Disable cef on linux temporarily, fix freetype path for old prebuilt, disable nghttp2

indra/cmake/FreeType.cmake

@@ -7,7 +7,7 @@ if (USESYSTEMLIBS)
   pkg_check_modules(FREETYPE REQUIRED freetype2)
 else (USESYSTEMLIBS)
   use_prebuilt_binary(freetype)
-  set(FREETYPE_INCLUDE_DIRS ${LIBS_PREBUILT_DIR}/include/freetype/)
+  set(FREETYPE_INCLUDE_DIRS ${LIBS_PREBUILT_DIR}/include/freetype/ ${LIBS_PREBUILT_DIR}/include/freetype2/)
   set(FREETYPE_LIBRARIES freetype)
 endif (USESYSTEMLIBS)
 

indra/cmake/NGHTTP2.cmake

@@ -12,7 +12,7 @@ else (USESYSTEMLIBS)
   elseif (DARWIN)
     set(NGHTTP2_LIBRARIES libnghttp2.dylib)
   else (WINDOWS)
-    set(NGHTTP2_LIBRARIES libnghttp2.a)
+    set(NGHTTP2_LIBRARIES)
   endif (WINDOWS)
   set(NGHTTP2_INCLUDE_DIR ${LIBS_PREBUILT_DIR}/include/nghttp2)
 endif (USESYSTEMLIBS)

indra/media_plugins/CMakeLists.txt

@@ -13,6 +13,8 @@ if (WINDOWS)
     add_subdirectory(libvlc)
   endif (LIBVLCPLUGIN)
 endif (WINDOWS)
-add_subdirectory(cef)
+if(NOT LINUX)
+  add_subdirectory(cef)
+endif()
 
 ### add_subdirectory(example)