On Fri, Jan 05, 2018 at 03:35:29PM -0500, DJ Delorie wrote: > I recently tried to build strace on a system with gawk 3 (RHEL 6, > specifically). Configure tested for gawk, found it, ran mpers.awk, > which failed... and silently ignored the failure.
The expected configure output in this case is checking whether mpers.sh -m32 works... gawk: ./mpers.awk:42: array_return = array[array_idx][array_member] gawk: ./mpers.awk:42: ^ syntax error ... no which I wouldn't call "silently ignored". > The resulting > strace was built but didn't function correctly. Yes, if mpers.sh doesn't work for any reason, mpers support won't be compiled and output of 64-bit strace for 32-bit processes will likely be incorrect. > The core problem is that gawk 3 doesn't support [][] multi-dimensional > arrays at all. > > Should gawk 3 be supported? Given that gawk 4 is getting more widespread every year, nobody is working on adding gawk 3 support to mpers.awk. > If not, shouldn't configure check for > multi-dimensional array support and fail if it's not found? Do you suggest failing the build in this case? -- ldv
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