/usr/share/bctoolbox/cmake/BcToolboxCMakeUtils.cmake is in libbctoolbox-dev 0.6.0-2build1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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# BcToolboxCMakeUtils.cmake
# Copyright (C) 2017 Belledonne Communications, Grenoble France
#
############################################################################
#
# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License
# as published by the Free Software Foundation; either version 2
# of the License, or (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
#
############################################################################
set(BCTOOLBOX_CMAKE_UTILS_DIR "${CMAKE_CURRENT_LIST_DIR}")
macro(bc_apply_compile_flags SOURCE_FILES)
if(${SOURCE_FILES})
set(options "")
foreach(a ${ARGN})
if(${a})
string(REPLACE ";" " " options_${a} "${${a}}")
set(options "${options} ${options_${a}}")
endif()
endforeach()
if(options)
set_source_files_properties(${${SOURCE_FILES}} PROPERTIES COMPILE_FLAGS "${options}")
endif()
endif()
endmacro()
macro(bc_git_version PROJECT_NAME PROJECT_VERSION)
find_package(Git)
add_custom_target(${PROJECT_NAME}-git-version
COMMAND ${CMAKE_COMMAND} -DGIT_EXECUTABLE=${GIT_EXECUTABLE} -DPROJECT_NAME=${PROJECT_NAME} -DPROJECT_VERSION=${PROJECT_VERSION} -DWORK_DIR=${CMAKE_CURRENT_SOURCE_DIR} -DTEMPLATE_DIR=${BCTOOLBOX_CMAKE_UTILS_DIR} -DOUTPUT_DIR=${CMAKE_CURRENT_BINARY_DIR} -P ${BCTOOLBOX_CMAKE_UTILS_DIR}/BcGitVersion.cmake
BYPRODUCTS "${CMAKE_CURRENT_BINARY_DIR}/gitversion.h"
)
endmacro()
macro(bc_project_build_version PROJECT_VERSION PROJECT_BUILD_VERSION)
find_program (WC wc)
if (WC)
set(GIT_MINIMUN_VERSION 1.7.1) #might be even lower
else()
set(GIT_MINIMUN_VERSION 1.7.10) # --count option of git rev-list is available only since (more or less) git 1.7.10)
endif()
find_package(Git ${GIT_MINIMUN_VERSION})
string(COMPARE GREATER "${GIT_VERSION_STRING}" "1.7.10" GIT_REV_LIST_HAS_COUNT)
if (GIT_REV_LIST_HAS_COUNT)
set(GIT_REV_LIST_COMMAND "${GIT_EXECUTABLE}" "rev-list" "--count" "${PROJECT_VERSION}..HEAD")
set(WC_COMMAND "more") #nop
else()
set(GIT_REV_LIST_COMMAND "${GIT_EXECUTABLE}" "rev-list" "${PROJECT_VERSION}..HEAD")
set(WC_COMMAND "${WC}" "-l")
endif()
if(GIT_EXECUTABLE)
execute_process(
COMMAND ${GIT_REV_LIST_COMMAND}
COMMAND ${WC_COMMAND}
OUTPUT_VARIABLE PROJECT_VERSION_BUILD
OUTPUT_STRIP_TRAILING_WHITESPACE
WORKING_DIRECTORY ${PROJECT_SOURCE_DIR}
)
endif()
if (NOT PROJECT_VERSION_BUILD)
set(PROJECT_VERSION_BUILD 0)
endif()
endmacro()
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