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6fd4e7fe02
CMake has a standard way of setting target triple, sysroot and external toolchain through CMAKE_<LANG>_COMPILER_TARGET, CMAKE_SYSROOT and CMAKE_<LANG>_COMPILER_EXTERNAL_TOOLCHAIN. These are turned into corresponding --target=, --sysroot= and --gcc-toolchain= variables add included appended to CMAKE_<LANG>_FLAGS. libunwind, libc++abi, libc++ provides their own mechanism through <PROJECT>_TARGET_TRIPLE, <PROJECT>_SYSROOT and <PROJECT>_GCC_TOOLCHAIN variables. These are also passed to lit via lit.site.cfg, and lit config uses these to set the corresponding compiler flags when building tessts. This means that there are two different ways of setting target, sysroot and toolchain, but only one is properly supported in lit. This change extends CMake build for libunwind, libc++abi and libc++ to also support the CMake variables in addition to project specific ones in lit. Differential Revision: https://reviews.llvm.org/D57670 llvm-svn: 353084 |
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| CMakeLists.txt | ||
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| LICENSE.TXT | ||