cmake/rules/RulesLibExiv2.cmake

0001 #
0002 # SPDX-FileCopyrightText: 2010-2024 by Gilles Caulier, <caulier dot gilles at gmail dot com>
0003 #
0004 # SPDX-License-Identifier: BSD-3-Clause
0005 #
0006
0007 find_package(LibExiv2 OPTIONAL_COMPONENTS)
0008
0009 if(LibExiv2_FOUND AND ("${LibExiv2_VERSION}" VERSION_GREATER "0.27.99"))
0010
0011     find_package(LibExiv2 REQUIRED)
0012     set(EXIV2_PACKAGE_NAME "LibExiv2")
0013
0014 else()
0015
0016     set(LibExiv2_FOUND FALSE)
0017     find_package(exiv2 REQUIRED)
0018     set(EXIV2_PACKAGE_NAME "exiv2")
0019
0020 endif()
0021
0022 set_package_properties(${EXIV2_PACKAGE_NAME} PROPERTIES
0023                        URL                   "https://www.exiv2.org"
0024                        TYPE                  RECOMMENDED
0025                        PURPOSE               "Library to manage image metadata (Required to build digiKam)"
0026 )
0027
0028 if(LibExiv2_FOUND)
0029
0030     if("${LibExiv2_VERSION}" VERSION_LESS ${EXIV2_MIN_VERSION})
0031
0032         message(FATAL_ERROR "Exiv2 version is too old (${LibExiv2_VERSION})! Minimal version required:${EXIV2_MIN_VERSION}.")
0033
0034     endif()
0035
0036 else()
0037
0038     if("${exiv2_VERSION}" VERSION_LESS ${EXIV2_MIN_VERSION})
0039
0040         message(FATAL_ERROR "Exiv2 version is too old (${exiv2_VERSION})! Minimal version required:${EXIV2_MIN_VERSION}.")
0041
0042     endif()
0043
0044 endif()
0045
0046 if(("${exiv2_VERSION}" VERSION_GREATER "0.27.99") OR ("${LibExiv2_VERSION}" VERSION_GREATER "0.27.99"))
0047
0048     set(EXIV2_CXX_STANDARD 17)
0049
0050 else()
0051
0052     set(EXIV2_CXX_STANDARD 11)
0053
0054 endif()