build: Do not call gtk_init()

It needs to open a display connection, which is obviously going to fail
miserably on any headless build machine.

Instead, we need to find where we started requiring to initialize GTK
when calling a get_type() function, and stop doing that.

This commit and commit 15cc85db295b3d54f85c541b3c82d7b703c851c8 fully
revert commit 6838861d26bfec9af53438022bd1f5b60bab3bf4.

diff --git a/gtk/Makefile.am b/gtk/Makefile.am
index 5dcf1a5aa66a231cfc5b7e81482d9af150c187cc..4fd509cdac9c98da303d0acb4be0a98280e04e72 100644 (file)
--- a/gtk/Makefile.am
+++ b/gtk/Makefile.am
@@ -1376,7 +1376,6 @@ Gtk-3.0.gir: $(INTROSPECTION_SCANNER) libgtk-3.la $(top_builddir)/gdk/Gdk-3.0.gi
 Gtk_3_0_gir_SCANNERFLAGS =                     \
        --warn-all                              \
        --add-include-path=$(top_builddir)/gdk  \
-       --add-init-section="gtk_init (NULL, NULL);" \
        --include-uninstalled=$(top_builddir)/gdk/Gdk-3.0.gir
 Gtk_3_0_gir_INCLUDES = Atk-1.0
 if USE_X11