configure

        ;;
esac
if test ".$ac_decision" = .; then
    echo "$0:Error: decision on $ac_decision_item failed" 1>&2
    exit 1
else
    if test ".$ac_decision_msg" = .; then
        ac_decision_msg="$ac_decision"
    fi
    cat >>confdefs.h <<_ACEOF
#define ${ac_decision_item} 1
_ACEOF

    { $as_echo "$as_me:${as_lineno-$LINENO}: result: decision on $ac_decision_item... $ac_decision_msg" >&5
$as_echo "decision on $ac_decision_item... $ac_decision_msg" >&6; }
fi

cat >>confdefs.h <<_ACEOF
#define $ac_decision 1
_ACEOF


useshmgetanon="0"
usemmapzero="0"
usemmapanon="0"

case $ac_decision in
    USE_SHMEM_SHMGET_ANON )
        useshmgetanon="1"
        ;;
    USE_SHMEM_MMAP_ZERO )
        usemmapzero="1"
        ;;
    USE_SHMEM_MMAP_ANON )
        usemmapanon="1"
        ;;
esac








# Now we determine which one is our name-based shmem preference.
havemmaptmp="0"
havemmapshm="0"
haveshmget="0"
havebeosarea="0"
haveos2shm="0"
havewin32shm="0"
ac_decision_item='namebased memory allocation method'
ac_decision_msg='FAILED'
ac_decision=''

ac_rc=yes
for ac_spec in header:sys/mman.h func:mmap func:munmap; do
    ac_type=`echo "$ac_spec" | sed -e 's/:.*$//'`
    ac_item=`echo "$ac_spec" | sed -e 's/^.*://'`
    case $ac_type in
        header )
            ac_item=`echo "$ac_item" | sed 'y%./+-%__p_%'`
            ac_var="ac_cv_header_$ac_item"
            ;;
        file )
            ac_item=`echo "$ac_item" | sed 'y%./+-%__p_%'`
            ac_var="ac_cv_file_$ac_item"
            ;;
        func )   ac_var="ac_cv_func_$ac_item"   ;;
        struct ) ac_var="ac_cv_struct_$ac_item" ;;
        define ) ac_var="ac_cv_define_$ac_item" ;;
        custom ) ac_var="$ac_item" ;;
    esac
    eval "ac_val=\$$ac_var"
    if test ".$ac_val" != .yes; then
        ac_rc=no
        break
    fi
done
if test ".$ac_rc" = .yes; then
    :
    havemmaptmp="1"

ac_decision='USE_SHMEM_MMAP_TMP'
ac_decision_msg='Classical mmap() on temporary file'
ac_decision_USE_SHMEM_MMAP_TMP=yes
ac_decision_USE_SHMEM_MMAP_TMP_msg='Classical mmap() on temporary file'

else
    :

fi

ac_rc=yes
for ac_spec in header:sys/mman.h func:mmap func:munmap func:shm_open              func:shm_unlink; do
    ac_type=`echo "$ac_spec" | sed -e 's/:.*$//'`
    ac_item=`echo "$ac_spec" | sed -e 's/^.*://'`
    case $ac_type in
        header )
            ac_item=`echo "$ac_item" | sed 'y%./+-%__p_%'`
            ac_var="ac_cv_header_$ac_item"
            ;;
        file )
            ac_item=`echo "$ac_item" | sed 'y%./+-%__p_%'`
            ac_var="ac_cv_file_$ac_item"
            ;;
        func )   ac_var="ac_cv_func_$ac_item"   ;;
        struct ) ac_var="ac_cv_struct_$ac_item" ;;
        define ) ac_var="ac_cv_define_$ac_item" ;;
        custom ) ac_var="$ac_item" ;;
    esac
    eval "ac_val=\$$ac_var"
    if test ".$ac_val" != .yes; then
        ac_rc=no
        break
    fi
done
if test ".$ac_rc" = .yes; then
    :
    havemmapshm="1"

ac_decision='USE_SHMEM_MMAP_SHM'
ac_decision_msg='mmap() via POSIX.1 shm_open() on temporary file'
ac_decision_USE_SHMEM_MMAP_SHM=yes
ac_decision_USE_SHMEM_MMAP_SHM_msg='mmap() via POSIX.1 shm_open() on temporary file'

else
    :

fi

ac_rc=yes
for ac_spec in header:sys/ipc.h header:sys/shm.h header:sys/file.h              func:shmget func:shmat func:shmdt func:shmctl; do
    ac_type=`echo "$ac_spec" | sed -e 's/:.*$//'`
    ac_item=`echo "$ac_spec" | sed -e 's/^.*://'`
    case $ac_type in
        header )
            ac_item=`echo "$ac_item" | sed 'y%./+-%__p_%'`
            ac_var="ac_cv_header_$ac_item"
            ;;
        file )
            ac_item=`echo "$ac_item" | sed 'y%./+-%__p_%'`
            ac_var="ac_cv_file_$ac_item"
            ;;
        func )   ac_var="ac_cv_func_$ac_item"   ;;
        struct ) ac_var="ac_cv_struct_$ac_item" ;;
        define ) ac_var="ac_cv_define_$ac_item" ;;
        custom ) ac_var="$ac_item" ;;
    esac
    eval "ac_val=\$$ac_var"
    if test ".$ac_val" != .yes; then
        ac_rc=no
        break
    fi
done
if test ".$ac_rc" = .yes; then
    :
    haveshmget="1"

ac_decision='USE_SHMEM_SHMGET'
ac_decision_msg='SysV IPC shmget()'
ac_decision_USE_SHMEM_SHMGET=yes
ac_decision_USE_SHMEM_SHMGET_msg='SysV IPC shmget()'

else
    :

fi

ac_rc=yes
for ac_spec in header:kernel/OS.h func:create_area; do
    ac_type=`echo "$ac_spec" | sed -e 's/:.*$//'`
    ac_item=`echo "$ac_spec" | sed -e 's/^.*://'`
    case $ac_type in
        header )
            ac_item=`echo "$ac_item" | sed 'y%./+-%__p_%'`
            ac_var="ac_cv_header_$ac_item"
            ;;
        file )
            ac_item=`echo "$ac_item" | sed 'y%./+-%__p_%'`
            ac_var="ac_cv_file_$ac_item"
            ;;
        func )   ac_var="ac_cv_func_$ac_item"   ;;
        struct ) ac_var="ac_cv_struct_$ac_item" ;;
        define ) ac_var="ac_cv_define_$ac_item" ;;
        custom ) ac_var="$ac_item" ;;
    esac
    eval "ac_val=\$$ac_var"
    if test ".$ac_val" != .yes; then
        ac_rc=no
        break
    fi
done
if test ".$ac_rc" = .yes; then
    :
    havebeosshm="1"

ac_decision='USE_SHMEM_BEOS'
ac_decision_msg='BeOS areas'
ac_decision_USE_SHMEM_BEOS=yes
ac_decision_USE_SHMEM_BEOS_msg='BeOS areas'

else
    :

fi

ac_rc=yes
for ac_spec in header:os2.h; do
    ac_type=`echo "$ac_spec" | sed -e 's/:.*$//'`
    ac_item=`echo "$ac_spec" | sed -e 's/^.*://'`
    case $ac_type in
        header )
            ac_item=`echo "$ac_item" | sed 'y%./+-%__p_%'`
            ac_var="ac_cv_header_$ac_item"
            ;;
        file )
            ac_item=`echo "$ac_item" | sed 'y%./+-%__p_%'`
            ac_var="ac_cv_file_$ac_item"
            ;;
        func )   ac_var="ac_cv_func_$ac_item"   ;;
        struct ) ac_var="ac_cv_struct_$ac_item" ;;
        define ) ac_var="ac_cv_define_$ac_item" ;;
        custom ) ac_var="$ac_item" ;;
    esac
    eval "ac_val=\$$ac_var"
    if test ".$ac_val" != .yes; then
        ac_rc=no
        break
    fi
done
if test ".$ac_rc" = .yes; then
    :
    haveos2shm="1"

ac_decision='USE_SHMEM_OS2'
ac_decision_msg='OS/2 DosAllocSharedMem()'
ac_decision_USE_SHMEM_OS2=yes
ac_decision_USE_SHMEM_OS2_msg='OS/2 DosAllocSharedMem()'

else
    :

fi

ac_rc=yes
for ac_spec in header:windows.h; do
    ac_type=`echo "$ac_spec" | sed -e 's/:.*$//'`
    ac_item=`echo "$ac_spec" | sed -e 's/^.*://'`
    case $ac_type in
        header )
            ac_item=`echo "$ac_item" | sed 'y%./+-%__p_%'`
            ac_var="ac_cv_header_$ac_item"
            ;;
        file )
            ac_item=`echo "$ac_item" | sed 'y%./+-%__p_%'`
            ac_var="ac_cv_file_$ac_item"
            ;;
        func )   ac_var="ac_cv_func_$ac_item"   ;;
        struct ) ac_var="ac_cv_struct_$ac_item" ;;
        define ) ac_var="ac_cv_define_$ac_item" ;;
        custom ) ac_var="$ac_item" ;;
    esac
    eval "ac_val=\$$ac_var"
    if test ".$ac_val" != .yes; then
        ac_rc=no
        break
    fi
done
if test ".$ac_rc" = .yes; then
    :
    havewin32shm="1"

ac_decision='USE_SHMEM_WIN32'
ac_decision_msg='Windows shared memory'
ac_decision_USE_SHMEM_WIN32=yes
ac_decision_USE_SHMEM_WIN32_msg='Windows shared memory'

else
    :

fi

# Check whether --enable-posix-shm was given.
if test "${enable_posix_shm+set}" = set; then :
  enableval=$enable_posix_shm;
if test "$havemmapshm" = "1"; then
      ac_decision=''
    for ac_item in USE_SHMEM_MMAP_SHM; do
         eval "ac_decision_this=\$ac_decision_${ac_item}"
         if test ".$ac_decision_this" = .yes; then
             ac_decision=$ac_item
             eval "ac_decision_msg=\$ac_decision_${ac_item}_msg"
         fi
    done

fi

fi

case $host in
    *linux* )
        # Linux pre-2.4 had problems with MM_SHMT_MMANON even though
        # it reports that it has it.
        if test $os_pre24linux -eq 1; then
                ac_decision=''
    for ac_item in USE_SHMEM_MMAP_TMP USE_SHMEM_MMAP_SHM                                   USE_SHMEM_SHMGET; do
         eval "ac_decision_this=\$ac_decision_${ac_item}"
         if test ".$ac_decision_this" = .yes; then
             ac_decision=$ac_item
             eval "ac_decision_msg=\$ac_decision_${ac_item}_msg"
         fi
    done

        fi
        ;;
esac
if test ".$ac_decision" = .; then
    echo "$0:Error: decision on $ac_decision_item failed" 1>&2
    exit 1
else
    if test ".$ac_decision_msg" = .; then
        ac_decision_msg="$ac_decision"
    fi
    cat >>confdefs.h <<_ACEOF
#define ${ac_decision_item} 1
_ACEOF

    { $as_echo "$as_me:${as_lineno-$LINENO}: result: decision on $ac_decision_item... $ac_decision_msg" >&5
$as_echo "decision on $ac_decision_item... $ac_decision_msg" >&6; }
fi

cat >>confdefs.h <<_ACEOF
#define $ac_decision 1
_ACEOF


usemmaptmp="0"
usemmapshm="0"
useshmget="0"
usebeosarea="0"
useos2shm="0"
usewin32shm="0"

case $ac_decision in
    USE_SHMEM_MMAP_TMP )
        usemmaptmp="1"
        ;;
    USE_SHMEM_MMAP_SHM )
        usemmapshm="1"
        ;;
    USE_SHMEM_SHMGET )
        useshmget="1"
        ;;
    USE_SHMEM_BEOS )
        usebeosarea="1"
        ;;
    USE_SHMEM_OS2 )
        useos2shm="1"
        ;;
    USE_SHMEM_WIN32 )
        usewin32shm="1"
        ;;
esac

# Do we have any shared memory support?
if test "$usemmaptmp$usemmapshm$usemmapzero$useshmget$usemmapanon$usebeosarea$useos2shm$usewin32shm" = "00000000"; then
  sharedmem="0"
else
  sharedmem="1"
fi
















ac_fn_c_check_type "$LINENO" "size_t" "ac_cv_type_size_t" "$ac_includes_default"
if test "x$ac_cv_type_size_t" = xyes; then :

else

cat >>confdefs.h <<_ACEOF
#define size_t unsigned int
_ACEOF

fi

# The Ultrix 4.2 mips builtin alloca declared by alloca.h only works
# for constant arguments.  Useless!
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for working alloca.h" >&5
$as_echo_n "checking for working alloca.h... " >&6; }
if ${ac_cv_working_alloca_h+:} false; then :
  $as_echo_n "(cached) " >&6
else
  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
/* end confdefs.h.  */
#include <alloca.h>
int
main ()
{
char *p = (char *) alloca (2 * sizeof (int));
			  if (p) return 0;
  ;
  return 0;
}
_ACEOF
if ac_fn_c_try_link "$LINENO"; then :
  ac_cv_working_alloca_h=yes
else
  ac_cv_working_alloca_h=no
fi
rm -f core conftest.err conftest.$ac_objext \
    conftest$ac_exeext conftest.$ac_ext
fi
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_working_alloca_h" >&5
$as_echo "$ac_cv_working_alloca_h" >&6; }
if test $ac_cv_working_alloca_h = yes; then

$as_echo "#define HAVE_ALLOCA_H 1" >>confdefs.h

fi

{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for alloca" >&5
$as_echo_n "checking for alloca... " >&6; }
if ${ac_cv_func_alloca_works+:} false; then :
  $as_echo_n "(cached) " >&6
else
  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
/* end confdefs.h.  */
#ifdef __GNUC__
# define alloca __builtin_alloca
#else
# ifdef _MSC_VER
#  include <malloc.h>
#  define alloca _alloca
# else
#  ifdef HAVE_ALLOCA_H
#   include <alloca.h>
#  else
#   ifdef _AIX
 #pragma alloca
#   else
#    ifndef alloca /* predefined by HP cc +Olibcalls */
void *alloca (size_t);
#    endif
#   endif
#  endif
# endif
#endif

int
main ()
{
char *p = (char *) alloca (1);
				    if (p) return 0;
  ;
  return 0;
}
_ACEOF
if ac_fn_c_try_link "$LINENO"; then :
  ac_cv_func_alloca_works=yes
else
  ac_cv_func_alloca_works=no
fi
rm -f core conftest.err conftest.$ac_objext \
    conftest$ac_exeext conftest.$ac_ext
fi
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_func_alloca_works" >&5
$as_echo "$ac_cv_func_alloca_works" >&6; }

if test $ac_cv_func_alloca_works = yes; then

$as_echo "#define HAVE_ALLOCA 1" >>confdefs.h

else
  # The SVR3 libPW and SVR4 libucb both contain incompatible functions
# that cause trouble.  Some versions do not even contain alloca or
# contain a buggy version.  If you still want to use their alloca,
# use ar to extract alloca.o from them instead of compiling alloca.c.

ALLOCA=\${LIBOBJDIR}alloca.$ac_objext

$as_echo "#define C_ALLOCA 1" >>confdefs.h


{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether \`alloca.c' needs Cray hooks" >&5
$as_echo_n "checking whether \`alloca.c' needs Cray hooks... " >&6; }
if ${ac_cv_os_cray+:} false; then :
  $as_echo_n "(cached) " >&6
else
  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
/* end confdefs.h.  */
#if defined CRAY && ! defined CRAY2
webecray
#else
wenotbecray
#endif

_ACEOF
if (eval "$ac_cpp conftest.$ac_ext") 2>&5 |
  $EGREP "webecray" >/dev/null 2>&1; then :
  ac_cv_os_cray=yes
else
  ac_cv_os_cray=no
fi
rm -f conftest*

fi
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_os_cray" >&5
$as_echo "$ac_cv_os_cray" >&6; }
if test $ac_cv_os_cray = yes; then
  for ac_func in _getb67 GETB67 getb67; do
    as_ac_var=`$as_echo "ac_cv_func_$ac_func" | $as_tr_sh`
ac_fn_c_check_func "$LINENO" "$ac_func" "$as_ac_var"
if eval test \"x\$"$as_ac_var"\" = x"yes"; then :

cat >>confdefs.h <<_ACEOF
#define CRAY_STACKSEG_END $ac_func
_ACEOF

    break
fi

  done
fi

{ $as_echo "$as_me:${as_lineno-$LINENO}: checking stack direction for C alloca" >&5
$as_echo_n "checking stack direction for C alloca... " >&6; }
if ${ac_cv_c_stack_direction+:} false; then :
  $as_echo_n "(cached) " >&6
else
  if test "$cross_compiling" = yes; then :
  ac_cv_c_stack_direction=0
else
  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
/* end confdefs.h.  */
$ac_includes_default
int
find_stack_direction (int *addr, int depth)
{
  int dir, dummy = 0;
  if (! addr)
    addr = &dummy;
  *addr = addr < &dummy ? 1 : addr == &dummy ? 0 : -1;
  dir = depth ? find_stack_direction (addr, depth - 1) : 0;
  return dir + dummy;
}

int
main (int argc, char **argv)
{
  return find_stack_direction (0, argc + !argv + 20) < 0;
}
_ACEOF
if ac_fn_c_try_run "$LINENO"; then :
  ac_cv_c_stack_direction=1
else
  ac_cv_c_stack_direction=-1
fi
rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext \
  conftest.$ac_objext conftest.beam conftest.$ac_ext
fi

fi
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_c_stack_direction" >&5
$as_echo "$ac_cv_c_stack_direction" >&6; }
cat >>confdefs.h <<_ACEOF
#define STACK_DIRECTION $ac_cv_c_stack_direction
_ACEOF


fi


for ac_func in calloc setsid isinf isnan \
                getenv putenv setenv unsetenv \
                writev getifaddrs utime utimes
do :
  as_ac_var=`$as_echo "ac_cv_func_$ac_func" | $as_tr_sh`
ac_fn_c_check_func "$LINENO" "$ac_func" "$as_ac_var"
if eval test \"x\$"$as_ac_var"\" = x"yes"; then :
  cat >>confdefs.h <<_ACEOF
#define `$as_echo "HAVE_$ac_func" | $as_tr_cpp` 1
_ACEOF

fi
done

for ac_func in setrlimit
do :
  ac_fn_c_check_func "$LINENO" "setrlimit" "ac_cv_func_setrlimit"
if test "x$ac_cv_func_setrlimit" = xyes; then :
  cat >>confdefs.h <<_ACEOF
#define HAVE_SETRLIMIT 1
_ACEOF
  have_setrlimit="1"
else
   have_setrlimit="0"
fi
done

for ac_func in getrlimit
do :
  ac_fn_c_check_func "$LINENO" "getrlimit" "ac_cv_func_getrlimit"
if test "x$ac_cv_func_getrlimit" = xyes; then :
  cat >>confdefs.h <<_ACEOF
#define HAVE_GETRLIMIT 1
_ACEOF
  have_getrlimit="1"
else
   have_getrlimit="0"
fi
done

sendfile="0"
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for sendfilev in -lsendfile" >&5
$as_echo_n "checking for sendfilev in -lsendfile... " >&6; }
if ${ac_cv_lib_sendfile_sendfilev+:} false; then :
  $as_echo_n "(cached) " >&6
else
  ac_check_lib_save_LIBS=$LIBS
LIBS="-lsendfile  $LIBS"
cat confdefs.h - <<_ACEOF >conftest.$ac_ext
/* end confdefs.h.  */

/* Override any GCC internal prototype to avoid an error.
   Use char because int might match the return type of a GCC
   builtin and then its argument prototype would still apply.  */
#ifdef __cplusplus
extern "C"
#endif
char sendfilev ();
int
main ()
{
return sendfilev ();
  ;
  return 0;
}
_ACEOF
if ac_fn_c_try_link "$LINENO"; then :
  ac_cv_lib_sendfile_sendfilev=yes
else
  ac_cv_lib_sendfile_sendfilev=no
fi
rm -f core conftest.err conftest.$ac_objext \
    conftest$ac_exeext conftest.$ac_ext
LIBS=$ac_check_lib_save_LIBS
fi
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_sendfile_sendfilev" >&5
$as_echo "$ac_cv_lib_sendfile_sendfilev" >&6; }
if test "x$ac_cv_lib_sendfile_sendfilev" = xyes; then :
  cat >>confdefs.h <<_ACEOF
#define HAVE_LIBSENDFILE 1
_ACEOF

  LIBS="-lsendfile $LIBS"

fi

for ac_func in sendfile send_file sendfilev
do :
  as_ac_var=`$as_echo "ac_cv_func_$ac_func" | $as_tr_sh`
ac_fn_c_check_func "$LINENO" "$ac_func" "$as_ac_var"
if eval test \"x\$"$as_ac_var"\" = x"yes"; then :
  cat >>confdefs.h <<_ACEOF
#define `$as_echo "HAVE_$ac_func" | $as_tr_cpp` 1
_ACEOF
  sendfile="1"
fi
done




# Check whether --with-sendfile was given.
if test "${with_sendfile+set}" = set; then :
  withval=$with_sendfile;  if test "$withval" = "yes"; then
        sendfile="1"
    else
        sendfile="0"
    fi
else

    orig_sendfile=$sendfile
    case $host in
        *freebsd*)
            # FreeBSD < 4.2 has issues with threads+sendfile
            if test $os_version -le "401999"; then
                if test "$threads" = "1"; then
                    sendfile="0"
                fi
            fi
            ;;
        *alpha*-dec-osf* )
            sendfile="0"
            ;;
        s390-*-linux-gnu)
            # disable sendfile support for 2.2 on S/390
            if test $os_pre24linux -eq 1; then
                { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: Disabled sendfile support for Linux 2.2 on S/390" >&5
$as_echo "$as_me: WARNING: Disabled sendfile support for Linux 2.2 on S/390" >&2;}
                sendfile="0"
            fi
            ;;
        *aix*)
            # compiler-independent check for 64-bit build
            # The cast to long int works around a bug in the HP C Compiler
# version HP92453-01 B.11.11.23709.GP, which incorrectly rejects
# declarations like `int a3[[(sizeof (unsigned char)) >= 0]];'.
# This bug is HP SR number 8606223364.
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking size of void*" >&5
$as_echo_n "checking size of void*... " >&6; }
if ${ac_cv_sizeof_voidp+:} false; then :
  $as_echo_n "(cached) " >&6
else
  if ac_fn_c_compute_int "$LINENO" "(long int) (sizeof (void*))" "ac_cv_sizeof_voidp"        "$ac_includes_default"; then :

else
  if test "$ac_cv_type_voidp" = yes; then
     { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
$as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
as_fn_error 77 "cannot compute sizeof (void*)
See \`config.log' for more details" "$LINENO" 5; }
   else
     ac_cv_sizeof_voidp=0
   fi
fi

fi
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_sizeof_voidp" >&5
$as_echo "$ac_cv_sizeof_voidp" >&6; }



cat >>confdefs.h <<_ACEOF
#define SIZEOF_VOIDP $ac_cv_sizeof_voidp
_ACEOF


            if test "x$ac_cv_sizeof_voidp" = "x8"; then
                # sendfile not working for 64-bit build
                sendfile="0"
            fi
            ;;
    esac
    if test "$orig_sendfile" != "$sendfile"; then
      echo "sendfile support disabled to avoid system problem"
    fi
fi



for ac_func in sigaction
do :
  ac_fn_c_check_func "$LINENO" "sigaction" "ac_cv_func_sigaction"
if test "x$ac_cv_func_sigaction" = xyes; then :
  cat >>confdefs.h <<_ACEOF
#define HAVE_SIGACTION 1
_ACEOF
  have_sigaction="1"
else
   have_sigaction="0"
fi
done

ac_fn_c_check_decl "$LINENO" "sys_siglist" "ac_cv_have_decl_sys_siglist" "#include <signal.h>
/* NetBSD declares sys_siglist in unistd.h.  */
#ifdef HAVE_UNISTD_H
# include <unistd.h>
#endif

"
if test "x$ac_cv_have_decl_sys_siglist" = xyes; then :
  ac_have_decl=1
else
  ac_have_decl=0
fi

cat >>confdefs.h <<_ACEOF
#define HAVE_DECL_SYS_SIGLIST $ac_have_decl
_ACEOF



for ac_func in fork
do :
  ac_fn_c_check_func "$LINENO" "fork" "ac_cv_func_fork"
if test "x$ac_cv_func_fork" = xyes; then :
  cat >>confdefs.h <<_ACEOF
#define HAVE_FORK 1
_ACEOF
  fork="1"
else
   fork="0"
fi
done


{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for inet_addr" >&5
$as_echo_n "checking for inet_addr... " >&6; }
if ${ac_cv_func_inet_addr+:} false; then :
  $as_echo_n "(cached) " >&6
else

cat confdefs.h - <<_ACEOF >conftest.$ac_ext
/* end confdefs.h.  */

#ifdef HAVE_SYS_TYPES_H
#include <sys/types.h>
#endif
#ifdef HAVE_ARPA_INET_H
#include <arpa/inet.h>
#endif

int
main ()
{

inet_addr("127.0.0.1");

  ;
  return 0;
}
_ACEOF
if ac_fn_c_try_compile "$LINENO"; then :

    ac_cv_func_inet_addr=yes

else

    ac_cv_func_inet_addr=no

fi
rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext

fi
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_func_inet_addr" >&5
$as_echo "$ac_cv_func_inet_addr" >&6; }

if test "$ac_cv_func_inet_addr" = "yes"; then
  have_inet_addr=1
else
  have_inet_addr=0
fi


{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for inet_network" >&5
$as_echo_n "checking for inet_network... " >&6; }
if ${ac_cv_func_inet_network+:} false; then :
  $as_echo_n "(cached) " >&6
else

cat confdefs.h - <<_ACEOF >conftest.$ac_ext
/* end confdefs.h.  */

#ifdef HAVE_SYS_TYPES_H
#include <sys/types.h>
#endif
#ifdef HAVE_ARPA_INET_H
#include <arpa/inet.h>
#endif

int
main ()
{

inet_network("127.0.0.1");

  ;
  return 0;
}
_ACEOF
if ac_fn_c_try_compile "$LINENO"; then :

    ac_cv_func_inet_network=yes

else

    ac_cv_func_inet_network=no

fi
rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext

fi
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_func_inet_network" >&5
$as_echo "$ac_cv_func_inet_network" >&6; }

if test "$ac_cv_func_inet_network" = "yes"; then
  have_inet_network=1
else
  have_inet_network=0
fi


ac_fn_c_check_func "$LINENO" "_getch" "ac_cv_func__getch"
if test "x$ac_cv_func__getch" = xyes; then :

fi

for ac_func in strerror_r
do :
  ac_fn_c_check_func "$LINENO" "strerror_r" "ac_cv_func_strerror_r"
if test "x$ac_cv_func_strerror_r" = xyes; then :
  cat >>confdefs.h <<_ACEOF
#define HAVE_STRERROR_R 1
_ACEOF
  strerror_r="1"
else
   strerror_r="0"
fi
done

if test "$strerror_r" = "1"; then

{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for type of return code from strerror_r" >&5
$as_echo_n "checking for type of return code from strerror_r... " >&6; }
if test "$cross_compiling" = yes; then :

    ac_cv_strerror_r_rc_int=no
else
  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
/* end confdefs.h.  */

#include <errno.h>
#include <string.h>
#include <stdio.h>
main()
{
  char buf[1024];
  if (strerror_r(ERANGE, buf, sizeof buf) < 1) {
    exit(0);
  }
  else {
    exit(1);
  }
}
_ACEOF
if ac_fn_c_try_run "$LINENO"; then :

    ac_cv_strerror_r_rc_int=yes
else

    ac_cv_strerror_r_rc_int=no
fi
rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext \
  conftest.$ac_objext conftest.beam conftest.$ac_ext
fi

if test "x$ac_cv_strerror_r_rc_int" = xyes; then

$as_echo "#define STRERROR_R_RC_INT 1" >>confdefs.h

  msg="int"
else
  msg="pointer"
fi
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $msg" >&5
$as_echo "$msg" >&6; }

fi
for ac_func in mmap
do :
  ac_fn_c_check_func "$LINENO" "mmap" "ac_cv_func_mmap"
if test "x$ac_cv_func_mmap" = xyes; then :
  cat >>confdefs.h <<_ACEOF
#define HAVE_MMAP 1
_ACEOF
  mmap="1"
else
   mmap="0"
fi
done

if test "$native_mmap_emul" = "1"; then
    mmap="1"
fi
for ac_func in memmove
do :
  ac_fn_c_check_func "$LINENO" "memmove" "ac_cv_func_memmove"
if test "x$ac_cv_func_memmove" = xyes; then :
  cat >>confdefs.h <<_ACEOF
#define HAVE_MEMMOVE 1
_ACEOF
  have_memmove="1"
else
  have_memmove="0"