gtkhtml-4.2.3 fails to compile against glib-2.32.4, with an undefined reference to g_thread_init. Since glib 2.32, g_thread_init is deprecated and doesn't need to be called. The gtkhtml code could be fixed to not call g_thread_init with glib 2.32 or its dependencies could be set to not compile with glib 2.32.
Meant to add: gnome-extra/gtkhtml-4.4.3 compiles fine against glib-2.32.4.
(In reply to comment #1) > Meant to add: gnome-extra/gtkhtml-4.4.3 compiles fine against glib-2.32.4. Since both glib-2.32 and gtkhtml-4.4 are in ~arch, that means the bug is fixed :)