1 files changed, 26 insertions, 0 deletions
diff --git a/build-aux/post-install.py b/build-aux/post-install.py
new file mode 100644
index 000000000..d532ddf73
--- /dev/null
+++ b/build-aux/post-install.py
@@ -0,0 +1,26 @@
+#!/usr/bin/env python3
+
+import os
+import sys
+import subprocess
+
+if 'DESTDIR' not in os.environ:
+    bindir = sys.argv[1]
+    libdir = sys.argv[2]
+    binary_version = sys.argv[3]
+
+    query_loaders = os.path.join(bindir, "gdk-pixbuf-query-loaders")
+    loaders_dir = os.path.join(libdir, "gdk-pixbuf-2.0", binary_version)
+    loaders_cache = os.path.join(loaders_dir, "loaders.cache")
+
+    os.makedirs(loaders_dir, exist_ok=True)
+
+    cmd = [query_loaders]
+    with subprocess.Popen(cmd, stdout=subprocess.PIPE, close_fds=True) as p:
+        data = p.stdout.read()
+
+    with open(loaders_cache, "wb") as f:
+        f.write(data)
+else:
+    print("*** Warning: loaders.cache not built because DESTDIR is set")
+    print("***          You will need to manually call gdk-pixbuf-query-loaders")