- Remove hardcoded CFLAGS and -Werror flags
- Fix underlinking caused by missing x11 dependency:
* ../phat/.libs/libphat.so: error: undefined reference to 'XWarpPointer'

--- phat-0.4.1/configure.ac
+++ phat-0.4.1/configure.ac
@@ -17,7 +17,6 @@
     [if test x$enable_debug = xyes; then with_debug=yes ; fi])
 
 if test x$with_debug = xno; then
-    CFLAGS="-O3"
     AC_DEFINE(DEBUG, 0, [[whether to display debugging output or not]])
 else
     AC_DEFINE(DEBUG, 1, [[whether to display debugging output or not]])
@@ -46,10 +45,10 @@
 GTK_DOC_CHECK(1.0)
 
 # misc checks
-PKG_CHECK_MODULES(MISC, libgnomecanvas-2.0)
+PKG_CHECK_MODULES(MISC, libgnomecanvas-2.0 x11)
 
 # set compilation flags
-CFLAGS="$CFLAGS $GTK_CFLAGS $MISC_CFLAGS -Wall -Werror"
+CFLAGS="$CFLAGS $GTK_CFLAGS $MISC_CFLAGS -Wall"
 LIBS="$LIBS $GTK_LIBS $MISC_LIBS"
 
 # print build summary