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kdelibs/kdelibs-FindKdcraw.patch
Rex Dieter 3312db0256 FindKdcraw.cmake fixes(kde#311936)
2013-01-02 05:50:26 -06:00

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diff --git a/cmake/modules/FindKdcraw.cmake b/cmake/modules/FindKdcraw.cmake
index 518033d..1d1a2ac 100644
--- a/cmake/modules/FindKdcraw.cmake
+++ b/cmake/modules/FindKdcraw.cmake
@@ -1,124 +1,157 @@
-# - Try to find the Kdcraw library
+# 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.
+# Parameters:
+# KDCRAW_LOCAL_DIR - If you have put a local version of libkdcraw into
+# your source tree, set KDCRAW_LOCAL_DIR to the
+# relative path from the root of your source tree
+# to the libkdcraw local directory.
#
# Once done this will define
#
-# KDCRAW_FOUND - system has libkdcraw
-# KDCRAW_INCLUDE_DIR - the libkdcraw include directory
+# KDCRAW_FOUND - System has libkdcraw
+# KDCRAW_INCLUDE_DIR - The libkdcraw include directory/directories (for #include <libkdcraw/...> style)
# KDCRAW_LIBRARIES - Link these to use libkdcraw
# KDCRAW_DEFINITIONS - Compiler switches required for using libkdcraw
+# KDCRAW_VERSION - Version of libkdcraw which was found
#
-
-# Copyright (c) 2008, Gilles Caulier, <caulier.gilles@gmail.com>
+# Copyright (c) 2008-2011, Gilles Caulier, <caulier.gilles@gmail.com>
+# Copyright (c) 2011, Michael G. Hansen, <mike@mghansen.de>
#
# Redistribution and use is allowed according to the terms of the BSD license.
# For details see the accompanying COPYING-CMAKE-SCRIPTS file.
+# Kdcraw_FIND_QUIETLY and Kdcraw_FIND_REQUIRED may be defined by CMake.
-if (KDCRAW_INCLUDE_DIR AND KDCRAW_LIBRARIES AND KDCRAW_DEFINITIONS)
+if (KDCRAW_INCLUDE_DIR AND KDCRAW_LIBRARIES AND KDCRAW_DEFINITIONS AND KDCRAW_VERSION)
- message(STATUS "Found Kdcraw library in cache: ${KDCRAW_LIBRARIES}")
+ if (NOT Kdcraw_FIND_QUIETLY)
+ message(STATUS "Found Kdcraw library in cache: ${KDCRAW_LIBRARIES}")
+ endif (NOT Kdcraw_FIND_QUIETLY)
# 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...")
+else (KDCRAW_INCLUDE_DIR AND KDCRAW_LIBRARIES AND KDCRAW_DEFINITIONS AND KDCRAW_VERSION)
- # Check if library is not in local sub-folder
+ if (NOT Kdcraw_FIND_QUIETLY)
+ message(STATUS "Check for Kdcraw library in local sub-folder...")
+ endif (NOT Kdcraw_FIND_QUIETLY)
+ # Check for a local version of the library.
if (KDCRAW_LOCAL_DIR)
- set (KDCRAW_LOCAL_FOUND TRUE)
+ find_file(KDCRAW_LOCAL_FOUND libkdcraw/version.h.cmake ${CMAKE_SOURCE_DIR}/${KDCRAW_LOCAL_DIR} NO_DEFAULT_PATH)
+ if (NOT KDCRAW_LOCAL_FOUND)
+ message(WARNING "KDCRAW_LOCAL_DIR specified as \"${KDCRAW_LOCAL_DIR}\" but libkdcraw could not be found there.")
+ endif (NOT KDCRAW_LOCAL_FOUND)
else (KDCRAW_LOCAL_DIR)
- find_file(KDCRAW_LOCAL_FOUND libkdcraw/kdcraw.h ${CMAKE_SOURCE_DIR}/libkdcraw ${CMAKE_SOURCE_DIR}/libs/libkdcraw NO_DEFAULT_PATH)
-
+ find_file(KDCRAW_LOCAL_FOUND libkdcraw/version.h.cmake ${CMAKE_SOURCE_DIR}/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)
+ set(KDCRAW_LOCAL_DIR libkdcraw)
+ endif (KDCRAW_LOCAL_FOUND)
+ find_file(KDCRAW_LOCAL_FOUND libkdcraw/version.h.cmake ${CMAKE_SOURCE_DIR}/libs/libkdcraw NO_DEFAULT_PATH)
+ if (KDCRAW_LOCAL_FOUND)
+ set(KDCRAW_LOCAL_DIR libs/libkdcraw)
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
+ # 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}")
+ if (NOT Kdcraw_FIND_QUIETLY)
+ message(STATUS "Found Kdcraw library in local sub-folder: ${CMAKE_SOURCE_DIR}/${KDCRAW_LOCAL_DIR}")
+ endif (NOT Kdcraw_FIND_QUIETLY)
set(KDCRAW_FOUND TRUE)
- mark_as_advanced(KDCRAW_INCLUDE_DIR KDCRAW_LIBRARIES KDCRAW_DEFINITIONS)
- else(KDCRAW_LOCAL_FOUND)
+ set(kdcraw_version_h_filename "${CMAKE_BINARY_DIR}/${KDCRAW_LOCAL_DIR}/libkdcraw/version.h")
- message(STATUS "Check Kdcraw library using pkg-config...")
+ else (KDCRAW_LOCAL_FOUND)
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(${PKGCONFIG_EXECUTABLE} ARGS --atleast-version=0.2.0 libkdcraw RETURN_VALUE _return_VALUE OUTPUT_VARIABLE _pkgconfigDevNull )
- if (_return_VALUE STREQUAL "0")
- message(STATUS "Found libkdcraw release >= 0.2.0")
- set(KDCRAW_VERSION_GOOD_FOUND TRUE)
- else (_return_VALUE STREQUAL "0")
- message(STATUS "Found libkdcaw release < 0.2.0, too old")
- set(KDCRAW_VERSION_GOOD_FOUND FALSE)
- set(KDCRAW_FOUND FALSE)
- endif (_return_VALUE STREQUAL "0")
- else (_KDCRAWLinkFlags)
+ if (NOT Kdcraw_FIND_QUIETLY)
+ message(STATUS "Check Kdcraw library using pkg-config...")
+ endif (NOT Kdcraw_FIND_QUIETLY)
+
+ # use FindPkgConfig to get the directories and then use these values
+ # in the find_path() and find_library() calls
+ include(FindPkgConfig)
+
+ pkg_check_modules(PC_KDCRAW libkdcraw)
+
+ if (PC_KDCRAW_FOUND)
+ # make sure the version is >= 0.2.0
+ # TODO: WHY?
+ if (PC_KDCRAW_VERSION VERSION_LESS 0.2.0)
+ message(STATUS "Found libkdcraw release < 0.2.0, too old")
+ set(KDCRAW_VERSION_GOOD_FOUND FALSE)
+ set(KDCRAW_FOUND FALSE)
+ else (PC_KDCRAW_VERSION VERSION_LESS 0.2.0)
+ set(KDCRAW_VERSION "${PC_KDCRAW_VERSION}")
+ if (NOT Kdcraw_FIND_QUIETLY)
+ message(STATUS "Found libkdcraw release ${KDCRAW_VERSION}")
+ endif (NOT Kdcraw_FIND_QUIETLY)
+ set(KDCRAW_VERSION_GOOD_FOUND TRUE)
+ endif (PC_KDCRAW_VERSION VERSION_LESS 0.2.0)
+ else (PC_KDCRAW_FOUND)
set(KDCRAW_VERSION_GOOD_FOUND FALSE)
- set(KDCRAW_FOUND FALSE)
- endif (_KDCRAWLinkFlags)
+ endif (PC_KDCRAW_FOUND)
else (NOT WIN32)
+ # TODO: Why do we just assume the version is good?
set(KDCRAW_VERSION_GOOD_FOUND TRUE)
endif (NOT WIN32)
if (KDCRAW_VERSION_GOOD_FOUND)
- set(KDCRAW_DEFINITIONS "${_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: ${KDCRAW_LIBRARIES}")
- endif (NOT Kdcraw_FIND_QUIETLY)
- else (KDCRAW_FOUND)
- if (Kdcraw_FIND_REQUIRED)
- if (NOT KDCRAW_INCLUDE_DIR)
- message(FATAL_ERROR "Could NOT find libkdcraw header files")
- endif (NOT KDCRAW_INCLUDE_DIR)
- if (NOT KDCRAW_LIBRARIES)
- message(FATAL_ERROR "Could NOT find libkdcraw library")
- endif (NOT KDCRAW_LIBRARIES)
- endif (Kdcraw_FIND_REQUIRED)
- endif (KDCRAW_FOUND)
-
- mark_as_advanced(KDCRAW_INCLUDE_DIR KDCRAW_LIBRARIES KDCRAW_DEFINITIONS)
-
- endif(KDCRAW_LOCAL_FOUND)
-
-endif (KDCRAW_INCLUDE_DIR AND KDCRAW_LIBRARIES AND KDCRAW_DEFINITIONS)
+ set(KDCRAW_DEFINITIONS "${PC_KDCRAW_CFLAGS_OTHER}")
+
+ find_path(KDCRAW_INCLUDE_DIR libkdcraw/version.h ${PC_KDCRAW_INCLUDE_DIRS})
+ set(kdcraw_version_h_filename "${KDCRAW_INCLUDE_DIR}/libkdcraw/version.h")
+
+ find_library(KDCRAW_LIBRARIES NAMES kdcraw HINTS ${PC_KDCRAW_LIBRARY_DIRS})
+
+ if (KDCRAW_INCLUDE_DIR AND KDCRAW_LIBRARIES)
+ set(KDCRAW_FOUND TRUE)
+ else (KDCRAW_INCLUDE_DIR AND KDCRAW_LIBRARIES)
+ set(KDCRAW_FOUND FALSE)
+ endif (KDCRAW_INCLUDE_DIR AND KDCRAW_LIBRARIES)
+ endif (KDCRAW_VERSION_GOOD_FOUND)
+
+ if (KDCRAW_FOUND)
+ if (NOT Kdcraw_FIND_QUIETLY)
+ message(STATUS "Found libkdcraw: ${KDCRAW_LIBRARIES}")
+ endif (NOT Kdcraw_FIND_QUIETLY)
+ else (KDCRAW_FOUND)
+ if (Kdcraw_FIND_REQUIRED)
+ if (NOT KDCRAW_INCLUDE_DIR)
+ message(FATAL_ERROR "Could NOT find libkdcraw header files.")
+ else(NOT KDCRAW_INCLUDE_DIR)
+ message(FATAL_ERROR "Could NOT find libkdcraw library.")
+ endif (NOT KDCRAW_INCLUDE_DIR)
+ endif (Kdcraw_FIND_REQUIRED)
+ endif (KDCRAW_FOUND)
+
+ endif (KDCRAW_LOCAL_FOUND)
+
+ if (KDCRAW_FOUND)
+ # Find the version information, unless that was reported by pkg_search_module.
+ if (NOT KDCRAW_VERSION)
+ file(READ "${kdcraw_version_h_filename}" kdcraw_version_h_content)
+ # This is the line we are trying to find: static const char kdcraw_version[] = "1.22.4-beta_5+dfsg";
+ string(REGEX REPLACE ".*char +kdcraw_version\\[\\] += +\"([^\"]+)\".*" "\\1" KDCRAW_VERSION "${kdcraw_version_h_content}")
+ unset(kdcraw_version_h_content)
+
+ endif (NOT KDCRAW_VERSION)
+ unset(kdcraw_version_h_filename)
+ endif (KDCRAW_FOUND)
+
+ if (KDCRAW_FOUND)
+ mark_as_advanced(KDCRAW_INCLUDE_DIR KDCRAW_LIBRARIES KDCRAW_DEFINITIONS KDCRAW_VERSION KDCRAW_FOUND)
+ else (KDCRAW_FOUND)
+ # The library was not found, reset all related variables.
+ unset(KDCRAW_INCLUDE_DIR)
+ unset(KDCRAW_LIBRARIES)
+ unset(KDCRAW_DEFINITIONS)
+ unset(KDCRAW_VERSION)
+ endif (KDCRAW_FOUND)
+
+endif (KDCRAW_INCLUDE_DIR AND KDCRAW_LIBRARIES AND KDCRAW_DEFINITIONS AND KDCRAW_VERSION)
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