Add necessary dependency on SDL2 image

CMakeLists.txt

@@ -64,6 +64,7 @@ find_package(GLESv2 REQUIRED)
 find_package(Protobuf REQUIRED)
 
 pkg_check_modules(SDL2 sdl2 REQUIRED)
+pkg_check_modules(SDL2_IMAGE SDL2_image REQUIRED)
 pkg_check_modules(DBUS_CPP dbus-cpp REQUIRED)
 pkg_check_modules(DBUS dbus-1 REQUIRED)
 pkg_check_modules(LXC lxc REQUIRED)

src/CMakeLists.txt

@@ -7,6 +7,7 @@ include_directories(
   ${DBUS_CPP_INCLUDE_DIRS}
   ${DBUS_INCLUDE_DIRS}
   ${SDL2_INCLUDE_DIRS}
+  ${SDL2_IMAGE_INCLUDE_DIRS}
   ${LXC_INCLUDE_DIRS}
   ${MIRCLIENT_INCLUDE_DIRS}
   ${CMAKE_CURRENT_BINARY_DIR}
@@ -217,6 +218,8 @@ target_link_libraries(anbox-core
   ${DBUS_CPP_LIBRARIES}
   ${SDL2_LDFLAGS}
   ${SDL2_LIBRARIES}
+  ${SDL2_IMAGE_LDFLAGS}
+  ${SDL2_IMAGE_LIBRARIES}
   ${LXC_LDFLAGS}
   ${LXC_LIBRARIES}
   ${MIRCLIENT_LDFLAGS}