[gtk/gtk-3-24-meson: 89/89] meson/MSVC: Copy xxx-3.lib to xxx-3.0.lib upon post-install

[Chun-wei Fan <fanchunwei src gnome org>]

commit e8fa678b21042c7daab0a6b77ae0d67e794e65d9
Author: Chun-wei Fan <fanchunwei src gnome org>
Date:   Mon Apr 8 12:49:02 2019 +0800

    meson/MSVC: Copy xxx-3.lib to xxx-3.0.lib upon post-install
    
    This ensures that current Visual Studio project files and NMake
    Makefiles (which do not use pkg-config files) do not break with the
    Meson-built GTK-3.x libraries.

 build-aux/meson/post-install.py | 9 +++++++++
 1 file changed, 9 insertions(+)
---
diff --git a/build-aux/meson/post-install.py b/build-aux/meson/post-install.py
index f526bc81bf..71edc4da80 100644
--- a/build-aux/meson/post-install.py
+++ b/build-aux/meson/post-install.py
@@ -1,6 +1,7 @@
 #!/usr/bin/env python3
 
 import os
+import shutil
 import sys
 import subprocess
 
@@ -16,6 +17,14 @@ if 'DESTDIR' not in os.environ:
     gtk_immodule_dir = os.path.join(gtk_moduledir, 'immodules')
     gtk_printmodule_dir = os.path.join(gtk_moduledir, 'printbackends')
 
+    if os.name == 'nt':
+        for lib in ['gdk', 'gtk', 'gailutil']:
+            # Make copy for MSVC-built .lib files, e.g. xxx-3.lib->xxx-3.0.lib
+            installed_lib = os.path.join(gtk_libdir, lib + '-' + gtk_api_version.split('.')[0] + '.lib')
+            installed_lib_dst = os.path.join(gtk_libdir, lib + '-' + gtk_api_version + '.lib')
+            if os.path.isfile(installed_lib):
+                shutil.copyfile(installed_lib, installed_lib_dst)
+
     print('Compiling GSettings schemas...')
     subprocess.call(['glib-compile-schemas',
                     os.path.join(gtk_datadir, 'glib-2.0', 'schemas')])