AC_MSG_ERROR([The program "sed" is not available. This program is required to build Openbox.])
fi
-PKG_CHECK_MODULES([GLIB], [glib-2.0])
+PKG_CHECK_MODULES([GLIB], [glib-2.0 >= 2.6.0])
AC_SUBST(GLIB_CFLAGS)
AC_SUBST(GLIB_LIBS)
-PKG_CHECK_MODULES(PANGO, [pango pangoxft])
+PKG_CHECK_MODULES(PANGO, [pango >= 1.8.0 pangoxft >= 1.8.0])
AC_SUBST(PANGO_CFLAGS)
AC_SUBST(PANGO_LIBS)