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# Licensed to the Apache Software Foundation (ASF) under one
# or more contributor license agreements. See the NOTICE file
# distributed with this work for additional information
# regarding copyright ownership. The ASF licenses this file
# to you under the Apache License, Version 2.0 (the
# "License"); you may not use this file except in compliance
# with the License. You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing,
# software distributed under the License is distributed on an
# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
# KIND, either express or implied. See the License for the
# specific language governing permissions and limitations
# under the License.
# Create bitcode for the given source file.
function(gandiva_add_bitcode SOURCE)
set(CLANG_OPTIONS -std=c++17)
if(MSVC)
# "19.20" means that it's compatible with Visual Studio 16 2019.
# We can update this to "19.30" when we dropped support for Visual
# Studio 16 2019.
#
# See https://cmake.org/cmake/help/latest/variable/MSVC_VERSION.html
# for MSVC_VERSION and Visual Studio version.
set(FMS_COMPATIBILITY 19.20)
list(APPEND CLANG_OPTIONS -fms-compatibility
-fms-compatibility-version=${FMS_COMPATIBILITY})
endif()
get_filename_component(SOURCE_BASE ${SOURCE} NAME_WE)
get_filename_component(ABSOLUTE_SOURCE ${SOURCE} ABSOLUTE)
set(BC_FILE ${CMAKE_CURRENT_BINARY_DIR}/${SOURCE_BASE}.bc)
set(PRECOMPILE_COMMAND)
if(CMAKE_OSX_SYSROOT)
list(APPEND
PRECOMPILE_COMMAND
${CMAKE_COMMAND}
-E
env
SDKROOT=${CMAKE_OSX_SYSROOT})
endif()
list(APPEND
PRECOMPILE_COMMAND
${CLANG_EXECUTABLE}
${CLANG_OPTIONS}
-DGANDIVA_IR
-DNDEBUG # DCHECK macros not implemented in precompiled code
-DARROW_STATIC # Do not set __declspec(dllimport) on MSVC on Arrow symbols
-DGANDIVA_STATIC # Do not set __declspec(dllimport) on MSVC on Gandiva symbols
-fno-use-cxa-atexit # Workaround for unresolved __dso_handle
-emit-llvm
-O3
-c
${ABSOLUTE_SOURCE}
-o
${BC_FILE}
${ARROW_GANDIVA_PC_CXX_FLAGS})
if(ARROW_BINARY_DIR)
list(APPEND PRECOMPILE_COMMAND -I${ARROW_BINARY_DIR}/src)
endif()
if(ARROW_SOURCE_DIR)
list(APPEND PRECOMPILE_COMMAND -I${ARROW_SOURCE_DIR}/src)
endif()
if(NOT ARROW_USE_NATIVE_INT128)
foreach(boost_include_dir ${Boost_INCLUDE_DIRS})
list(APPEND PRECOMPILE_COMMAND -I${boost_include_dir})
endforeach()
endif()
add_custom_command(OUTPUT ${BC_FILE}
COMMAND ${PRECOMPILE_COMMAND}
DEPENDS ${SOURCE_FILE})
endfunction()
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