[gnutls-devel] -jX broken for X > 2 (in guile)
Ludovic Courtès
ludo at gnu.org
Fri Sep 13 23:50:51 CEST 2013
Andreas Metzler <ametzler at bebt.de> skribis:
> On 2013-09-13 Ludovic Courtès <ludo at gnu.org> wrote:
>> Andreas Metzler <ametzler at bebt.de> scribes:
>
>>> gnutls 3.2.4 guile bindings are miscompiled by "make -j3" and greater,
>>> the testsuite catches the error. On my system (Dualcore, no
>>> Hyper-threading) -j3 fails occassionally, while greater values fail
>>> more reliably. -j2 /seems/ to work.
>
>> Commit 330995a920037b6030ec0282b51dde3f8b493cad (which is in 3.2.4)
>> fixed a similar problem.
>
>> I just tried with both Guile 2.0 and 1.8 and cannot reproduce the issue.
>
>> Could you post the build log and a GDB backtrace for the failing test(s)?
> [...]
>
> Build log is e.g. here:
> https://buildd.debian.org/status/fetch.php?pkg=gnutls28&arch=amd64&ver=3.2.4-3&stamp=1378651617
> https://buildd.debian.org/status/fetch.php?pkg=gnutls28&arch=powerpc&ver=3.2.4-3&stamp=1378653753
Could you try this:
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I just noticed this (info "(make) Suffix Rules"):
Suffix rules cannot have any prerequisites of their own. If they
have any, they are treated as normal files with funny names, not as
suffix rules. Thus, the rule:
.c.o: foo.h
$(CC) -c $(CFLAGS) $(CPPFLAGS) -o $@ $<
tells how to make the file `.c.o' from the prerequisite file `foo.h',
and is not at all like the pattern rule:
%.o: %.c foo.h
$(CC) -c $(CFLAGS) $(CPPFLAGS) -o $@ $<
which tells how to make `.o' files from `.c' files, and makes all `.o'
files using this pattern rule also depend on `foo.h'.
That means the fix mentioned above must have been ineffective...
Thanks,
Ludo’.
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