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# - Try to find the KExiv2 library
#
# If you have put a local version of libkexiv2 into your source tree,
# set KEXIV2_LOCAL_DIR to the relative path to the local directory.
#
# Once done this will define
#
# KEXIV2_FOUND - system has libkexiv2
# KEXIV2_INCLUDE_DIR - the libkexiv2 include directory
# KEXIV2_LIBRARIES - Link these to use libkexiv2
# KEXIV2_DEFINITIONS - Compiler switches required for using libkexiv2
#
# Copyright (c) 2008, Gilles Caulier, <caulier.gilles@gmail.com>
#
# Redistribution and use is allowed according to the terms of the BSD license.
# For details see the accompanying COPYING-CMAKE-SCRIPTS file.
if (KEXIV2_INCLUDE_DIR AND KEXIV2_LIBRARIES AND KEXIV2_DEFINITIONS)
message(STATUS "Found Kexiv2 library in cache: ${KEXIV2_LIBRARIES}")
# in cache already
set(KEXIV2_FOUND TRUE)
else (KEXIV2_INCLUDE_DIR AND KEXIV2_LIBRARIES AND KEXIV2_DEFINITIONS)
message(STATUS "Check Kexiv2 library in local sub-folder...")
# Check if library is not in local sub-folder
if (KEXIV2_LOCAL_DIR)
set(KEXIV2_LOCAL_FOUND TRUE)
else (KEXIV2_LOCAL_DIR)
find_file(KEXIV2_LOCAL_FOUND libkexiv2/version.h.cmake ${CMAKE_SOURCE_DIR}/libkexiv2 ${CMAKE_SOURCE_DIR}/libs/libkexiv2 NO_DEFAULT_PATH)
if (KEXIV2_LOCAL_FOUND)
# Was it found in libkexiv2/ or in libs/libkexiv2?
find_file(KEXIV2_LOCAL_FOUND_IN_LIBS libkexiv2/version.h.cmake ${CMAKE_SOURCE_DIR}/libs/libkexiv2 NO_DEFAULT_PATH)
if (KEXIV2_LOCAL_FOUND_IN_LIBS)
set(KEXIV2_LOCAL_DIR libs/libkexiv2)
else (KEXIV2_LOCAL_FOUND_IN_LIBS)
set(KEXIV2_LOCAL_DIR libkexiv2)
endif (KEXIV2_LOCAL_FOUND_IN_LIBS)
endif (KEXIV2_LOCAL_FOUND)
endif (KEXIV2_LOCAL_DIR)
if (KEXIV2_LOCAL_FOUND)
# we need two include directories: because the version.h file is put into the build directory
# TODO KEXIV2_INCLUDE_DIR sounds like it should contain only one directory...
set(KEXIV2_INCLUDE_DIR ${CMAKE_SOURCE_DIR}/${KEXIV2_LOCAL_DIR} ${CMAKE_BINARY_DIR}/${KEXIV2_LOCAL_DIR})
set(KEXIV2_DEFINITIONS "-I${CMAKE_SOURCE_DIR}/${KEXIV2_LOCAL_DIR}" "-I${CMAKE_BINARY_DIR}/${KEXIV2_LOCAL_DIR}")
set(KEXIV2_LIBRARIES kexiv2)
message(STATUS "Found Kexiv2 library in local sub-folder: ${CMAKE_SOURCE_DIR}/${KEXIV2_LOCAL_DIR}")
set(KEXIV2_FOUND TRUE)
mark_as_advanced(KEXIV2_INCLUDE_DIR KEXIV2_LIBRARIES KEXIV2_DEFINITIONS)
else()
if(NOT WIN32)
message(STATUS "Check Kexiv2 library using pkg-config...")
# use pkg-config to get the directories and then use these values
# in the FIND_PATH() and FIND_LIBRARY() calls
include(UsePkgConfig)
PKGCONFIG(libkexiv2 _KEXIV2IncDir _KEXIV2LinkDir _KEXIV2LinkFlags _KEXIV2Cflags)
if(_KEXIV2LinkFlags)
# query pkg-config asking for a libkexiv2 >= 0.2.0
exec_program(${PKGCONFIG_EXECUTABLE} ARGS --atleast-version=0.2.0 libkexiv2 RETURN_VALUE _return_VALUE OUTPUT_VARIABLE _pkgconfigDevNull )
if(_return_VALUE STREQUAL "0")
message(STATUS "Found libkexiv2 release >= 0.2.0")
set(KEXIV2_VERSION_GOOD_FOUND TRUE)
else()
message(STATUS "Found libkexiv2 release < 0.2.0, too old")
set(KEXIV2_VERSION_GOOD_FOUND FALSE)
set(KEXIV2_FOUND FALSE)
endif()
else()
set(KEXIV2_VERSION_GOOD_FOUND FALSE)
set(KEXIV2_FOUND FALSE)
endif()
else()
set(KEXIV2_VERSION_GOOD_FOUND TRUE)
endif()
if(KEXIV2_VERSION_GOOD_FOUND)
set(KEXIV2_DEFINITIONS "${_KEXIV2Cflags}")
find_path(KEXIV2_INCLUDE_DIR libkexiv2/version.h
${_KEXIV2IncDir}
)
find_library(KEXIV2_LIBRARIES NAMES kexiv2
PATHS
${_KEXIV2LinkDir}
)
if (KEXIV2_INCLUDE_DIR AND KEXIV2_LIBRARIES)
set(KEXIV2_FOUND TRUE)
endif (KEXIV2_INCLUDE_DIR AND KEXIV2_LIBRARIES)
endif()
if (KEXIV2_FOUND)
if (NOT Kexiv2_FIND_QUIETLY)
message(STATUS "Found libkexiv2: ${KEXIV2_LIBRARIES}")
endif (NOT Kexiv2_FIND_QUIETLY)
else (KEXIV2_FOUND)
if (Kexiv2_FIND_REQUIRED)
if (NOT KEXIV2_INCLUDE_DIR)
message(FATAL_ERROR "Could NOT find libkexiv2 header files")
endif (NOT KEXIV2_INCLUDE_DIR)
if (NOT KEXIV2_LIBRARIES)
message(FATAL_ERROR "Could NOT find libkexiv2 library")
endif (NOT KEXIV2_LIBRARIES)
endif (Kexiv2_FIND_REQUIRED)
endif (KEXIV2_FOUND)
mark_as_advanced(KEXIV2_INCLUDE_DIR KEXIV2_LIBRARIES KEXIV2_DEFINITIONS)
endif()
endif (KEXIV2_INCLUDE_DIR AND KEXIV2_LIBRARIES AND KEXIV2_DEFINITIONS)
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