message: Compile gltfio with -fPIC
diff: @@ -114,6 +114,7 @@ link_libraries(math utils filament cgltf stb geometry gltfio_resources)
  add_library(gltfio_core STATIC ${PUBLIC_HDRS} ${SRCS})
  target_include_directories(gltfio_core PUBLIC ${PUBLIC_HDR_DIR})
  +target_compile_options(gltfio_core PRIVATE $<$<PLATFORM_ID:Linux>:-fPIC>)
  if (NOT WEBGL AND NOT ANDROID AND NOT IOS)
  @@ -141,6 +142,7 @@ if (NOT WEBGL AND NOT ANDROID AND NOT IOS)
  else()
  target_compile_options(${TARGET} PRIVATE $<$<CONFIG:Release>:-ffast-math>)
  endif()
  + target_compile_options(${TARGET} PRIVATE $<$<PLATFORM_ID:Linux>:-fPIC>)
  # ==================================================================================================
  # Installation
  