Hi David: Thanks for your reply, and I will try your suggestion. Thanks all the guys again. On Mon, Sep 19, 2011 at 5:56 PM, zou wonder <wonder.zou@xxxxxxxxx> wrote: > Hi All: > i have just enable -Wall -Wextra. but seem there is no any useful > infomation. just some things like: > > /work/smsc/include/xscmsgqueuemx.h:62: warning: unused parameter ‘seconds’ > /work/smsc/include/xscmsgqueuemx.h:247: warning: unused parameter ‘pri’ > xmmgiwparam.cc: In function ‘uint8 findSCerrInd(TASK_TYPE*, > GIW_VAR_STR*, uint8*, uint8*, uint8*, uint8*)’: > xmmgiwparam.cc:555: warning: suggest parentheses around ‘&&’ within ‘||’ > xmmgiwparam.cc: At global scope: > xmmgiwparam.cc:212: warning: unused parameter ‘type’ > xmmgiwparam.cc:1391: warning: unused parameter ‘task’ > xmmgiwparam.cc:1462: warning: unused parameter ‘task’ > xmmgiwparam.cc:1574: warning: unused parameter ‘msg’ > xmmgiwparam.cc: In function ‘void put_giwu_MOdataInd(GIW_VAR_STR*, giw_asn*)’: > xmmgiwparam.cc:1946: warning: unused variable ‘address’ > xmmgiwparam.cc: In function ‘void put_giw_up_params(MESSAGE*, > PRIMITIVE, GIW_VAR_STR*)’: > xmmgiwparam.cc:2055: warning: unused variable ‘alertingMSaddr’ > xmmgiwparam.cc:2060: warning: unused variable ‘addr_str’ > xmmgiwparam.cc: In function ‘void put_giwd_openReq(GIW_VAR_STR*, > giw_asn*, ISDNAddress*)’: > xmmgiwparam.cc:2915: warning: suggest parentheses around ‘&&’ within ‘||’ > xmmgiwparam.cc:2933: warning: suggest parentheses around ‘&&’ within ‘||’ > xmmgiwparam.cc: In function ‘void put_giwd_forwardSMReq(MESSAGE*, > GIW_VAR_STR*, giw_asn*)’: > xmmgiwparam.cc:3163: warning: suggest parentheses around ‘&&’ within ‘||’ > xmmgiwparam.cc: At global scope: > xmmgiwparam.cc:3143: warning: unused parameter ‘msg’ > xmmgiwparam.cc: In function ‘void put_giw_down_params(MESSAGE*, > PRIMITIVE, GIW_VAR_STR*)’: > xmmgiwparam.cc:3347: warning: unused variable ‘smRPsmea’ > xmmgiwparam.cc:3348: warning: unused variable ‘scAddrForHLR’ > , > > > > > > > > > I am wondering now, Could i add the optimization options which is > enable by -O one by one? > > by then, hope i could find which optimization option affect my code? > > but I do not know what is the difference options which is owned just by -O? > > > thanks again. > > On Fri, Sep 16, 2011 at 5:47 PM, Jonathan Wakely <jwakely.gcc@xxxxxxxxx> wrote: >> On 16 September 2011 10:12, zou wonder wrote: >>> hi david: >>> i have tried to enable all the warning option you provided : >>> and here are some warnings: >> >> As Miles said, many of the warning options David suggested are not >> suitable for all code, you will get most of the benefit just using >> -Wall -Wextra >> >
