[libc-commits] [libc] [libc] support fully OOT build (PR #101287)

[Schrodinger ZHU Yifan via libc-commits]

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@@ -327,7 +330,9 @@ endif()
 
 option(LLVM_LIBC_INCLUDE_SCUDO "Include the SCUDO standalone as the allocator for LLVM libc" OFF)
 if(LLVM_LIBC_INCLUDE_SCUDO)
-  if (NOT ("compiler-rt" IN_LIST LLVM_ENABLE_PROJECTS OR "compiler-rt" IN_LIST LLVM_ENABLE_RUNTIMES))
+  if (LLVM_LIBC_COMPILER_RT_PATH)
+    add_subdirectory(${LLVM_LIBC_COMPILER_RT_PATH} ${CMAKE_CURRENT_BINARY_DIR}/compiler-rt)
+  elseif(NOT ("compiler-rt" IN_LIST LLVM_ENABLE_PROJECTS OR "compiler-rt" IN_LIST LLVM_ENABLE_RUNTIMES))
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SchrodingerZhu wrote:

user can provide compiler-rt source directory on their own.

https://github.com/llvm/llvm-project/pull/101287