llvmPackages_{12,13,14,15,16,17,18,19,20,git}.mlir: use lib.cmake functions

  cmakeFlags =

    [

      "-DLLVM_BUILD_TOOLS=ON"

      (lib.cmakeBool "LLVM_BUILD_TOOLS" true)

      # Install headers as well

      "-DLLVM_INSTALL_TOOLCHAIN_ONLY=OFF"

      "-DMLIR_TOOLS_INSTALL_DIR=${placeholder "out"}/bin/"

      "-DLLVM_ENABLE_IDE=OFF"

      "-DMLIR_INSTALL_PACKAGE_DIR=${placeholder "dev"}/lib/cmake/mlir"

      "-DMLIR_INSTALL_CMAKE_DIR=${placeholder "dev"}/lib/cmake/mlir"

      "-DLLVM_BUILD_TESTS=${if finalAttrs.finalPackage.doCheck then "ON" else "OFF"}"

      "-DLLVM_ENABLE_FFI=ON"

      "-DLLVM_HOST_TRIPLE=${stdenv.hostPlatform.config}"

      "-DLLVM_DEFAULT_TARGET_TRIPLE=${stdenv.hostPlatform.config}"

      "-DLLVM_ENABLE_DUMP=ON"

      "-DLLVM_TABLEGEN_EXE=${buildLlvmTools.tblgen}/bin/llvm-tblgen"

      "-DMLIR_TABLEGEN_EXE=${buildLlvmTools.tblgen}/bin/mlir-tblgen"

      (lib.cmakeBool "LLVM_INSTALL_TOOLCHAIN_ONLY" false)

      (lib.cmakeFeature "MLIR_TOOLS_INSTALL_DIR" "${placeholder "out"}/bin/")

      (lib.cmakeBool "LLVM_ENABLE_IDE" false)

      (lib.cmakeFeature "MLIR_INSTALL_PACKAGE_DIR" "${placeholder "dev"}/lib/cmake/mlir")

      (lib.cmakeFeature "MLIR_INSTALL_CMAKE_DIR" "${placeholder "dev"}/lib/cmake/mlir")

      (lib.cmakeBool "LLVM_BUILD_TESTS" finalAttrs.finalPackage.doCheck)

      (lib.cmakeBool "LLVM_ENABLE_FFI" true)

      (lib.cmakeFeature "LLVM_HOST_TRIPLE" stdenv.hostPlatform.config)

      (lib.cmakeFeature "LLVM_DEFAULT_TARGET_TRIPLE" stdenv.hostPlatform.config)

      (lib.cmakeBool "LLVM_ENABLE_DUMP" true)

      (lib.cmakeFeature "LLVM_TABLEGEN_EXE" "${buildLlvmTools.tblgen}/bin/llvm-tblgen")

      (lib.cmakeFeature "MLIR_TABLEGEN_EXE" "${buildLlvmTools.tblgen}/bin/mlir-tblgen")

      (lib.cmakeBool "LLVM_BUILD_LLVM_DYLIB" (!stdenv.hostPlatform.isStatic))

    ]

    ++ lib.optionals stdenv.hostPlatform.isStatic [

      # Disables building of shared libs, -fPIC is still injected by cc-wrapper

      "-DLLVM_ENABLE_PIC=OFF"

      "-DLLVM_BUILD_STATIC=ON"

      "-DLLVM_LINK_LLVM_DYLIB=OFF"

      (lib.cmakeBool "LLVM_ENABLE_PIC" false)

      (lib.cmakeBool "LLVM_BUILD_STATIC" true)

      (lib.cmakeBool "LLVM_LINK_LLVM_DYLIB" false)

    ]

    ++ devExtraCmakeFlags;