For example, to depend on cairo-script, inccairoscript was added to
"include_directories:" and libcairoscript was added to "link_with:".
This commit instead uses the libcairoscript_dep dependency everywhere.
Signed-off-by: Uli Schlachter <psychon@znc.in>
Precisely what Autotools does, instead of adding it as per-target C
argument.
Once we remove HAVE_CONFIG_H checks in every source file, we'll be able
to drop it.