[PATCH] D87590: Backport D79219, D85820, D86134 to 10.0 branch

[Brian J. Cardiff via Phabricator via cfe-commits]

bcardiff created this revision.
bcardiff added reviewers: JDevlieghere, phosek, smeenai.
Herald added subscribers: llvm-commits, lldb-commits, Sanitizers, cfe-commits, hiraditya, mgorny.
Herald added projects: clang, Sanitizers, LLDB, LLVM.
bcardiff requested review of this revision.

Changes CMake configuration files are backported from master to 10.0 branch.

The 10.0.1 release is a bit broken and affects homebrew https://discourse.brew.sh/t/llvm-config-10-0-1-advertise-libxml2-tbd-as-system-libs/8593

To backport https://reviews.llvm.org/D79219 I needed to go through many commits of changes and revert changes regarding "Simplify CMake handling for zlib".

The other changes included are:

- https://reviews.llvm.org/D85820 "Use find_library for ncurses" and,
- https://reviews.llvm.org/D86134 "Fix OCaml build failure because of absolute path in system libs".

I'm not sure if there are plans for another 10.x release, but since I went through the history to make the patch for homebrew I figure I would send it here also just in case.


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D87590

Files:
  clang/CMakeLists.txt
  clang/test/CMakeLists.txt
  clang/test/lit.site.cfg.py.in
  compiler-rt/cmake/config-ix.cmake
  compiler-rt/lib/xray/tests/CMakeLists.txt
  compiler-rt/test/lit.common.configured.in
  lld/CMakeLists.txt
  lld/test/CMakeLists.txt
  lld/test/lit.site.cfg.py.in
  lldb/cmake/modules/LLDBStandalone.cmake
  lldb/source/Core/CMakeLists.txt
  lldb/source/Plugins/Process/gdb-remote/GDBRemoteCommunication.cpp
  lldb/source/Plugins/Process/gdb-remote/GDBRemoteCommunicationClient.cpp
  llvm/cmake/config-ix.cmake
  llvm/cmake/modules/LLVMConfig.cmake.in
  llvm/include/llvm/Config/config.h.cmake
  llvm/lib/Support/CMakeLists.txt
  llvm/lib/Support/CRC.cpp
  llvm/lib/Support/Compression.cpp
  llvm/lib/Support/Unix/Process.inc
  llvm/test/CMakeLists.txt
  llvm/test/lit.site.cfg.py.in
  llvm/unittests/Support/CompressionTest.cpp
  llvm/utils/gn/secondary/clang/test/BUILD.gn
  llvm/utils/gn/secondary/compiler-rt/test/BUILD.gn
  llvm/utils/gn/secondary/lld/test/BUILD.gn
  llvm/utils/gn/secondary/llvm/include/llvm/Config/BUILD.gn
  llvm/utils/gn/secondary/llvm/test/BUILD.gn

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