================
@@ -1,3 +1,7 @@
+if(EXISTS ${LLVM_MAIN_SRC_DIR}/include/llvm/CodeGen AND CLANG_BUILT_STANDALONE)
+ add_subdirectory(${LLVM_MAIN_SRC_DIR}/include/llvm/CodeGen llvm/lib/CodeGen)
+endif()
----------------
compnerd wrote:
The issue is that the `vt_gen` target is undefined. This is _expected_. The
target should be defined by LLVM, which is a dependency. You should be wiring
up the targets from LLVM into the clang build, which would provide the
dependency and avoid this issue. The target definition is setup by
`find_package(LLVM)` which is why you need to specify `-D LLVM_DIR=...` to the
CMake invocation when configuring clang standalone. The normal build is unified
and the target is defined when clang is configured.
https://github.com/llvm/llvm-project/pull/109601
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