AX_NOT_ENABLE_FRAME_POINTER ([shellvar])
, 

2005-01-22

Guido U. Draheim <guidod@gmx.de>

GPLWithACException
This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation. As a special exception, the respective Autoconf Macro's copyright owner gives unlimited permission to copy, distribute and modify the configure scripts that are the output of Autoconf when processing the Macro. You need not follow the terms of the GNU General Public License when using or distributing such scripts

guidod's C Support (released)

add --enable-frame-pointer option, the default will add the gcc --fomit-frame-pointer option to the shellvar (per default CFLAGS) and remove the " -g " debuginfo option from it. In other words, the default is "--disable-frame-pointer"

AC_DEFUN([AX_NOT_ENABLE_FRAME_POINTER],[dnl
AS_VAR_PUSHDEF([VAR],[enable_frame_pointer])dnl
AC_MSG_CHECKING([m4_ifval($1,$1,CFLAGS) frame-pointer])
AC_ARG_ENABLE([frame-pointer], AC_HELP_STRING(
  [--enable-frame-pointer],[enable callframe generation for debugging]))
case ".$VAR" in
  .|.no|.no,*) test ".$VAR" = "." && VAR="no"
     m4_ifval($1,$1,CFLAGS)=`echo dnl
  " $m4_ifval($1,$1,CFLAGS) " | sed -e 's/ -g / /'`
     if test ".$GCC" = ".yes" ; then
        m4_ifval($1,$1,CFLAGS)="$m4_ifval($1,$1,CFLAGS) -fomit-frame-pointer"
        AC_MSG_RESULT([$VAR, -fomit-frame-pointer added])
     else
        AC_MSG_RESULT([$VAR, -g removed])
     fi  ;;
   *)  AC_MSG_RESULT([$VAR, kept]) ;;
esac
AS_VAR_POPDEF([VAR])dnl
])