[gobject-introspection/wip/ebassi/meson: 3/4] meson: Use symbol visibility for giscanner module

[Emmanuele Bassi <ebassi src gnome org>]

commit 0c92d330dc3854bb258ea326e3d806af8ec8993b
Author: Emmanuele Bassi <ebassi gnome org>
Date:   Wed Nov 22 16:23:49 2017 +0000

    meson: Use symbol visibility for giscanner module
    
    Remove the existing TODO and avoid playing games with the linker. We
    already have a mechanism in place for controlling he visibility of our
    symbols.

 giscanner/giscannermodule.c |    2 +-
 giscanner/meson.build       |    2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)
---
diff --git a/giscanner/giscannermodule.c b/giscanner/giscannermodule.c
index 4c1f00f..77de82d 100644
--- a/giscanner/giscannermodule.c
+++ b/giscanner/giscannermodule.c
@@ -53,7 +53,7 @@
 #endif
 
 /* forward declaration */
-MOD_INIT(_giscanner);
+_GI_EXTERN MOD_INIT(_giscanner);
 
 #define NEW_CLASS(ctype, name, cname, num_methods)           \
 static const PyMethodDef _Py##cname##_methods[num_methods];    \
diff --git a/giscanner/meson.build b/giscanner/meson.build
index 73e3901..e2df60e 100644
--- a/giscanner/meson.build
+++ b/giscanner/meson.build
@@ -68,9 +68,9 @@ giscanner_lib = static_library('giscanner',
   dependencies: gio_dep,
 )
 
-# TODO: -export-symbols-regex "init_giscanner|PyInit__giscanner"
 giscanner_pymod = py3.extension_module('_giscanner', 'giscannermodule.c',
   link_with: giscanner_lib,
+  c_args: [ gi_hidden_visibility_cflags ],
   dependencies: [
     gobject_dep,
     dependency('python3'),