Compile using older version (2.8) of CMake
Index: moonlight-embedded/CMakeLists.txt
===================================================================
--- moonlight-embedded.orig/CMakeLists.txt	2015-11-24 18:12:41.000000000 +0000
+++ moonlight-embedded/CMakeLists.txt	2015-11-24 18:16:41.000000000 +0000
@@ -1,5 +1,5 @@
 project(moonlight-embedded C)
-cmake_minimum_required(VERSION 3.1)
+cmake_minimum_required(VERSION 2.8)
 SET(CMAKE_MODULE_PATH "${PROJECT_SOURCE_DIR}/cmake")
 include(${CMAKE_ROOT}/Modules/GNUInstallDirs.cmake)
 
@@ -58,11 +58,11 @@
 
 add_executable(moonlight ${SRC_LIST})
 target_link_libraries(moonlight gamestream)
-set_property(TARGET moonlight PROPERTY C_STANDARD 99)
+set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -std=gnu99")
 
 if (CEC_FOUND AND CEC_VERSION_COMPATIBLE)
   list(APPEND MOONLIGHT_DEFINITIONS HAVE_LIBCEC)
-  target_include_directories(moonlight PRIVATE ./third_party/libcec ${CEC_INCLUDE_DIRS}/libcec)
+  include_directories(./third_party/libcec ${CEC_INCLUDE_DIRS}/libcec)
   target_link_libraries(moonlight ${CEC_LIBRARIES})
 endif()
 
@@ -70,7 +70,7 @@
   list(APPEND MOONLIGHT_DEFINITIONS HAVE_PI)
   aux_source_directory(./third_party/ilclient ILCLIENT_SRC_LIST)
   add_library(moonlight-pi SHARED ./src/video/pi.c ${ILCLIENT_SRC_LIST})
-  target_include_directories(moonlight-pi PRIVATE ./third_party/ilclient ${BROADCOM_INCLUDE_DIRS} ${GAMESTREAM_INCLUDE_DIR} ${MOONLIGHT_COMMON_INCLUDE_DIR})
+  include_directories(./third_party/ilclient ${BROADCOM_INCLUDE_DIRS})
   target_link_libraries(moonlight-pi gamestream ${BROADCOM_LIBRARIES})
   set_property(TARGET moonlight-pi PROPERTY COMPILE_DEFINITIONS ${BROADCOM_DEFINITIONS})
   install(TARGETS moonlight-pi DESTINATION ${CMAKE_INSTALL_LIBDIR})
@@ -79,18 +79,18 @@
 if(FREESCALE_FOUND)
   list(APPEND MOONLIGHT_DEFINITIONS HAVE_IMX)
   add_library(moonlight-imx SHARED ./src/video/imx.c)
-  target_include_directories(moonlight-imx PRIVATE ${FREESCALE_INCLUDE_DIRS} ${GAMESTREAM_INCLUDE_DIR} ${MOONLIGHT_COMMON_INCLUDE_DIR})
+  include_directories(${FREESCALE_INCLUDE_DIRS} ${GAMESTREAM_INCLUDE_DIR} ${MOONLIGHT_COMMON_INCLUDE_DIR})
   target_link_libraries(moonlight-imx gamestream ${FREESCALE_LIBRARIES})
   install(TARGETS moonlight-imx DESTINATION ${CMAKE_INSTALL_LIBDIR})
 endif()
 
 if (SOFTWARE_FOUND)
-  target_include_directories(moonlight PRIVATE ${SDL_INCLUDE_DIRS} ${AVCODEC_INCLUDE_DIRS} ${AVUTIL_INCLUDE_DIRS} ${SWSCALE_INCLUDE_DIRS})
+  include_directories(${SDL_INCLUDE_DIRS} ${AVCODEC_INCLUDE_DIRS} ${AVUTIL_INCLUDE_DIRS} ${SWSCALE_INCLUDE_DIRS})
   target_link_libraries(moonlight ${SDL_LIBRARIES} ${AVCODEC_LIBRARIES} ${AVUTIL_LIBRARIES} ${SWSCALE_LIBRARIES})
 endif()
 
 set_property(TARGET moonlight PROPERTY COMPILE_DEFINITIONS ${MOONLIGHT_DEFINITIONS})
-target_include_directories(moonlight PRIVATE ${GAMESTREAM_INCLUDE_DIR} ${MOONLIGHT_COMMON_INCLUDE_DIR} ${OPUS_INCLUDE_DIRS} ${EVDEV_INCLUDE_DIRS} ${UDEV_INCLUDE_DIRS})
+include_directories(${GAMESTREAM_INCLUDE_DIR} ${MOONLIGHT_COMMON_INCLUDE_DIR} ${OPUS_INCLUDE_DIRS} ${EVDEV_INCLUDE_DIRS} ${UDEV_INCLUDE_DIRS})
 target_link_libraries(moonlight ${EVDEV_LIBRARIES} ${ALSA_LIBRARY} ${OPUS_LIBRARY} ${UDEV_LIBRARIES} ${CMAKE_DL_LIBS})
 
 add_subdirectory(docs)
Index: moonlight-embedded/libgamestream/CMakeLists.txt
===================================================================
--- moonlight-embedded.orig/libgamestream/CMakeLists.txt	2015-11-24 18:12:27.000000000 +0000
+++ moonlight-embedded/libgamestream/CMakeLists.txt	2015-11-24 18:15:27.000000000 +0000
@@ -14,13 +14,13 @@
 add_library(moonlight-common SHARED ${MOONLIGHT_COMMON_SRC_LIST})
 
 add_library(gamestream SHARED ${GAMESTREAM_SRC_LIST})
-set_property(TARGET gamestream PROPERTY C_STANDARD 99)
+set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -std=gnu99")
 target_link_libraries(gamestream moonlight-common)
 
 set_target_properties(gamestream PROPERTIES SOVERSION 0 VERSION ${MOONLIGHT_VERSION})
 set_target_properties(moonlight-common PROPERTIES SOVERSION 0 VERSION ${MOONLIGHT_VERSION})
 
-target_include_directories(gamestream PRIVATE ../third_party/moonlight-common-c ../third_party/h264bitstream ${AVAHI_INCLUDE_DIRS})
+include_directories(../third_party/h264bitstream ../third_party/moonlight-common-c ${AVAHI_INCLUDE_DIRS})
 target_link_libraries(gamestream ${CURL_LIBRARIES} ${OPENSSL_LIBRARIES} ${EXPAT_LIBRARIES} ${AVAHI_LIBRARIES})
 
 target_link_libraries(gamestream ${CMAKE_THREAD_LIBS_INIT} ${CMAKE_DL_LIBS})