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## Copyright (c) 2012-2020 Leonid Yuriev <leo@yuriev.ru>.
##
## Licensed 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.
##
cmake_minimum_required(VERSION 3.8.2)
cmake_policy(PUSH)
cmake_policy(VERSION 3.8.2)
macro(add_compile_flags languages)
foreach(_lang ${languages})
string(REPLACE ";" " " _flags "${ARGN}")
if(CMAKE_CXX_COMPILER_LOADED AND _lang STREQUAL "CXX")
set("${_lang}_FLAGS" "${${_lang}_FLAGS} ${_flags}")
endif()
if(CMAKE_C_COMPILER_LOADED AND _lang STREQUAL "C")
set("${_lang}_FLAGS" "${${_lang}_FLAGS} ${_flags}")
endif()
endforeach()
unset(_lang)
unset(_flags)
endmacro(add_compile_flags)
macro(set_source_files_compile_flags)
foreach(file ${ARGN})
get_filename_component(_file_ext ${file} EXT)
set(_lang "")
if("${_file_ext}" STREQUAL ".m")
set(_lang OBJC)
# CMake believes that Objective C is a flavor of C++, not C,
# and uses g++ compiler for .m files.
# LANGUAGE property forces CMake to use CC for ${file}
set_source_files_properties(${file} PROPERTIES LANGUAGE C)
elseif("${_file_ext}" STREQUAL ".mm")
set(_lang OBJCXX)
endif()
if(_lang)
get_source_file_property(_flags ${file} COMPILE_FLAGS)
if("${_flags}" STREQUAL "NOTFOUND")
set(_flags "${CMAKE_${_lang}_FLAGS}")
else()
set(_flags "${_flags} ${CMAKE_${_lang}_FLAGS}")
endif()
# message(STATUS "Set (${file} ${_flags}")
set_source_files_properties(${file} PROPERTIES COMPILE_FLAGS
"${_flags}")
endif()
endforeach()
unset(_file_ext)
unset(_lang)
endmacro(set_source_files_compile_flags)
macro(fetch_version name source_root_directory parent_scope)
set(${name}_VERSION "")
set(${name}_GIT_DESCRIBE "")
set(${name}_GIT_TIMESTAMP "")
set(${name}_GIT_TREE "")
set(${name}_GIT_COMMIT "")
set(${name}_GIT_REVISION 0)
set(${name}_GIT_VERSION "")
if(GIT AND EXISTS "${source_root_directory}/.git")
execute_process(COMMAND ${GIT} describe --tags --long --dirty=-dirty
OUTPUT_VARIABLE ${name}_GIT_DESCRIBE
OUTPUT_STRIP_TRAILING_WHITESPACE
WORKING_DIRECTORY ${source_root_directory}
RESULT_VARIABLE rc)
if(rc OR "${name}_GIT_DESCRIBE" STREQUAL "")
message(FATAL_ERROR "Please fetch tags and/or install latest version of git ('describe --tags --long --dirty' failed)")
endif()
execute_process(COMMAND ${GIT} show --no-patch --format=%cI HEAD
OUTPUT_VARIABLE ${name}_GIT_TIMESTAMP
OUTPUT_STRIP_TRAILING_WHITESPACE
WORKING_DIRECTORY ${source_root_directory}
RESULT_VARIABLE rc)
if(rc OR "${name}_GIT_TIMESTAMP" STREQUAL "%cI")
execute_process(COMMAND ${GIT} show --no-patch --format=%ci HEAD
OUTPUT_VARIABLE ${name}_GIT_TIMESTAMP
OUTPUT_STRIP_TRAILING_WHITESPACE
WORKING_DIRECTORY ${source_root_directory}
RESULT_VARIABLE rc)
if(rc OR "${name}_GIT_TIMESTAMP" STREQUAL "%ci")
message(FATAL_ERROR "Please install latest version of git ('show --no-patch --format=%cI HEAD' failed)")
endif()
endif()
execute_process(COMMAND ${GIT} show --no-patch --format=%T HEAD
OUTPUT_VARIABLE ${name}_GIT_TREE
OUTPUT_STRIP_TRAILING_WHITESPACE
WORKING_DIRECTORY ${source_root_directory}
RESULT_VARIABLE rc)
if(rc OR "${name}_GIT_TREE" STREQUAL "")
message(FATAL_ERROR "Please install latest version of git ('show --no-patch --format=%T HEAD' failed)")
endif()
execute_process(COMMAND ${GIT} show --no-patch --format=%H HEAD
OUTPUT_VARIABLE ${name}_GIT_COMMIT
OUTPUT_STRIP_TRAILING_WHITESPACE
WORKING_DIRECTORY ${source_root_directory}
RESULT_VARIABLE rc)
if(rc OR "${name}_GIT_COMMIT" STREQUAL "")
message(FATAL_ERROR "Please install latest version of git ('show --no-patch --format=%H HEAD' failed)")
endif()
execute_process(COMMAND ${GIT} describe --tags --abbrev=0 "--match=v[0-9]*"
OUTPUT_VARIABLE last_release_tag
OUTPUT_STRIP_TRAILING_WHITESPACE
WORKING_DIRECTORY ${source_root_directory}
RESULT_VARIABLE rc)
if(rc)
message(FATAL_ERROR "Please install latest version of git ('describe --tags --abbrev=0 --match=v[0-9]*' failed)")
endif()
if (last_release_tag)
set(git_revlist_arg "${last_release_tag}..HEAD")
else()
execute_process(COMMAND ${GIT} tag --sort=-version:refname
OUTPUT_VARIABLE tag_list
OUTPUT_STRIP_TRAILING_WHITESPACE
WORKING_DIRECTORY ${source_root_directory}
RESULT_VARIABLE rc)
if(rc)
message(FATAL_ERROR "Please install latest version of git ('tag --sort=-version:refname' failed)")
endif()
string(REGEX REPLACE "\n" ";" tag_list "${tag_list}")
set(git_revlist_arg "HEAD")
foreach(tag IN LISTS tag_list)
if(NOT last_release_tag)
string(REGEX MATCH "^v[0-9]+(\.[0-9]+)+" last_release_tag "${tag}")
set(git_revlist_arg "${tag}..HEAD")
endif()
endforeach(tag)
endif()
execute_process(COMMAND ${GIT} rev-list --count "${git_revlist_arg}"
OUTPUT_VARIABLE ${name}_GIT_REVISION
OUTPUT_STRIP_TRAILING_WHITESPACE
WORKING_DIRECTORY ${source_root_directory}
RESULT_VARIABLE rc)
if(rc OR "${name}_GIT_REVISION" STREQUAL "")
message(FATAL_ERROR "Please install latest version of git ('rev-list --count ${git_revlist_arg}' failed)")
endif()
string(REGEX MATCH "^(v)?([0-9]+)\\.([0-9]+)\\.([0-9]+)(.*)?" git_version_valid "${${name}_GIT_DESCRIBE}")
if(git_version_valid)
string(REGEX REPLACE "^(v)?([0-9]+)\\.([0-9]+)\\.([0-9]+)(.*)?" "\\2;\\3;\\4" ${name}_GIT_VERSION ${${name}_GIT_DESCRIBE})
else()
string(REGEX MATCH "^(v)?([0-9]+)\\.([0-9]+)(.*)?" git_version_valid "${${name}_GIT_DESCRIBE}")
if(git_version_valid)
string(REGEX REPLACE "^(v)?([0-9]+)\\.([0-9]+)(.*)?" "\\2;\\3;0" ${name}_GIT_VERSION ${${name}_GIT_DESCRIBE})
else()
message(AUTHOR_WARNING "Bad ${name} version \"${${name}_GIT_DESCRIBE}\"; falling back to 0.0.0 (have you made an initial release?)")
set(${name}_GIT_VERSION "0;0;0")
endif()
endif()
endif()
if(NOT ${name}_GIT_VERSION OR NOT ${name}_GIT_TIMESTAMP OR ${name}_GIT_REVISION STREQUAL "")
if(GIT AND EXISTS "${source_root_directory}/.git")
message(WARNING "Unable to retrieve ${name} version from git.")
endif()
set(${name}_GIT_VERSION "0;0;0;0")
set(${name}_GIT_TIMESTAMP "")
set(${name}_GIT_REVISION 0)
# Try to get version from VERSION file
set(version_file "${source_root_directory}/VERSION")
if(EXISTS "${version_file}")
file(STRINGS "${version_file}" ${name}_VERSION LIMIT_COUNT 1 LIMIT_INPUT 42)
endif()
if(NOT ${name}_VERSION)
message(WARNING "Unable to retrieve ${name} version from \"${version_file}\" file.")
set(${name}_VERSION_LIST ${${name}_GIT_VERSION})
string(REPLACE ";" "." ${name}_VERSION "${${name}_GIT_VERSION}")
else()
string(REPLACE "." ";" ${name}_VERSION_LIST ${${name}_VERSION})
endif()
else()
list(APPEND ${name}_GIT_VERSION ${${name}_GIT_REVISION})
set(${name}_VERSION_LIST ${${name}_GIT_VERSION})
string(REPLACE ";" "." ${name}_VERSION "${${name}_GIT_VERSION}")
endif()
list(GET ${name}_VERSION_LIST 0 "${name}_VERSION_MAJOR")
list(GET ${name}_VERSION_LIST 1 "${name}_VERSION_MINOR")
list(GET ${name}_VERSION_LIST 2 "${name}_VERSION_RELEASE")
list(GET ${name}_VERSION_LIST 3 "${name}_VERSION_REVISION")
if(${parent_scope})
set(${name}_VERSION_MAJOR "${${name}_VERSION_MAJOR}" PARENT_SCOPE)
set(${name}_VERSION_MINOR "${${name}_VERSION_MINOR}" PARENT_SCOPE)
set(${name}_VERSION_RELEASE "${${name}_VERSION_RELEASE}" PARENT_SCOPE)
set(${name}_VERSION_REVISION "${${name}_VERSION_REVISION}" PARENT_SCOPE)
set(${name}_VERSION "${${name}_VERSION}" PARENT_SCOPE)
set(${name}_GIT_DESCRIBE "${${name}_GIT_DESCRIBE}" PARENT_SCOPE)
set(${name}_GIT_TIMESTAMP "${${name}_GIT_TIMESTAMP}" PARENT_SCOPE)
set(${name}_GIT_TREE "${${name}_GIT_TREE}" PARENT_SCOPE)
set(${name}_GIT_COMMIT "${${name}_GIT_COMMIT}" PARENT_SCOPE)
set(${name}_GIT_REVISION "${${name}_GIT_REVISION}" PARENT_SCOPE)
set(${name}_GIT_VERSION "${${name}_GIT_VERSION}" PARENT_SCOPE)
endif()
endmacro(fetch_version)
cmake_policy(POP)
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