Add ${SDL2_PATH}

FindSDL2_image.cmake would not work for me on windows using mingw/Clion unless I included SDL2_PATH again.

Author: Joel

FindSDL2_image.cmake

@@ -43,42 +43,44 @@
 #  License text for the above reference.)
 
 find_path(SDL2_IMAGE_INCLUDE_DIR SDL_image.h
-  HINTS
-    ENV SDL2IMAGEDIR
-    ENV SDL2DIR
-  PATH_SUFFIXES SDL2
-                # path suffixes to search inside ENV{SDLDIR}
-                include/SDL2 include
-)
+        HINTS
+        ENV SDL2IMAGEDIR
+        ENV SDL2DIR
+        PATH_SUFFIXES SDL2
+        # path suffixes to search inside ENV{SDLDIR}
+        include/SDL2 include
+        PATHS ${SDL2_PATH}
+        )
 
 if(CMAKE_SIZEOF_VOID_P EQUAL 8)
-  set(VC_LIB_PATH_SUFFIX lib/x64)
+    set(VC_LIB_PATH_SUFFIX lib/x64)
 else()
-  set(VC_LIB_PATH_SUFFIX lib/x86)
+    set(VC_LIB_PATH_SUFFIX lib/x86)
 endif()
 
 find_library(SDL2_IMAGE_LIBRARY
-  NAMES SDL2_image
-  HINTS
-    ENV SDL2IMAGEDIR
-    ENV SDL2DIR
-  PATH_SUFFIXES lib ${VC_LIB_PATH_SUFFIX}
-)
+        NAMES SDL2_image
+        HINTS
+        ENV SDL2IMAGEDIR
+        ENV SDL2DIR
+        PATH_SUFFIXES lib ${VC_LIB_PATH_SUFFIX}
+        PATHS ${SDL2_PATH}
+        )
 
 if(SDL2_IMAGE_INCLUDE_DIR AND EXISTS "${SDL2_IMAGE_INCLUDE_DIR}/SDL_image.h")
-  file(STRINGS "${SDL2_IMAGE_INCLUDE_DIR}/SDL_image.h" SDL_IMAGE_VERSION_MAJOR_LINE REGEX "^#define[ \t]+SDL_IMAGE_MAJOR_VERSION[ \t]+[0-9]+$")
-  file(STRINGS "${SDL2_IMAGE_INCLUDE_DIR}/SDL_image.h" SDL2_IMAGE_VERSION_MINOR_LINE REGEX "^#define[ \t]+SDL2_IMAGE_MINOR_VERSION[ \t]+[0-9]+$")
-  file(STRINGS "${SDL2_IMAGE_INCLUDE_DIR}/SDL_image.h" SDL2_IMAGE_VERSION_PATCH_LINE REGEX "^#define[ \t]+SDL2_IMAGE_PATCHLEVEL[ \t]+[0-9]+$")
-  string(REGEX REPLACE "^#define[ \t]+SDL2_IMAGE_MAJOR_VERSION[ \t]+([0-9]+)$" "\\1" SDL2_IMAGE_VERSION_MAJOR "${SDL2_IMAGE_VERSION_MAJOR_LINE}")
-  string(REGEX REPLACE "^#define[ \t]+SDL2_IMAGE_MINOR_VERSION[ \t]+([0-9]+)$" "\\1" SDL2_IMAGE_VERSION_MINOR "${SDL2_IMAGE_VERSION_MINOR_LINE}")
-  string(REGEX REPLACE "^#define[ \t]+SDL2_IMAGE_PATCHLEVEL[ \t]+([0-9]+)$" "\\1" SDL2_IMAGE_VERSION_PATCH "${SDL2_IMAGE_VERSION_PATCH_LINE}")
-  set(SDL2_IMAGE_VERSION_STRING ${SDL2_IMAGE_VERSION_MAJOR}.${SDL2_IMAGE_VERSION_MINOR}.${SDL2_IMAGE_VERSION_PATCH})
-  unset(SDL2_IMAGE_VERSION_MAJOR_LINE)
-  unset(SDL2_IMAGE_VERSION_MINOR_LINE)
-  unset(SDL2_IMAGE_VERSION_PATCH_LINE)
-  unset(SDL2_IMAGE_VERSION_MAJOR)
-  unset(SDL2_IMAGE_VERSION_MINOR)
-  unset(SDL2_IMAGE_VERSION_PATCH)
+    file(STRINGS "${SDL2_IMAGE_INCLUDE_DIR}/SDL_image.h" SDL_IMAGE_VERSION_MAJOR_LINE REGEX "^#define[ \t]+SDL_IMAGE_MAJOR_VERSION[ \t]+[0-9]+$")
+    file(STRINGS "${SDL2_IMAGE_INCLUDE_DIR}/SDL_image.h" SDL2_IMAGE_VERSION_MINOR_LINE REGEX "^#define[ \t]+SDL2_IMAGE_MINOR_VERSION[ \t]+[0-9]+$")
+    file(STRINGS "${SDL2_IMAGE_INCLUDE_DIR}/SDL_image.h" SDL2_IMAGE_VERSION_PATCH_LINE REGEX "^#define[ \t]+SDL2_IMAGE_PATCHLEVEL[ \t]+[0-9]+$")
+    string(REGEX REPLACE "^#define[ \t]+SDL2_IMAGE_MAJOR_VERSION[ \t]+([0-9]+)$" "\\1" SDL2_IMAGE_VERSION_MAJOR "${SDL2_IMAGE_VERSION_MAJOR_LINE}")
+    string(REGEX REPLACE "^#define[ \t]+SDL2_IMAGE_MINOR_VERSION[ \t]+([0-9]+)$" "\\1" SDL2_IMAGE_VERSION_MINOR "${SDL2_IMAGE_VERSION_MINOR_LINE}")
+    string(REGEX REPLACE "^#define[ \t]+SDL2_IMAGE_PATCHLEVEL[ \t]+([0-9]+)$" "\\1" SDL2_IMAGE_VERSION_PATCH "${SDL2_IMAGE_VERSION_PATCH_LINE}")
+    set(SDL2_IMAGE_VERSION_STRING ${SDL2_IMAGE_VERSION_MAJOR}.${SDL2_IMAGE_VERSION_MINOR}.${SDL2_IMAGE_VERSION_PATCH})
+    unset(SDL2_IMAGE_VERSION_MAJOR_LINE)
+    unset(SDL2_IMAGE_VERSION_MINOR_LINE)
+    unset(SDL2_IMAGE_VERSION_PATCH_LINE)
+    unset(SDL2_IMAGE_VERSION_MAJOR)
+    unset(SDL2_IMAGE_VERSION_MINOR)
+    unset(SDL2_IMAGE_VERSION_PATCH)
 endif()
 
 set(SDL2_IMAGE_LIBRARIES ${SDL2_IMAGE_LIBRARY})
@@ -87,8 +89,8 @@ set(SDL2_IMAGE_INCLUDE_DIRS ${SDL2_IMAGE_INCLUDE_DIR})
 include(FindPackageHandleStandardArgs)
 
 FIND_PACKAGE_HANDLE_STANDARD_ARGS(SDL2_image
-                                  REQUIRED_VARS SDL2_IMAGE_LIBRARIES SDL2_IMAGE_INCLUDE_DIRS
-                                  VERSION_VAR SDL2_IMAGE_VERSION_STRING)
+        REQUIRED_VARS SDL2_IMAGE_LIBRARIES SDL2_IMAGE_INCLUDE_DIRS
+        VERSION_VAR SDL2_IMAGE_VERSION_STRING)
 
 # for backward compatiblity
 #set(SDLIMAGE_LIBRARY ${SDL_IMAGE_LIBRARIES})