vcpkg/ports/osgearth/fix-osgearth-config.patch

diff --git a/osgEarthConfig.cmake.in b/osgEarthConfig.cmake.in
index 3f27dffe9..c787e7668 100644
--- a/osgEarthConfig.cmake.in
+++ b/osgEarthConfig.cmake.in
@@ -6,52 +6,54 @@ set(XPREFIX OSGEARTH)
 
 
 
-if (osgearth_USE_STATIC_LIBS)
+if (osgEarth_USE_STATIC_LIBS)
     set(XPREFIX ${XPREFIX}_STATIC)
 endif()
 
-set(osgearth_DEFINITIONS ${${XPREFIX}_CFLAGS})
+set(osgEarth_DEFINITIONS ${${XPREFIX}_CFLAGS})
 
-find_path(osgearth_INCLUDE_DIR
-    NAMES OSGEARTH/RTREE.H
+find_path(osgEarth_INCLUDE_DIR
+    NAMES osgEarth/rtree.h
     HINTS ${${XPREFIX}_INCLUDE_DIRS}
 )
 
-set(OSGEARTH_NAMES osgearth)
+set(OSGEARTH_NAMES osgEarth)
 
-find_library(osgearth_LIBRARY
+find_library(osgEarth_LIBRARY
     NAMES ${OSGEARTH_NAMES}
     HINTS ${${XPREFIX}_LIBRARY_DIRS}
 )
 
-set(osgearth_LIBRARIES    ${osgearth_LIBRARY})
-set(osgearth_LIBRARY_DIRS ${${XPREFIX}_LIBRARY_DIRS})
-set(osgearth_LIBRARY_DIR  ${osgearth_LIBRARY_DIRS})
-set(osgearth_INCLUDE_DIRS ${osgearth_INCLUDE_DIR})
-set(osgearth_LDFLAGS      ${${XPREFIX}_LDFLAGS})
+set(osgEarth_LIBRARIES    ${osgEarth_LIBRARY})
+set(osgEarth_LIBRARY_DIRS ${${XPREFIX}_LIBRARY_DIRS})
+set(osgEarth_LIBRARY_DIR  ${osgEarth_LIBRARY_DIRS})
+set(osgEarth_INCLUDE_DIRS ${osgEarth_INCLUDE_DIR})
+set(osgEarth_LDFLAGS      ${${XPREFIX}_LDFLAGS})
 
 include(FindPackageHandleStandardArgs)
-find_package_handle_standard_args(osgearth DEFAULT_MSG
-    osgearth_LIBRARY
-    osgearth_INCLUDE_DIR
+find_package_handle_standard_args(osgEarth DEFAULT_MSG
+    osgEarth_LIBRARY
+    osgEarth_INCLUDE_DIR
 )
 
-string (REPLACE ";" " " osgearth_LDFLAGS "${osgearth_LDFLAGS}")
+string (REPLACE ";" " " osgEarth_LDFLAGS "${osgEarth_LDFLAGS}")
 
-set_target_properties(osgearth
+add_library(osgEarth UNKNOWN IMPORTED)
+
+set_target_properties(osgEarth
   PROPERTIES
-  IMPORTED_LOCATION             "${osgearth_LIBRARIES}"
-  INTERFACE_INCLUDE_DIRECTORIES "${osgearth_INCLUDE_DIRS}"
-  INTERFACE_LINK_LIBRARIES      "${osgearth_LDFLAGS}"
-  INTERFACE_COMPILE_OPTIONS     "${osgearth_DEFINITIONS}"
+  IMPORTED_LOCATION             "${osgEarth_LIBRARIES}"
+  INTERFACE_INCLUDE_DIRECTORIES "${osgEarth_INCLUDE_DIRS}"
+  INTERFACE_LINK_LIBRARIES      "${osgEarth_LDFLAGS}"
+  INTERFACE_COMPILE_OPTIONS     "${osgEarth_DEFINITIONS}"
 )
 
-  message(STATUS "osgearth_FOUND: ${osgearth_FOUND}")
-  message(STATUS "osgearth_INCLUDE_DIRS: ${osgearth_INCLUDE_DIRS}")
-  message(STATUS "osgearth_LIBRARIES: ${osgearth_LIBRARIES}")
-  message(STATUS "osgearth_LDFLAGS: ${osgearth_LDFLAGS}")
-  message(STATUS "osgearth_DEFINITIONS: ${osgearth_DEFINITIONS}")
+  message(STATUS "osgEarth_FOUND: ${osgEarth_FOUND}")
+  message(STATUS "osgEarth_INCLUDE_DIRS: ${osgEarth_INCLUDE_DIRS}")
+  message(STATUS "osgEarth_LIBRARIES: ${osgEarth_LIBRARIES}")
+  message(STATUS "osgEarth_LDFLAGS: ${osgEarth_LDFLAGS}")
+  message(STATUS "osgEarth_DEFINITIONS: ${osgEarth_DEFINITIONS}")
 
 
 
-check_required_components(osgearth)
\ No newline at end of file
+check_required_components(osgEarth)