1*9880d681SAndroid Build Coastguard Worker# CMake project that writes Subversion revision information to a header. 2*9880d681SAndroid Build Coastguard Worker# 3*9880d681SAndroid Build Coastguard Worker# Input variables: 4*9880d681SAndroid Build Coastguard Worker# SRC - Source directory 5*9880d681SAndroid Build Coastguard Worker# HEADER_FILE - The header file to write 6*9880d681SAndroid Build Coastguard Worker# 7*9880d681SAndroid Build Coastguard Worker# The output header will contain macros FIRST_REPOSITORY and FIRST_REVISION, 8*9880d681SAndroid Build Coastguard Worker# and SECOND_REPOSITORY and SECOND_REVISION if requested, where "FIRST" and 9*9880d681SAndroid Build Coastguard Worker# "SECOND" are substituted with the names specified in the input variables. 10*9880d681SAndroid Build Coastguard Worker 11*9880d681SAndroid Build Coastguard Worker 12*9880d681SAndroid Build Coastguard Worker 13*9880d681SAndroid Build Coastguard Worker# Chop off cmake/modules/GetSVN.cmake 14*9880d681SAndroid Build Coastguard Workerget_filename_component(LLVM_DIR "${CMAKE_SCRIPT_MODE_FILE}" PATH) 15*9880d681SAndroid Build Coastguard Workerget_filename_component(LLVM_DIR "${LLVM_DIR}" PATH) 16*9880d681SAndroid Build Coastguard Workerget_filename_component(LLVM_DIR "${LLVM_DIR}" PATH) 17*9880d681SAndroid Build Coastguard Worker 18*9880d681SAndroid Build Coastguard Workerset(CMAKE_MODULE_PATH 19*9880d681SAndroid Build Coastguard Worker ${CMAKE_MODULE_PATH} 20*9880d681SAndroid Build Coastguard Worker "${LLVM_DIR}/cmake/modules") 21*9880d681SAndroid Build Coastguard Workerinclude(VersionFromVCS) 22*9880d681SAndroid Build Coastguard Worker 23*9880d681SAndroid Build Coastguard Worker# Handle strange terminals 24*9880d681SAndroid Build Coastguard Workerset(ENV{TERM} "dumb") 25*9880d681SAndroid Build Coastguard Worker 26*9880d681SAndroid Build Coastguard Workerfunction(append_info name path) 27*9880d681SAndroid Build Coastguard Worker add_version_info_from_vcs(REVISION ${path}) 28*9880d681SAndroid Build Coastguard Worker string(STRIP "${REVISION}" REVISION) 29*9880d681SAndroid Build Coastguard Worker file(APPEND "${HEADER_FILE}.txt" 30*9880d681SAndroid Build Coastguard Worker "#define ${name} \"${REVISION}\"\n") 31*9880d681SAndroid Build Coastguard Workerendfunction() 32*9880d681SAndroid Build Coastguard Worker 33*9880d681SAndroid Build Coastguard Workerappend_info(${NAME} "${SOURCE_DIR}") 34*9880d681SAndroid Build Coastguard Worker 35*9880d681SAndroid Build Coastguard Worker# Copy the file only if it has changed. 36*9880d681SAndroid Build Coastguard Workerexecute_process(COMMAND ${CMAKE_COMMAND} -E copy_if_different 37*9880d681SAndroid Build Coastguard Worker "${HEADER_FILE}.txt" "${HEADER_FILE}") 38*9880d681SAndroid Build Coastguard Workerfile(REMOVE "${HEADER_FILE}.txt") 39*9880d681SAndroid Build Coastguard Worker 40