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setup.py: use CXX to get compiler for libatomic check 

This allows it to work with a prefixed compiler when cross-compiling.
This commit is contained in:
Ben Wolsieffer 2020-09-29 18:14:50 -04:00
parent 328ca01121
commit ad36ff39d3
1 changed files with 3 additions and 2 deletions
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5
setup.py
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@ -166,7 +166,8 @@ def check_linker_need_libatomic():
"""Test if linker on system needs libatomic."""
code_test = (b'#include <atomic>\n' +
b'int main() { return std::atomic<int64_t>{}; }')
cpp_test = subprocess.Popen(['c++', '-x', 'c++', '-std=c++11', '-'],
cxx = os.environ.get('CXX', 'c++')
cpp_test = subprocess.Popen([cxx, '-x', 'c++', '-std=c++11', '-'],
stdin=PIPE,
stdout=PIPE,
stderr=PIPE)
@ -176,7 +177,7 @@ def check_linker_need_libatomic():
# Double-check to see if -latomic actually can solve the problem.
# https://github.com/grpc/grpc/issues/22491
cpp_test = subprocess.Popen(
['c++', '-x', 'c++', '-std=c++11', '-latomic', '-'],
[cxx, '-x', 'c++', '-std=c++11', '-latomic', '-'],
stdin=PIPE,
stdout=PIPE,
stderr=PIPE)