Update FindSDL_gfx.cmake as of today's upstream

Ongoing PR:
https://gitlab.kitware.com/cmake/cmake/-/merge_requests/7475

1 files changed, 17 insertions, 39 deletions

diff --git a/cmake/FindSDL_gfx.cmake b/cmake/FindSDL_gfx.cmake
index 645eae2..34ff8db 100644
--- a/cmake/FindSDL_gfx.cmake
+++ b/cmake/FindSDL_gfx.cmake
@@ -3,7 +3,7 @@
 
 #[=======================================================================[.rst:
 FindSDL_gfx
--------------
+-----------
 
 Locate SDL_gfx library
 
@@ -11,36 +11,19 @@ This module defines:
 
 ::
 
+  SDL::SDL_gfx, the name of the target to use with target_*() commands
   SDL_GFX_LIBRARIES, the name of the library to link against
   SDL_GFX_INCLUDE_DIRS, where to find the headers
   SDL_GFX_FOUND, if false, do not try to link against
   SDL_GFX_VERSION_STRING - human-readable string containing the
                              version of SDL_gfx
 
-
-
-For backward compatibility the following variables are also set:
-
-::
-
-  SDLGFX_LIBRARY (same value as SDL_GFX_LIBRARIES)
-  SDLGFX_INCLUDE_DIR (same value as SDL_GFX_INCLUDE_DIRS)
-  SDLGFX_FOUND (same value as SDL_GFX_FOUND)
-
-
-
 $SDLDIR is an environment variable that would correspond to the
 ./configure --prefix=$SDLDIR used in building SDL.
-
-Created by Xavier Del Campo, heavily based on the original work by
-Eric Wing, FindSDL_mixer.cmake.
 #]=======================================================================]
 
-if(NOT SDL_GFX_INCLUDE_DIR AND SDLGFX_INCLUDE_DIR)
-  set(SDL_GFX_INCLUDE_DIR ${SDLGFX_INCLUDE_DIR} CACHE PATH "directory cache
-entry initialized from old variable name")
-endif()
-find_path(SDL_GFX_INCLUDE_DIR
+find_path(SDL_GFX_INCLUDE_DIRS
+  NAMES
     SDL_framerate.h
     SDL_gfxBlitFunc.h
     SDL_gfxPrimitives.h
@@ -61,11 +44,7 @@ else()
   set(VC_LIB_PATH_SUFFIX lib/x86)
 endif()
 
-if(NOT SDL_GFX_LIBRARY AND SDLGFX_LIBRARY)
-  set(SDL_GFX_LIBRARY ${SDLGFX_LIBRARY} CACHE FILEPATH "file cache entry
-initialized from old variable name")
-endif()
-find_library(SDL_GFX_LIBRARY
+find_library(SDL_GFX_LIBRARIES
   NAMES SDL_gfx
   HINTS
     ENV SDLGFXDIR
@@ -73,10 +52,10 @@ find_library(SDL_GFX_LIBRARY
   PATH_SUFFIXES lib ${VC_LIB_PATH_SUFFIX}
 )
 
-if(SDL_GFX_INCLUDE_DIR AND EXISTS "${SDL_GFX_INCLUDE_DIR}/SDL_gfxPrimitives.h")
-  file(STRINGS "${SDL_GFX_INCLUDE_DIR}/SDL_gfxPrimitives.h" SDL_GFX_VERSION_MAJOR_LINE REGEX "^#define[ \t]+SDL_GFXPRIMITIVES_MAJOR[ \t]+[0-9]+$")
-  file(STRINGS "${SDL_GFX_INCLUDE_DIR}/SDL_gfxPrimitives.h" SDL_GFX_VERSION_MINOR_LINE REGEX "^#define[ \t]+SDL_GFXPRIMITIVES_MINOR[ \t]+[0-9]+$")
-  file(STRINGS "${SDL_GFX_INCLUDE_DIR}/SDL_gfxPrimitives.h" SDL_GFX_VERSION_PATCH_LINE REGEX "^#define[ \t]+SDL_GFXPRIMITIVES_MICRO[ \t]+[0-9]+$")
+if(SDL_GFX_INCLUDE_DIRS AND EXISTS "${SDL_GFX_INCLUDE_DIRS}/SDL_gfxPrimitives.h")
+  file(STRINGS "${SDL_GFX_INCLUDE_DIRS}/SDL_gfxPrimitives.h" SDL_GFX_VERSION_MAJOR_LINE REGEX "^#define[ \t]+SDL_GFXPRIMITIVES_MAJOR[ \t]+[0-9]+$")
+  file(STRINGS "${SDL_GFX_INCLUDE_DIRS}/SDL_gfxPrimitives.h" SDL_GFX_VERSION_MINOR_LINE REGEX "^#define[ \t]+SDL_GFXPRIMITIVES_MINOR[ \t]+[0-9]+$")
+  file(STRINGS "${SDL_GFX_INCLUDE_DIRS}/SDL_gfxPrimitives.h" SDL_GFX_VERSION_PATCH_LINE REGEX "^#define[ \t]+SDL_GFXPRIMITIVES_MICRO[ \t]+[0-9]+$")
   string(REGEX REPLACE "^#define[ \t]+SDL_GFXPRIMITIVES_MAJOR[ \t]+([0-9]+)$" "\\1" SDL_GFX_VERSION_MAJOR "${SDL_GFX_VERSION_MAJOR_LINE}")
   string(REGEX REPLACE "^#define[ \t]+SDL_GFXPRIMITIVES_MINOR[ \t]+([0-9]+)$" "\\1" SDL_GFX_VERSION_MINOR "${SDL_GFX_VERSION_MINOR_LINE}")
   string(REGEX REPLACE "^#define[ \t]+SDL_GFXPRIMITIVES_MICRO[ \t]+([0-9]+)$" "\\1" SDL_GFX_VERSION_PATCH "${SDL_GFX_VERSION_PATCH_LINE}")
@@ -89,18 +68,17 @@ if(SDL_GFX_INCLUDE_DIR AND EXISTS "${SDL_GFX_INCLUDE_DIR}/SDL_gfxPrimitives.h")
   unset(SDL_GFX_VERSION_PATCH)
 endif()
 
-set(SDL_GFX_LIBRARIES ${SDL_GFX_LIBRARY})
-set(SDL_GFX_INCLUDE_DIRS ${SDL_GFX_INCLUDE_DIR})
-
 include(FindPackageHandleStandardArgs)
 
 FIND_PACKAGE_HANDLE_STANDARD_ARGS(SDL_gfx
                                   REQUIRED_VARS SDL_GFX_LIBRARIES SDL_GFX_INCLUDE_DIRS
                                   VERSION_VAR SDL_GFX_VERSION_STRING)
 
-# for backward compatibility
-set(SDLGFX_LIBRARY ${SDL_GFX_LIBRARIES})
-set(SDLGFX_INCLUDE_DIR ${SDL_GFX_INCLUDE_DIRS})
-set(SDLGFX_FOUND ${SDL_GFX_FOUND})
-
-mark_as_advanced(SDL_GFX_LIBRARY SDL_GFX_INCLUDE_DIR)
+if(SDL_gfx_FOUND)
+  if(NOT TARGET SDL::SDL_gfx)
+    add_library(SDL::SDL_gfx INTERFACE IMPORTED)
+    set_target_properties(SDL::SDL_gfx PROPERTIES
+      INTERFACE_INCLUDE_DIRECTORIES "${SDL_GFX_INCLUDE_DIRS}"
+      INTERFACE_LINK_LIBRARIES "${SDL_GFX_LIBRARIES}")
+  endif()
+endif()