Warnings when compiling on Pi

[pzl]

GCC info

gcc --version
gcc (GCC) 4.9.2
Copyright (C) 2014 Free Software Foundation, Inc.
This is free software; see the source for copying conditions.  There is NO
warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.

Output

make
gcc -Wall -Wextra -Wfloat-equal -Wshadow -Wpointer-arith -Wcast-align -Wwrite-strings -ftrapv -fPIC -DPI -Os -std=gnu99 -pedantic -I. -I/opt/vc/include -I/opt/vc/include/interface/vcos/pthreads -I/opt/vc/include/interface/vmcs_host/linux -c -o build/windowing_pi.o src/windowing_pi.c -shared -Wl,-soname,libovg.so.0 -L/opt/vc/lib -s -lbcm_host -lEGL -lGLESv2
In file included from /opt/vc/include/interface/vcos/vcos.h:139:0,
                 from /opt/vc/include/interface/vmcs_host/vc_dispmanx.h:33,
                 from /opt/vc/include/EGL/eglplatform.h:110,
                 from /opt/vc/include/EGL/egl.h:36,
                 from src/windowing_pi.c:4:
/opt/vc/include/interface/vcos/vcos_logging.h:225:39: warning: ISO C does not permit named variadic macros [-Wvariadic-macros]
 #  define _VCOS_LOG_X(cat, _level, fmt...)   do { if (vcos_is_log_enabled(cat,_level)) vcos_log_impl(cat,_level,fmt); } while (0)
                                       ^
In file included from /opt/vc/include/interface/vmcs_host/vc_tvservice_defs.h:37:0,
                 from /opt/vc/include/interface/vmcs_host/vc_tvservice.h:40,
                 from /opt/vc/include/bcm_host.h:47,
                 from src/windowing_pi.c:6:
/opt/vc/include/interface/vmcs_host/vc_sdtv.h:42:33: warning: ISO C restricts enumerator values to range of 'int' [-Wpedantic]
    SDTV_COLOUR_FORCE_32BIT    = 0x80000000
                                 ^
/opt/vc/include/interface/vmcs_host/vc_sdtv.h:61:28: warning: ISO C restricts enumerator values to range of 'int' [-Wpedantic]
    SDTV_MODE_FORCE_32BIT = 0x80000000
                            ^
/opt/vc/include/interface/vmcs_host/vc_sdtv.h:72:29: warning: ISO C restricts enumerator values to range of 'int' [-Wpedantic]
    SDTV_ASPECTFORCE_32BIT = 0x80000000
                             ^
/opt/vc/include/interface/vmcs_host/vc_sdtv.h:101:26: warning: ISO C restricts enumerator values to range of 'int' [-Wpedantic]
    SDTV_CP_FORCE_32BIT = 0x80000000
                          ^
In file included from /opt/vc/include/interface/vcos/vcos.h:185:0,
                 from /opt/vc/include/interface/vmcs_host/vc_dispmanx.h:33,
                 from /opt/vc/include/EGL/eglplatform.h:110,
                 from /opt/vc/include/EGL/egl.h:36,
                 from src/windowing_pi.c:4:
/opt/vc/include/interface/vcos/vcos_timer.h:112:6: warning: inline function 'vcos_timer_delete' declared but never defined
 void vcos_timer_delete(VCOS_TIMER_T *timer);
      ^
/opt/vc/include/interface/vcos/vcos_timer.h:109:6: warning: inline function 'vcos_timer_reset' declared but never defined
 void vcos_timer_reset(VCOS_TIMER_T *timer, VCOS_UNSIGNED delay);
      ^
/opt/vc/include/interface/vcos/vcos_timer.h:102:6: warning: inline function 'vcos_timer_cancel' declared but never defined
 void vcos_timer_cancel(VCOS_TIMER_T *timer);
      ^
/opt/vc/include/interface/vcos/vcos_timer.h:95:6: warning: inline function 'vcos_timer_set' declared but never defined
 void vcos_timer_set(VCOS_TIMER_T *timer, VCOS_UNSIGNED delay);
      ^
/opt/vc/include/interface/vcos/vcos_timer.h:80:15: warning: inline function 'vcos_timer_create' declared but never defined
 VCOS_STATUS_T vcos_timer_create(VCOS_TIMER_T *timer,
               ^
In file included from /opt/vc/include/interface/vcos/vcos.h:127:0,
                 from /opt/vc/include/interface/vmcs_host/vc_dispmanx.h:33,
                 from /opt/vc/include/EGL/eglplatform.h:110,
                 from /opt/vc/include/EGL/egl.h:36,
                 from src/windowing_pi.c:4:
/opt/vc/include/interface/vcos/vcos_thread.h:269:6: warning: inline function 'vcos_thread_resume' declared but never defined
 void vcos_thread_resume(VCOS_THREAD_T *thread);
      ^
/opt/vc/include/interface/vcos/vcos_thread.h:262:5: warning: inline function 'vcos_thread_running' declared but never defined
 int vcos_thread_running(VCOS_THREAD_T *thread);
     ^
/opt/vc/include/interface/vcos/vcos_thread.h:251:15: warning: inline function 'vcos_change_preemption' declared but never defined
 VCOS_UNSIGNED vcos_change_preemption(VCOS_UNSIGNED pe);
               ^
/opt/vc/include/interface/vcos/vcos_thread.h:234:6: warning: inline function 'vcos_thread_relinquish' declared but never defined
 void vcos_thread_relinquish(void);
      ^
/opt/vc/include/interface/vcos/vcos_thread.h:186:15: warning: inline function 'vcos_thread_get_affinity' declared but never defined
 VCOS_UNSIGNED vcos_thread_get_affinity(VCOS_THREAD_T *thread);
               ^
In file included from /opt/vc/include/interface/vcos/vcos.h:185:0,
                 from /opt/vc/include/interface/vmcs_host/vc_dispmanx.h:33,
                 from /opt/vc/include/EGL/eglplatform.h:110,
                 from /opt/vc/include/EGL/egl.h:36,
                 from src/windowing_pi.c:4:
/opt/vc/include/interface/vcos/vcos_timer.h:112:6: warning: inline function 'vcos_timer_delete' declared but never defined
 void vcos_timer_delete(VCOS_TIMER_T *timer);
      ^
/opt/vc/include/interface/vcos/vcos_timer.h:109:6: warning: inline function 'vcos_timer_reset' declared but never defined
 void vcos_timer_reset(VCOS_TIMER_T *timer, VCOS_UNSIGNED delay);
      ^
/opt/vc/include/interface/vcos/vcos_timer.h:102:6: warning: inline function 'vcos_timer_cancel' declared but never defined
 void vcos_timer_cancel(VCOS_TIMER_T *timer);
      ^
/opt/vc/include/interface/vcos/vcos_timer.h:95:6: warning: inline function 'vcos_timer_set' declared but never defined
 void vcos_timer_set(VCOS_TIMER_T *timer, VCOS_UNSIGNED delay);
      ^
/opt/vc/include/interface/vcos/vcos_timer.h:80:15: warning: inline function 'vcos_timer_create' declared but never defined
 VCOS_STATUS_T vcos_timer_create(VCOS_TIMER_T *timer,
               ^
In file included from /opt/vc/include/interface/vcos/vcos.h:127:0,
                 from /opt/vc/include/interface/vmcs_host/vc_dispmanx.h:33,
                 from /opt/vc/include/EGL/eglplatform.h:110,
                 from /opt/vc/include/EGL/egl.h:36,
                 from src/windowing_pi.c:4:
/opt/vc/include/interface/vcos/vcos_thread.h:269:6: warning: inline function 'vcos_thread_resume' declared but never defined
 void vcos_thread_resume(VCOS_THREAD_T *thread);
      ^
/opt/vc/include/interface/vcos/vcos_thread.h:262:5: warning: inline function 'vcos_thread_running' declared but never defined
 int vcos_thread_running(VCOS_THREAD_T *thread);
     ^
/opt/vc/include/interface/vcos/vcos_thread.h:251:15: warning: inline function 'vcos_change_preemption' declared but never defined
 VCOS_UNSIGNED vcos_change_preemption(VCOS_UNSIGNED pe);
               ^
/opt/vc/include/interface/vcos/vcos_thread.h:234:6: warning: inline function 'vcos_thread_relinquish' declared but never defined
 void vcos_thread_relinquish(void);
      ^
/opt/vc/include/interface/vcos/vcos_thread.h:186:15: warning: inline function 'vcos_thread_get_affinity' declared but never defined
 VCOS_UNSIGNED vcos_thread_get_affinity(VCOS_THREAD_T *thread);
               ^
ar rcs libovg.a build/transform.o build/utility.o build/basic_shapes.o build/font.o build/paint.o build/windowing_pi.o
gcc -Wall -Wextra -Wfloat-equal -Wshadow -Wpointer-arith -Wcast-align -Wwrite-strings -ftrapv -fPIC -DPI -Os -std=gnu99 -pedantic -I. -I/opt/vc/include -I/opt/vc/include/interface/vcos/pthreads -I/opt/vc/include/interface/vmcs_host/linux -shared -Wl,-soname,libovg.so.0 -L/opt/vc/lib -s -o libovg.so.0.0.1 build/transform.o build/utility.o build/basic_shapes.o build/font.o build/paint.o build/windowing_pi.o -lbcm_host -lEGL -lGLESv2