diff --git a/wmhdplop/configure.ac b/wmhdplop/configure.ac
index 5253138..b40038b 100644
--- a/wmhdplop/configure.ac
+++ b/wmhdplop/configure.ac
@@ -2,6 +2,7 @@ AC_INIT([wmhdplop], [0.9.12], [wmaker-dev@googlegroups.com])
 AC_CONFIG_SRCDIR(wmhdplop.c)
 AM_INIT_AUTOMAKE
 AC_CONFIG_HEADERS([config.h])
+LT_INIT([shared])
 
 AC_SUBST(VERSION)
 
@@ -17,11 +18,6 @@ AC_PROG_CC
 AC_DEFINE(ENABLE_HDDTEMP_QUERY,[],[enable queries to hddtemp])
 AC_DEFINE(_GNU_SOURCE,[],[uses GNU extensions])
 
-
-if test x$GCC = xyes; then
-  CFLAGS="-O3 -fomit-frame-pointer -ffast-math -Wall -W";
-fi
-
 dnl check for X
 AC_PATH_X
 AC_PATH_XTRA