Fix compilation for Arm 64

ReadMe.org

@@ -72,6 +72,11 @@ Auto Color currently supports the following managers:
 *** GNOME 2.0
 This should work on any newer Ubuntu distribution.
 
+Before compilation:
+#+BEGIN_SRC sh
+sudo apt install libglib2.0-dev
+#+END_SRC
+
 On compilation:
 #+BEGIN_SRC sh
   -I/usr/include/glib-2.0 -I/usr/lib/x86_64-linux-gnu/glib-2.0/include

src/AutoColor.cake

@@ -137,7 +137,9 @@ License along with this library; if not, see <http://www.gnu.org/licenses/>.
  ('Unix
   ;; Gnome GTK
   (add-c-search-directory-module "/usr/include/glib-2.0")
+  ;; For glibconfig.h, which is auto-generated for each platform
   (add-c-search-directory-module "/usr/lib/x86_64-linux-gnu/glib-2.0/include")
+  (add-c-search-directory-module "/usr/lib/aarch64-linux-gnu/glib-2.0/include")
   (c-import "gio/gio.h")
   (add-library-dependency "glib-2.0" "gio-2.0" "gobject-2.0")