cmake/macros/MacroGitHeader.cmake

0001 # Macro to create git version header
0002 #
0003 # SPDX-FileCopyrightText: 2010-2024 by Gilles Caulier, <caulier dot gilles at gmail dot com>
0004 #
0005 # SPDX-License-Identifier: BSD-3-Clause
0006 #
0007
0008 macro(GIT_HEADER)
0009
0010     # We only do this IF we are in a .git dir
0011
0012     find_file(GIT_MARKER entries PATHS ${CMAKE_SOURCE_DIR}/.git)
0013
0014     if(NOT GIT_MARKER)
0015
0016         set(GIT_MARKER ${CMAKE_SOURCE_DIR}/CMakeLists.txt)  # Dummy file
0017
0018     endif()
0019
0020     # Add a custom command to drive the git script whenever the git entries
0021     # file changes.
0022
0023     configure_file("${CMAKE_CURRENT_SOURCE_DIR}/cmake/templates/gitscript.cmake.in"
0024                    "${CMAKE_CURRENT_BINARY_DIR}/gitscript.cmake"
0025                    @ONLY)
0026
0027     # Add a custom target to drive the custom command.
0028
0029     add_custom_target(digikam-gitversion ALL COMMAND ${CMAKE_COMMAND} -P
0030                       "${CMAKE_CURRENT_BINARY_DIR}/gitscript.cmake")
0031
0032 endmacro()