AC_PROG_CC
AM_PROG_CC_C_O
-PKG_CHECK_MODULES(GLIB, glib-2.0 >= 2.6, have_glib=true, have_glib=false)
+PKG_CHECK_MODULES(GLIB, glib-2.0 >= 2.18, have_glib=true, have_glib=false)
AC_SUBST(GLIB_CFLAGS)
AC_SUBST(GLIB_LIBS)
AC_SUBST(GIO_CFLAGS)
AC_SUBST(GIO_LIBS)
-PKG_CHECK_MODULES(GTK, gtk+-2.0 >= 3.1, have_gtk=true, have_gtk=false)
+PKG_CHECK_MODULES(GTK, gtk+-2.0 >= 2.18, have_gtk=true, have_gtk=false)
AC_SUBST(GTK_CFLAGS)
AC_SUBST(GTK_LIBS)