149 lines
4.8 KiB
CMake
149 lines
4.8 KiB
CMake
#.rst:
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#
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# Generates source code that echoes configuration and build
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# information to the program output.
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# generated cmake files will be written to this path
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# only build info is generated
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# everything else is static for the user
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file(MAKE_DIRECTORY ${PROJECT_BINARY_DIR}/generated_by_cmake)
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set(CMAKE_MODULE_PATH
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${CMAKE_MODULE_PATH}
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${PROJECT_BINARY_DIR}/generated_by_cmake
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)
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#-------------------------------------------------------------------------------
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function(get_git_info
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in_python_executable
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out_git_last_commit_hash
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out_git_last_commit_author
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out_git_last_commit_date
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out_git_branch
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out_git_status_at_build)
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find_package(Git)
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if(GIT_FOUND)
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execute_process(
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COMMAND ${GIT_EXECUTABLE} rev-list --max-count=1 --abbrev-commit HEAD
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OUTPUT_VARIABLE _git_last_commit_hash
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ERROR_QUIET
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)
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if(_git_last_commit_hash)
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string(STRIP ${_git_last_commit_hash} _git_last_commit_hash)
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endif()
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execute_process(
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COMMAND ${GIT_EXECUTABLE} log --max-count=1 HEAD
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OUTPUT_VARIABLE _git_last_commit
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ERROR_QUIET
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)
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if(_git_last_commit)
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string(REGEX MATCH "Author:[ ]*(.+)<" temp "${_git_last_commit}")
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set(_git_last_commit_author ${CMAKE_MATCH_1})
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string(REGEX MATCH "Date:[ ]*(.+(\\+|-)[0-9][0-9][0-9][0-9])" temp "${_git_last_commit}")
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set(_git_last_commit_date ${CMAKE_MATCH_1})
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endif()
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execute_process(
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COMMAND ${in_python_executable} -c "import subprocess; import re; print(re.search(r'\\*.*', subprocess.Popen(['${GIT_EXECUTABLE}', 'branch'], stdout=subprocess.PIPE).communicate()[0], re.MULTILINE).group())"
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OUTPUT_VARIABLE _git_branch
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ERROR_QUIET
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)
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if(_git_branch)
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string(REPLACE "*" "" _git_branch ${_git_branch})
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string(STRIP ${_git_branch} _git_branch)
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endif()
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execute_process(
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COMMAND ${GIT_EXECUTABLE} status -uno
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OUTPUT_VARIABLE _git_status_at_build
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ERROR_QUIET
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)
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set(${out_git_last_commit_hash} ${_git_last_commit_hash} PARENT_SCOPE)
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set(${out_git_last_commit_author} ${_git_last_commit_author} PARENT_SCOPE)
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set(${out_git_last_commit_date} ${_git_last_commit_date} PARENT_SCOPE)
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set(${out_git_branch} ${_git_branch} PARENT_SCOPE)
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set(${out_git_status_at_build} ${_git_status_at_build} PARENT_SCOPE)
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else()
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set(${out_git_last_commit_hash} "" PARENT_SCOPE)
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set(${out_git_last_commit_author} "" PARENT_SCOPE)
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set(${out_git_last_commit_date} "" PARENT_SCOPE)
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set(${out_git_branch} "" PARENT_SCOPE)
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set(${out_git_status_at_build} "" PARENT_SCOPE)
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endif()
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endfunction()
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get_git_info(${PYTHON_EXECUTABLE}
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GIT_COMMIT_HASH
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GIT_COMMIT_AUTHOR
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GIT_COMMIT_DATE
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GIT_BRANCH
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GIT_STATUS_AT_BUILD)
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# get configuration time in UTC
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execute_process(
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COMMAND ${PYTHON_EXECUTABLE} -c "import datetime; print(datetime.datetime.utcnow())"
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OUTPUT_VARIABLE _configuration_time
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)
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string(STRIP ${_configuration_time} _configuration_time) # delete newline
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execute_process(
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COMMAND whoami
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TIMEOUT 1
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OUTPUT_VARIABLE _user_name
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OUTPUT_STRIP_TRAILING_WHITESPACE
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)
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execute_process(
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COMMAND hostname
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TIMEOUT 1
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OUTPUT_VARIABLE _host_name
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OUTPUT_STRIP_TRAILING_WHITESPACE
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)
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get_directory_property(_list_of_definitions DIRECTORY ${PROJECT_SOURCE_DIR} COMPILE_DEFINITIONS)
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# set python version variable when it is not defined automatically
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# this can happen when cmake version is equal or less than 2.8.5
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if(NOT _python_version)
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execute_process(
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COMMAND ${PYTHON_EXECUTABLE} -V
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OUTPUT_VARIABLE _python_version
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ERROR_VARIABLE _python_version
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)
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string(REGEX MATCH "Python ([0-9].[0-9].[0-9])" temp "${_python_version}")
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set(_python_version ${CMAKE_MATCH_1})
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endif()
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configure_file(
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${PROJECT_SOURCE_DIR}/cmake/lib/config_info.in.py
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${PROJECT_BINARY_DIR}/config_info.py
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)
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unset(_configuration_time)
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unset(_user_name)
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unset(_host_name)
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unset(_list_of_definitions)
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unset(_python_version)
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exec_program(
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${PYTHON_EXECUTABLE}
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${PROJECT_BINARY_DIR}
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ARGS config_info.py Fortran > ${PROJECT_BINARY_DIR}/config_info.F90
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OUTPUT_VARIABLE _discard # we don't care about the output
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)
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exec_program(
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${PYTHON_EXECUTABLE}
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${PROJECT_BINARY_DIR}
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ARGS config_info.py CMake > ${PROJECT_BINARY_DIR}/generated_by_cmake/config_info_generated.cmake
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OUTPUT_VARIABLE _discard # we don't care about the output
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)
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include(config_info_generated)
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