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2994. [port] NetBSD: use pthreads by default on NetBSD >= 5.0, and

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do not use threads on earlier versions.  Also kill
                        the unproven-pthreads, mit-pthreads, and ptl2 support.
This commit is contained in:
Mark Andrews
2010-12-21 04:20:23 +00:00
parent e1f024416a
commit c2170a4bd0
3 changed files with 9 additions and 66 deletions
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60
config.threads.in
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@@ -33,15 +33,11 @@ case $host in
*-*-sysv*OpenUNIX*)
# UnixWare
use_threads=true ;;
*-netbsd[1234].*)
# NetBSD earlier than NetBSD 5.0 has poor pthreads. Don't use it by default.
use_threads=false ;;
*-netbsd*)
if test -r /usr/lib/libpthread.so ; then
use_threads=true
else
# Socket I/O optimizations introduced in 9.2 expose a
# bug in unproven-pthreads; see PR #12650
use_threads=false
fi
;;
use_threads=true ;;
*-openbsd*)
# OpenBSD users have reported that named dumps core on
# startup when built with threads.
@@ -92,54 +88,6 @@ then
# Search for / configure pthreads in a system-dependent fashion.
#
case "$host" in
*-netbsd*)
# NetBSD has multiple pthreads implementations. The
# recommended one to use is "unproven-pthreads". The
# older "mit-pthreads" may also work on some NetBSD
# versions. The PTL2 thread library does not
# currently work with bind9, but can be chosen with
# the --with-ptl2 option for those who wish to
# experiment with it.
CC="gcc"
AC_MSG_CHECKING(which NetBSD thread library to use)
AC_ARG_WITH(ptl2,
[ --with-ptl2 on NetBSD, use the ptl2 thread library (experimental)],
use_ptl2="$withval", use_ptl2="no")
: ${LOCALBASE:=/usr/pkg}
if test "X$use_ptl2" = "Xyes"
then
AC_MSG_RESULT(PTL2)
AC_MSG_WARN(
[linking with PTL2 is highly experimental and not expected to work])
CC=ptlgcc
else
if test -r /usr/lib/libpthread.so
then
AC_MSG_RESULT(native)
LIBS="-lpthread $LIBS"
else
if test ! -d $LOCALBASE/pthreads
then
AC_MSG_RESULT(none)
AC_MSG_ERROR("could not find thread libraries")
fi
if $use_threads
then
AC_MSG_RESULT(mit-pthreads/unproven-pthreads)
pkg="$LOCALBASE/pthreads"
lib1="-L$pkg/lib -Wl,-R$pkg/lib"
lib2="-lpthread -lm -lgcc -lpthread"
LIBS="$lib1 $lib2 $LIBS"
CPPFLAGS="$CPPFLAGS -I$pkg/include"
STD_CINCLUDES="$STD_CINCLUDES -I$pkg/include"
fi
fi
fi
;;
*-freebsd*)
# We don't want to set -lpthread as that break
# the ability to choose threads library at final