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-rw-r--r--config.h.dist1
-rw-r--r--config.h.in1
-rwxr-xr-xconfigure698
-rw-r--r--configure.ac1
4 files changed, 701 insertions, 0 deletions
diff --git a/config.h.dist b/config.h.dist
index 37aa804..4f31fea 100644
--- a/config.h.dist
+++ b/config.h.dist
@@ -138,6 +138,7 @@ INSTALL_W3MIMGDISPLAY=$(INSTALL_PROGRAM)
#undef USE_W3MIMG_FB
#undef USE_IMLIB
#undef USE_GDKPIXBUF
+#undef X_DISPLAY_MISSING
#undef USE_IMLIB2
#define USE_HELP_CGI
#undef USE_XFACE
diff --git a/config.h.in b/config.h.in
index e87d6ba..6bb0ee0 100644
--- a/config.h.in
+++ b/config.h.in
@@ -75,6 +75,7 @@
#undef USE_IMLIB
#undef USE_GDKPIXBUF
#undef USE_GTK2
+#undef X_DISPLAY_MISSING
#undef USE_IMLIB2
#undef USE_XFACE
#undef USE_DICT
diff --git a/configure b/configure
index c43bdcf..f5fc714 100755
--- a/configure
+++ b/configure
@@ -701,6 +701,11 @@ build_os
build_vendor
build_cpu
build
+X_EXTRA_LIBS
+X_LIBS
+X_PRE_LIBS
+X_CFLAGS
+XMKMF
MAN
NKF
PERL
@@ -767,6 +772,7 @@ SHELL'
ac_subst_files=''
ac_user_opts='
enable_option_checking
+with_x
enable_m17n
enable_unicode
enable_messagel10n
@@ -818,6 +824,7 @@ CCC
CC
CFLAGS
CPP
+XMKMF
PKG_CONFIG
PKG_CONFIG_PATH
PKG_CONFIG_LIBDIR
@@ -1422,6 +1429,10 @@ _ACEOF
cat <<\_ACEOF
+X features:
+ --x-includes=DIR X include files are in DIR
+ --x-libraries=DIR X library files are in DIR
+
System types:
--build=BUILD configure for building on BUILD [guessed]
--host=HOST cross-compile to build programs to run on HOST [BUILD]
@@ -1471,6 +1482,7 @@ Optional Features:
Optional Packages:
--with-PACKAGE[=ARG] use PACKAGE [ARG=yes]
--without-PACKAGE do not use PACKAGE (same as --with-PACKAGE=no)
+ --with-x use the X Window System
--with-charset=CHARSET
--with-gnu-ld assume the C compiler uses GNU ld default=no
--with-libiconv-prefix[=DIR] search for libiconv in DIR/include and DIR/lib
@@ -1501,6 +1513,7 @@ Some influential environment variables:
CC C compiler command
CFLAGS C compiler flags
CPP C preprocessor
+ XMKMF Path to xmkmf, Makefile generator for X Window System
PKG_CONFIG path to pkg-config utility
PKG_CONFIG_PATH
directories to add to pkg-config's search path
@@ -4201,6 +4214,691 @@ fi
done
test -n "$MAN" || MAN="/usr/bin/man"
+
+
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for X" >&5
+$as_echo_n "checking for X... " >&6; }
+
+
+# Check whether --with-x was given.
+if test "${with_x+set}" = set; then :
+ withval=$with_x;
+fi
+
+# $have_x is `yes', `no', `disabled', or empty when we do not yet know.
+if test "x$with_x" = xno; then
+ # The user explicitly disabled X.
+ have_x=disabled
+else
+ case $x_includes,$x_libraries in #(
+ *\'*) as_fn_error $? "cannot use X directory names containing '" "$LINENO" 5;; #(
+ *,NONE | NONE,*) if ${ac_cv_have_x+:} false; then :
+ $as_echo_n "(cached) " >&6
+else
+ # One or both of the vars are not set, and there is no cached value.
+ac_x_includes=no ac_x_libraries=no
+rm -f -r conftest.dir
+if mkdir conftest.dir; then
+ cd conftest.dir
+ cat >Imakefile <<'_ACEOF'
+incroot:
+ @echo incroot='${INCROOT}'
+usrlibdir:
+ @echo usrlibdir='${USRLIBDIR}'
+libdir:
+ @echo libdir='${LIBDIR}'
+_ACEOF
+ if (export CC; ${XMKMF-xmkmf}) >/dev/null 2>/dev/null && test -f Makefile; then
+ # GNU make sometimes prints "make[1]: Entering ...", which would confuse us.
+ for ac_var in incroot usrlibdir libdir; do
+ eval "ac_im_$ac_var=\`\${MAKE-make} $ac_var 2>/dev/null | sed -n 's/^$ac_var=//p'\`"
+ done
+ # Open Windows xmkmf reportedly sets LIBDIR instead of USRLIBDIR.
+ for ac_extension in a so sl dylib la dll; do
+ if test ! -f "$ac_im_usrlibdir/libX11.$ac_extension" &&
+ test -f "$ac_im_libdir/libX11.$ac_extension"; then
+ ac_im_usrlibdir=$ac_im_libdir; break
+ fi
+ done
+ # Screen out bogus values from the imake configuration. They are
+ # bogus both because they are the default anyway, and because
+ # using them would break gcc on systems where it needs fixed includes.
+ case $ac_im_incroot in
+ /usr/include) ac_x_includes= ;;
+ *) test -f "$ac_im_incroot/X11/Xos.h" && ac_x_includes=$ac_im_incroot;;
+ esac
+ case $ac_im_usrlibdir in
+ /usr/lib | /usr/lib64 | /lib | /lib64) ;;
+ *) test -d "$ac_im_usrlibdir" && ac_x_libraries=$ac_im_usrlibdir ;;
+ esac
+ fi
+ cd ..
+ rm -f -r conftest.dir
+fi
+
+# Standard set of common directories for X headers.
+# Check X11 before X11Rn because it is often a symlink to the current release.
+ac_x_header_dirs='
+/usr/X11/include
+/usr/X11R7/include
+/usr/X11R6/include
+/usr/X11R5/include
+/usr/X11R4/include
+
+/usr/include/X11
+/usr/include/X11R7
+/usr/include/X11R6
+/usr/include/X11R5
+/usr/include/X11R4
+
+/usr/local/X11/include
+/usr/local/X11R7/include
+/usr/local/X11R6/include
+/usr/local/X11R5/include
+/usr/local/X11R4/include
+
+/usr/local/include/X11
+/usr/local/include/X11R7
+/usr/local/include/X11R6
+/usr/local/include/X11R5
+/usr/local/include/X11R4
+
+/usr/X386/include
+/usr/x386/include
+/usr/XFree86/include/X11
+
+/usr/include
+/usr/local/include
+/usr/unsupported/include
+/usr/athena/include
+/usr/local/x11r5/include
+/usr/lpp/Xamples/include
+
+/usr/openwin/include
+/usr/openwin/share/include'
+
+if test "$ac_x_includes" = no; then
+ # Guess where to find include files, by looking for Xlib.h.
+ # First, try using that file with no special directory specified.
+ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h. */
+#include <X11/Xlib.h>
+_ACEOF
+if ac_fn_c_try_cpp "$LINENO"; then :
+ # We can compile using X headers with no special include directory.
+ac_x_includes=
+else
+ for ac_dir in $ac_x_header_dirs; do
+ if test -r "$ac_dir/X11/Xlib.h"; then
+ ac_x_includes=$ac_dir
+ break
+ fi
+done
+fi
+rm -f conftest.err conftest.i conftest.$ac_ext
+fi # $ac_x_includes = no
+
+if test "$ac_x_libraries" = no; then
+ # Check for the libraries.
+ # See if we find them without any special options.
+ # Don't add to $LIBS permanently.
+ ac_save_LIBS=$LIBS
+ LIBS="-lX11 $LIBS"
+ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h. */
+#include <X11/Xlib.h>
+int
+main ()
+{
+XrmInitialize ()
+ ;
+ return 0;
+}
+_ACEOF
+if ac_fn_c_try_link "$LINENO"; then :
+ LIBS=$ac_save_LIBS
+# We can link X programs with no special library path.
+ac_x_libraries=
+else
+ LIBS=$ac_save_LIBS
+for ac_dir in `$as_echo "$ac_x_includes $ac_x_header_dirs" | sed s/include/lib/g`
+do
+ # Don't even attempt the hair of trying to link an X program!
+ for ac_extension in a so sl dylib la dll; do
+ if test -r "$ac_dir/libX11.$ac_extension"; then
+ ac_x_libraries=$ac_dir
+ break 2
+ fi
+ done
+done
+fi
+rm -f core conftest.err conftest.$ac_objext \
+ conftest$ac_exeext conftest.$ac_ext
+fi # $ac_x_libraries = no
+
+case $ac_x_includes,$ac_x_libraries in #(
+ no,* | *,no | *\'*)
+ # Didn't find X, or a directory has "'" in its name.
+ ac_cv_have_x="have_x=no";; #(
+ *)
+ # Record where we found X for the cache.
+ ac_cv_have_x="have_x=yes\
+ ac_x_includes='$ac_x_includes'\
+ ac_x_libraries='$ac_x_libraries'"
+esac
+fi
+;; #(
+ *) have_x=yes;;
+ esac
+ eval "$ac_cv_have_x"
+fi # $with_x != no
+
+if test "$have_x" != yes; then
+ { $as_echo "$as_me:${as_lineno-$LINENO}: result: $have_x" >&5
+$as_echo "$have_x" >&6; }
+ no_x=yes
+else
+ # If each of the values was on the command line, it overrides each guess.
+ test "x$x_includes" = xNONE && x_includes=$ac_x_includes
+ test "x$x_libraries" = xNONE && x_libraries=$ac_x_libraries
+ # Update the cache value to reflect the command line values.
+ ac_cv_have_x="have_x=yes\
+ ac_x_includes='$x_includes'\
+ ac_x_libraries='$x_libraries'"
+ { $as_echo "$as_me:${as_lineno-$LINENO}: result: libraries $x_libraries, headers $x_includes" >&5
+$as_echo "libraries $x_libraries, headers $x_includes" >&6; }
+fi
+
+if test "$no_x" = yes; then
+ # Not all programs may use this symbol, but it does not hurt to define it.
+
+$as_echo "#define X_DISPLAY_MISSING 1" >>confdefs.h
+
+ X_CFLAGS= X_PRE_LIBS= X_LIBS= X_EXTRA_LIBS=
+else
+ if test -n "$x_includes"; then
+ X_CFLAGS="$X_CFLAGS -I$x_includes"
+ fi
+
+ # It would also be nice to do this for all -L options, not just this one.
+ if test -n "$x_libraries"; then
+ X_LIBS="$X_LIBS -L$x_libraries"
+ # For Solaris; some versions of Sun CC require a space after -R and
+ # others require no space. Words are not sufficient . . . .
+ { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether -R must be followed by a space" >&5
+$as_echo_n "checking whether -R must be followed by a space... " >&6; }
+ ac_xsave_LIBS=$LIBS; LIBS="$LIBS -R$x_libraries"
+ ac_xsave_c_werror_flag=$ac_c_werror_flag
+ ac_c_werror_flag=yes
+ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h. */
+
+int
+main ()
+{
+
+ ;
+ return 0;
+}
+_ACEOF
+if ac_fn_c_try_link "$LINENO"; then :
+ { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
+ X_LIBS="$X_LIBS -R$x_libraries"
+else
+ LIBS="$ac_xsave_LIBS -R $x_libraries"
+ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h. */
+
+int
+main ()
+{
+
+ ;
+ return 0;
+}
+_ACEOF
+if ac_fn_c_try_link "$LINENO"; then :
+ { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
+$as_echo "yes" >&6; }
+ X_LIBS="$X_LIBS -R $x_libraries"
+else
+ { $as_echo "$as_me:${as_lineno-$LINENO}: result: neither works" >&5
+$as_echo "neither works" >&6; }
+fi
+rm -f core conftest.err conftest.$ac_objext \
+ conftest$ac_exeext conftest.$ac_ext
+fi
+rm -f core conftest.err conftest.$ac_objext \
+ conftest$ac_exeext conftest.$ac_ext
+ ac_c_werror_flag=$ac_xsave_c_werror_flag
+ LIBS=$ac_xsave_LIBS
+ fi
+
+ # Check for system-dependent libraries X programs must link with.
+ # Do this before checking for the system-independent R6 libraries
+ # (-lICE), since we may need -lsocket or whatever for X linking.
+
+ if test "$ISC" = yes; then
+ X_EXTRA_LIBS="$X_EXTRA_LIBS -lnsl_s -linet"
+ else
+ # Martyn Johnson says this is needed for Ultrix, if the X
+ # libraries were built with DECnet support. And Karl Berry says
+ # the Alpha needs dnet_stub (dnet does not exist).
+ ac_xsave_LIBS="$LIBS"; LIBS="$LIBS $X_LIBS -lX11"
+ cat confdefs.h - <<_ACEOF >conftest.$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 XOpenDisplay ();
+int
+main ()
+{
+return XOpenDisplay ();
+ ;
+ return 0;
+}
+_ACEOF
+if ac_fn_c_try_link "$LINENO"; then :
+
+else
+ { $as_echo "$as_me:${as_lineno-$LINENO}: checking for dnet_ntoa in -ldnet" >&5
+$as_echo_n "checking for dnet_ntoa in -ldnet... " >&6; }
+if ${ac_cv_lib_dnet_dnet_ntoa+:} false; then :
+ $as_echo_n "(cached) " >&6
+else
+ ac_check_lib_save_LIBS=$LIBS
+LIBS="-ldnet $LIBS"
+cat confdefs.h - <<_ACEOF >conftest.$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 dnet_ntoa ();
+int
+main ()
+{
+return dnet_ntoa ();
+ ;
+ return 0;
+}
+_ACEOF
+if ac_fn_c_try_link "$LINENO"; then :
+ ac_cv_lib_dnet_dnet_ntoa=yes
+else
+ ac_cv_lib_dnet_dnet_ntoa=no
+fi
+rm -f core conftest.err conftest.$ac_objext \
+ conftest$ac_exeext conftest.$ac_ext
+LIBS=$ac_check_lib_save_LIBS
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_dnet_dnet_ntoa" >&5
+$as_echo "$ac_cv_lib_dnet_dnet_ntoa" >&6; }
+if test "x$ac_cv_lib_dnet_dnet_ntoa" = xyes; then :
+ X_EXTRA_LIBS="$X_EXTRA_LIBS -ldnet"
+fi
+
+ if test $ac_cv_lib_dnet_dnet_ntoa = no; then
+ { $as_echo "$as_me:${as_lineno-$LINENO}: checking for dnet_ntoa in -ldnet_stub" >&5
+$as_echo_n "checking for dnet_ntoa in -ldnet_stub... " >&6; }
+if ${ac_cv_lib_dnet_stub_dnet_ntoa+:} false; then :
+ $as_echo_n "(cached) " >&6
+else
+ ac_check_lib_save_LIBS=$LIBS
+LIBS="-ldnet_stub $LIBS"
+cat confdefs.h - <<_ACEOF >conftest.$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 dnet_ntoa ();
+int
+main ()
+{
+return dnet_ntoa ();
+ ;
+ return 0;
+}
+_ACEOF
+if ac_fn_c_try_link "$LINENO"; then :
+ ac_cv_lib_dnet_stub_dnet_ntoa=yes
+else
+ ac_cv_lib_dnet_stub_dnet_ntoa=no
+fi
+rm -f core conftest.err conftest.$ac_objext \
+ conftest$ac_exeext conftest.$ac_ext
+LIBS=$ac_check_lib_save_LIBS
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_dnet_stub_dnet_ntoa" >&5
+$as_echo "$ac_cv_lib_dnet_stub_dnet_ntoa" >&6; }
+if test "x$ac_cv_lib_dnet_stub_dnet_ntoa" = xyes; then :
+ X_EXTRA_LIBS="$X_EXTRA_LIBS -ldnet_stub"
+fi
+
+ fi
+fi
+rm -f core conftest.err conftest.$ac_objext \
+ conftest$ac_exeext conftest.$ac_ext
+ LIBS="$ac_xsave_LIBS"
+
+ # msh@cis.ufl.edu says -lnsl (and -lsocket) are needed for his 386/AT,
+ # to get the SysV transport functions.
+ # Chad R. Larson says the Pyramis MIS-ES running DC/OSx (SVR4)
+ # needs -lnsl.
+ # The nsl library prevents programs from opening the X display
+ # on Irix 5.2, according to T.E. Dickey.
+ # The functions gethostbyname, getservbyname, and inet_addr are
+ # in -lbsd on LynxOS 3.0.1/i386, according to Lars Hecking.
+ ac_fn_c_check_func "$LINENO" "gethostbyname" "ac_cv_func_gethostbyname"
+if test "x$ac_cv_func_gethostbyname" = xyes; then :
+
+fi
+
+ if test $ac_cv_func_gethostbyname = no; then
+ { $as_echo "$as_me:${as_lineno-$LINENO}: checking for gethostbyname in -lnsl" >&5
+$as_echo_n "checking for gethostbyname in -lnsl... " >&6; }
+if ${ac_cv_lib_nsl_gethostbyname+:} false; then :
+ $as_echo_n "(cached) " >&6
+else
+ ac_check_lib_save_LIBS=$LIBS
+LIBS="-lnsl $LIBS"
+cat confdefs.h - <<_ACEOF >conftest.$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 gethostbyname ();
+int
+main ()
+{
+return gethostbyname ();
+ ;
+ return 0;
+}
+_ACEOF
+if ac_fn_c_try_link "$LINENO"; then :
+ ac_cv_lib_nsl_gethostbyname=yes
+else
+ ac_cv_lib_nsl_gethostbyname=no
+fi
+rm -f core conftest.err conftest.$ac_objext \
+ conftest$ac_exeext conftest.$ac_ext
+LIBS=$ac_check_lib_save_LIBS
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_nsl_gethostbyname" >&5
+$as_echo "$ac_cv_lib_nsl_gethostbyname" >&6; }
+if test "x$ac_cv_lib_nsl_gethostbyname" = xyes; then :
+ X_EXTRA_LIBS="$X_EXTRA_LIBS -lnsl"
+fi
+
+ if test $ac_cv_lib_nsl_gethostbyname = no; then
+ { $as_echo "$as_me:${as_lineno-$LINENO}: checking for gethostbyname in -lbsd" >&5
+$as_echo_n "checking for gethostbyname in -lbsd... " >&6; }
+if ${ac_cv_lib_bsd_gethostbyname+:} false; then :
+ $as_echo_n "(cached) " >&6
+else
+ ac_check_lib_save_LIBS=$LIBS
+LIBS="-lbsd $LIBS"
+cat confdefs.h - <<_ACEOF >conftest.$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 gethostbyname ();
+int
+main ()
+{
+return gethostbyname ();
+ ;
+ return 0;
+}
+_ACEOF
+if ac_fn_c_try_link "$LINENO"; then :
+ ac_cv_lib_bsd_gethostbyname=yes
+else
+ ac_cv_lib_bsd_gethostbyname=no
+fi
+rm -f core conftest.err conftest.$ac_objext \
+ conftest$ac_exeext conftest.$ac_ext
+LIBS=$ac_check_lib_save_LIBS
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_bsd_gethostbyname" >&5
+$as_echo "$ac_cv_lib_bsd_gethostbyname" >&6; }
+if test "x$ac_cv_lib_bsd_gethostbyname" = xyes; then :
+ X_EXTRA_LIBS="$X_EXTRA_LIBS -lbsd"
+fi
+
+ fi
+ fi
+
+ # lieder@skyler.mavd.honeywell.com says without -lsocket,
+ # socket/setsockopt and other routines are undefined under SCO ODT
+ # 2.0. But -lsocket is broken on IRIX 5.2 (and is not necessary
+ # on later versions), says Simon Leinen: it contains gethostby*
+ # variants that don't use the name server (or something). -lsocket
+ # must be given before -lnsl if both are needed. We assume that
+ # if connect needs -lnsl, so does gethostbyname.
+ ac_fn_c_check_func "$LINENO" "connect" "ac_cv_func_connect"
+if test "x$ac_cv_func_connect" = xyes; then :
+
+fi
+
+ if test $ac_cv_func_connect = no; then
+ { $as_echo "$as_me:${as_lineno-$LINENO}: checking for connect in -lsocket" >&5
+$as_echo_n "checking for connect in -lsocket... " >&6; }
+if ${ac_cv_lib_socket_connect+:} false; then :
+ $as_echo_n "(cached) " >&6
+else
+ ac_check_lib_save_LIBS=$LIBS
+LIBS="-lsocket $X_EXTRA_LIBS $LIBS"
+cat confdefs.h - <<_ACEOF >conftest.$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 connect ();
+int
+main ()
+{
+return connect ();
+ ;
+ return 0;
+}
+_ACEOF
+if ac_fn_c_try_link "$LINENO"; then :
+ ac_cv_lib_socket_connect=yes
+else
+ ac_cv_lib_socket_connect=no
+fi
+rm -f core conftest.err conftest.$ac_objext \
+ conftest$ac_exeext conftest.$ac_ext
+LIBS=$ac_check_lib_save_LIBS
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_socket_connect" >&5
+$as_echo "$ac_cv_lib_socket_connect" >&6; }
+if test "x$ac_cv_lib_socket_connect" = xyes; then :
+ X_EXTRA_LIBS="-lsocket $X_EXTRA_LIBS"
+fi
+
+ fi
+
+ # Guillermo Gomez says -lposix is necessary on A/UX.
+ ac_fn_c_check_func "$LINENO" "remove" "ac_cv_func_remove"
+if test "x$ac_cv_func_remove" = xyes; then :
+
+fi
+
+ if test $ac_cv_func_remove = no; then
+ { $as_echo "$as_me:${as_lineno-$LINENO}: checking for remove in -lposix" >&5
+$as_echo_n "checking for remove in -lposix... " >&6; }
+if ${ac_cv_lib_posix_remove+:} false; then :
+ $as_echo_n "(cached) " >&6
+else
+ ac_check_lib_save_LIBS=$LIBS
+LIBS="-lposix $LIBS"
+cat confdefs.h - <<_ACEOF >conftest.$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 remove ();
+int
+main ()
+{
+return remove ();
+ ;
+ return 0;
+}
+_ACEOF
+if ac_fn_c_try_link "$LINENO"; then :
+ ac_cv_lib_posix_remove=yes
+else
+ ac_cv_lib_posix_remove=no
+fi
+rm -f core conftest.err conftest.$ac_objext \
+ conftest$ac_exeext conftest.$ac_ext
+LIBS=$ac_check_lib_save_LIBS
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_posix_remove" >&5
+$as_echo "$ac_cv_lib_posix_remove" >&6; }
+if test "x$ac_cv_lib_posix_remove" = xyes; then :
+ X_EXTRA_LIBS="$X_EXTRA_LIBS -lposix"
+fi
+
+ fi
+
+ # BSDI BSD/OS 2.1 needs -lipc for XOpenDisplay.
+ ac_fn_c_check_func "$LINENO" "shmat" "ac_cv_func_shmat"
+if test "x$ac_cv_func_shmat" = xyes; then :
+
+fi
+
+ if test $ac_cv_func_shmat = no; then
+ { $as_echo "$as_me:${as_lineno-$LINENO}: checking for shmat in -lipc" >&5
+$as_echo_n "checking for shmat in -lipc... " >&6; }
+if ${ac_cv_lib_ipc_shmat+:} false; then :
+ $as_echo_n "(cached) " >&6
+else
+ ac_check_lib_save_LIBS=$LIBS
+LIBS="-lipc $LIBS"
+cat confdefs.h - <<_ACEOF >conftest.$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 shmat ();
+int
+main ()
+{
+return shmat ();
+ ;
+ return 0;
+}
+_ACEOF
+if ac_fn_c_try_link "$LINENO"; then :
+ ac_cv_lib_ipc_shmat=yes
+else
+ ac_cv_lib_ipc_shmat=no
+fi
+rm -f core conftest.err conftest.$ac_objext \
+ conftest$ac_exeext conftest.$ac_ext
+LIBS=$ac_check_lib_save_LIBS
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_ipc_shmat" >&5
+$as_echo "$ac_cv_lib_ipc_shmat" >&6; }
+if test "x$ac_cv_lib_ipc_shmat" = xyes; then :
+ X_EXTRA_LIBS="$X_EXTRA_LIBS -lipc"
+fi
+
+ fi
+ fi
+
+ # Check for libraries that X11R6 Xt/Xaw programs need.
+ ac_save_LDFLAGS=$LDFLAGS
+ test -n "$x_libraries" && LDFLAGS="$LDFLAGS -L$x_libraries"
+ # SM needs ICE to (dynamically) link under SunOS 4.x (so we have to
+ # check for ICE first), but we must link in the order -lSM -lICE or
+ # we get undefined symbols. So assume we have SM if we have ICE.
+ # These have to be linked with before -lX11, unlike the other
+ # libraries we check for below, so use a different variable.
+ # John Interrante, Karl Berry
+ { $as_echo "$as_me:${as_lineno-$LINENO}: checking for IceConnectionNumber in -lICE" >&5
+$as_echo_n "checking for IceConnectionNumber in -lICE... " >&6; }
+if ${ac_cv_lib_ICE_IceConnectionNumber+:} false; then :
+ $as_echo_n "(cached) " >&6
+else
+ ac_check_lib_save_LIBS=$LIBS
+LIBS="-lICE $X_EXTRA_LIBS $LIBS"
+cat confdefs.h - <<_ACEOF >conftest.$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 IceConnectionNumber ();
+int
+main ()
+{
+return IceConnectionNumber ();
+ ;
+ return 0;
+}
+_ACEOF
+if ac_fn_c_try_link "$LINENO"; then :
+ ac_cv_lib_ICE_IceConnectionNumber=yes
+else
+ ac_cv_lib_ICE_IceConnectionNumber=no
+fi
+rm -f core conftest.err conftest.$ac_objext \
+ conftest$ac_exeext conftest.$ac_ext
+LIBS=$ac_check_lib_save_LIBS
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_ICE_IceConnectionNumber" >&5
+$as_echo "$ac_cv_lib_ICE_IceConnectionNumber" >&6; }
+if test "x$ac_cv_lib_ICE_IceConnectionNumber" = xyes; then :
+ X_PRE_LIBS="$X_PRE_LIBS -lSM -lICE"
+fi
+
+ LDFLAGS=$ac_save_LDFLAGS
+
+fi
+
# Make sure we can run config.sub.
$SHELL "$ac_aux_dir/config.sub" sun4 >/dev/null 2>&1 ||
as_fn_error $? "cannot run $SHELL $ac_aux_dir/config.sub" "$LINENO" 5
diff --git a/configure.ac b/configure.ac
index d863255..0e31d18 100644
--- a/configure.ac
+++ b/configure.ac
@@ -28,6 +28,7 @@ AC_PROG_RANLIB
AC_PATH_PROGS(PERL, perl, /usr/local/bin/perl)
AC_PATH_PROGS(NKF, nkf, /usr/local/bin/nkf)
AC_PATH_PROGS(MAN, man, /usr/bin/man)
+AC_PATH_XTRA
AC_CANONICAL_HOST
AC_EXEEXT