Also drop MLIR_INCLUDE_DIR

Author: nikic

flang/CMakeLists.txt

@@ -242,9 +242,9 @@ else()
     set(FLANG_BINARY_DIR ${CMAKE_CURRENT_BINARY_DIR})
   endif()
 
-  set(MLIR_INCLUDE_DIR ${MLIR_MAIN_SRC_DIR}/include ) # --includedir
+  set(MLIR_INCLUDE_DIRS ${MLIR_MAIN_SRC_DIR}/include ) # --includedir
   set(MLIR_TABLEGEN_OUTPUT_DIR ${CMAKE_BINARY_DIR}/tools/mlir/include)
-  include_directories(SYSTEM ${MLIR_INCLUDE_DIR})
+  include_directories(SYSTEM ${MLIR_INCLUDE_DIRS})
   include_directories(SYSTEM ${MLIR_TABLEGEN_OUTPUT_DIR})
 endif()
 

flang/include/flang/Optimizer/Dialect/CMakeLists.txt

@@ -37,7 +37,7 @@ set_target_properties(flang-doc PROPERTIES FOLDER "Flang/Docs")
 set(dialect_doc_filename "FIRLangRef")
 
 set(LLVM_TARGET_DEFINITIONS FIROps.td)
-tablegen(MLIR ${dialect_doc_filename}.md -gen-op-doc "-I${MLIR_INCLUDE_DIR}")
+tablegen(MLIR ${dialect_doc_filename}.md -gen-op-doc)
 set(GEN_DOC_FILE ${FLANG_BINARY_DIR}/docs/Dialect/${dialect_doc_filename}.md)
 add_custom_command(
         OUTPUT ${GEN_DOC_FILE}

mlir/cmake/modules/MLIRConfig.cmake.in

@@ -16,9 +16,6 @@ set(MLIR_INSTALL_AGGREGATE_OBJECTS "@MLIR_INSTALL_AGGREGATE_OBJECTS@")
 set(MLIR_ENABLE_BINDINGS_PYTHON "@MLIR_ENABLE_BINDINGS_PYTHON@")
 set(MLIR_ENABLE_EXECUTION_ENGINE "@MLIR_ENABLE_EXECUTION_ENGINE@")
 
-# For mlir_tablegen()
-set(MLIR_INCLUDE_DIR "@MLIR_INCLUDE_DIR@")
-
 set_property(GLOBAL PROPERTY MLIR_ALL_LIBS "@MLIR_ALL_LIBS@")
 set_property(GLOBAL PROPERTY MLIR_DIALECT_LIBS "@MLIR_DIALECT_LIBS@")
 set_property(GLOBAL PROPERTY MLIR_CONVERSION_LIBS "@MLIR_CONVERSION_LIBS@")