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From 3f79de7b8411c76a1fcd1ca850ea62500be7a881 Mon Sep 17 00:00:00 2001
From: Natanael Copa <ncopa@alpinelinux.org>
Date: Sat, 29 Jan 2022 00:02:54 +0100
Subject: [PATCH 1/2] bpo-43112: detect musl as a separate SOABI (GH-24502)
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
musl libc and gnu libc are not ABI compatible so we need set different
SOABI for musl and not simply assume that all linux is linux-gnu.
Replace linux-gnu with the detected os for the build from config.guess
for linux-musl*.
(cherry picked from commit 1f036ede59e2c4befc07714cf76603c591d5c972)
Signed-off-by: Šimon Bořek <simon.borek@nic.cz>
---
Lib/test/test_sysconfig.py | 8 ++++----
.../next/Build/2021-02-10-17-54-04.bpo-43112.H5Lat6.rst | 1 +
configure | 5 +++++
configure.ac | 5 +++++
4 files changed, 15 insertions(+), 4 deletions(-)
create mode 100644 Misc/NEWS.d/next/Build/2021-02-10-17-54-04.bpo-43112.H5Lat6.rst
--- a/Lib/test/test_sysconfig.py
+++ b/Lib/test/test_sysconfig.py
@@ -425,11 +425,11 @@ class TestSysConfig(unittest.TestCase):
self.assertTrue('linux' in suffix, suffix)
if re.match('(i[3-6]86|x86_64)$', machine):
if ctypes.sizeof(ctypes.c_char_p()) == 4:
- self.assertTrue(suffix.endswith('i386-linux-gnu.so') or
- suffix.endswith('x86_64-linux-gnux32.so'),
- suffix)
+ expected_suffixes = 'i386-linux-gnu.so', 'x86_64-linux-gnux32.so', 'i386-linux-musl.so'
else: # 8 byte pointer size
- self.assertTrue(suffix.endswith('x86_64-linux-gnu.so'), suffix)
+ expected_suffixes = 'x86_64-linux-gnu.so', 'x86_64-linux-musl.so'
+ self.assertTrue(suffix.endswith(expected_suffixes),
+ f'unexpected suffix {suffix!r}')
@unittest.skipUnless(sys.platform == 'darwin', 'OS X-specific test')
def test_osx_ext_suffix(self):
--- /dev/null
+++ b/Misc/NEWS.d/next/Build/2021-02-10-17-54-04.bpo-43112.H5Lat6.rst
@@ -0,0 +1 @@
+Detect musl libc as a separate SOABI (tagged as ``linux-musl``).
\ No newline at end of file
--- a/configure
+++ b/configure
@@ -5376,6 +5376,11 @@ EOF
if $CPP $CPPFLAGS conftest.c >conftest.out 2>/dev/null; then
PLATFORM_TRIPLET=`grep -v '^#' conftest.out | grep -v '^ *$' | tr -d ' '`
+ case "$build_os" in
+ linux-musl*)
+ PLATFORM_TRIPLET=`echo "$PLATFORM_TRIPLET" | sed 's/linux-gnu/linux-musl/'`
+ ;;
+ esac
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $PLATFORM_TRIPLET" >&5
$as_echo "$PLATFORM_TRIPLET" >&6; }
else
--- a/configure.ac
+++ b/configure.ac
@@ -866,6 +866,11 @@ EOF
if $CPP $CPPFLAGS conftest.c >conftest.out 2>/dev/null; then
PLATFORM_TRIPLET=`grep -v '^#' conftest.out | grep -v '^ *$' | tr -d ' '`
+ case "$build_os" in
+ linux-musl*)
+ PLATFORM_TRIPLET=`echo "$PLATFORM_TRIPLET" | sed 's/linux-gnu/linux-musl/'`
+ ;;
+ esac
AC_MSG_RESULT([$PLATFORM_TRIPLET])
else
AC_MSG_RESULT([none])
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