On 2007/11/29, John Love-Jensen <eljay@xxxxxxxxx> wrote: > Hi J.C., > > In your ishootyou.c, if your objective is to have the compiler display the > warning, ala... > > gcc -O -Wuninitialized -lm -Wall ishootyou.c -o ishootyou > > ishootyou.c:12: warning: 'uninitialized_var_gurka' may be used uninitialized > in this function > > ...how come you are not enabling the warning, as I've done above? > > Or even more so, as indicated by the comment in the code, treating it as an > error? > > gcc -Werror -O -Wuninitialized -lm -Wall ishootyou.c -o ishootyou > > On my version of GCC, I realize that -Wall enables -Wuninitialized ... but > ONLY if optimizations are enabled. Which has already been mentioned by > someone else in this discussion thread. > > Sincerely, > --Eljay Put -Werror -Wuninitialized -Wall to one large project that has many warnings, and it will be tedious to abort the entire project at the first warning!!! To ignore -Werror is not a solution. The solution is to implement -Werror-uninitialized. Agree we it? J.C.Pizarro
