+AM_PATH_GLIB_2_0(2.0.0, ,AC_MSG_ERROR([glib is required in order to compile LinuxTraceToolkit - download it from ftp://ftp.gtk.org/pub/gtk]) , gmodule)
+
+AM_PATH_GTK_2_0(2.0.0, ,AC_MSG_ERROR([gtk is required in order to compile GUI - download it from ftp://ftp.gtk.org/pub/gtk]) , gmodule)
# Checks for programs.
AC_PROG_CC
# Checks for libraries.
# Checks for programs.
AC_PROG_CC
# Checks for libraries.
-AC_CHECK_LIB([popt], [poptGetNextOpt])
-AC_CHECK_LIB([gmodule-2.0], [g_module_open])
-AC_CHECK_LIB([dl], [dlopen])
-AC_CHECK_LIB([glib-2.0], [g_malloc])
+AC_CHECK_LIB([popt], [poptGetNextOpt], ,AC_MSG_ERROR([libpopt is required in order to compile LinuxTraceToolkit]) )