adm_local_without_kernel/unix/config_files/DEPRECATED/check_pthreads.m4

   1 #@synonpsis CHECK_PTHREADS
   2 dnl  check for pthreads system interfaces.
   3 dnl  set CFLAGS_PTHREADS,  CXXFLAGS_PTHREADS and LIBS_PTHREADS to
   4 dnl  flags to compiler flags for multithread program compilation (if exists),
   5 dnl  and library, if one required.
   6 dnl
   7 dnl@author   (C) Ruslan Shevchenko <Ruslan@Shevchenko.Kiev.UA>, 1998
   8 dnl@id $Id$
   9 dnl ----------------------------------------------------------------
  10 dnl CHECK_PTHREADS
  11 AC_DEFUN([CHECK_PTHREADS],[
  12 AC_CXX_OPTION(-pthread,CPPFLAGS,flag=yes,flag=no)
  13
  14 if test $flag = no; then
  15   AC_REQUIRE([AC_CANONICAL_SYSTEM])dnl
  16   AC_CHECK_HEADER(pthread.h,AC_DEFINE(HAVE_PTHREAD_H))
  17   AC_CHECK_LIB(posix4,nanosleep, LIBS_PTHREADS="-lposix4",LIBS_PTHREADS="")
  18   AC_CHECK_LIB(pthread,pthread_mutex_lock,
  19                LIBS_PTHREADS="-lpthread $LIBS_PTHREADS",LIBS_PTHREADS="")
  20 else
  21     case $host_os in
  22       osf*)
  23         LIBS_PTHREADS="-lpthread $LIBS_PTHREADS"
  24         ;;
  25     esac
  26 fi
  27
  28 if test $flag = no && test x$LIBS_PTHREADS = x; then
  29   threads_ok=no
  30 else
  31   threads_ok=yes
  32 fi
  33 ])dnl
  34 dnl
  35 dnl