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Diffstat (limited to 'modules/FindKexiv2.cmake')
| -rw-r--r-- | modules/FindKexiv2.cmake | 123 |
1 files changed, 123 insertions, 0 deletions
diff --git a/modules/FindKexiv2.cmake b/modules/FindKexiv2.cmake new file mode 100644 index 00000000..4487537c --- /dev/null +++ b/modules/FindKexiv2.cmake @@ -0,0 +1,123 @@ +# - 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(KEXIV2_LOCAL_FOUND) + 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(${PKGCONFIG_EXECUTABLE} ARGS --atleast-version=0.2.0 libkexiv2 RETURN_VALUE _return_VALUE OUTPUT_VARIABLE _pkgconfigDevNull ) + if(_return_VALUE STREQUAL "0") + message(STATUS "Found libkexiv2 release >= 0.2.0") + set(KEXIV2_VERSION_GOOD_FOUND TRUE) + else(_return_VALUE STREQUAL "0") + message(STATUS "Found libkexiv2 release < 0.2.0, too old") + set(KEXIV2_VERSION_GOOD_FOUND FALSE) + set(KEXIV2_FOUND FALSE) + endif(_return_VALUE STREQUAL "0") + else(_KEXIV2LinkFlags) + set(KEXIV2_VERSION_GOOD_FOUND FALSE) + set(KEXIV2_FOUND FALSE) + endif(_KEXIV2LinkFlags) + else(NOT WIN32) + set(KEXIV2_VERSION_GOOD_FOUND TRUE) + endif(NOT WIN32) + + if(KEXIV2_VERSION_GOOD_FOUND) + set(KEXIV2_DEFINITIONS "${_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(KEXIV2_VERSION_GOOD_FOUND) + 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(KEXIV2_LOCAL_FOUND) + +endif (KEXIV2_INCLUDE_DIR AND KEXIV2_LIBRARIES AND KEXIV2_DEFINITIONS) |