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libglib2: Avoid absolute path to python in shebang

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When the output directory is nested under a long path name, calling the
gdbus-codegen, glib-genmarshal, or glib-mkenums scripts throws the
error:

> '/usr/bin/env: /...: No such file or directory'

This is because libglib2 uses the absolute path to the python
interpreter for its shebang statements, and shebangs have a max length
of 127 chars[1]. A long absolute path will be cut off and appear as a
missing file.

Since the host Python is present in the $PATH passed to all packages, we
can copy the workaround from Yocto and just use the python interpreter
in $PATH[2]. However, 'python' is used instead of 'python3' as the
scripts are compatible with both.

[1] https://linux.die.net/man/2/execve
[2] http://cgit.openembedded.org/openembedded-core/commit/?id=eef7883587acc933d6f34b559ec03ff84d18573b

Signed-off-by: Brandon Maier <brandon.maier@rockwellcollins.com>
Signed-off-by: David Owens <david.owens@rockwellcollins.com>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>
(cherry picked from commit 3ab5dfb548)
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>
This commit is contained in:
David Owens 2018-07-12 11:37:34 -05:00 committed by Peter Korsgaard
parent 6eeb197947
commit 95f3567bcf
1 changed files with 48 additions and 0 deletions
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48
package/libglib2/0004-Do-not-hardcode-python-path-into-various-tools.patch Normal file
View File

@ -0,0 +1,48 @@
From b9160d951b9af647b97766c57295ca4f45cf9521 Mon Sep 17 00:00:00 2001
From: Alexander Kanavin <alex.kanavin@gmail.com>
Date: Tue, 3 Oct 2017 10:45:55 +0300
Subject: [PATCH] Do not hardcode python path into various tools
Upstream-Status: Inappropriate [oe-core specific]
Signed-off-by: Alexander Kanavin <alex.kanavin@gmail.com>
Fetch from: http://cgit.openembedded.org/openembedded-core/tree/meta/recipes-core/glib-2.0/glib-2.0/0010-Do-not-hardcode-python-path-into-various-tools.patch?id=eef7883587acc933d6f34b559ec03ff84d18573b
Signed-off-by: David Owens <david.owens@rockwellcollins.com>
---
gio/gdbus-2.0/codegen/gdbus-codegen.in | 2 +-
gobject/glib-genmarshal.in | 2 +-
gobject/glib-mkenums.in | 2 +-
3 files changed, 3 insertions(+), 3 deletions(-)
diff --git a/gio/gdbus-2.0/codegen/gdbus-codegen.in b/gio/gdbus-2.0/codegen/gdbus-codegen.in
index 8050981..e693ef3 100644
--- a/gio/gdbus-2.0/codegen/gdbus-codegen.in
+++ b/gio/gdbus-2.0/codegen/gdbus-codegen.in
@@ -1,4 +1,4 @@
-#!/usr/bin/env @PYTHON@
+#!/usr/bin/env python
# GDBus - GLib D-Bus Library
#
diff --git a/gobject/glib-genmarshal.in b/gobject/glib-genmarshal.in
index 09e8408..b2f9d99 100755
--- a/gobject/glib-genmarshal.in
+++ b/gobject/glib-genmarshal.in
@@ -1,4 +1,4 @@
-#!/usr/bin/env @PYTHON@
+#!/usr/bin/env python
# pylint: disable=too-many-lines, missing-docstring, invalid-name
diff --git a/gobject/glib-mkenums.in b/gobject/glib-mkenums.in
index d4bfd11..051fce4 100755
--- a/gobject/glib-mkenums.in
+++ b/gobject/glib-mkenums.in
@@ -1,4 +1,4 @@
-#!/usr/bin/env @PYTHON@
+#!/usr/bin/env python
# If the code below looks horrible and unpythonic, do not panic.
#
--
2.14.1