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* Don't link against pthreads. This was added way back in r211

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because Berkeley DB needed it on some platforms, but we don't use
  BDB anymore.

  On FreeBSD, if you link against pthreads, then the main thread gets
  a 2 MB stack which cannot be overriden (it ignores "ulimit -s"):

    http://www.mail-archive.com/freebsd-hackers@freebsd.org/msg62445.html
  
  This is not enough for Nix.  For instance, the garbage collector can
  fail if there is a pathologically deep chain of references
  (http://hydra.nixos.org/build/556199).  2 MB is also not enough for
  many Nix expressions.
  
  Arguably the garbage collector shouldn't use recursion, because in
  NixOS unprivileged users can DOS the garbage collector by creating a
  sufficiently deeply nested chain of references.  But getting rid of
  recursion is a bit harder.
This commit is contained in:
Eelco Dolstra 2010-08-12 13:34:34 +00:00
parent 5f9aad44ca
commit 5c5ab2bc12
1 changed files with 0 additions and 3 deletions
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3
configure.ac
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@ -256,9 +256,6 @@ AC_SUBST(sqlite_include)
AC_SUBST(sqlite_bin) AC_SUBST(sqlite_bin)
AC_CHECK_LIB(pthread, pthread_mutex_init)
AC_ARG_ENABLE(init-state, AC_HELP_STRING([--disable-init-state], AC_ARG_ENABLE(init-state, AC_HELP_STRING([--disable-init-state],
[do not initialise DB etc. in `make install']), [do not initialise DB etc. in `make install']),
init_state=$enableval, init_state=yes) init_state=$enableval, init_state=yes)