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The HOST_LINK_VERSION is a hardcoded string in Darwin clang that detects the linker version at configure time. The driver uses this information to build the correct set of arguments for the linker. This patch detects the linker version again during compiler-rt configuration and passes it to the tests. This allows a clang built on a machine with a new linker to run compiler-rt tests on a machine with an old linker. rdar://125198603
Compiler-RT ================================ This directory and its subdirectories contain source code for the compiler support routines. Compiler-RT is open source software. You may freely distribute it under the terms of the license agreement found in LICENSE.txt. ================================