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Revert "Prepare Compiler-RT for GnuInstallDirs, matching libcxx"

Authored by mstorsjo on Jul 10 2021, 12:45 AM.

Description

Revert "Prepare Compiler-RT for GnuInstallDirs, matching libcxx"

This reverts commit 9a9bc76c0eb72f0f2732c729a460abbd5239c2e3.

That commit broke "ninja install" when building compiler-rt for mingw
targets, building standalone (pointing cmake at the compiler-rt
directory) with cmake 3.16.3 (the one shipped in ubuntu 20.04), with
errors like this:

  • Install configuration: "Release"

CMake Error at cmake_install.cmake:44 (file):

file cannot create directory: /include/sanitizer.  Maybe need
administrative privileges.

Call Stack (most recent call first):

/home/martin/code/llvm-mingw/src/llvm-project/compiler-rt/build-i686-sanitizers/cmake_install.cmake:37 (include)

FAILED: include/CMakeFiles/install-compiler-rt-headers
cd /home/martin/code/llvm-mingw/src/llvm-project/compiler-rt/build-i686-sanitizers/include && /usr/bin/cmake -DCMAKE_INSTALL_COMPONENT="compiler-rt-headers" -P /home/martin/code/llvm-mingw/src/llvm-project/compiler-rt/build-i686-sanitizers/cmake_install.cmake
ninja: build stopped: subcommand failed.