Author: Wenju He
Date: 2025-10-20T09:47:00+08:00
New Revision: b9e2f7ac0489b2045aa78475e9663c2d3e5bedf7

URL: 
https://github.com/llvm/llvm-project/commit/b9e2f7ac0489b2045aa78475e9663c2d3e5bedf7
DIFF: 
https://github.com/llvm/llvm-project/commit/b9e2f7ac0489b2045aa78475e9663c2d3e5bedf7.diff

LOG: [libclc] Change libclc install dir to ${clang_resource_dir}/lib/libclc in 
in-tree build (#163896)

Commit df7473673214b placed libclc libraries into clang resource dir
<resource-dir>/lib/libclc at build stage.
This PR does it at install stage as well.
Note that in standalone (not in-tree) build, libclc is still installed
to old ${CMAKE_INSTALL_DATADIR}/clc dir.

Added: 
    

Modified: 
    libclc/CMakeLists.txt
    libclc/cmake/modules/AddLibclc.cmake

Removed: 
    


################################################################################
diff  --git a/libclc/CMakeLists.txt b/libclc/CMakeLists.txt
index 088edc06d23d3..9a81f2658fe34 100644
--- a/libclc/CMakeLists.txt
+++ b/libclc/CMakeLists.txt
@@ -77,6 +77,7 @@ if( LIBCLC_STANDALONE_BUILD OR CMAKE_SOURCE_DIR STREQUAL 
CMAKE_CURRENT_SOURCE_DI
 
   # Setup the paths where libclc runtimes should be stored.
   set( LIBCLC_OUTPUT_LIBRARY_DIR ${CMAKE_CURRENT_BINARY_DIR} )
+  set( LIBCLC_INSTALL_DIR ${CMAKE_INSTALL_DATADIR}/clc )
 else()
   # In-tree configuration
   set( LIBCLC_STANDALONE_BUILD FALSE )
@@ -100,10 +101,12 @@ else()
   # Setup the paths where libclc runtimes should be stored. By default, in an
   # in-tree build we place the libraries in clang's resource driectory.
   include(GetClangResourceDir)
-  get_clang_resource_dir( LIBCLC_OUTPUT_DIR PREFIX 
${LLVM_LIBRARY_OUTPUT_INTDIR}/.. )
+  get_clang_resource_dir( LIBCLC_INSTALL_DIR )
+  cmake_path( APPEND LIBCLC_INSTALL_DIR "lib" "libclc" )
 
   # Note we do not adhere to LLVM_ENABLE_PER_TARGET_RUNTIME_DIR.
-  set( LIBCLC_OUTPUT_LIBRARY_DIR ${LIBCLC_OUTPUT_DIR}/lib/libclc )
+  cmake_path( GET LLVM_LIBRARY_OUTPUT_INTDIR PARENT_PATH 
LIBCLC_OUTPUT_LIBRARY_DIR )
+  cmake_path( APPEND LIBCLC_OUTPUT_LIBRARY_DIR ${LIBCLC_INSTALL_DIR} )
   file( MAKE_DIRECTORY ${LIBCLC_OUTPUT_LIBRARY_DIR} )
 endif()
 

diff  --git a/libclc/cmake/modules/AddLibclc.cmake 
b/libclc/cmake/modules/AddLibclc.cmake
index 614f9e3790a3c..d8c22191678d4 100644
--- a/libclc/cmake/modules/AddLibclc.cmake
+++ b/libclc/cmake/modules/AddLibclc.cmake
@@ -261,7 +261,7 @@ function(libclc_install)
 
   install(
     FILES ${files}
-    DESTINATION "${CMAKE_INSTALL_DATADIR}/clc"
+    DESTINATION ${LIBCLC_INSTALL_DIR}
   )
 endfunction()
 


        
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