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annotate cmake/packages/FindSDL2_image.cmake @ 73:efe1a7fb43f8

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Misc: fix some code style
author David Demelier <markand@malikania.fr>
date Thu, 22 Dec 2016 09:27:09 +0100
parents d4f5f7231b84
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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33
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1 # - Locate SDL_image library
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2 # This module defines:
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3 # SDL2_IMAGE_LIBRARIES, the name of the library to link against
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4 # SDL2_IMAGE_INCLUDE_DIRS, where to find the headers
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5 # SDL2_IMAGE_FOUND, if false, do not try to link against
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6 # SDL2_IMAGE_VERSION_STRING - human-readable string containing the version of SDL_image
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7 #
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8 # $SDLDIR is an environment variable that would
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9 # correspond to the ./configure --prefix=$SDLDIR
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10 # used in building SDL.
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11 #
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12 # Created by Eric Wing. This was influenced by the FindSDL.cmake
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13 # module, but with modifications to recognize OS X frameworks and
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14 # additional Unix paths (FreeBSD, etc).
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15
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16 #=============================================================================
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17 # Copyright 2005-2009 Kitware, Inc.
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18 # Copyright 2012 Benjamin Eikel
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19 #
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20 # Distributed under the OSI-approved BSD License (the "License");
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21 # see accompanying file Copyright.txt for details.
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22 #
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23 # This software is distributed WITHOUT ANY WARRANTY; without even the
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24 # implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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25 # See the License for more information.
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26 #=============================================================================
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27 # (To distribute this file outside of CMake, substitute the full
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28 # License text for the above reference.)
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29
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30 find_path(SDL2_IMAGE_INCLUDE_DIR SDL_image.h
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31 HINTS
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32 ENV SDLIMAGEDIR
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33 ENV SDLDIR
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34 PATH_SUFFIXES include/SDL2 include/SDL2.0 include
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35 )
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36
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37 find_library(SDL2_IMAGE_LIBRARY
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38 NAMES SDL2_image SDL2_image-2.0
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39 HINTS
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40 ENV SDLIMAGEDIR
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41 ENV SDLDIR
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42 PATH_SUFFIXES lib
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43 )
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44
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45 if(SDL2_IMAGE_INCLUDE_DIR AND EXISTS "${SDL2_IMAGE_INCLUDE_DIR}/SDL_image.h")
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46 file(STRINGS "${SDL2_IMAGE_INCLUDE_DIR}/SDL_image.h" SDL2_IMAGE_VERSION_MAJOR_LINE REGEX "^#define[ \t]+SDL_IMAGE_MAJOR_VERSION[ \t]+[0-9]+$")
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47 file(STRINGS "${SDL2_IMAGE_INCLUDE_DIR}/SDL_image.h" SDL2_IMAGE_VERSION_MINOR_LINE REGEX "^#define[ \t]+SDL_IMAGE_MINOR_VERSION[ \t]+[0-9]+$")
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48 file(STRINGS "${SDL2_IMAGE_INCLUDE_DIR}/SDL_image.h" SDL2_IMAGE_VERSION_PATCH_LINE REGEX "^#define[ \t]+SDL_IMAGE_PATCHLEVEL[ \t]+[0-9]+$")
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49 string(REGEX REPLACE "^#define[ \t]+SDL_IMAGE_MAJOR_VERSION[ \t]+([0-9]+)$" "\\1" SDL2_IMAGE_VERSION_MAJOR "${SDL2_IMAGE_VERSION_MAJOR_LINE}")
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50 string(REGEX REPLACE "^#define[ \t]+SDL_IMAGE_MINOR_VERSION[ \t]+([0-9]+)$" "\\1" SDL2_IMAGE_VERSION_MINOR "${SDL2_IMAGE_VERSION_MINOR_LINE}")
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51 string(REGEX REPLACE "^#define[ \t]+SDL_IMAGE_PATCHLEVEL[ \t]+([0-9]+)$" "\\1" SDL2_IMAGE_VERSION_PATCH "${SDL2_IMAGE_VERSION_PATCH_LINE}")
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52 set(SDL2_IMAGE_VERSION_STRING ${SDL2_IMAGE_VERSION_MAJOR}.${SDL2_IMAGE_VERSION_MINOR}.${SDL2_IMAGE_VERSION_PATCH})
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53 unset(SDL2_IMAGE_VERSION_MAJOR_LINE)
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54 unset(SDL2_IMAGE_VERSION_MINOR_LINE)
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55 unset(SDL2_IMAGE_VERSION_PATCH_LINE)
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56 unset(SDL2_IMAGE_VERSION_MAJOR)
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57 unset(SDL2_IMAGE_VERSION_MINOR)
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58 unset(SDL2_IMAGE_VERSION_PATCH)
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59 endif()
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60
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61 set(SDL2_IMAGE_LIBRARIES ${SDL2_IMAGE_LIBRARY})
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62 set(SDL2_IMAGE_INCLUDE_DIRS ${SDL2_IMAGE_INCLUDE_DIR})
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63
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64 include(FindPackageHandleStandardArgs)
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65
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66 FIND_PACKAGE_HANDLE_STANDARD_ARGS(SDL2_image
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67 REQUIRED_VARS SDL2_IMAGE_LIBRARIES SDL2_IMAGE_INCLUDE_DIRS
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68 VERSION_VAR SDL2_IMAGE_VERSION_STRING)
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69
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70 mark_as_advanced(SDL2_IMAGE_LIBRARY SDL2_IMAGE_INCLUDE_DIR)