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find_first_existing_vc_file("${LLVM_MAIN_SRC_DIR}" llvm_vc)
find_first_existing_vc_file("${FLANG_SOURCE_DIR}" flang_vc)
# The VC revision include that we want to generate.
set(version_inc "${CMAKE_CURRENT_BINARY_DIR}/VCSVersion.inc")
set(generate_vcs_version_script "${LLVM_CMAKE_DIR}/GenerateVersionFromVCS.cmake")
if(llvm_vc AND LLVM_APPEND_VC_REV)
set(llvm_source_dir ${LLVM_MAIN_SRC_DIR})
endif()
if(flang_vc AND LLVM_APPEND_VC_REV)
set(flang_source_dir ${FLANG_SOURCE_DIR})
endif()
# Create custom target to generate the VC revision include.
add_custom_command(OUTPUT "${version_inc}"
DEPENDS "${llvm_vc}" "${flang_vc}" "${generate_vcs_version_script}"
COMMAND ${CMAKE_COMMAND} "-DNAMES=\"LLVM;FLANG\""
"-DLLVM_SOURCE_DIR=${llvm_source_dir}"
"-DFLANG_SOURCE_DIR=${flang_source_dir}"
"-DHEADER_FILE=${version_inc}"
-P "${generate_vcs_version_script}")
# Mark the generated header as being generated.
set_source_files_properties("${version_inc}"
PROPERTIES GENERATED TRUE
HEADER_FILE_ONLY TRUE)
if(FLANG_VENDOR)
set_source_files_properties(Version.cpp
PROPERTIES COMPILE_DEFINITIONS "FLANG_VENDOR=\"${FLANG_VENDOR} \"")
endif()
add_flang_library(FortranCommon
Fortran.cpp
Fortran-features.cpp
default-kinds.cpp
idioms.cpp
Version.cpp
${version_inc}
LINK_COMPONENTS
Support
)
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