printing: cairo-pdf is needed

The print backends need cairos pdf support, which is
contingent on zlib, so enable that when using cairo
as a subproject, as we do in ci for MacOS.

diff --git a/meson.build b/meson.build
index e8d6841116ab4d02797c4d7e2127f97b29d4844f..c84653c263c24543551c1b7be6d6c4f8a655306e 100644 (file)
--- a/meson.build
+++ b/meson.build
@@ -348,7 +348,8 @@ endif
 gmodule_dep    = dependency('gmodule-2.0', version: glib_req,
                             fallback : ['glib', 'libgmodule_dep'])
 cairo_dep      = dependency('cairo', version: cairo_req,
-                            fallback : ['cairo', 'libcairo_dep'])
+                            fallback : ['cairo', 'libcairo_dep'],
+                            default_options: ['zlib=enabled'])
 cairogobj_dep  = dependency('cairo-gobject', version: cairo_req,
                             fallback : ['cairo', 'libcairogobject_dep'])
 pango_dep      = dependency('pango', version: pango_req,