Add "Blender for Korman" and build/package process.

This will allow us to automate releases with the Blender 2.79
"experimenntal nightly" codebase. This is great because the newer
Blender uses Python 3.7 (instead of 3.5). This pulls from my fork of
Blender, which has a number of build improvements added on top.

korlib/cmake/FindOgg.cmake

@@ -1,30 +1,25 @@
-if(Ogg_INCLUDE_DIR AND Ogg_LIBRARY)
-    set(Ogg_FIND_QUIETLY TRUE)
-endif()
+find_package(Ogg CONFIG QUIET)
 
+if(NOT TARGET Ogg::ogg)
+    include(FindPackageHandleStandardArgs)
 
-find_path(Ogg_INCLUDE_DIR ogg/ogg.h
-          /usr/local/include
-          /usr/include
-)
+    find_path(Ogg_INCLUDE_DIR ogg/ogg.h
+            PATHS /usr/local/include /usr/include
+    )
 
-find_library(Ogg_LIBRARY NAMES ogg
-             PATHS /usr/local/lib /usr/lib
-)
+    find_library(Ogg_LIBRARY
+                NAMES ogg libogg libogg_static
+                PATHS /usr/local/lib /usr/lib
+    )
 
-set(Ogg_LIBRARIES ${Ogg_LIBRARY})
+    find_package_handle_standard_args(Ogg REQUIRED_VARS Ogg_INCLUDE_DIR Ogg_LIBRARY)
 
-
-if(Ogg_INCLUDE_DIR AND Ogg_LIBRARY)
-    set(Ogg_FOUND TRUE)
-endif()
-
-if (Ogg_FOUND)
-    if(NOT Ogg_FIND_QUIETLY)
-        message(STATUS "Found libogg: ${Ogg_INCLUDE_DIR}")
-    endif()
-else()
-    if(Ogg_FIND_REQUIRED)
-        message(FATAL_ERROR "Could not find libogg")
+    if(Ogg_FOUND AND NOT TARGET Ogg::ogg)
+        add_library(Ogg::ogg UNKNOWN IMPORTED)
+        set_target_properties(
+            Ogg::ogg PROPERTIES
+            INTERFACE_INCLUDE_DIRECTORIES ${Ogg_INCLUDE_DIR}
+            IMPORTED_LOCATION ${Ogg_LIBRARY}
+        )
     endif()
 endif()

korlib/cmake/FindVorbis.cmake

@@ -1,37 +1,41 @@
-if(Vorbis_INCLUDE_DIR AND Vorbis_LIBRARY)
-    set(Vorbis_FIND_QUIETLY TRUE)
-endif()
+find_package(Vorbis CONFIG QUIET)
 
+if(NOT TARGET Vorbis::vorbis)
+    include(FindPackageHandleStandardArgs)
 
-find_path(Vorbis_INCLUDE_DIR vorbis/codec.h
-          /usr/local/include
-          /usr/include
-)
+    find_path(Vorbis_INCLUDE_DIR vorbis/codec.h
+            PATHS /usr/local/include /usr/include
+    )
 
-find_library(Vorbis_LIBRARY NAMES vorbis
-             PATHS /usr/local/lib /usr/lib
-)
+    find_library(Vorbis_LIBRARY
+                NAMES vorbis libvorbis libvorbis_static
+                PATHS /usr/local/lib /usr/lib
+    )
 
-find_library(VorbisFile_LIBRARY NAMES vorbisfile
-             PATHS /usr/local/lib /usr/lib
-)
+    find_library(VorbisFile_LIBRARY
+                NAMES vorbisfile libvorbisfile libvorbisfile_static
+                PATHS /usr/local/lib /usr/lib
+    )
 
-set(Vorbis_LIBRARIES
-    ${Vorbis_LIBRARY}
-    ${VorbisFile_LIBRARY}
-)
+    find_package_handle_standard_args(
+        Vorbis REQUIRED_VARS Vorbis_INCLUDE_DIR Vorbis_LIBRARY VorbisFile_LIBRARY
+    )
 
-
-if(Vorbis_INCLUDE_DIR AND Vorbis_LIBRARY AND VorbisFile_LIBRARY)
-    set(Vorbis_FOUND TRUE)
-endif()
-
-if (Vorbis_FOUND)
-    if(NOT Vorbis_FIND_QUIETLY)
-        message(STATUS "Found libvorbis: ${Vorbis_INCLUDE_DIR}")
+    if(Vorbis_FOUND AND NOT TARGET Vorbis::vorbis)
+        add_library(Vorbis::vorbis UNKNOWN IMPORTED)
+        set_target_properties(
+            Vorbis::vorbis PROPERTIES
+            INTERFACE_INCLUDE_DIRECTORIES ${Vorbis_INCLUDE_DIR}
+            IMPORTED_LOCATION ${Vorbis_LIBRARY}
+        )
     endif()
-else()
-    if(Vorbis_FIND_REQUIRED)
-        message(FATAL_ERROR "Could not find libvorbis")
+
+    if(Vorbis_FOUND AND NOT TARGET Vorbis::vorbisfile)
+        add_library(Vorbis::vorbisfile UNKNOWN IMPORTED)
+        set_target_properties(
+            Vorbis::vorbisfile PROPERTIES
+            INTERFACE_INCLUDE_DIRECTORIES ${Vorbis_INCLUDE_DIR}
+            IMPORTED_LOCATION ${VorbisFile_LIBRARY}
+        )
     endif()
 endif()