configure

UUDeview是一个编码解码器

    eval $ff_name=
    eval ${ff_name}_dir=
    ff_file=
    ff_file_dir=
    for ff_dir in $tklibpath $TK_PREFIX $TK_EXEC_PREFIX $TK_SRC_DIR $have_tcl $have_tk $more_libs $base_libs $base_dirs ; do
	if test -f $ff_dir/$tklibfile ; then
	    ff_file_dir=$ff_dir
	    ff_file=$ff_dir/$tklibfile
	    break
	fi
	for ff_subdir in lib unix ; do
	    if test -f $ff_dir/$ff_subdir/$tklibfile ; then
		ff_file_dir=$ff_dir/$ff_subdir
		ff_file=$ff_dir/$ff_subdir/$tklibfile
		break
	    fi
	done
	if test "x$ff_file" != "x" ; then
	    break
	fi
    done
    eval ${ff_name}_dir="$ff_file_dir"
    eval $ff_name="$ff_file"

	if test "x$tk_lib_dir" = "x" ; then
		echo "$ac_t""not found" 1>&6
		echo "configure: warning: Tk parts disabled" 1>&2
		echo "configure: warning: use --enable-tk to locate $tklibfile" 1>&2
		have_tk="no"
	else
		echo "$ac_t""found in $tk_lib_dir" 1>&6
	fi
fi

#
# Tk setup complete
#

if test "x$have_tk" != "xno" ; then
	tklibflag=`eval echo $TK_LIB_FLAG`
	TCL_CPPFLAGS="-I$tk_h_dir $TK_XINCLUDES $TCL_CPPFLAGS"
	TCL_LDFLAGS="-L$tk_lib_dir $TCL_LDFLAGS"
	TCL_LIBS="$tklibflag $TCL_LIBS"
	cat >> confdefs.h <<\EOF
#define HAVE_TK 1
EOF

fi

#
# we might need various libraries if we decide to go for TCL/TK
#

echo $ac_n "checking for sin""... $ac_c" 1>&6
echo "configure:1439: checking for sin" >&5
if eval "test \"`echo '$''{'ac_cv_func_sin'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
else
  cat > conftest.$ac_ext <<EOF
#line 1444 "configure"
#include "confdefs.h"
/* System header to define __stub macros and hopefully few prototypes,
    which can conflict with char sin(); below.  */
#include <assert.h>
/* Override any gcc2 internal prototype to avoid an error.  */
/* We use char because int might match the return type of a gcc2
    builtin and then its argument prototype would still apply.  */
char sin();

int main() {

/* The GNU C library defines this for functions which it implements
    to always fail with ENOSYS.  Some functions are actually named
    something starting with __ and the normal name is an alias.  */
#if defined (__stub_sin) || defined (__stub___sin)
choke me
#else
sin();
#endif

; return 0; }
EOF
if { (eval echo configure:1467: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
  rm -rf conftest*
  eval "ac_cv_func_sin=yes"
else
  echo "configure: failed program was:" >&5
  cat conftest.$ac_ext >&5
  rm -rf conftest*
  eval "ac_cv_func_sin=no"
fi
rm -f conftest*
fi

if eval "test \"`echo '$ac_cv_func_'sin`\" = yes"; then
  echo "$ac_t""yes" 1>&6
  :
else
  echo "$ac_t""no" 1>&6
LIBS="$LIBS -lm"
fi


#
# these libs are needed for both TK and minews (from tk's configure.in)
# and in some cases -lsocket features gettimeofday, needed for TCL
#

tk_checkBoth=0
echo $ac_n "checking for connect""... $ac_c" 1>&6
echo "configure:1495: checking for connect" >&5
if eval "test \"`echo '$''{'ac_cv_func_connect'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
else
  cat > conftest.$ac_ext <<EOF
#line 1500 "configure"
#include "confdefs.h"
/* System header to define __stub macros and hopefully few prototypes,
    which can conflict with char connect(); below.  */
#include <assert.h>
/* Override any gcc2 internal prototype to avoid an error.  */
/* We use char because int might match the return type of a gcc2
    builtin and then its argument prototype would still apply.  */
char connect();

int main() {

/* The GNU C library defines this for functions which it implements
    to always fail with ENOSYS.  Some functions are actually named
    something starting with __ and the normal name is an alias.  */
#if defined (__stub_connect) || defined (__stub___connect)
choke me
#else
connect();
#endif

; return 0; }
EOF
if { (eval echo configure:1523: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
  rm -rf conftest*
  eval "ac_cv_func_connect=yes"
else
  echo "configure: failed program was:" >&5
  cat conftest.$ac_ext >&5
  rm -rf conftest*
  eval "ac_cv_func_connect=no"
fi
rm -f conftest*
fi

if eval "test \"`echo '$ac_cv_func_'connect`\" = yes"; then
  echo "$ac_t""yes" 1>&6
  tk_checkSocket=0
else
  echo "$ac_t""no" 1>&6
tk_checkSocket=1
fi

if test "$tk_checkSocket" = 1; then
    echo $ac_n "checking for connect in -lsocket""... $ac_c" 1>&6
echo "configure:1545: checking for connect in -lsocket" >&5
ac_lib_var=`echo socket'_'connect | sed 'y%./+-%__p_%'`
if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
else
  ac_save_LIBS="$LIBS"
LIBS="-lsocket  $LIBS"
cat > conftest.$ac_ext <<EOF
#line 1553 "configure"
#include "confdefs.h"
/* Override any gcc2 internal prototype to avoid an error.  */
/* We use char because int might match the return type of a gcc2
    builtin and then its argument prototype would still apply.  */
char connect();

int main() {
connect()
; return 0; }
EOF
if { (eval echo configure:1564: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
  rm -rf conftest*
  eval "ac_cv_lib_$ac_lib_var=yes"
else
  echo "configure: failed program was:" >&5
  cat conftest.$ac_ext >&5
  rm -rf conftest*
  eval "ac_cv_lib_$ac_lib_var=no"
fi
rm -f conftest*
LIBS="$ac_save_LIBS"

fi
if eval "test \"`echo '$ac_cv_lib_'$ac_lib_var`\" = yes"; then
  echo "$ac_t""yes" 1>&6
  LIBS="$LIBS -lsocket"
else
  echo "$ac_t""no" 1>&6
tk_checkBoth=1
fi

fi
if test "$tk_checkBoth" = 1; then
    tk_oldLibs=$LIBS
    LIBS="$LIBS -lsocket -lnsl"
    echo $ac_n "checking for accept""... $ac_c" 1>&6
echo "configure:1590: checking for accept" >&5
if eval "test \"`echo '$''{'ac_cv_func_accept'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
else
  cat > conftest.$ac_ext <<EOF
#line 1595 "configure"
#include "confdefs.h"
/* System header to define __stub macros and hopefully few prototypes,
    which can conflict with char accept(); below.  */
#include <assert.h>
/* Override any gcc2 internal prototype to avoid an error.  */
/* We use char because int might match the return type of a gcc2
    builtin and then its argument prototype would still apply.  */
char accept();

int main() {

/* The GNU C library defines this for functions which it implements
    to always fail with ENOSYS.  Some functions are actually named
    something starting with __ and the normal name is an alias.  */
#if defined (__stub_accept) || defined (__stub___accept)
choke me
#else
accept();
#endif

; return 0; }
EOF
if { (eval echo configure:1618: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
  rm -rf conftest*
  eval "ac_cv_func_accept=yes"
else
  echo "configure: failed program was:" >&5
  cat conftest.$ac_ext >&5
  rm -rf conftest*
  eval "ac_cv_func_accept=no"
fi
rm -f conftest*
fi

if eval "test \"`echo '$ac_cv_func_'accept`\" = yes"; then
  echo "$ac_t""yes" 1>&6
  tk_checkNsl=0
else
  echo "$ac_t""no" 1>&6
LIBS=$tk_oldLibs
fi

fi
echo $ac_n "checking for gethostbyname""... $ac_c" 1>&6
echo "configure:1640: checking for gethostbyname" >&5
if eval "test \"`echo '$''{'ac_cv_func_gethostbyname'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
else
  cat > conftest.$ac_ext <<EOF
#line 1645 "configure"
#include "confdefs.h"
/* System header to define __stub macros and hopefully few prototypes,
    which can conflict with char gethostbyname(); below.  */
#include <assert.h>
/* Override any gcc2 internal prototype to avoid an error.  */
/* We use char because int might match the return type of a gcc2
    builtin and then its argument prototype would still apply.  */
char gethostbyname();

int main() {

/* The GNU C library defines this for functions which it implements
    to always fail with ENOSYS.  Some functions are actually named
    something starting with __ and the normal name is an alias.  */
#if defined (__stub_gethostbyname) || defined (__stub___gethostbyname)
choke me
#else
gethostbyname();
#endif

; return 0; }
EOF
if { (eval echo configure:1668: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
  rm -rf conftest*
  eval "ac_cv_func_gethostbyname=yes"
else
  echo "configure: failed program was:" >&5
  cat conftest.$ac_ext >&5
  rm -rf conftest*
  eval "ac_cv_func_gethostbyname=no"
fi
rm -f conftest*
fi

if eval "test \"`echo '$ac_cv_func_'gethostbyname`\" = yes"; then
  echo "$ac_t""yes" 1>&6
  :
else
  echo "$ac_t""no" 1>&6
echo $ac_n "checking for gethostbyname in -lnsl""... $ac_c" 1>&6
echo "configure:1686: checking for gethostbyname in -lnsl" >&5
ac_lib_var=`echo nsl'_'gethostbyname | sed 'y%./+-%__p_%'`
if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
else
  ac_save_LIBS="$LIBS"
LIBS="-lnsl  $LIBS"
cat > conftest.$ac_ext <<EOF
#line 1694 "configure"
#include "confdefs.h"
/* Override any gcc2 internal prototype to avoid an error.  */
/* We use char because int might match the return type of a gcc2
    builtin and then its argument prototype would still apply.  */
char gethostbyname();

int main() {
gethostbyname()
; return 0; }
EOF
if { (eval echo configure:1705: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
  rm -rf conftest*
  eval "ac_cv_lib_$ac_lib_var=yes"
else
  echo "configure: failed program was:" >&5
  cat conftest.$ac_ext >&5
  rm -rf conftest*
  eval "ac_cv_lib_$ac_lib_var=no"
fi
rm -f conftest*
LIBS="$ac_save_LIBS"

fi
if eval "test \"`echo '$ac_cv_lib_'$ac_lib_var`\" = yes"; then
  echo "$ac_t""yes" 1>&6
  LIBS="$LIBS -lnsl"
else
  echo "$ac_t""no" 1>&6
fi

fi


#
# Look for a mailing program to be used by uuenview
#

case "x$have_sendmail" in
xno*)
	MAILER=""
	;;
x|xyes*)
	# Extract the first word of "sendmail", so it can be a program name with args.
set dummy sendmail; ac_word=$2
echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
echo "configure:1740: checking for $ac_word" >&5
if eval "test \"`echo '$''{'ac_cv_path_MAILER'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
else
  case "$MAILER" in
  /*)
  ac_cv_path_MAILER="$MAILER" # Let the user override the test with a path.
  ;;
  ?:/*)			 
  ac_cv_path_MAILER="$MAILER" # Let the user override the test with a dos path.
  ;;
  *)
  IFS="${IFS= 	}"; ac_save_ifs="$IFS"; IFS=":"
  ac_dummy="$PATH:/sbin:/usr/lib:/usr/sbin:/usr/etc"
  for ac_dir in $ac_dummy; do 
    test -z "$ac_dir" && ac_dir=.
    if test -f $ac_dir/$ac_word; then
      ac_cv_path_MAILER="$ac_dir/$ac_word"
      break
    fi
  done
  IFS="$ac_save_ifs"
  ;;
esac
fi
MAILER="$ac_cv_path_MAILER"
if test -n "$MAILER"; then
  echo "$ac_t""$MAILER" 1>&6
else
  echo "$ac_t""no" 1>&6
fi

	if test "x$MAILER" = "x" ; then
	# Extract the first word of "mailx", so it can be a program name with args.
set dummy mailx; ac_word=$2
echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
echo "configure:1776: checking for $ac_word" >&5
if eval "test \"`echo '$''{'ac_cv_path_MAILER'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
else
  case "$MAILER" in
  /*)
  ac_cv_path_MAILER="$MAILER" # Let the user override the test with a path.
  ;;
  ?:/*)			 
  ac_cv_path_MAILER="$MAILER" # Let the user override the test with a dos path.
  ;;
  *)
  IFS="${IFS= 	}"; ac_save_ifs="$IFS"; IFS=":"
  ac_dummy="$PATH:/sbin:/usr/lib:/usr/sbin:/usr/etc"
  for ac_dir in $ac_dummy; do 
    test -z "$ac_dir" && ac_dir=.
    if test -f $ac_dir/$ac_word; then
      ac_cv_path_MAILER="$ac_dir/$ac_word"
      break
    fi
  done
  IFS="$ac_save_ifs"
  ;;
esac
fi
MAILER="$ac_cv_path_MAILER"
if test -n "$MAILER"; then
  echo "$ac_t""$MAILER" 1>&6
else
  echo "$ac_t""no" 1>&6
fi

	if test "x$MAILER" != "x" ; then
		cat >> confdefs.h <<\EOF
#define MAILER_NEEDS_SUBJECT 1
EOF
	# mailx wants -s "subject"
	else
	# Extract the first word of "elm", so it can be a program name with args.
set dummy elm; ac_word=$2
echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
echo "configure:1817: checking for $ac_word" >&5
if eval "test \"`echo '$''{'ac_cv_path_MAILER'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
else
  case "$MAILER" in
  /*)
  ac_cv_path_MAILER="$MAILER" # Let the user override the test with a path.
  ;;
  ?:/*)			 
  ac_cv_path_MAILER="$MAILER" # Let the user override the test with a dos path.
  ;;
  *)
  IFS="${IFS= 	}"; ac_save_ifs="$IFS"; IFS=":"
  ac_dummy="$PATH"
  for ac_dir in $ac_dummy; do 
    test -z "$ac_dir" && ac_dir=.
    if test -f $ac_dir/$ac_word; then
      ac_cv_path_MAILER="$ac_dir/$ac_word"
      break
    fi
  done
  IFS="$ac_save_ifs"
  ;;
esac
fi
MAILER="$ac_cv_path_MAILER"
if test -n "$MAILER"; then
  echo "$ac_t""$MAILER" 1>&6
else