Python3 GCC 5.3.1 build fails

[Elinvention]

building 'pygame_sdl2.error' extension
x86_64-linux-gnu-gcc -pthread -DNDEBUG -g -fwrapv -O2 -Wall -Wstrict-prototypes -g -fstack-protector-strong -Wformat -Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 -fPIC -I. -Isrc -I/usr/include/SDL2 -I/usr/include/python3.5m -I/home/elia/Progetti/Python/pygame-sdl2/include/python3.5m -c gen3/pygame_sdl2.error.c -o build/temp.linux-x86_64-3.5/gen3/pygame_sdl2.error.o -D_REENTRANT
gen3/pygame_sdl2.error.c: In function ‘__pyx_pf_11pygame_sdl2_5error_2set_error’:
gen3/pygame_sdl2.error.c:1072:3: error: format not a string literal and no format arguments [-Werror=format-security]
   SDL_SetError(__pyx_t_3);
   ^
cc1: some warnings being treated as errors
error: command 'x86_64-linux-gnu-gcc' failed with exit status 1

[Elinvention]

Here is another one:

building 'pygame_sdl2.rwobject' extension
x86_64-linux-gnu-gcc -pthread -DNDEBUG -g -fwrapv -O2 -Wall -Wstrict-prototypes -g -fstack-protector-strong -Wformat -Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 -fPIC -I. -Isrc -I/usr/include/SDL2 -I/usr/include/python3.5m -I/home/elia/Progetti/Python/pygame-sdl2/include/python3.5m -c gen3/pygame_sdl2.rwobject.c -o build/temp.linux-x86_64-3.5/gen3/pygame_sdl2.rwobject.o -D_REENTRANT
gen3/pygame_sdl2.rwobject.c: In function ‘__pyx_f_11pygame_sdl2_8rwobject_set_error’:
gen3/pygame_sdl2.rwobject.c:833:3: error: format not a string literal and no format arguments [-Werror=format-security]
   SDL_SetError(__pyx_t_4);
   ^
cc1: some warnings being treated as errors
error: command 'x86_64-linux-gnu-gcc' failed with exit status 1

Thank you very much.

[renpytom]

Did you delete a message about SDL_mixer being missing?

[Elinvention]

Yes I realized that I missed a dependency right after posting.

[Elinvention]

Now it builds fine, thank you.