GNU bug report logs - #8559
Irix: linking error due to gnulib/pthread

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Package: coreutils; Reported by: "Gary V. Vaughan" <gary@HIDDEN>; dated Tue, 26 Apr 2011 16:50:03 UTC; Maintainer for coreutils is bug-coreutils@HIDDEN.
Changed bug title to 'Irix: linking error due to gnulib/pthread' from '[Bug Report] gnulib pthread detection prevents coreutils sort from linking' Request was from Assaf Gordon <assafgordon@HIDDEN> to control <at> debbugs.gnu.org. Full text available.

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Date: Tue, 26 Apr 2011 23:48:59 +0700
From: "Gary V. Vaughan" <gary@HIDDEN>
To: bug-gnulib@HIDDEN
Subject: [Bug Report] gnulib pthread detection prevents coreutils sort from
	linking
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When building coreutils-8.11 on Irix 6.3 and Tru64 Unix 5.1, linking
of sort always fails because LIB_PTHREAD=3D''.  Looking through src/
Makefile.am shows that LIBMULTITHREAD=3D'-lpthread' in both cases,
but sort links with LIB_PTHREAD which is empty, leaving pthread
symbols unresolved.

I'm guessing that the weak_threads test in gnulib pthread.m4 and
friends finds one of the weak pthreads symbols in libc, but sort
wants a symbol not provided by libc.

I have worked around this problem on Irix with:

  ./configure ac_cv_search_pthread_create=3D-lpthread <rest of args>

And on Tru64 with:

  ./configure CPPFLAGS=3D-D_REENTRANT ac_cv_search_pthread_create=3D-lpthre=
ad \
  <rest of args>

If I can help track down a better fix that allows pthreads to be
detected properly on these host for coreutils sort and friends,
please don't hesitate to ask.

Cheers,
--=20
Gary V. Vaughan (gary AT gnu DOT org)

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Acknowledgement sent to "Gary V. Vaughan" <gary@HIDDEN>:
New bug report received and forwarded. Copy sent to bug-coreutils@HIDDEN. Full text available.
Report forwarded to owner <at> debbugs.gnu.org, bug-coreutils@HIDDEN:
bug#8559; Package coreutils. Full text available.
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