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FindImageMagick: make use of more FPHSA features 

This includes version number and printing the first found result if something
was found instead of "TRUE".
This commit is contained in:
Rolf Eike Beer 2012-01-23 20:13:23 +01:00
parent 86c9604f98
commit 1562b9c0b9
1 changed files with 42 additions and 10 deletions
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52
Modules/FindImageMagick.cmake
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@ -24,6 +24,8 @@
# ImageMagick_EXECUTABLE_DIR - Full path to executables directory.
# ImageMagick_<component>_FOUND - TRUE if <component> is found.
# ImageMagick_<component>_EXECUTABLE - Full path to <component> executable.
# ImageMagick_VERSION_STRING - the version of ImageMagick found
# (since CMake 2.8.8)
#
# There are also components for the following ImageMagick APIs:
#
@ -53,6 +55,7 @@
#=============================================================================
# Copyright 2007-2009 Kitware, Inc.
# Copyright 2007-2008 Miguel A. Figueroa-Villanueva <miguelf at ieee dot org>
# Copyright 2012 Rolf Eike Beer <eike@sf-mail.de>
#
# Distributed under the OSI-approved BSD License (the "License");
# see accompanying file Copyright.txt for details.
@ -134,7 +137,8 @@ FIND_PATH(ImageMagick_EXECUTABLE_DIR
# Find each component. Search for all tools in same dir
# <ImageMagick_EXECUTABLE_DIR>; otherwise they should be found
# independently and not in a cohesive module such as this one.
SET(ImageMagick_FOUND TRUE)
UNSET(ImageMagick_REQUIRED_VARS)
UNSET(ImageMagick_DEFAULT_EXECUTABLES)
FOREACH(component ${ImageMagick_FIND_COMPONENTS}
# DEPRECATED: forced components for backward compatibility
convert mogrify import montage composite
@ -143,37 +147,65 @@ FOREACH(component ${ImageMagick_FIND_COMPONENTS}
FIND_IMAGEMAGICK_API(Magick++ Magick++.h
Magick++ CORE_RL_Magick++_
)
LIST(APPEND ImageMagick_REQUIRED_VARS ImageMagick_Magick++_LIBRARY)
ELSEIF(component STREQUAL "MagickWand")
FIND_IMAGEMAGICK_API(MagickWand wand/MagickWand.h
Wand MagickWand CORE_RL_wand_
)
LIST(APPEND ImageMagick_REQUIRED_VARS ImageMagick_MagickWand_LIBRARY)
ELSEIF(component STREQUAL "MagickCore")
FIND_IMAGEMAGICK_API(MagickCore magick/MagickCore.h
Magick MagickCore CORE_RL_magick_
)
LIST(APPEND ImageMagick_REQUIRED_VARS ImageMagick_MagickCore_LIBRARY)
ELSE(component STREQUAL "Magick++")
IF(ImageMagick_EXECUTABLE_DIR)
FIND_IMAGEMAGICK_EXE(${component})
ENDIF(ImageMagick_EXECUTABLE_DIR)
IF(ImageMagick_FIND_COMPONENTS)
LIST(FIND ImageMagick_FIND_COMPONENTS ${component} is_requested)
IF(is_requested GREATER -1)
LIST(APPEND ImageMagick_REQUIRED_VARS ImageMagick_${component}_EXECUTABLE)
ENDIF(is_requested GREATER -1)
ELSEIF(ImageMagick_${component}_EXECUTABLE)
# if no components were requested explicitely put all (default) executables
# in the list
LIST(APPEND ImageMagick_DEFAULT_EXECUTABLES "${ImageMagick_${component}_EXECUTABLE}")
ENDIF(ImageMagick_FIND_COMPONENTS)
ENDIF(component STREQUAL "Magick++")
IF(NOT ImageMagick_${component}_FOUND)
LIST(FIND ImageMagick_FIND_COMPONENTS ${component} is_requested)
IF(is_requested GREATER -1)
SET(ImageMagick_FOUND FALSE)
ENDIF(is_requested GREATER -1)
ENDIF(NOT ImageMagick_${component}_FOUND)
ENDFOREACH(component)
IF(NOT ImageMagick_FIND_COMPONENTS AND NOT ImageMagick_DEFAULT_EXECUTABLES)
# No components were requested, and none of the default components were
# found. Just insert mogrify into the list of the default components to
# find so FPHSA below has something to check
LIST(APPEND ImageMagick_REQUIRED_VARS ImageMagick_mogrify_EXECUTABLE)
ELSEIF(ImageMagick_DEFAULT_EXECUTABLES)
LIST(APPEND ImageMagick_REQUIRED_VARS ${ImageMagick_DEFAULT_EXECUTABLES})
ENDIF()
SET(ImageMagick_INCLUDE_DIRS ${ImageMagick_INCLUDE_DIRS})
SET(ImageMagick_LIBRARIES ${ImageMagick_LIBRARIES})
IF(ImageMagick_mogrify_EXECUTABLE)
EXECUTE_PROCESS(COMMAND ${ImageMagick_mogrify_EXECUTABLE} -version
OUTPUT_VARIABLE imagemagick_version
ERROR_QUIET
OUTPUT_STRIP_TRAILING_WHITESPACE)
IF(imagemagick_version MATCHES "^Version: ImageMagick [0-9]")
STRING(REGEX REPLACE "^Version: ImageMagick ([-0-9\\.]+).*" "\\1" ImageMagick_VERSION_STRING "${imagemagick_version}")
ENDIF()
UNSET(imagemagick_version)
ENDIF(ImageMagick_mogrify_EXECUTABLE)
#---------------------------------------------------------------------
# Standard Package Output
#---------------------------------------------------------------------
INCLUDE(${CMAKE_CURRENT_LIST_DIR}/FindPackageHandleStandardArgs.cmake)
FIND_PACKAGE_HANDLE_STANDARD_ARGS(
ImageMagick DEFAULT_MSG ImageMagick_FOUND
FIND_PACKAGE_HANDLE_STANDARD_ARGS(ImageMagick
REQUIRED_VARS ${ImageMagick_REQUIRED_VARS}
VERSION_VAR ImageMagick_VERSION_STRING
)
# Maintain consistency with all other variables.
SET(ImageMagick_FOUND ${IMAGEMAGICK_FOUND})