cf/pthreads.m4

   1 Dnl $Id$
   2
   3 AC_DEFUN([KRB_PTHREADS], [
   4 AC_MSG_CHECKING(if compiling threadsafe libraries)
   5
   6 AC_ARG_ENABLE(pthread-support,
   7         AS_HELP_STRING([--enable-pthread-support],
   8                         [if you want thread safe libraries]),
   9         [],[enable_pthread_support=maybe])
  10
  11 case "$host" in
  12 *-*-solaris2*)
  13         native_pthread_support=yes
  14         if test "$GCC" = yes; then
  15                 PTHREADS_CFLAGS=-pthreads
  16                 PTHREADS_LIBS=-pthreads
  17         else
  18                 PTHREADS_CFLAGS=-mt
  19                 PTHREADS_LIBS=-mt
  20         fi
  21         ;;
  22 *-*-netbsd[12]*)
  23         native_pthread_support="if running netbsd 1.6T or newer"
  24         dnl heim_threads.h knows this
  25         PTHREADS_LIBS="-lpthread"
  26         ;;
  27 *-*-netbsd[3456789]*)
  28         native_pthread_support="netbsd 3 uses explict pthread"
  29         dnl heim_threads.h knows this
  30         PTHREADS_LIBS="-lpthread"
  31         ;;
  32 *-*-freebsd5*)
  33         native_pthread_support=yes
  34         ;;
  35 *-*-openbsd*)
  36         native_pthread_support=yes
  37         PTHREADS_CFLAGS=-pthread
  38         PTHREADS_LIBS=-pthread
  39         ;;
  40 *-*-linux* | *-*-linux-gnu)
  41         case `uname -r` in
  42         2.*)
  43                 native_pthread_support=yes
  44                 PTHREADS_CFLAGS=-pthread
  45                 PTHREADS_LIBS=-pthread
  46                 ;;
  47         esac
  48         ;;
  49 *-*-kfreebsd*-gnu*)
  50         native_pthread_support=yes
  51         PTHREADS_CFLAGS=-pthread
  52         PTHREADS_LIBS=-pthread
  53         ;;
  54 *-*-aix*)
  55         dnl AIX is disabled since we don't handle the utmp/utmpx
  56         dnl problems that aix causes when compiling with pthread support
  57         native_pthread_support=no
  58         ;;
  59 mips-sgi-irix6.[[5-9]])  # maybe works for earlier versions too
  60         native_pthread_support=yes
  61         PTHREADS_LIBS="-lpthread"
  62         ;;
  63 *-*-darwin*)
  64         native_pthread_support=yes
  65         ;;
  66 *)
  67         native_pthread_support=no
  68         ;;
  69 esac
  70
  71 if test "$enable_pthread_support" = maybe ; then
  72         enable_pthread_support="$native_pthread_support"
  73 fi
  74
  75 if test "$enable_pthread_support" != no; then
  76     AC_DEFINE(ENABLE_PTHREAD_SUPPORT, 1,
  77         [Define if you want have a thread safe libraries])
  78     dnl This sucks, but libtool doesn't save the depenecy on -pthread
  79     dnl for libraries.
  80     LIBS="$PTHREADS_LIBS $LIBS"
  81 else
  82   PTHREADS_CFLAGS=""
  83   PTHREADS_LIBS=""
  84 fi
  85
  86 AC_SUBST(PTHREADS_CFLAGS)
  87 AC_SUBST(PTHREADS_LIBS)
  88
  89 AC_MSG_RESULT($enable_pthread_support)
  90 ])