fix cmake magic once again

src/PIM/CMakeLists.txt

@@ -10,6 +10,56 @@ set(PIM_INCLUDE_PATH ${CMAKE_INCLUDE_OUTPUT_DIRECTORY})
 set(PIM_ONNX_MLIR_SRC_ROOT ${ONNX_MLIR_SRC_ROOT})
 set(PIM_ONNX_MLIR_BIN_ROOT ${ONNX_MLIR_BIN_ROOT})
 
+set(PIM_GENERATED_PATH_SHIM_TARGET "")
+get_filename_component(PIM_BIN_ROOT_NAME "${PIM_BIN_ROOT}" NAME)
+if (PIM_BIN_ROOT_NAME STREQUAL "raptor-external")
+  get_filename_component(PIM_GENERATED_PATH_SHIM_ROOT "${PIM_BIN_ROOT}" DIRECTORY)
+  set(PIM_GENERATED_PATH_SHIM_OUTPUTS)
+
+  function(add_pim_generated_path_shim relative_path)
+    set(real_file "${PIM_BIN_ROOT}/${relative_path}")
+    set(shim_file "${PIM_GENERATED_PATH_SHIM_ROOT}/${relative_path}")
+    get_filename_component(shim_dir "${shim_file}" DIRECTORY)
+
+    add_custom_command(
+      OUTPUT "${shim_file}"
+      DEPENDS "${real_file}"
+      COMMAND "${CMAKE_COMMAND}" -E make_directory "${shim_dir}"
+      COMMAND "${CMAKE_COMMAND}" -E rm -f "${shim_file}"
+      COMMAND "${CMAKE_COMMAND}" -E create_symlink "${real_file}" "${shim_file}"
+      VERBATIM
+    )
+
+    list(APPEND PIM_GENERATED_PATH_SHIM_OUTPUTS "${shim_file}")
+    set(PIM_GENERATED_PATH_SHIM_OUTPUTS "${PIM_GENERATED_PATH_SHIM_OUTPUTS}" PARENT_SCOPE)
+  endfunction()
+
+  file(GLOB_RECURSE pim_generated_path_scan_sources
+    CONFIGURE_DEPENDS
+    "${PIM_SRC_ROOT}/*.cpp"
+    "${PIM_SRC_ROOT}/*.hpp"
+  )
+
+  set(pim_generated_path_shims)
+  foreach (source_file IN LISTS pim_generated_path_scan_sources)
+    file(READ "${source_file}" source_contents)
+    string(REGEX MATCHALL "#include \"src/Accelerators/PIM/[^\"]+\\.inc\"" source_inc_matches "${source_contents}")
+
+    foreach (inc_match IN LISTS source_inc_matches)
+      string(REGEX REPLACE "^#include \"src/Accelerators/PIM/(.+)\"$" "\\1" relative_inc_path "${inc_match}")
+      list(APPEND pim_generated_path_shims "${relative_inc_path}")
+    endforeach ()
+  endforeach ()
+
+  list(REMOVE_DUPLICATES pim_generated_path_shims)
+  foreach (relative_inc_path IN LISTS pim_generated_path_shims)
+    add_pim_generated_path_shim("${relative_inc_path}")
+  endforeach ()
+
+  add_custom_target(OMPimGeneratedPathShims DEPENDS ${PIM_GENERATED_PATH_SHIM_OUTPUTS})
+  set(PIM_GENERATED_PATH_SHIM_TARGET OMPimGeneratedPathShims)
+endif ()
+
 set(PIM_PUBLIC_INCLUDE_DIRS
   ${ONNX_MLIR_SRC_ROOT}/include
   ${ONNX_MLIR_SRC_ROOT}
@@ -37,6 +87,9 @@ set(PIM_GENERATED_INCLUDE_DIRS
 
 function(add_pim_library name)
   add_onnx_mlir_library(${name} STATIC ${ARGN})
+  if (PIM_GENERATED_PATH_SHIM_TARGET)
+    add_dependencies(${name} ${PIM_GENERATED_PATH_SHIM_TARGET})
+  endif ()
 endfunction()
 
 add_subdirectory(Dialect)