set(LLVM_LINK_COMPONENTS
  Core
  MC
  Support
  )

find_first_existing_vc_file("${LLVM_MAIN_SRC_DIR}" llvm_vc)
find_first_existing_vc_file("${CLANG_SOURCE_DIR}" clang_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_PATH}/GenerateVersionFromVCS.cmake")

if(llvm_vc AND LLVM_APPEND_VC_REV)
  set(llvm_source_dir ${LLVM_MAIN_SRC_DIR})
endif()
if(clang_vc AND LLVM_APPEND_VC_REV)
  set(clang_source_dir ${CLANG_SOURCE_DIR})
endif()

# Create custom target to generate the VC revision include.
add_custom_command(OUTPUT "${version_inc}"
  DEPENDS "${llvm_vc}" "${clang_vc}" "${generate_vcs_version_script}"
  COMMAND ${CMAKE_COMMAND} "-DNAMES=\"LLVM;CLANG\""
                           "-DLLVM_SOURCE_DIR=${llvm_source_dir}"
                           "-DCLANG_SOURCE_DIR=${clang_source_dir}"
                           "-DHEADER_FILE=${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)

set_property(SOURCE Version.cpp APPEND PROPERTY
             COMPILE_DEFINITIONS "HAVE_VCS_VERSION_INC")

add_clang_library(clangBasic
  Attributes.cpp
  Builtins.cpp
  CharInfo.cpp
  CodeGenOptions.cpp
  Cuda.cpp
  Diagnostic.cpp
  DiagnosticIDs.cpp
  DiagnosticOptions.cpp
  FileManager.cpp
  FileSystemStatCache.cpp
  FixedPoint.cpp
  IdentifierTable.cpp
  LangOptions.cpp
  LangStandards.cpp
  Module.cpp
  ObjCRuntime.cpp
  OpenMPKinds.cpp
  OperatorPrecedence.cpp
  SanitizerBlacklist.cpp
  SanitizerSpecialCaseList.cpp
  Sanitizers.cpp
  SourceLocation.cpp
  SourceManager.cpp
  Stack.cpp
  TargetInfo.cpp
  Targets.cpp
  Targets/AArch64.cpp
  Targets/AMDGPU.cpp
  Targets/ARC.cpp
  Targets/ARM.cpp
  Targets/AVR.cpp
  Targets/BPF.cpp
  Targets/Hexagon.cpp
  Targets/Lanai.cpp
  Targets/Le64.cpp
  Targets/MSP430.cpp
  Targets/Mips.cpp
  Targets/NVPTX.cpp
  Targets/OSTargets.cpp
  Targets/PNaCl.cpp
  Targets/PPC.cpp
  Targets/RISCV.cpp
  Targets/SPIR.cpp
  Targets/Sparc.cpp
  Targets/SystemZ.cpp
  Targets/TCE.cpp
  Targets/WebAssembly.cpp
  Targets/X86.cpp
  Targets/XCore.cpp
  TokenKinds.cpp
  Version.cpp
  Warnings.cpp
  XRayInstr.cpp
  XRayLists.cpp
  ${version_inc}
  )