On 8 Apr 2017, at 16:28, Roman Bogorodskiy wrote: > This looks like the same problem I'm having on FreeBSD. Its ARG_MAX > value is too low and not tunable, and the command line for syntax-check > does not fit. > > I work around that by applying a patch to make ARG_MAX tunable on > FreeBSD (haven't yet upstreamed that though), but not sure how to tweak > that on macOS.
ARG_MAX on macOS is set to 256*1024 on macOS [1], and kern.argmax is also a readonly sysctl. Briefly looking over the xnu source tree leads me to believe that making ARG_MAX unable there is even more tricky than on FreeBSD. Just increasing ARG_MAX and recompiling xnu might work though. Then again, most apple boxes tend to not run self-compiled kernels, so I would just go with your second suggestion. > Probably a better way would be to somehow reduce length of the command > line. Fabian Freyer [1] https://github.com/opensource-apple/xnu/blob/53c5e2e62fc4182595609153d4b99648da577c39/bsd/sys/syslimits.h#L75
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