

configure.in

@@ -743,38 +743,6 @@ dnl Add warnings to compiler switches:
 dnl do this last so messing with switches does not break tests
 
 if test -n "$GCC"; then
-    # Starting with GCC 3.0, you must link C++ programs against either
-    # libstdc++ (shared by default), or libsupc++ (always static).  If
-    # you care about binary portability between Linux distributions,
-    # you need to either 1) build your own GCC with static C++ libraries
-    # or 2) link using gcc and libsupc++.  We choose the latter since
-    # CUPS doesn't (currently) use any of the stdc++ library.
-    #
-    # Also, GCC 3.0.x still has problems compiling some code.  You may
-    # or may not have success with it.  USE 3.0.x WITH EXTREME CAUTION!
-    #
-    # Previous versions of GCC do not have the reliance on the stdc++
-    # or g++ libraries, so the extra supc++ library is not needed.
-
-    AC_MSG_CHECKING(if libsupc++ is required)
-
-    SUPC="`$CXX -print-file-name=libsupc++.a 2>/dev/null`"
-    case "$SUPC" in
-    	libsupc++.a*)
-	    # Library not found, so this is and older GCC...
-	    AC_MSG_RESULT(no)
-	    ;;
-	*)
-            # This is gcc 3.x, and it knows of libsupc++, so we need it
-            LIBS="$LIBS -lsupc++"
-            AC_MSG_RESULT(yes)
-	    ;;
-    esac
-
-    if test x$uname != xDarwin; then
-        CXX="$CC"
-    fi
-
     # Show all standard warnings + unused variables, conversion errors,
     # and inlining problems when compiling...
     OPTIM="-Wall -Wunused -Wno-format-y2k $OPTIM"