-# Checks for libraries.
-AM_PATH_GTK_2_0(2.2.0,,AC_MSG_ERROR(needs GTK+ 2.2.0),gthread)
+dnl ------------------
+dnl | Pkgconfig checks |---------------------------------------
+dnl ------------------
+
+PKG_CHECK_MODULES(PACKAGE, [
+ glib-2.0 >= 2.12
+ gthread-2.0 >= 2.2
+ gtk+-2.0 >= 2.12
+])
+
+AC_SUBST(PACKAGE_CFLAGS)
+AC_SUBST(PACKAGE_LIBS)
+
+###############
+# Depecations #
+###############
+AC_ARG_ENABLE(deprecations,
+ [AC_HELP_STRING([--enable-deprecations],
+ [warn about deprecated usages [default=no]])],,
+ [enable_deprecations=no])
+
+if test "x$enable_deprecations" = "xyes"; then
+ DISABLE_DEPRECATED_CFLAGS="\
+-DG_DISABLE_DEPRECATED \
+-DGDK_DISABLE_DEPRECATED \
+-DGTK_DISABLE_DEPRECATED \
+-DGDK_PIXBUF_DISABLE_DEPRECATED"
+ AC_SUBST(DISABLE_DEPRECATED_CFLAGS)
+fi