DirectX use of HLSLBufferLayoutBuilder inside of getHLSLType makes it so it has to be compiled in clang/lib/CodeGen/CMakeLists.txt. This means clangCodeGenTargets needs to be PARTIAL_SOURCES_INTENDED. or clang/lib/CodeGen/Targets/DirectX.cpp needs to be moved to a different directory.

Author: farzonl

clang/lib/CodeGen/CMakeLists.txt

@@ -117,7 +117,9 @@ add_clang_library(clangCodeGen
   SanitizerMetadata.cpp
   SwiftCallingConv.cpp
   TargetInfo.cpp
+  Targets/DirectX.cpp
   VarBypassDetector.cpp
+
   DEPENDS
   vt_gen
   intrinsics_gen

clang/lib/CodeGen/Targets/CMakeLists.txt

@@ -1,14 +1,14 @@
 include_directories(${CMAKE_CURRENT_SOURCE_DIR}/..)
 
 add_clang_library(clangCodeGenTargets STATIC
+  PARTIAL_SOURCES_INTENDED
   AArch64.cpp
   AMDGPU.cpp
   ARC.cpp
   ARM.cpp
   AVR.cpp
   BPF.cpp
   CSKY.cpp
-  DirectX.cpp
   Hexagon.cpp
   Lanai.cpp
   LoongArch.cpp