python: Avoid shebang overflow on python-config.py

The native path may be too big, leading to shebang
overflow. Just use the #!/usr/bin/env python3.

(From OE-Core rev: 84783dee09e48cb930c7cd27944eaf3f03997237)

Signed-off-by: Paulo Neves <ptsneves@gmail.com>
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

1 files changed, 33 insertions, 0 deletions

diff --git a/meta/recipes-devtools/python/python3/0001-Avoid-shebang-overflow-on-python-config.py.patch b/meta/recipes-devtools/python/python3/0001-Avoid-shebang-overflow-on-python-config.py.patch
new file mode 100644
index 0000000000..921da8de7c
--- /dev/null
+++ b/meta/recipes-devtools/python/python3/0001-Avoid-shebang-overflow-on-python-config.py.patch
@@ -0,0 +1,33 @@
+From f0c9dec63d452a7cd1e15ea653f4aced281f021c Mon Sep 17 00:00:00 2001
+From: Paulo Neves <ptsneves@gmail.com>
+Date: Tue, 7 Jun 2022 16:16:41 +0200
+Subject: [PATCH 1/1] Avoid shebang overflow on python-config.py
+
+The whole native path may be too big, leading to shebang
+overflow. Let's just use the env shebang.
+
+Denial reason: [1]
+
+Upstream-Status: Denied [distribution]
+
+[1] https://github.com/python/cpython/pull/93760#pullrequestreview-1005365737
+---
+ Makefile.pre.in | 2 ++
+ 1 file changed, 2 insertions(+)
+
+diff --git a/Makefile.pre.in b/Makefile.pre.in
+index f0aedb76cb58999427804255da56fa53284d7032..dd88e43114730f7681715777cc76dabb31113176 100644
+--- a/Makefile.pre.in
++++ b/Makefile.pre.in
+@@ -1638,6 +1638,8 @@ python-config: $(srcdir)/Misc/python-config.in Misc/python-config.sh
+        @ # Substitution happens here, as the completely-expanded BINDIR
+        @ # is not available in configure
+        sed -e "s,@EXENAME@,$(BINDIR)/python$(LDVERSION)$(EXE)," < $(srcdir)/Misc/python-config.in >python-config.py
++       @ # Otherwise we might get huge shebangs with native paths
++       sed -i -e '1s|^#!.*|#!/usr/bin/env python3|' python-config.py
+        @ # Replace makefile compat. variable references with shell script compat. ones; $(VAR) -> ${VAR}
+        LC_ALL=C sed -e 's,\$$(\([A-Za-z0-9_]*\)),\$$\{\1\},g' < Misc/python-config.sh >python-config
+        @  # In OpenEmbedded, always use the python version of the script, the shell
+-- 
+2.25.1
+