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# - Try to find the Kdcraw library
#
# If you have put a local version of libkdcraw into your source tree,
# set KDCRAW_LOCAL_DIR to the relative path to the local directory.
#
# Once done this will define
#
# KDCRAW_FOUND - system has libkdcraw
# KDCRAW_INCLUDE_DIR - the libkdcraw include directory
# KDCRAW_LIBRARIES - Link these to use libkdcraw
# KDCRAW_DEFINITIONS - Compiler switches required for using libkdcraw
#
# 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 (KDCRAW_INCLUDE_DIR AND KDCRAW_LIBRARIES AND KDCRAW_DEFINITIONS)
message(STATUS "Found Kdcraw library in cache: ${KDCRAW_LIBRARIES}")
# in cache already
set(KDCRAW_FOUND TRUE)
else (KDCRAW_INCLUDE_DIR AND KDCRAW_LIBRARIES AND KDCRAW_DEFINITIONS)
message(STATUS "Check Kdcraw library in local sub-folder...")
# Check if library is not in local sub-folder
if (KDCRAW_LOCAL_DIR)
set (KDCRAW_LOCAL_FOUND TRUE)
else (KDCRAW_LOCAL_DIR)
find_file(KDCRAW_LOCAL_FOUND libkdcraw/kdcraw.h ${CMAKE_SOURCE_DIR}/libkdcraw ${CMAKE_SOURCE_DIR}/libs/libkdcraw NO_DEFAULT_PATH)
if (KDCRAW_LOCAL_FOUND)
# Was it found in libkdcraw/ or in libs/libkdcraw?
find_file(KDCRAW_LOCAL_FOUND_IN_LIBS libkdcraw/kdcraw.h ${CMAKE_SOURCE_DIR}/libs/libkdcraw NO_DEFAULT_PATH)
if (KDCRAW_LOCAL_FOUND_IN_LIBS)
set(KDCRAW_LOCAL_DIR libs/libkdcraw)
else (KDCRAW_LOCAL_FOUND_IN_LIBS)
set(KDCRAW_LOCAL_DIR libkdcraw)
endif (KDCRAW_LOCAL_FOUND_IN_LIBS)
endif (KDCRAW_LOCAL_FOUND)
endif (KDCRAW_LOCAL_DIR)
if (KDCRAW_LOCAL_FOUND)
# we need two include directories: because the version.h file is put into the build directory
# TODO KDCRAW_INCLUDE_DIR sounds like it should contain only one directory...
set(KDCRAW_INCLUDE_DIR ${CMAKE_SOURCE_DIR}/${KDCRAW_LOCAL_DIR} ${CMAKE_BINARY_DIR}/${KDCRAW_LOCAL_DIR})
set(KDCRAW_DEFINITIONS "-I${CMAKE_SOURCE_DIR}/${KDCRAW_LOCAL_DIR}" "-I${CMAKE_BINARY_DIR}/${KDCRAW_LOCAL_DIR}")
set(KDCRAW_LIBRARIES kdcraw)
message(STATUS "Found Kdcraw library in local sub-folder: ${CMAKE_SOURCE_DIR}/${KDCRAW_LOCAL_DIR}")
set(KDCRAW_FOUND TRUE)
mark_as_advanced(KDCRAW_INCLUDE_DIR KDCRAW_LIBRARIES KDCRAW_DEFINITIONS)
else(KDCRAW_LOCAL_FOUND)
message(STATUS "Check Kdcraw library using pkg-config...")
if (NOT WIN32)
# use pkg-config to get the directories and then use these values
# in the FIND_PATH() and FIND_LIBRARY() calls
include(UsePkgConfig)
PKGCONFIG(libkdcraw _KDCRAWIncDir _KDCRAWLinkDir _KDCRAWLinkFlags _KDCRAWCflags)
if (_KDCRAWLinkFlags)
# query pkg-config asking for a libkdcraw >= 0.2.0
exec_program(${PKGCONFIG_EXECUTABLE} ARGS --atleast-version=0.2.0 libkdcraw RETURN_VALUE _return_VALUE OUTPUT_VARIABLE _pkgconfigDevNull )
if (_return_VALUE STREQUAL "0")
message(STATUS "Found libkdcraw release >= 0.2.0")
set(KDCRAW_VERSION_GOOD_FOUND TRUE)
else (_return_VALUE STREQUAL "0")
message(STATUS "Found libkdcaw release < 0.2.0, too old")
set(KDCRAW_VERSION_GOOD_FOUND FALSE)
set(KDCRAW_FOUND FALSE)
endif (_return_VALUE STREQUAL "0")
else (_KDCRAWLinkFlags)
set(KDCRAW_VERSION_GOOD_FOUND FALSE)
set(KDCRAW_FOUND FALSE)
endif (_KDCRAWLinkFlags)
else (NOT WIN32)
set(KDCRAW_VERSION_GOOD_FOUND TRUE)
endif (NOT WIN32)
if (KDCRAW_VERSION_GOOD_FOUND)
set(KDCRAW_DEFINITIONS "${_KDCRAWCflags}")
find_path(KDCRAW_INCLUDE_DIR libkdcraw/version.h
${_KDCRAWIncDir}
)
find_library(KDCRAW_LIBRARIES NAMES kdcraw
PATHS
${_KDCRAWLinkDir}
)
if (KDCRAW_INCLUDE_DIR AND KDCRAW_LIBRARIES)
set(KDCRAW_FOUND TRUE)
endif (KDCRAW_INCLUDE_DIR AND KDCRAW_LIBRARIES)
endif (KDCRAW_VERSION_GOOD_FOUND)
if (KDCRAW_FOUND)
if (NOT Kdcraw_FIND_QUIETLY)
message(STATUS "Found libkdcraw: ${KDCRAW_LIBRARIES}")
endif (NOT Kdcraw_FIND_QUIETLY)
else (KDCRAW_FOUND)
if (Kdcraw_FIND_REQUIRED)
if (NOT KDCRAW_INCLUDE_DIR)
message(FATAL_ERROR "Could NOT find libkdcraw header files")
endif (NOT KDCRAW_INCLUDE_DIR)
if (NOT KDCRAW_LIBRARIES)
message(FATAL_ERROR "Could NOT find libkdcraw library")
endif (NOT KDCRAW_LIBRARIES)
endif (Kdcraw_FIND_REQUIRED)
endif (KDCRAW_FOUND)
mark_as_advanced(KDCRAW_INCLUDE_DIR KDCRAW_LIBRARIES KDCRAW_DEFINITIONS)
endif(KDCRAW_LOCAL_FOUND)
endif (KDCRAW_INCLUDE_DIR AND KDCRAW_LIBRARIES AND KDCRAW_DEFINITIONS)
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