# Distributed under the OSI-approved BSD 3-Clause License. See accompanying
# file Copyright.txt or https://cmake.org/licensing for details.
#.rst:
# WriteBasicConfigVersionFile
# ---------------------------
#
#
#
# ::
#
# WRITE_BASIC_CONFIG_VERSION_FILE( filename
# [VERSION major.minor.patch]
# COMPATIBILITY (AnyNewerVersion|SameMajorVersion)
# )
#
#
#
# Deprecated, see WRITE_BASIC_PACKAGE_VERSION_FILE(), it is identical.
function(WRITE_BASIC_CONFIG_VERSION_FILE _filename)
set(options )
set(oneValueArgs VERSION COMPATIBILITY )
set(multiValueArgs )
cmake_parse_arguments(CVF "${options}" "${oneValueArgs}" "${multiValueArgs}" ${ARGN})
if(CVF_UNPARSED_ARGUMENTS)
message(FATAL_ERROR "Unknown keywords given to WRITE_BASIC_CONFIG_VERSION_FILE(): \"${CVF_UNPARSED_ARGUMENTS}\"")
endif()
set(versionTemplateFile "${CMAKE_ROOT}/Modules/BasicConfigVersion-${CVF_COMPATIBILITY}.cmake.in")
if(NOT EXISTS "${versionTemplateFile}")
message(FATAL_ERROR "Bad COMPATIBILITY value used for WRITE_BASIC_CONFIG_VERSION_FILE(): \"${CVF_COMPATIBILITY}\"")
endif()
if("${CVF_VERSION}" STREQUAL "")
if ("${PROJECT_VERSION}" STREQUAL "")
message(FATAL_ERROR "No VERSION specified for WRITE_BASIC_CONFIG_VERSION_FILE()")
else()
set(CVF_VERSION "${PROJECT_VERSION}")
endif()
endif()
configure_file("${versionTemplateFile}" "${_filename}" @ONLY)
endfunction()