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cmake: change build system, continue #2487 @3h
author David Demelier <markand@malikania.fr>
date Sat, 03 Oct 2020 18:32:01 +0200
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children 71b3b7036de7 3bfaaf5342a9
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1 # FindSDL2
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2 # --------
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3 #
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4 # Find SDL2 library and components, this modules defines:
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5 #
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6 # SDL2_LIBRARY, the name of the library to link against.
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7 # SDL2_MAIN_LIBRARY, for SDL2main (if present).
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8 # SDL2_LIBRARIES, alias to SDL2_LIBRARY.
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9 # SDL2_FOUND, true if found.
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10 # SDL2_INCLUDE_DIR, where to find SDL.h.
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11 #
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12 # The following imported targets will be defined:
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13 #
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14 # SDL2::SDL2
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15 # SDL2::SDL2main (if present)
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16 #
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17 # This module also handle the following official SDL addons:
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18 #
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19 # - image
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20 # - mixer
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21 # - net
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22 # - ttf
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23 #
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24 # And thus, variables SDL2_<C>_LIBRARY, SDL2_<C>_INCLUDE_DIRS and SDL2::<C>
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25 # imported targets will be defined if they are found.
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26 #
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27
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28 include(FindPackageHandleStandardArgs)
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29
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30 # The official include convention is <SDL.h> not <SDL/SDL.h>.
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31 find_path(
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32 SDL2_INCLUDE_DIR
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33 NAMES SDL.h
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34 PATH_SUFFIXES include/SDL2 include
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35 )
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36
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37 find_library(SDL2_LIBRARY NAMES SDL2 libSDL2)
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38 find_library(SDL2_MAIN_LIBRARY NAMES SDL2main libSDL2main)
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39
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40 # Standard components.
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41 foreach (c ${SDL2_FIND_COMPONENTS})
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42 find_path(
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43 SDL2_${c}_INCLUDE_DIR
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44 NAMES SDL.h
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45 PATH_SUFFIXES include/SDL2 include
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46 )
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47
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48 find_library(
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49 SDL2_${c}_LIBRARY
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50 NAMES SDL2_${c} libSDL2_${c}
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51 )
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52
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53 if (NOT TARGET SDL2::${c} AND SDL2_${c}_LIBRARY)
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54 set(SDL2_${c}_FOUND TRUE)
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55 add_library(SDL2::${c} UNKNOWN IMPORTED)
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56 set_target_properties(
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57 SDL2::${c}
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58 PROPERTIES
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59 IMPORTED_LINK_INTERFACE_LANGUAGES "C"
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60 IMPORTED_LOCATION "${SDL2_${c}_LIBRARY}"
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61 INTERFACE_INCLUDE_DIRECTORIES "${SDL2_${c}_INCLUDE_DIRS}"
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62 )
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63 endif ()
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64
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65 mark_as_advanced(SDL2_${c}_INCLUDE_DIR SDL2_${c}_LIBRARY)
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66 endforeach ()
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67
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68 find_package_handle_standard_args(
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69 SDL2
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70 REQUIRED_VARS SDL2_LIBRARY SDL2_INCLUDE_DIR
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71 HANDLE_COMPONENTS
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72 )
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73
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74 if (SDL2_FOUND)
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75 set(SDL2_LIBRARIES ${SDL2_LIBRARY})
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76 set(SDL2_INCLUDE_DIRS ${SDL2_INCLUDE_DIR})
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77
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78 if (NOT TARGET SDL2::SDL2)
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79 add_library(SDL2::SDL2 UNKNOWN IMPORTED)
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80 set_target_properties(
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81 SDL2::SDL2
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82 PROPERTIES
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83 IMPORTED_LINK_INTERFACE_LANGUAGES "C"
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84 IMPORTED_LOCATION "${SDL2_LIBRARY}"
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85 INTERFACE_INCLUDE_DIRECTORIES "${SDL2_INCLUDE_DIRS}"
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86 )
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87 endif ()
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88
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89 if (NOT TARGET SDL2::main AND SDL2_MAIN_LIBRARY)
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90 add_library(SDL2::main UNKNOWN IMPORTED)
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91 set_target_properties(
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92 SDL2::main
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93 PROPERTIES
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94 IMPORTED_LINK_INTERFACE_LANGUAGES "C"
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95 IMPORTED_LOCATION "${SDL2_MAIN_LIBRARY}"
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96 INTERFACE_INCLUDE_DIRECTORIES "${SDL2_INCLUDE_DIRS}"
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97 )
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98 endif ()
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99 endif ()
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100
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101 mark_as_advanced(SDL2_INCLUDE_DIR SDL2_LIBRARY)