Egor Zhdan a3e914364a [cxx-interop] Import libstdc++ as a Clang module ...

This change adds a module map for libstdc++, which allows it to be properly imported into Swift as a module. The module map is installed into `usr/lib/swift/linux/{arch}` similarly to `glibc.modulemap`, and is passed to Clang as `-fmodule-map-file`.

That means it is now possible to import std directly from Swift on Linux, when C++ interop is enabled.

The module map currently declares a single `std` module without splitting the headers into submodules. This is going to change in the near future.

rdar://87654514

2022-04-08 14:10:04 +01:00

1.8 KiB

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