dnl Copyright (C) 2006-2012  CEA/DEN, EDF R&D
dnl
dnl This library is free software; you can redistribute it and/or
dnl modify it under the terms of the GNU Lesser General Public
dnl License as published by the Free Software Foundation; either
dnl version 2.1 of the License.
dnl
dnl This library is distributed in the hope that it will be useful,
dnl but WITHOUT ANY WARRANTY; without even the implied warranty of
dnl MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
dnl Lesser General Public License for more details.
dnl
dnl You should have received a copy of the GNU Lesser General Public
dnl License along with this library; if not, write to the Free Software
dnl Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
dnl
dnl See http://www.salome-platform.org/ or email : webmaster.salome@opencascade.com
dnl

#@synonpsis CHECK_PTHREADS
dnl  check for pthreads system interfaces.
dnl  set CFLAGS_PTHREADS,  CXXFLAGS_PTHREADS and LIBS_PTHREADS to
dnl  flags to compiler flags for multithread program compilation (if exists),
dnl  and library, if one required.
dnl
dnl@author   (C) Ruslan Shevchenko <Ruslan@Shevchenko.Kiev.UA>, 1998
dnl@id $Id$
dnl ----------------------------------------------------------------
dnl CHECK_PTHREADS
AC_DEFUN(CHECK_PTHREADS,[
AC_REQUIRE([AC_CANONICAL_SYSTEM])dnl
AC_CHECK_HEADER(pthread.h,AC_DEFINE(HAVE_PTHREAD_H))
AC_CHECK_LIB(posix4,nanosleep, LIBS_PTHREADS="-lposix4",LIBS_PTHREADS="")
AC_CHECK_LIB(pthread,pthread_mutex_lock, 
             LIBS_PTHREADS="-lpthread $LIBS_PTHREADS")
AC_MSG_CHECKING([parameters for using pthreads])
case $build_os in
  freebsd*)
    CFLAGS_PTHREADS="-pthread"
    CXXFLAGS_PTHREADS="-pthread"
    ;;
  *)
    ;;
esac
AC_MSG_RESULT(["flags: $CFLAGS_PTHREADS\;libs: $LIBS_PTHREADS"])
threads_ok=yes
])dnl
dnl
dnl