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[flang] [mlir] Avoid clobbering mlir-tblgen target by defining dummy imported targets #150987

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[flang] [mlir] Avoid clobbering mlir-tblgen target by defining dummy imported targets #150987

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15 changes: 15 additions & 0 deletions flang/CMakeLists.txt
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Original file line number Diff line number Diff line change
@@ -1,6 +1,21 @@
cmake_minimum_required(VERSION 3.20.0)
set(LLVM_SUBPROJECT_TITLE "Flang")

# Patch: define dummy mlir-tblgen target for TableGen.cmake
if(DEFINED MLIR_TABLEGEN_EXE AND NOT TARGET mlir-tblgen)
add_executable(mlir-tblgen IMPORTED GLOBAL)
set_target_properties(mlir-tblgen PROPERTIES
IMPORTED_LOCATION "${MLIR_TABLEGEN_EXE}"
)
endif()

if(DEFINED MLIR_TABLEGEN_EXE AND NOT TARGET MLIR-TBLGen)
add_executable(MLIR-TBLGen IMPORTED GLOBAL)
set_target_properties(MLIR-TBLGen PROPERTIES
IMPORTED_LOCATION "${MLIR_TABLEGEN_EXE}"
)
endif()

if(NOT DEFINED LLVM_COMMON_CMAKE_UTILS)
set(LLVM_COMMON_CMAKE_UTILS ${CMAKE_CURRENT_SOURCE_DIR}/../cmake)
endif()
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