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From: Dmitry Shachnev <mitya57@debian.org>
Date: Tue, 10 Mar 2026 14:09:05 +0300
Subject: test: Amend CXXFLAGS instead of overwriting them
Forwarded: https://github.com/Python-SIP/sip/pull/104
---
test/conftest.py | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/test/conftest.py b/test/conftest.py
index 749ad67..38563d2 100644
--- a/test/conftest.py
+++ b/test/conftest.py
@@ -292,7 +292,9 @@ def _build_test_module(sip_file, test_dir, abi_version, package, exceptions,
f.write(f'tags = [{tags_s}]\n')
# Configure the C++11 support.
- os.environ['CXXFLAGS'] = '-std=c++11'
+ cxxflags = os.environ.get('CXXFLAGS', '')
+ if '-std=c++11' not in cxxflags:
+ os.environ['CXXFLAGS'] = f'{cxxflags} -std=c++11'
# Build and move the test module.
_build_module(module_name, package,
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