Adapt to use installed MLIR

CMakeLists.txt

@@ -1,3 +1,39 @@
+cmake_minimum_required(VERSION 3.10)
+
+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()
+
+project(standalone-dialect LANGUAGES CXX C)
+
+find_package(MLIR REQUIRED CONFIG)
+
+message(STATUS "Using MLIRConfig.cmake in: ${MLIR_DIR}")
+message(STATUS "Using LLVMConfig.cmake in: ${LLVM_DIR}")
+
+list(APPEND CMAKE_MODULE_PATH "${MLIR_CMAKE_DIR}")
+list(APPEND CMAKE_MODULE_PATH "${LLVM_CMAKE_DIR}")
+include(TableGen)
+include(AddLLVM)
+include(AddMLIR)
+include(HandleLLVMOptions)
+
+include_directories(${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})
+
 # MLIR npcomp project.
 set(MLIR_NPCOMP_MAIN_SRC_DIR ${CMAKE_CURRENT_SOURCE_DIR}) # --src-root
 set(MLIR_NPCOMP_INCLUDE_DIR ${CMAKE_CURRENT_SOURCE_DIR}/include) # --includedir

tools/cmake_configure.sh

@@ -0,0 +1,30 @@
+#!/bin/bash
+set -e
+
+# Setup directories.
+td="$(realpath $(dirname $0)/..)"
+build_dir="$td/build"
+install_mlir="$td/install-mlir"
+
+if ! [ -d "$install_mlir/include/mlir" ]; then
+  echo "MLIR install path does not appear valid: $install_mlir"
+  exit 1
+fi
+mkdir -p "$build_dir"
+
+# Make sure we are using python3.
+python_exe="$(which python3)"
+echo "Using python: $python_exe"
+if [ -z "$python_exe" ]; then
+  echo "Could not find python3"
+  exit 1
+fi
+
+set -x
+cmake -GNinja \
+  "-H$td" \
+  "-B$build_dir" \
+  "-DPYTHON_EXECUTABLE=$python_exe" \
+  "-DMLIR_DIR=$install_mlir/lib/cmake/mlir" \
+  "-DLLVM_EXTERNAL_LIT=$build_dir/bin/llvm-lit" \
+  "$@"