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                 PTHREAD_CFLAGS=-pthreads
  16                 PTHREAD_LIBADD=-pthreads
  17         else
  18                 PTHREAD_CFLAGS=-mt
  19                 PTHREAD_LDADD=-mt
  20                 PTHREAD_LIBADD=-mt
  21         fi
  22         ;;
  23 *-*-netbsd[[12]]*)
  24         native_pthread_support="if running netbsd 1.6T or newer"
  25         dnl heim_threads.h knows this
  26         PTHREAD_LIBADD="-lpthread"
  27         ;;
  28 *-*-netbsd[[3456789]]*)
  29         native_pthread_support="netbsd 3 uses explict pthread"
  30         dnl heim_threads.h knows this
  31         PTHREAD_LIBADD="-lpthread"
  32         ;;
  33 *-*-freebsd[[56789]]*)
  34         native_pthread_support=yes
  35         PTHREAD_LIBADD="-pthread"
  36         ;;
  37 *-*-openbsd*)
  38         native_pthread_support=yes
  39         PTHREAD_CFLAGS=-pthread
  40         PTHREAD_LIBADD=-pthread
  41         ;;
  42 *-*-linux* | *-*-linux-gnu)
  43         case `uname -r` in
  44         2.*)
  45                 native_pthread_support=yes
  46                 PTHREAD_CFLAGS=-pthread
  47                 PTHREAD_LIBADD=-pthread
  48                 ;;
  49         esac
  50         ;;
  51 *-*-kfreebsd*-gnu*)
  52         native_pthread_support=yes
  53         PTHREAD_CFLAGS=-pthread
  54         PTHREAD_LIBADD=-pthread
  55         ;;
  56 *-*-aix*)
  57         dnl AIX is disabled since we don't handle the utmp/utmpx
  58         dnl problems that aix causes when compiling with pthread support
  59         native_pthread_support=no
  60         ;;
  61 mips-sgi-irix6.[[5-9]])  # maybe works for earlier versions too
  62         native_pthread_support=yes
  63         PTHREAD_LIBADD="-lpthread"
  64         ;;
  65 *-*-darwin*)
  66         native_pthread_support=yes
  67         ;;
  68 *)
  69         native_pthread_support=no
  70         ;;
  71 esac
  72
  73 if test "$enable_pthread_support" = maybe ; then
  74         enable_pthread_support="$native_pthread_support"
  75 fi
  76
  77 if test "$enable_pthread_support" != no; then
  78     AC_DEFINE(ENABLE_PTHREAD_SUPPORT, 1,
  79         [Define if you want have a thread safe libraries])
  80     dnl This sucks, but libtool doesn't save the depenecy on -pthread
  81     dnl for libraries.
  82     LIBS="$PTHREAD_LIBADD $LIBS"
  83 else
  84   PTHREAD_CFLAGS=""
  85   PTHREAD_LIBADD=""
  86 fi
  87
  88 AC_SUBST(PTHREAD_CFLAGS)
  89 AC_SUBST(PTHREAD_LDADD)
  90 AC_SUBST(PTHREAD_LIBADD)
  91
  92 AC_MSG_RESULT($enable_pthread_support)
  93 ])