Restore CXXFLAGS and LIBS correctly when FTGL headers are not present.

 diff -r f30241d62414 ChangeLog

 --- a/ChangeLog	Mon Feb 11 10:11:56 2008 +0100

 +++ b/ChangeLog	Thu Jun 12 10:42:26 2008 +0200

 @@ -1,3 +1,8 @@

 +2008-06-12  Michael Goffioul <michael.goffioul@gmail.com>

 +

 +	* configure.in: Restore CXXFLAGS and LIBS correctly when FTGL headers

 +	are not present.

 +

  2008-06-05  John W. Eaton  <jwe@octave.org>

  	* configure.in: Add FT2_CFLAGS to XTRA_CXXFLAGS, not CXXFLAGS.

 diff -r f30241d62414 configure.in

 --- a/configure.in	Mon Feb 11 10:11:56 2008 +0100

 +++ b/configure.in	Thu Jun 12 10:42:26 2008 +0200

 @@ -662,14 +662,13 @@

  #include <FTGL/FTGLTextureFont.h>], [

  FTGLTextureFont font("");], [

            OPENGL_LIBS="$OPENGL_LIBS $FT2_LIBS -lftgl"

 -	  LIBS="$save_LIBS"

            AC_DEFINE(HAVE_FTGL, 1, [Define to 1 if FTGL is present])

  	  AC_MSG_RESULT(yes)

  	  XTRA_CXXFLAGS="$XTRA_CXXFLAGS $FT2_CFLAGS"],[

 -	  AC_MSG_RESULT(no)])],[

 -          warn_graphics="FTGL library not found. Native renderer will not have on-screen text"])

 -	  LIBS="$save_LIBS"

 -	  CXXFLAGS="$save_CXXFLAGS"

 +	  AC_MSG_RESULT(no)])

 +	LIBS="$save_LIBS"

 +	CXXFLAGS="$save_CXXFLAGS"],[

 +	warn_graphics="FTGL library not found. Native renderer will not have on-screen text"])

      AC_LANG_POP(C++)

    fi

  fi