[Lldb-commits] [lldb] [lldb][cmake] Add clang resource dir to LLDB shell tests config (PR #136761)

[Chelsea Cassanova via lldb-commits]

https://github.com/chelcassanova updated https://github.com/llvm/llvm-project/pull/136761

>From b8fec72b926a1cc02f9f3f4d3666c17aa42dd5d6 Mon Sep 17 00:00:00 2001
From: Chelsea Cassanova <chelsea_cassanova at apple.com>
Date: Tue, 22 Apr 2025 13:28:04 -0700
Subject: [PATCH] [lldb][cmake] Add clang resource dir to LLDB shell tests
 config

We want to be able to access the Clang resources directory in LLDB shell
tests, this commit adds the ability to do this by adding the
`CLANG_RESOURCE_DIR` CMake variable to the config for LLDB lit tests
---
 lldb/cmake/modules/LLDBConfig.cmake | 11 +++++++++++
 lldb/test/Shell/lit.site.cfg.py.in  |  1 +
 2 files changed, 12 insertions(+)

diff --git a/lldb/cmake/modules/LLDBConfig.cmake b/lldb/cmake/modules/LLDBConfig.cmake
index 9df71edd8b359..cfd626c9358a1 100644
--- a/lldb/cmake/modules/LLDBConfig.cmake
+++ b/lldb/cmake/modules/LLDBConfig.cmake
@@ -181,6 +181,17 @@ else ()
 endif ()
 include_directories("${CMAKE_CURRENT_BINARY_DIR}/../clang/include")
 
+if(LLDB_BUILT_STANDALONE)
+  if (TARGET clang-resource-headers)
+    get_target_property(CLANG_RESOURCE_DIR clang-resource-headers INTERFACE_INCLUDE_DIRECTORIES)
+    set(CLANG_RESOURCE_DIR "${CLANG_RESOURCE_DIR}/..")
+  else()
+    set(CLANG_RESOURCE_DIR "${LLDB_EXTERNAL_CLANG_RESOURCE_DIR}")
+  endif()
+else()
+  get_clang_resource_dir(CLANG_RESOURCE_DIR PREFIX "${CMAKE_BINARY_DIR}")
+endif()
+
 # GCC silently accepts any -Wno-<foo> option, but warns about those options
 # being unrecognized only if the compilation triggers other warnings to be
 # printed. Therefore, check for whether the compiler supports options in the
diff --git a/lldb/test/Shell/lit.site.cfg.py.in b/lldb/test/Shell/lit.site.cfg.py.in
index 31a6d68618b77..7e03938b12b23 100644
--- a/lldb/test/Shell/lit.site.cfg.py.in
+++ b/lldb/test/Shell/lit.site.cfg.py.in
@@ -35,6 +35,7 @@ config.llvm_use_sanitizer = "@LLVM_USE_SANITIZER@"
 # The shell tests use their own module caches.
 config.lldb_module_cache = os.path.join("@LLDB_TEST_MODULE_CACHE_LLDB@", "lldb-shell")
 config.clang_module_cache = os.path.join("@LLDB_TEST_MODULE_CACHE_CLANG@", "lldb-shell")
+config.clang_resource_dir = os.path.join("@CLANG_RESOURCE_DIR@")
 
 import lit.llvm
 lit.llvm.initialize(lit_config, config)