[gitg] plugins: ensure so suffix is used on macOS

[Alberto Fanjul <albfan src gnome org>]

commit fa86aefab3f23fbe66d6ebd597cb13374e21a0cf
Author: Tom Schoonjans <Tom Schoonjans diamond ac uk>
Date:   Thu Oct 25 13:10:04 2018 +0100

    plugins: ensure so suffix is used on macOS

 meson.build               | 7 +++++++
 plugins/diff/meson.build  | 1 +
 plugins/files/meson.build | 1 +
 3 files changed, 9 insertions(+)
---
diff --git a/meson.build b/meson.build
index e98a6249..671454eb 100644
--- a/meson.build
+++ b/meson.build
@@ -177,6 +177,13 @@ config_h.set_quoted('PLATFORM_NAME', platform_name)
 
 g_ir_compiler = find_program('g-ir-compiler')
 
+module_suffix = []
+# Keep the autotools convention for shared module suffix because GModule
+# depends on it: https://gitlab.gnome.org/GNOME/glib/issues/520
+if ['darwin', 'ios'].contains(host_machine.system())
+  module_suffix = 'so'
+endif
+
 subdir('po')
 subdir('contrib/xml')
 subdir('contrib/ide')
diff --git a/plugins/diff/meson.build b/plugins/diff/meson.build
index a94e34e1..ecb22614 100644
--- a/plugins/diff/meson.build
+++ b/plugins/diff/meson.build
@@ -18,4 +18,5 @@ libdiff = shared_module(
   c_args: plugin_cflags,
   install: true,
   install_dir: plugin_dir,
+  name_suffix: module_suffix,
 )
diff --git a/plugins/files/meson.build b/plugins/files/meson.build
index b79c9e4f..ea53b449 100644
--- a/plugins/files/meson.build
+++ b/plugins/files/meson.build
@@ -25,4 +25,5 @@ libfiles = shared_module(
   c_args: plugin_cflags,
   install: true,
   install_dir: plugin_dir,
+  name_suffix: module_suffix,
 )