[gtk/gtk-3-24: 1/2] post-install: get absolute path to gtk-update-icon-cache

[Christoph Reiter <creiter src gnome org>]

commit 70123468b50d539e9bd1c617f05e08e76ad95702
Author: worldofpeace <worldofpeace protonmail ch>
Date:   Wed Jun 26 17:21:59 2019 -0400

    post-install: get absolute path to gtk-update-icon-cache
    
    Identical to how gtk-query-immodules is being handled here.

 build-aux/meson/post-install.py | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)
---
diff --git a/build-aux/meson/post-install.py b/build-aux/meson/post-install.py
index 71edc4da80..986fd23025 100644
--- a/build-aux/meson/post-install.py
+++ b/build-aux/meson/post-install.py
@@ -12,6 +12,7 @@ if 'DESTDIR' not in os.environ:
     gtk_libdir = sys.argv[4]
     gtk_datadir = sys.argv[5]
     gtk_query_immodules = os.path.join(gtk_bindir, 'gtk-query-immodules-' + gtk_api_version)
+    gtk_update_icon_cache = os.path.join(gtk_bindir, 'gtk-update-icon-cache')
 
     gtk_moduledir = os.path.join(gtk_libdir, 'gtk-' + gtk_api_version, gtk_abi_version)
     gtk_immodule_dir = os.path.join(gtk_moduledir, 'immodules')
@@ -30,7 +31,7 @@ if 'DESTDIR' not in os.environ:
                     os.path.join(gtk_datadir, 'glib-2.0', 'schemas')])
 
     print('Updating icon cache...')
-    subprocess.call(['gtk-update-icon-cache', '-q', '-t' ,'-f',
+    subprocess.call([gtk_update_icon_cache, '-q', '-t' ,'-f',
                     os.path.join(gtk_datadir, 'icons', 'hicolor')])
 
     print('Updating module cache for input methods...')