================
@@ -28,6 +28,19 @@ if (CMAKE_SOURCE_DIR STREQUAL CMAKE_CURRENT_SOURCE_DIR)
if (NOT LLVM_RUNTIMES_BUILD)
load_llvm_config()
endif()
+ if(LLVM_ENABLE_PER_TARGET_RUNTIME_DIR AND NOT APPLE)
+ set(print_target_triple ${CMAKE_CXX_COMPILER}
--target=${LLVM_RUNTIME_TRIPLE} -print-target-triple)
----------------
wzssyqa wrote:
I am wondering that whether `CMAKE_CXX_COMPILER` is defined for
`compiler-rt/lib/builtins`.
All source of this library is pure C/ASM.
In fact when I worked on my PR, I did meet this problem.
My configure cmd is
```
cmake ../llvm -G Ninja -DLLVM_ENABLE_PER_TARGET_RUNTIME_DIR=off
-DLLVM_DEFAULT_TARGET_TRIPLE=aarch64-linux-gnu -DLLVM_USE_LINKER=lld
-DLLVM_ENABLE_RUNTIMES="compiler-rt;libunwind"
-DLLVM_ENABLE_PROJECTS="mlir;clang;clang-tools-extra;lld"
-DCMAKE_C_COMPILER=clang -DCMAKE_CXX_COMPILER=clang++
-DCMAKE_BUILD_TYPE=RelWithDebInfo
```
https://github.com/llvm/llvm-project/pull/89425
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