[issue35257] Add LDFLAGS_NODIST for the LDFLAGS not intended for propagation to C extensions.

[Charalampos Stratakis]

Charalampos Stratakis <cstratak at redhat.com> added the comment:

And here is the difference between compiling the extension with the current tip, comparing to applying my current draft PR:

Master branch with the linker flags propagated:

running build
running build_ext
building 'demo' extension
creating build
creating build/temp.linux-x86_64-3.8
gcc -pthread -Wno-unused-result -Wsign-compare -DNDEBUG -g -fwrapv -O3 -Wall -fPIC -I/home/Harris/dev/cpython/_install/include/python3.8m -c demo.c -o build/temp.linux-x86_64-3.8/demo.o
creating build/lib.linux-x86_64-3.8
gcc -pthread -shared -flto -fuse-linker-plugin -ffat-lto-objects -flto-partition=none -g build/temp.linux-x86_64-3.8/demo.o -o build/lib.linux-x86_64-3.8/demo.cpython-38m-x86_64-linux-gnu.so


With introduction of the LDFLAGS_NODIST variable:

running build
running build_ext
building 'demo' extension
creating build
creating build/temp.linux-x86_64-3.8
gcc -pthread -Wno-unused-result -Wsign-compare -DNDEBUG -g -fwrapv -O3 -Wall -fPIC -I/home/Harris/dev/cpython/_install/include/python3.8m -c demo.c -o build/temp.linux-x86_64-3.8/demo.o
creating build/lib.linux-x86_64-3.8
gcc -pthread -shared build/temp.linux-x86_64-3.8/demo.o -o build/lib.linux-x86_64-3.8/demo.cpython-38m-x86_64-linux-gnu.so

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Python tracker <report at bugs.python.org>
<https://bugs.python.org/issue35257>
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