How to add_mlir_library

Hello. I’m trying to design a new dialect, and my project sturcture is as follows:


The CMakeList.txt in the top folder is:

project(cdlt-dialect LANGUAGES CXX C)

if(POLICY CMP0068)
  cmake_policy(SET CMP0068 NEW)
  set(CMAKE_BUILD_WITH_INSTALL_NAME_DIR ON)
endif()

if(POLICY CMP0075)
  cmake_policy(SET CMP0075 NEW)
endif()

if(POLICY CMP0077)
  cmake_policy(SET CMP0077 NEW)
endif()

if(POLICY CMP0116)
  cmake_policy(SET CMP0116 OLD)
endif()
set(CMAKE_BUILD_WITH_INSTALL_NAME_DIR ON)

set(CMAKE_CXX_STANDARD 17 CACHE STRING "C++ standard to conform to")

find_package(MLIR REQUIRED CONFIG)

message(STATUS "Using MLIRConfig.cmake in: ${MLIR_DIR}")
message(STATUS "Using LLVMConfig.cmake in: ${LLVM_DIR}")

set(LLVM_RUNTIME_OUTPUT_INTDIR ${CMAKE_BINARY_DIR}/bin)
set(LLVM_LIBRARY_OUTPUT_INTDIR ${CMAKE_BINARY_DIR}/lib)
set(MLIR_BINARY_DIR ${CMAKE_BINARY_DIR})

list(APPEND CMAKE_MODULE_PATH "${MLIR_CMAKE_DIR}")
list(APPEND CMAKE_MODULE_PATH "${LLVM_CMAKE_DIR}")
include(TableGen)
include(AddLLVM)
include(AddMLIR)
include(HandleLLVMOptions)

if(MLIR_ENABLE_BINDINGS_PYTHON)
  include(MLIRDetectPythonEnv)
  mlir_configure_python_dev_packages()
endif()

include_directories(${LLVM_INCLUDE_DIRS})
include_directories(${MLIR_INCLUDE_DIRS})
include_directories(${PROJECT_SOURCE_DIR}/include)
include_directories(${PROJECT_BINARY_DIR}/include)
link_directories(${LLVM_BUILD_LIBRARY_DIR})
add_definitions(${LLVM_DEFINITIONS})

add_subdirectory(include)
add_subdirectory(lib)
if(MLIR_ENABLE_BINDINGS_PYTHON)
  message(STATUS "Enabling Python API")
  add_subdirectory(python)
endif()
add_custom_target(Cdlt ALL)
set_target_properties(Cdlt PROPERTIES FOLDER include/cdlt)
add_dependencies(Cdlt MLIRCdltOpsIncGen)

The CMakeLists.txt in include/cdlt is:

set(LLVM_TARGET_DEFINITIONS cdltDialect.td)
mlir_tablegen(cdltDialect.h.inc -gen-dialect-decls)
mlir_tablegen(cdltDialect.cpp.inc -gen-dialect-defs)

set(LLVM_TARGET_DEFINITIONS cdltOps.td)
mlir_tablegen(cdltOps.h.inc -gen-op-decls)
mlir_tablegen(cdltOps.cpp.inc -gen-op-defs)

add_public_tablegen_target(MLIRCdltOpsIncGen)

add_mlir_dialect(cdltOPs cdlt)
add_mlir_doc(cdltDialect cdltDialect cdlt/ -gen-dialect-doc)
add_mlir_doc(cdltOps cdltOps cdlt/ -gen-op-doc )

The CMakeLists.txt in lib/IR is:

add_mlir_dialect_library(MLIRCdlt
        CdltOps.cpp

        ADDITIONAL_HEADER_DIRS
        ${PROJECT_SOURCE_DIR}/include/cdlt

        DEPENDS
        MLIRCdltOpsIncGen

	LINK_LIBS PUBLIC
	MLIRIR
        MLIRInferTypeOpInterface
	)

When I run the following command in the build folder, I got this error:

cmake -G Ninja .. \
        -DLLVM_EXTERNAL_LIT=/home/qino/Desktop/llvm-project/build/bin/llvm-lit \
        -DMLIR_DIR=/home/qino/Desktop/llvm-project/build/lib/cmake/mlir \
        -DCMAKE_C_COMPILER=clang \
        -DCMAKE_CXX_COMPILER=clang++ \
        -DCMAKE_BUILD_TYPE=Debug \
        ..
cmake --build .

ninja: error: ‘…/include/cdlt/cdltOPs.td’, needed by ‘include/cdlt/cdltOPs.h.inc’, missing and no known rule to make it
Could someone please help me solve this problem? Thanks so much.

This looks correct I think.

Something does not line up here: the case isn’t consistent for the filenames?