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Automatically configure MLIR when flang is enabled

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This is more friendly than the "Unknown CMake command “mlir_tablegen”."
that would be issued instead.

Differential Revision: https://reviews.llvm.org/D80359
This commit is contained in:
Mehdi Amini 2020-05-21 05:30:49 +00:00
parent e92c41e0e9
commit e720318fa6
1 changed files with 4 additions and 0 deletions
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4
CMakeLists.txt
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@ -81,6 +81,10 @@ set(LLVM_ENABLE_PROJECTS "" CACHE STRING
if( LLVM_ENABLE_PROJECTS STREQUAL "all" )
set( LLVM_ENABLE_PROJECTS ${LLVM_ALL_PROJECTS})
endif()
if ("flang" IN_LIST LLVM_ENABLE_PROJECTS AND NOT "mlir" IN_LIST LLVM_ENABLE_PROJECTS)
message(STATUS "Enabling MLIR as a dependency to flang")
list(APPEND LLVM_ENABLE_PROJECTS "mlir")
endif()
# LLVM_ENABLE_PROJECTS_USED is `ON` if the user has ever used the
# `LLVM_ENABLE_PROJECTS` CMake cache variable. This exists for