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 *-*-freebsd[[56789]]*)
  33         native_pthread_support=yes
  34         PTHREADS_LIBADD="-lpthread"
  35         ;;
  36 *-*-openbsd*)
  37         native_pthread_support=yes
  38         PTHREADS_CFLAGS=-pthread
  39         PTHREADS_LIBS=-pthread
  40         ;;
  41 *-*-linux* | *-*-linux-gnu)
  42         case `uname -r` in
  43         2.*)
  44                 native_pthread_support=yes
  45                 PTHREADS_CFLAGS=-pthread
  46                 PTHREADS_LIBS=-pthread
  47                 ;;
  48         esac
  49         ;;
  50 *-*-kfreebsd*-gnu*)
  51         native_pthread_support=yes
  52         PTHREADS_CFLAGS=-pthread
  53         PTHREADS_LIBS=-pthread
  54         ;;
  55 *-*-aix*)
  56         dnl AIX is disabled since we don't handle the utmp/utmpx
  57         dnl problems that aix causes when compiling with pthread support
  58         native_pthread_support=no
  59         ;;
  60 mips-sgi-irix6.[[5-9]])  # maybe works for earlier versions too
  61         native_pthread_support=yes
  62         PTHREADS_LIBS="-lpthread"
  63         ;;
  64 *-*-darwin*)
  65         native_pthread_support=yes
  66         ;;
  67 *)
  68         native_pthread_support=no
  69         ;;
  70 esac
  71
  72 if test "$enable_pthread_support" = maybe ; then
  73         enable_pthread_support="$native_pthread_support"
  74 fi
  75
  76 if test "$enable_pthread_support" != no; then
  77     AC_DEFINE(ENABLE_PTHREAD_SUPPORT, 1,
  78         [Define if you want have a thread safe libraries])
  79     dnl This sucks, but libtool doesn't save the depenecy on -pthread
  80     dnl for libraries.
  81     LIBS="$PTHREADS_LIBS $LIBS"
  82 else
  83   PTHREADS_CFLAGS=""
  84   PTHREADS_LIBS=""
  85   PTHREADS_LIBADD=""
  86 fi
  87
  88 AC_SUBST(PTHREADS_CFLAGS)
  89 AC_SUBST(PTHREADS_LIBADD)
  90 AC_SUBST(PTHREADS_LIBS)
  91
  92 AC_MSG_RESULT($enable_pthread_support)
  93 ])