Hi Bruno, l...@gnu.org (Ludovic Courtès) skribis:
> Bruno Haible <br...@clisp.org> skribis: > >> 8) On Linux/hppa and Linux/SPARC32 and Linux/IA-64, build failure in the >> libguile directory: >> >> SNARF socket.doc >> SNARF regex-posix.doc >> GEN guile-procedures.texi >> /bin/sh: line 1: 1022 Broken pipe cat alist.doc arbiters.doc >> array-handle.doc array-map.doc arrays.doc async.doc backtrace.doc >> boolean.doc bitvectors.doc bytevectors.doc chars.doc control.doc >> continuations.doc debug.doc deprecated.doc deprecation.doc dynl.doc >> dynwind.doc eq.doc error.doc eval.doc evalext.doc expand.doc extensions.doc >> feature.doc filesys.doc fluids.doc foreign.doc fports.doc gc-malloc.doc >> gc.doc gettext.doc generalized-arrays.doc generalized-vectors.doc goops.doc >> gsubr.doc guardians.doc hash.doc hashtab.doc hooks.doc i18n.doc init.doc >> ioext.doc keywords.doc list.doc load.doc macros.doc mallocs.doc memoize.doc >> modules.doc numbers.doc objprop.doc options.doc pairs.doc ports.doc >> print.doc procprop.doc procs.doc promises.doc r6rs-ports.doc random.doc >> rdelim.doc read.doc root.doc rw.doc scmsigs.doc script.doc simpos.doc >> smob.doc sort.doc srcprop.doc srfi-1.doc srfi-4.doc srfi-13.doc srfi-14.doc >> srfi-60.doc stackchk.doc stacks.doc stime.doc strings.doc strorder.doc >> strports.doc struct.doc symbols.doc threads.doc throw.doc trees.doc >> uniform.doc values.doc variable.doc vectors.doc version.doc vports.doc >> weaks.doc dynl.doc posix.doc net_db.doc socket.doc regex-posix.doc >> 1023 Segmentation fault | GUILE_AUTO_COMPILE=0 >> ../meta/uninstalled-env guild snarf-check-and-output-texi > >> guile-procedures.texi >> make[3]: *** [guile-procedures.texi] Error 1 > > I bisected this and found this harmless-looking patch to be the culprit: > > > http://git.savannah.gnu.org/cgit/guile.git/commit/?id=3e54fdfc217969abb50a46ec9c9c5c02a2c7d369 > > The segfault would occur in vm-i-system.c:1281, in the ‘CACHE_PROGRAM’ > macro, while trying to access ‘SCM_PROGRAM_DATA’, because of a bogus > value for ‘program’, stemming from a bogus ‘fp’. > > After a long and tiring period of investigation, I found that reverting > just the definitions SCM_FRAME_DYNAMIC_LINK and > SCM_FRAME_SET_DYNAMIC_LINK would solve the problem. > > Eventually, I found that, keeping frames.h unchanged, adding a compiler > barrier after each ‘fp’ assignment would solve the problem: I’ve checked this in: http://git.sv.gnu.org/cgit/guile.git/commit/?h=stable-2.0&id=2b264d7e4fb649955ade1814527b6eb6f34f4e18 Closing the bug, because I think bugs were all addressed. Let us know if you think I got it wrong! Thanks, Ludo’.
