Fix to detection of gcc version on OS/2.

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/branches/WX_2_4_BRANCH@24092 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

configure.in

@@ -1366,8 +1366,6 @@ dnl ---------------------------------------------------------------------------
 dnl (OS/2-only piece)
 case "${host}" in
   *-pc-os2_emx | *-pc-os2-emx )
-      dnl Explicitly link -lstdcpp, since we are using "gcc" not "g++"/"c++".
-      LIBS="$LIBS -lstdcpp"
       if test "$wxUSE_MOTIF" = 1 -o "$wxUSE_GTK" = 1 -o "$wxUSE_X11" = 1; then
           dnl More complete Unix emulation for unix-like ports
           dnl by linking in POSIX/2's cExt (if available).
@@ -1377,7 +1375,7 @@ case "${host}" in
           RESPROGRAMOBJ="\${top_srcdir}/include/wx/os2/wx.res"
       fi
       AC_CACHE_CHECK([for gcc 3 or later], wx_cv_gcc3,[
-          AC_TRY_COMPILE([#include <features.h>],
+          AC_TRY_COMPILE([],
               [
                   #if (__GNUC__ < 3)
                       #error old gcc