--- a/configure.in
+++ b/configure.in
@@ -4,15 +4,14 @@
 AM_CONFIG_HEADER(config.h)
 AC_PROG_MAKE_SET
 
-USER_CFLAGS=$CFLAGS
-
 dnl Checks for programs.
 AC_PROG_CC
 AC_ISC_POSIX
+AM_PROG_AR
 AC_PROG_RANLIB
 
 
-CFLAGS="-g -O2 -Wall -Wimplicit $USER_CFLAGS"
+CFLAGS="${CFLAGS} -Wall -Wimplicit"
 dnl Checks for library functions.
 AC_ARG_ENABLE(client, [  --disable-client        disable libggi detection (can only build server)],
 			if test $enableval == no; then