From 76c23503ed1002d3aad0118795006fe2128006ae Mon Sep 17 00:00:00 2001
From: Ting-Wei Lan <lantw@src.gnome.org>
Date: Sat, 21 Mar 2020 22:13:57 +0800
Subject: [PATCH] generate-version-script: Don't hard-code the path of python3

Python can be installed in different directories on different operating
systems, so we can't hard-code the path of it. Instead, use meson to
find it to avoid 'no such file or directory' error on the bad path.

Upstream-Status: Backport [https://github.com/hughsie/libgusb/pull/36]
Signed-off-by: Alex Kiernan <alex.kiernan@gmail.com>
---
 contrib/generate-version-script.py | 1 -
 gusb/meson.build                   | 4 ++++
 2 files changed, 4 insertions(+), 1 deletion(-)
 mode change 100755 => 100644 contrib/generate-version-script.py

diff --git a/contrib/generate-version-script.py b/contrib/generate-version-script.py
old mode 100755
new mode 100644
index c4ee238ab0ab..0fe2b24e47e3
--- a/contrib/generate-version-script.py
+++ b/contrib/generate-version-script.py
@@ -1,4 +1,3 @@
-#!/usr/bin/python3
 # pylint: disable=invalid-name,missing-docstring
 #
 # Copyright (C) 2017 Richard Hughes <richard@hughsie.com>
diff --git a/gusb/meson.build b/gusb/meson.build
index 10a6f537a642..28ca3c63e595 100644
--- a/gusb/meson.build
+++ b/gusb/meson.build
@@ -142,6 +142,9 @@ libgusb_girtarget = gnome.generate_gir(gusb,
 libgusb_gir = libgusb_girtarget[0]
 libgusb_typelib = libgusb_girtarget[1]
 
+pymod = import('python')
+py_installation = pymod.find_installation('python3')
+
 # Verify the map file is correct -- note we can't actually use the generated
 # file for two reasons:
 #
@@ -154,6 +157,7 @@ mapfile_target = custom_target('gusb_mapfile',
   input: libgusb_girtarget[0],
   output: 'libgusb.ver',
   command: [
+    py_installation,
     join_paths(meson.source_root(), 'contrib', 'generate-version-script.py'),
     'LIBGUSB',
     '@INPUT@',
-- 
2.17.1