On August 6, 2018 1:42 PM, Ævar Arnfjörð Bjarmason wrote: > On Mon, Aug 06 2018, Randall S. Becker wrote: > > > On August 6, 2018 12:40 PM, Ævar Arnfjörð Bjarmason wrote: > >> On Sat, Aug 04 2018, Junio C Hamano wrote: > >> > >> > Duy Nguyen <pclouds@xxxxxxxxx> writes: > >> > > >> >> On Sat, Aug 4, 2018 at 8:11 AM Jonathan Nieder > >> >> <jrnieder@xxxxxxxxx> > >> wrote: > >> >>> My main concern is not about them but about other people building > >> >>> from source in order to run (instead of to develop) Git, and by > >> >>> extension, the people they go to for help when it doesn't work. > >> >>> I have lots of bitter experience of -Werror being a support > >> >>> headache and leading to bad workarounds when someone upgrades > >> >>> their compiler and the build starts failing due to a new warning it has > introduced. > >> >> > >> >> Even old compilers can also throw some silly, false positive > >> >> warnings (which now turn into errors) because they are not as > >> >> smart as new ones. > >> > > >> > I agree with both of the above. I do not think the pros-and-cons > >> > are in favor of forcing the developer bit to everybody, even though > >> > I am sympathetic to the desire to see people throw fewer bad > >> > changes that waste review bandwidth by not compiling or passing its > >> > own tests at us. > >> > >> I agree. > >> > >> Responding to the thread in general, perhaps people would like this > >> more if we turned DEVELOPER=1 DEVOPTS=no-error on by default? > >> > >> That's basically why I added it in 99f763baf5 ("Makefile: add a > >> DEVOPTS to suppress -Werror under DEVELOPER", 2018-04-14), because I > >> wanted the abilty to have verbose informative output without the > >> build dying on some older systems / compilers. > >> > >> It's fine and understandable if you're someone who's just building a > >> package on some older system if you get a bunch of compiler warnings, > >> but more annoying if you have to dig into how to disable a default - > Werror. > > > > I am the platform maintainer for HPE NonStop and need to make sure I'm > > not packaging DEV builds to anyone > > Perhaps confusingly, the DEVELOPER=1 flag in git is not like the developer > flag in some other projects. It's purely there to turn on extra compiler > warnings (by default, fatal), it doesn't e.g. turn on extra asserts, tracing, or > suppress stripping of the binaries. > > So if we enabled some variant of it by default it would be fine to ship the > result of that to your users, e.g. I ship DEVELOPER=1 builds to users. That works for me. I generally consider warnings to be errors in my builds anyway, by policy (except when I have no choice in the matter and the warning is explainable). Cheers, Randall -- Brief whoami: NonStop developer since approximately 211288444200000000 UNIX developer since approximately 421664400 -- In my real life, I talk too much.