commit d3b756c51c1b42f653b8abf2b2e83a2321befb9d
author John Ericson <John.Ericson@Obsidian.Systems> Tue Jan 18 07:05:47 2022
committer John Ericson <John.Ericson@Obsidian.Systems> Tue Jan 18 20:33:42 2022
tree 856b1717126209db6138ca16c285532b8afdcd72
parent ae1573e131b3f0fa7795b0f5e13b69fe37e21554

[polly][cmake] Use `GNUInstallDirs` to support custom installation dirs

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

Reviewed By: Meinersbur

Differential Revision: https://reviews.llvm.org/D117541

polly/CMakeLists.txt

diff --git a/polly/CMakeLists.txt b/polly/CMakeLists.txt
index fb62dbd..d6bcc8f 100644
--- a/polly/CMakeLists.txt
+++ b/polly/CMakeLists.txt
@@ -1,3 +1,5 @@
+include(GNUInstallDirs)
+
 # Check if this is a in tree build.
 if (NOT DEFINED LLVM_MAIN_SRC_DIR)
   project(Polly)
@@ -124,13 +126,13 @@
 
 if (NOT LLVM_INSTALL_TOOLCHAIN_ONLY)
   install(DIRECTORY include/
-    DESTINATION include
+    DESTINATION "${CMAKE_INSTALL_INCLUDEDIR}"
     FILES_MATCHING
     PATTERN "*.h"
     )
 
   install(DIRECTORY ${POLLY_BINARY_DIR}/include/
-    DESTINATION include
+    DESTINATION "${CMAKE_INSTALL_INCLUDEDIR}"
     FILES_MATCHING
     PATTERN "*.h"
     PATTERN "CMakeFiles" EXCLUDE