On Jun 28, 2010, at 05:28 PM, M.-A. Lemburg wrote: >How many Python users will compile Python in debug mode ? How many Python users compile Python at all? :) >The point is that the default build of Python should use >the correct production settings for the C compiler out of >the box and that's what AC_PROG_CC is all about. Sure. >I'm pretty sure that Python developers who want to use a >debug build have enough code foo to get the -O2 turned into a -O0 >either by adjust OPT and/or by providing their own CFLAGS env var. Yes, but it's a PITA for several reasons, IMO: * It's pretty underdocumented * It's obscure * It's hard to remember the exact fu needed because you do it infrequently * I usually only remember my mistake when gdb acts funny I strongly suggest that --with-pydebug should be all you need to ensure the best debugging environment, which means turning off compiler optimization. Last time I tried, the -O0 was added and it worked well. (I know this has been in flux though.) >Also note that in some cases you may actually want to have >a debug build with optimizations turned on, e.g. to track down >a compiler optimization bug. Yes, but that's *much* more rare than wanting to step through some bit of C code without going crazy. -Barry -------------- next part -------------- A non-text attachment was scrubbed... Name: signature.asc Type: application/pgp-signature Size: 836 bytes Desc: not available URL: <http://mail.python.org/pipermail/python-dev/attachments/20100629/5b97110c/attachment.pgp>
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