allow building with different compilers on debian/ubuntu

build/pkgs/python3/patches/0001-bpo-22699-Allow-compiling-on-debian-ubuntu-with-a-di.patch

@@ -0,0 +1,48 @@
+From aef4a7749dec9ecf942647af39d7a1303c758131 Mon Sep 17 00:00:00 2001
+From: Isuru Fernando <[email protected]>
+Date: Thu, 16 Sep 2021 15:46:09 -0500
+Subject: [PATCH 08/24] bpo-22699: Allow compiling on debian/ubuntu with a
+ different compiler
+
+This PR fixes one issue mentioned in the bpo
+https://bugs.python.org/issue22699#msg364685 with a slightly better
+patch than given
+---
+ setup.py | 19 ++++++++++++++++++-
+ 1 file changed, 18 insertions(+), 1 deletion(-)
+
+diff --git a/setup.py b/setup.py
+index 8fb8ea5c47..783d20bdcd 100644
+--- a/setup.py
++++ b/setup.py
+@@ -663,9 +663,26 @@ def add_multiarch_paths(self):
+         # Debian/Ubuntu multiarch support.
+         # https://wiki.ubuntu.com/MultiarchSpec
+         cc = sysconfig.get_config_var('CC')
+-        tmpfile = os.path.join(self.build_temp, 'multiarch')
+         if not os.path.exists(self.build_temp):
+             os.makedirs(self.build_temp)
++
++        tmpfile_sysroot = os.path.join(self.build_temp, 'sysroot')
++        ret_sysroot = run_command(
++            '%s -print-sysroot > %s 2> /dev/null' % (cc, tmpfile_sysroot))
++
++        try:
++            if ret_sysroot == 0:
++                with open(tmpfile_sysroot) as fp:
++                    sysroot = fp.readline().strip()
++                    # if the sysroot is not /, then we are not using
++                    # the compiler from debian/ubuntu
++                    if sysroot not in ['', '/']:
++                        return
++        finally:
++            os.unlink(tmpfile_sysroot)
++
++        tmpfile = os.path.join(self.build_temp, 'multiarch')
++
+         ret = run_command(
+             '%s -print-multiarch > %s 2> /dev/null' % (cc, tmpfile))
+         multiarch_path_component = ''
+-- 
+2.30.2
+