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https://issues.apache.org/jira/browse/LUCY-157?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13048386#comment-13048386
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Marvin Humphrey commented on LUCY-157:
--------------------------------------
CPAN Testers failure for OpenBSD 4.9 and Perl 5.10.0:
http://www.cpantesters.org/cpan/report/5e21bf78-943b-11e0-92a5-c348c9b7ec30
Lucy only makes use of pthreads when no atomics library is available. It's
the last fallback: if pthreads.h isn't there, Lucy will fail to build.
In this case, Lucy built -- so pthread.h is there -- but lazy binding failed
for the symbols pthread_mutex_lock and pthread_mutex_unlock. This seems to
have happened because OpenBSD has userland pthreads, requiring the addition of
the `-pthread` flag at link time.
Lucy built and passed it's tests on other OpenBSD 4.9 boxen, but the Perls in
question have "-pthread" in the "ldflags", which gets passed along to the
linker via ExtUtils::CBuilder.
http://www.cpantesters.org/cpan/report/f99b520a-9244-11e0-92a5-c348c9b7ec30
{noformat}
Linker and Libraries:
ld='cc', ldflags ='-pthread -Wl,-E -fstack-protector -L/usr/local/lib'
libpth=/usr/local/lib /usr/lib
{noformat}
> Add -pthread linker flag on OpenBSD
> -----------------------------------
>
> Key: LUCY-157
> URL: https://issues.apache.org/jira/browse/LUCY-157
> Project: Lucy
> Issue Type: Bug
> Affects Versions: 0.1.0 (incubating)
> Reporter: Marvin Humphrey
> Priority: Minor
> Fix For: 0.1.1 (incubating)
>
>
> OpenBSD has userland pthreads, requiring the addition of the
> "-pthread" linker flag so that lazy binding does not fail.
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