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A comment on Trying out C++20's modules with Clang and Make. Parent comment

Re:Trying out C++20's modules with Clang and Make by leni536 on Sunday October 15, 2023 @02:34PM (#37892145)
C++ has stable binary interfaces just like C.
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Re:Trying out C++20's modules with Clang and Make by matheusmoreira on Sunday October 15, 2023 @02:46PM (#37892259)
I've seen compiled C++ code turn out to be incompatible with code produced by different versions of the same compiler. There is no way this is stable.
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Re:Trying out C++20's modules with Clang and Make by maccard on Sunday October 15, 2023 @03:08PM (#37892465)
Most compiler vendors promise forward compatible stability and have done for a while now. You're never going to have perfect compatibility, as I can always just compile with -DMY_FLAG=1 and change the behaviour of everything. But, GCC and clang haven't had a breaking change in a decade, and I believe msvc has been compatible since 2015.
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