/home/ggg/zandronum_build/zandronum/tools/zipdir/zipdir.c:936:8: warning: attempt to free a non-heap 
object ‘compbuf’ [-Wfree-nonheap-object]
    free(compbuf);
        ^	
/home/ggg/zandronum_build/zandronum/src/d_net.cpp:2652:33: warning: format ‘%d’ expects argument 
of type ‘int’, but argument 2 has type ‘ULONG {aka long unsigned int}’ [-Wformat=]
      players[i].userinfo.netname);
                                 ^
/home/ggg/zandronum_build/zandronum/src/team.cpp:1254:17: warning: converting to non-pointer type ‘ULONG 
{aka long unsigned int}’ from NULL [-Wconversion-null]
   return ( NULL );
                 ^
/home/ggg/zandronum_build/zandronum/upnpnat/upnpnat.cpp:481:114: warning: format ‘%d’ expects argument 
of type ‘int’, but argument 6 has type ‘std::basic_string<char>::size_type {aka long unsigned 
int}’ [-Wformat=]
  sprintf(buff,HTTP_HEADER_ACTION,pathString,host.c_str(),port,soap_message.size(),service_type.c_str(),ACTION_ADD);
                                                                                                                  
^
/home/ggg/zandronum_build/zandronum/src/d_protocol.cpp:220:43: warning: narrowing conversion of ‘(((unsigned 
int)ucmd->usercmd_t::buttons) & 127u)’ from ‘unsigned int’ to ‘BYTE {aka unsigned char}’ 
inside { } is ill-formed in C++11 [-Wnarrowing]
   BYTE bytes[4] = {  ucmd->buttons        & 0x7F,
                                           ^
/home/ggg/zandronum_build/zandronum/src/d_protocol.cpp:223:31: warning: narrowing conversion of ‘((((unsigned 
int)ucmd->usercmd_t::buttons) >> 21) & 255u)’ from ‘unsigned int’ to ‘BYTE {aka 
unsigned char}’ inside { } is ill-formed in C++11 [-Wnarrowing]
         (ucmd->buttons >> 21) & 0xFF };
                               ^
/home/ggg/zandronum_build/zandronum/src/c_console.cpp:665:36: warning: comparison between signed and 
unsigned integer expressions [-Wsign-compare]
    for (int j = 0; j < NUMNOTIFIES-1; ++j)
                                    ^
/home/ggg/zandronum_build/zandronum/src/c_console.cpp:205:42: warning: comparison between signed and 
unsigned integer expressions [-Wsign-compare]
 #define NUMNOTIFIES (NotifyStrings.Size()) // 4
                                          ^
/home/ggg/zandronum_build/zandronum/src/w_wad.cpp:794:34: warning: comparison between signed and unsigned 
integer expressions [-Wsign-compare]
   for (int i = 0; i < arc->DB.db.NumFiles; ++i)
                                  ^
/home/ggg/zandronum_build/zandronum/src/g_game.cpp:4508:36: warning: narrowing conversion of ‘BigLong(35)’ 
from ‘int’ to ‘DWORD {aka unsigned int}’ inside { } is ill-formed in C++11 [-Wnarrowing]
   DWORD time[2] = { BigLong(TICRATE), BigLong(level.time) };
                                    ^
/home/ggg/zandronum_build/zandronum/src/g_game.cpp:4508:57: warning: narrowing conversion of ‘BigLong(level.FLevelLocals::time)’ 
from ‘int’ to ‘DWORD {aka unsigned int}’ inside { } is ill-formed in C++11 [-Wnarrowing]
   DWORD time[2] = { BigLong(TICRATE), BigLong(level.time) };
                                                         ^
/home/ggg/zandronum_build/zandronum/src/gl/gl_portal.cpp:617:54: warning: narrowing conversion of ‘GLPortal::PlaneMirrorMode’ 
from ‘int’ to ‘double’ inside { } is ill-formed in C++11 [-Wnarrowing]
  double d[4]={0, PlaneMirrorMode, 0, TO_GL(origin->d)};
                                                      ^
/home/ggg/zandronum_build/zandronum/src/r_main.cpp:1233:55: warning: ‘newblend’ may be used uninitialized 
in this function [-Wmaybe-uninitialized]
    NormalLight.Maps = realcolormaps + NUMCOLORMAPS*256*newblend;
                                                       ^
/home/ggg/zandronum_build/zandronum/src/gl/gl_light.cpp:447:27: warning: comparison between signed and 
unsigned integer expressions [-Wsign-compare]
   gl_EnableFog(fogcolor!=-1);
                           ^
/home/ggg/zandronum_build/zandronum/src/gl/gl_light.cpp:450:19: warning: comparison between signed and 
unsigned integer expressions [-Wsign-compare]
    if (fogcolor!=-1)
                   ^