--- configure.ac.old	2007-08-14 03:22:31.000000000 -0400
+++ configure.ac	2007-08-14 03:23:58.000000000 -0400
@@ -11,11 +11,6 @@
 dnl necessary for compiling assembly
 AM_PROG_AS
 
-CFLAGS=
-CPPFLAGS=
-CXXFLAGS=
-CCASFLAGS=
-
 dnl Check for debug build
 AC_MSG_CHECKING(debug build)
 AC_ARG_ENABLE(debug, AC_HELP_STRING([--enable-debug], [debug build]),
@@ -23,16 +18,13 @@
 if test "x$debug" == xyes
 then
  AC_DEFINE(_DEBUG,1,[_DEBUG])
- CFLAGS+=" -g "
- CPPFLAGS+=" -g "
- CXXFLAGS+=" -g "
- CCASFLAGS+=" -D_DEBUG -g "
+ CCASFLAGS+=" -D_DEBUG "
  MYOBJDIR="Debug"
 else
  AC_DEFINE(NDEBUG,1,[NDEBUG])
- CFLAGS+=" -O2 -fomit-frame-pointer "
- CPPFLAGS+=" -O2 -fomit-frame-pointer "
- CXXFLAGS+=" -O2 -fomit-frame-pointer "
+ CFLAGS=" -O2 -fomit-frame-pointer ${CFLAGS} "
+ CPPFLAGS=" -O2 -fomit-frame-pointer ${CPPFLAGS} "
+ CXXFLAGS=" -O2 -fomit-frame-pointer ${CXXFLAGS} "
  MYOBJDIR="Release"
 fi
 AC_MSG_RESULT($debug)