commit 4a3e0860b7e906afed8f67d56d7b815e77a22d92
author John Ericson <John.Ericson@Obsidian.Systems> Sun Jan 16 06:00:29 2022 +0000
committer Copybara-Service <copybara-worker@google.com> Mon Jan 17 22:51:23 2022 -0800
tree 3cf3b977e94d14da55cb9ba63da58aa500dbea1a
parent b74766b0f8006c805768d06a731775f666e59883

[libcxx][libcxxabi][libunwind][cmake] Use `GNUInstallDirs` to support custom installation dirs

I am breaking apart D99484 so the cause of build failures is easier to
understand.

Differential Revision: https://reviews.llvm.org/D117417

GitOrigin-RevId: f16a4a034a279f52c33f41cafb7d9751ee8a01dd

CMakeLists.txt

diff --git a/CMakeLists.txt b/CMakeLists.txt
index b738043..6b3bcef 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -10,6 +10,8 @@
 
 cmake_minimum_required(VERSION 3.13.4)
 
+include(GNUInstallDirs)
+
 set(LLVM_COMMON_CMAKE_UTILS "${CMAKE_CURRENT_SOURCE_DIR}/../cmake")
 
 # Add path for custom modules
@@ -210,7 +212,7 @@
   ${CMAKE_MODULE_PATH}
   )
 
-set(LIBCXXABI_INSTALL_RUNTIME_DIR bin CACHE PATH
+set(LIBCXXABI_INSTALL_RUNTIME_DIR "${CMAKE_INSTALL_BINDIR}" CACHE PATH
     "Path where built libc++abi runtime libraries should be installed.")
 
 if(LLVM_ENABLE_PER_TARGET_RUNTIME_DIR AND NOT APPLE)