From b5cee563cbfa0a58680b307bc7bc142904db26e9 Mon Sep 17 00:00:00 2001
From: Adam Fedor <fedor@gnu.org>
Date: Thu, 25 Apr 2002 02:09:27 +0000
Subject: [PATCH] better check for backend

git-svn-id: svn+ssh://svn.gna.org/svn/gnustep/libs/back/trunk@13538 72102866-910b-0410-8b05-ffd578937521
---
 ChangeLog    |   5 ++
 configure    | 211 ++++++++++++++++++++++++++-------------------------
 configure.in |  23 +++---
 3 files changed, 125 insertions(+), 114 deletions(-)

diff --git a/ChangeLog b/ChangeLog
index a4d4a53..89dad89 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+2002-04-24  Adam Fedor  <fedor@gnu.org>
+
+	* configure.in: Don't enable wraster support if --with-wraster=none.
+	Print error if no backend server or graphics configured.
+
 2002-04-23  Adam Fedor  <fedor@gnu.org>
 
 	* Headers/x11/XGServer.h: Rework to handle multiple screens.
diff --git a/configure b/configure
index ec75d52..443f22a 100755
--- a/configure
+++ b/configure
@@ -1070,23 +1070,25 @@ else
   echo "$ac_t""no" 1>&6
 gs_cv_have_wraster=no
 fi
-
+if test "x$with_wraster" = "xnone"; then
+  gs_cv_have_wraster=no
+fi
 if test "$gs_cv_have_wraster" = yes; then
   for ac_hdr in wraster.h
 do
 ac_safe=`echo "$ac_hdr" | sed 'y%./+-%__p_%'`
 echo $ac_n "checking for $ac_hdr""... $ac_c" 1>&6
-echo "configure:1080: checking for $ac_hdr" >&5
+echo "configure:1082: checking for $ac_hdr" >&5
 if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 1085 "configure"
+#line 1087 "configure"
 #include "confdefs.h"
 #include <$ac_hdr>
 EOF
 ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:1090: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:1092: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
 ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
 if test -z "$ac_err"; then
   rm -rf conftest*
@@ -1141,7 +1143,7 @@ fi
 # Uses ac_ vars as temps to allow command line to override cache and checks.
 # --without-x overrides everything else, but does not touch the cache.
 echo $ac_n "checking for X""... $ac_c" 1>&6
-echo "configure:1145: checking for X" >&5
+echo "configure:1147: checking for X" >&5
 
 # Check whether --with-x or --without-x was given.
 if test "${with_x+set}" = set; then
@@ -1203,12 +1205,12 @@ if test "$ac_x_includes" = NO; then
 
   # First, try using that file with no special directory specified.
 cat > conftest.$ac_ext <<EOF
-#line 1207 "configure"
+#line 1209 "configure"
 #include "confdefs.h"
 #include <$x_direct_test_include>
 EOF
 ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:1212: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:1214: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
 ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
 if test -z "$ac_err"; then
   rm -rf conftest*
@@ -1277,14 +1279,14 @@ if test "$ac_x_libraries" = NO; then
   ac_save_LIBS="$LIBS"
   LIBS="-l$x_direct_test_library $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 1281 "configure"
+#line 1283 "configure"
 #include "confdefs.h"
 
 int main() {
 ${x_direct_test_function}()
 ; return 0; }
 EOF
-if { (eval echo configure:1288: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:1290: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   LIBS="$ac_save_LIBS"
 # We can link X programs with no special library path.
@@ -1390,17 +1392,17 @@ else
     case "`(uname -sr) 2>/dev/null`" in
     "SunOS 5"*)
       echo $ac_n "checking whether -R must be followed by a space""... $ac_c" 1>&6
-echo "configure:1394: checking whether -R must be followed by a space" >&5
+echo "configure:1396: checking whether -R must be followed by a space" >&5
       ac_xsave_LIBS="$LIBS"; LIBS="$LIBS -R$x_libraries"
       cat > conftest.$ac_ext <<EOF
-#line 1397 "configure"
+#line 1399 "configure"
 #include "confdefs.h"
 
 int main() {
 
 ; return 0; }
 EOF
-if { (eval echo configure:1404: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:1406: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   ac_R_nospace=yes
 else
@@ -1416,14 +1418,14 @@ rm -f conftest*
       else
 	LIBS="$ac_xsave_LIBS -R $x_libraries"
 	cat > conftest.$ac_ext <<EOF
-#line 1420 "configure"
+#line 1422 "configure"
 #include "confdefs.h"
 
 int main() {
 
 ; return 0; }
 EOF
-if { (eval echo configure:1427: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:1429: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   ac_R_space=yes
 else
@@ -1455,7 +1457,7 @@ rm -f conftest*
     # libraries were built with DECnet support.  And karl@cs.umb.edu says
     # the Alpha needs dnet_stub (dnet does not exist).
     echo $ac_n "checking for dnet_ntoa in -ldnet""... $ac_c" 1>&6
-echo "configure:1459: checking for dnet_ntoa in -ldnet" >&5
+echo "configure:1461: checking for dnet_ntoa in -ldnet" >&5
 ac_lib_var=`echo dnet'_'dnet_ntoa | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -1463,7 +1465,7 @@ else
   ac_save_LIBS="$LIBS"
 LIBS="-ldnet  $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 1467 "configure"
+#line 1469 "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
@@ -1474,7 +1476,7 @@ int main() {
 dnet_ntoa()
 ; return 0; }
 EOF
-if { (eval echo configure:1478: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:1480: \"$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
@@ -1496,7 +1498,7 @@ fi
 
     if test $ac_cv_lib_dnet_dnet_ntoa = no; then
       echo $ac_n "checking for dnet_ntoa in -ldnet_stub""... $ac_c" 1>&6
-echo "configure:1500: checking for dnet_ntoa in -ldnet_stub" >&5
+echo "configure:1502: checking for dnet_ntoa in -ldnet_stub" >&5
 ac_lib_var=`echo dnet_stub'_'dnet_ntoa | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -1504,7 +1506,7 @@ else
   ac_save_LIBS="$LIBS"
 LIBS="-ldnet_stub  $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 1508 "configure"
+#line 1510 "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
@@ -1515,7 +1517,7 @@ int main() {
 dnet_ntoa()
 ; return 0; }
 EOF
-if { (eval echo configure:1519: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:1521: \"$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
@@ -1544,12 +1546,12 @@ fi
     # The nsl library prevents programs from opening the X display
     # on Irix 5.2, according to dickey@clark.net.
     echo $ac_n "checking for gethostbyname""... $ac_c" 1>&6
-echo "configure:1548: checking for gethostbyname" >&5
+echo "configure:1550: checking for gethostbyname" >&5
 if eval "test \"`echo '$''{'ac_cv_func_gethostbyname'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 1553 "configure"
+#line 1555 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char gethostbyname(); below.  */
@@ -1572,7 +1574,7 @@ gethostbyname();
 
 ; return 0; }
 EOF
-if { (eval echo configure:1576: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:1578: \"$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
@@ -1593,7 +1595,7 @@ fi
 
     if test $ac_cv_func_gethostbyname = no; then
       echo $ac_n "checking for gethostbyname in -lnsl""... $ac_c" 1>&6
-echo "configure:1597: checking for gethostbyname in -lnsl" >&5
+echo "configure:1599: checking for gethostbyname in -lnsl" >&5
 ac_lib_var=`echo nsl'_'gethostbyname | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -1601,7 +1603,7 @@ else
   ac_save_LIBS="$LIBS"
 LIBS="-lnsl  $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 1605 "configure"
+#line 1607 "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
@@ -1612,7 +1614,7 @@ int main() {
 gethostbyname()
 ; return 0; }
 EOF
-if { (eval echo configure:1616: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+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_lib_$ac_lib_var=yes"
 else
@@ -1642,12 +1644,12 @@ fi
     # -lsocket must be given before -lnsl if both are needed.
     # We assume that if connect needs -lnsl, so does gethostbyname.
     echo $ac_n "checking for connect""... $ac_c" 1>&6
-echo "configure:1646: checking for connect" >&5
+echo "configure:1648: checking for connect" >&5
 if eval "test \"`echo '$''{'ac_cv_func_connect'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 1651 "configure"
+#line 1653 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char connect(); below.  */
@@ -1670,7 +1672,7 @@ connect();
 
 ; return 0; }
 EOF
-if { (eval echo configure:1674: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:1676: \"$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
@@ -1691,7 +1693,7 @@ fi
 
     if test $ac_cv_func_connect = no; then
       echo $ac_n "checking for connect in -lsocket""... $ac_c" 1>&6
-echo "configure:1695: checking for connect in -lsocket" >&5
+echo "configure:1697: checking for connect in -lsocket" >&5
 ac_lib_var=`echo socket'_'connect | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -1699,7 +1701,7 @@ else
   ac_save_LIBS="$LIBS"
 LIBS="-lsocket $X_EXTRA_LIBS $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 1703 "configure"
+#line 1705 "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
@@ -1710,7 +1712,7 @@ int main() {
 connect()
 ; return 0; }
 EOF
-if { (eval echo configure:1714: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:1716: \"$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
@@ -1734,12 +1736,12 @@ fi
 
     # gomez@mi.uni-erlangen.de says -lposix is necessary on A/UX.
     echo $ac_n "checking for remove""... $ac_c" 1>&6
-echo "configure:1738: checking for remove" >&5
+echo "configure:1740: checking for remove" >&5
 if eval "test \"`echo '$''{'ac_cv_func_remove'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 1743 "configure"
+#line 1745 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char remove(); below.  */
@@ -1762,7 +1764,7 @@ remove();
 
 ; return 0; }
 EOF
-if { (eval echo configure:1766: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:1768: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_remove=yes"
 else
@@ -1783,7 +1785,7 @@ fi
 
     if test $ac_cv_func_remove = no; then
       echo $ac_n "checking for remove in -lposix""... $ac_c" 1>&6
-echo "configure:1787: checking for remove in -lposix" >&5
+echo "configure:1789: checking for remove in -lposix" >&5
 ac_lib_var=`echo posix'_'remove | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -1791,7 +1793,7 @@ else
   ac_save_LIBS="$LIBS"
 LIBS="-lposix  $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 1795 "configure"
+#line 1797 "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
@@ -1802,7 +1804,7 @@ int main() {
 remove()
 ; return 0; }
 EOF
-if { (eval echo configure:1806: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:1808: \"$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
@@ -1826,12 +1828,12 @@ fi
 
     # BSDI BSD/OS 2.1 needs -lipc for XOpenDisplay.
     echo $ac_n "checking for shmat""... $ac_c" 1>&6
-echo "configure:1830: checking for shmat" >&5
+echo "configure:1832: checking for shmat" >&5
 if eval "test \"`echo '$''{'ac_cv_func_shmat'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 1835 "configure"
+#line 1837 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char shmat(); below.  */
@@ -1854,7 +1856,7 @@ shmat();
 
 ; return 0; }
 EOF
-if { (eval echo configure:1858: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:1860: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_shmat=yes"
 else
@@ -1875,7 +1877,7 @@ fi
 
     if test $ac_cv_func_shmat = no; then
       echo $ac_n "checking for shmat in -lipc""... $ac_c" 1>&6
-echo "configure:1879: checking for shmat in -lipc" >&5
+echo "configure:1881: checking for shmat in -lipc" >&5
 ac_lib_var=`echo ipc'_'shmat | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -1883,7 +1885,7 @@ else
   ac_save_LIBS="$LIBS"
 LIBS="-lipc  $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 1887 "configure"
+#line 1889 "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
@@ -1894,7 +1896,7 @@ int main() {
 shmat()
 ; return 0; }
 EOF
-if { (eval echo configure:1898: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:1900: \"$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
@@ -1927,7 +1929,7 @@ fi
   # libraries we check for below, so use a different variable.
   #  --interran@uluru.Stanford.EDU, kb@cs.umb.edu.
   echo $ac_n "checking for IceConnectionNumber in -lICE""... $ac_c" 1>&6
-echo "configure:1931: checking for IceConnectionNumber in -lICE" >&5
+echo "configure:1933: checking for IceConnectionNumber in -lICE" >&5
 ac_lib_var=`echo ICE'_'IceConnectionNumber | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -1935,7 +1937,7 @@ else
   ac_save_LIBS="$LIBS"
 LIBS="-lICE $X_EXTRA_LIBS $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 1939 "configure"
+#line 1941 "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
@@ -1946,7 +1948,7 @@ int main() {
 IceConnectionNumber()
 ; return 0; }
 EOF
-if { (eval echo configure:1950: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:1952: \"$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
@@ -1984,7 +1986,7 @@ if test $set_x_paths = yes; then
   CPPFLAGS="${GRAPHIC_CFLAGS} ${GRAPHIC_LFLAGS} ${CPPFLAGS}"
   LIBS="${GRAPHIC_LIBS} ${LIBS}"
   echo $ac_n "checking for main in -lXext""... $ac_c" 1>&6
-echo "configure:1988: checking for main in -lXext" >&5
+echo "configure:1990: checking for main in -lXext" >&5
 ac_lib_var=`echo Xext'_'main | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -1992,14 +1994,14 @@ else
   ac_save_LIBS="$LIBS"
 LIBS="-lXext  $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 1996 "configure"
+#line 1998 "configure"
 #include "confdefs.h"
 
 int main() {
 main()
 ; return 0; }
 EOF
-if { (eval echo configure:2003: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:2005: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_lib_$ac_lib_var=yes"
 else
@@ -2027,7 +2029,7 @@ fi
   fi
   LIBS="${GRAPHIC_LIBS} ${LIBS}"
   echo $ac_n "checking for main in -lXmu""... $ac_c" 1>&6
-echo "configure:2031: checking for main in -lXmu" >&5
+echo "configure:2033: checking for main in -lXmu" >&5
 ac_lib_var=`echo Xmu'_'main | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -2035,14 +2037,14 @@ else
   ac_save_LIBS="$LIBS"
 LIBS="-lXmu  $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 2039 "configure"
+#line 2041 "configure"
 #include "confdefs.h"
 
 int main() {
 main()
 ; return 0; }
 EOF
-if { (eval echo configure:2046: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:2048: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_lib_$ac_lib_var=yes"
 else
@@ -2109,17 +2111,17 @@ for ac_hdr in DPS/dpsclient.h DPS/dpsNXargs.h
 do
 ac_safe=`echo "$ac_hdr" | sed 'y%./+-%__p_%'`
 echo $ac_n "checking for $ac_hdr""... $ac_c" 1>&6
-echo "configure:2113: checking for $ac_hdr" >&5
+echo "configure:2115: checking for $ac_hdr" >&5
 if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 2118 "configure"
+#line 2120 "configure"
 #include "confdefs.h"
 #include <$ac_hdr>
 EOF
 ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:2123: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:2125: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
 ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
 if test -z "$ac_err"; then
   rm -rf conftest*
@@ -2178,7 +2180,7 @@ save_libs=${LIBS}
 CPPFLAGS="${GRAPHIC_CFLAGS} ${GRAPHIC_LFLAGS} ${CPPFLAGS}"
 LIBS="${GRAPHIC_LIBS} ${LIBS}"
 echo $ac_n "checking for XftFontOpen in -lXft""... $ac_c" 1>&6
-echo "configure:2182: checking for XftFontOpen in -lXft" >&5
+echo "configure:2184: checking for XftFontOpen in -lXft" >&5
 ac_lib_var=`echo Xft'_'XftFontOpen | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -2186,7 +2188,7 @@ else
   ac_save_LIBS="$LIBS"
 LIBS="-lXft  $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 2190 "configure"
+#line 2192 "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
@@ -2197,7 +2199,7 @@ int main() {
 XftFontOpen()
 ; return 0; }
 EOF
-if { (eval echo configure:2201: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:2203: \"$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
@@ -2220,17 +2222,17 @@ fi
 
 ac_safe=`echo "X11/Xft/Xft.h" | sed 'y%./+-%__p_%'`
 echo $ac_n "checking for X11/Xft/Xft.h""... $ac_c" 1>&6
-echo "configure:2224: checking for X11/Xft/Xft.h" >&5
+echo "configure:2226: checking for X11/Xft/Xft.h" >&5
 if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 2229 "configure"
+#line 2231 "configure"
 #include "confdefs.h"
 #include <X11/Xft/Xft.h>
 EOF
 ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:2234: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:2236: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
 ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
 if test -z "$ac_err"; then
   rm -rf conftest*
@@ -2259,7 +2261,7 @@ if test "$have_xft" = yes -a "$ac_cv_header_X11_Xft_Xft_h" = yes; then
 EOF
 
   echo $ac_n "checking for XftDrawStringUtf8 in -lXft""... $ac_c" 1>&6
-echo "configure:2263: checking for XftDrawStringUtf8 in -lXft" >&5
+echo "configure:2265: checking for XftDrawStringUtf8 in -lXft" >&5
 ac_lib_var=`echo Xft'_'XftDrawStringUtf8 | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -2267,7 +2269,7 @@ else
   ac_save_LIBS="$LIBS"
 LIBS="-lXft  $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 2271 "configure"
+#line 2273 "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
@@ -2278,7 +2280,7 @@ int main() {
 XftDrawStringUtf8()
 ; return 0; }
 EOF
-if { (eval echo configure:2282: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:2284: \"$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
@@ -2369,7 +2371,7 @@ if test $gs_cv_have_wraster = no -o $set_x_paths = yes; then
 CPPFLAGS="${with_jpeg_library} ${with_jpeg_include} ${CPPFLAGS}"
 
 echo $ac_n "checking for jpeg_destroy_decompress in -ljpeg""... $ac_c" 1>&6
-echo "configure:2373: checking for jpeg_destroy_decompress in -ljpeg" >&5
+echo "configure:2375: checking for jpeg_destroy_decompress in -ljpeg" >&5
 ac_lib_var=`echo jpeg'_'jpeg_destroy_decompress | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -2377,7 +2379,7 @@ else
   ac_save_LIBS="$LIBS"
 LIBS="-ljpeg  $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 2381 "configure"
+#line 2383 "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
@@ -2388,7 +2390,7 @@ int main() {
 jpeg_destroy_decompress()
 ; return 0; }
 EOF
-if { (eval echo configure:2392: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:2394: \"$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
@@ -2411,9 +2413,9 @@ fi
 
 if test "$jpeg_ok" = yes; then
   echo $ac_n "checking for jpeglib.h""... $ac_c" 1>&6
-echo "configure:2415: checking for jpeglib.h" >&5
+echo "configure:2417: checking for jpeglib.h" >&5
   cat > conftest.$ac_ext <<EOF
-#line 2417 "configure"
+#line 2419 "configure"
 #include "confdefs.h"
 #include <stdio.h>
               #undef PACKAGE
@@ -2422,7 +2424,7 @@ echo "configure:2415: checking for jpeglib.h" >&5
               #include <jpeglib.h>
 EOF
 ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:2426: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:2428: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
 ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
 if test -z "$ac_err"; then
   rm -rf conftest*
@@ -2486,7 +2488,7 @@ if test $gs_cv_have_wraster = no -o $set_x_paths = yes; then
 tiff_check_lib_save_libs=${LIBS}
 CPPFLAGS="${with_tiff_library} ${JPEG_LIB} ${with_tiff_include} ${JPEG_INCLUDE} ${CPPFLAGS}"
 echo $ac_n "checking for main in -lz""... $ac_c" 1>&6
-echo "configure:2490: checking for main in -lz" >&5
+echo "configure:2492: checking for main in -lz" >&5
 ac_lib_var=`echo z'_'main | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -2494,14 +2496,14 @@ else
   ac_save_LIBS="$LIBS"
 LIBS="-lz  $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 2498 "configure"
+#line 2500 "configure"
 #include "confdefs.h"
 
 int main() {
 main()
 ; return 0; }
 EOF
-if { (eval echo configure:2505: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:2507: \"$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
@@ -2524,17 +2526,17 @@ fi
 
 
 echo $ac_n "checking for -ltiff without -ljpeg nor -lz""... $ac_c" 1>&6
-echo "configure:2528: checking for -ltiff without -ljpeg nor -lz" >&5
+echo "configure:2530: checking for -ltiff without -ljpeg nor -lz" >&5
 LIBS="-ltiff -lm $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 2531 "configure"
+#line 2533 "configure"
 #include "confdefs.h"
 char TIFFReadScanline();
 int main() {
 TIFFReadScanline()
 ; return 0; }
 EOF
-if { (eval echo configure:2538: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:2540: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   jpeg_notneeded=yes
 else
@@ -2553,17 +2555,17 @@ fi
 
 if test $HAVE_LIBZ = 1; then
   echo $ac_n "checking for -ltiff without -lz""... $ac_c" 1>&6
-echo "configure:2557: checking for -ltiff without -lz" >&5
+echo "configure:2559: checking for -ltiff without -lz" >&5
   LIBS="-ltiff $JPEG -lm $LIBS"
   cat > conftest.$ac_ext <<EOF
-#line 2560 "configure"
+#line 2562 "configure"
 #include "confdefs.h"
 char TIFFReadScanline();
 int main() {
 TIFFReadScanline()
 ; return 0; }
 EOF
-if { (eval echo configure:2567: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:2569: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   libz_notneeded=yes
 else
@@ -2581,7 +2583,7 @@ rm -f conftest*
 fi
 
 echo $ac_n "checking for TIFFReadScanline in -ltiff""... $ac_c" 1>&6
-echo "configure:2585: checking for TIFFReadScanline in -ltiff" >&5
+echo "configure:2587: checking for TIFFReadScanline in -ltiff" >&5
 ac_lib_var=`echo tiff'_'TIFFReadScanline | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -2589,7 +2591,7 @@ else
   ac_save_LIBS="$LIBS"
 LIBS="-ltiff $JPEG -lm $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 2593 "configure"
+#line 2595 "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
@@ -2600,7 +2602,7 @@ int main() {
 TIFFReadScanline()
 ; return 0; }
 EOF
-if { (eval echo configure:2604: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:2606: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_lib_$ac_lib_var=yes"
 else
@@ -2624,17 +2626,17 @@ fi
 if test "$tiff_ok" = yes; then
   ac_safe=`echo "tiffio.h" | sed 'y%./+-%__p_%'`
 echo $ac_n "checking for tiffio.h""... $ac_c" 1>&6
-echo "configure:2628: checking for tiffio.h" >&5
+echo "configure:2630: checking for tiffio.h" >&5
 if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 2633 "configure"
+#line 2635 "configure"
 #include "confdefs.h"
 #include <tiffio.h>
 EOF
 ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:2638: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:2640: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
 ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
 if test -z "$ac_err"; then
   rm -rf conftest*
@@ -2684,17 +2686,17 @@ save_CPPFLAGS=${CPPFLAGS}
 CPPFLAGS="$CPPFLAGS $GRAPHIC_CFLAGS"
 ac_safe=`echo "X11/extensions/XShm.h" | sed 'y%./+-%__p_%'`
 echo $ac_n "checking for X11/extensions/XShm.h""... $ac_c" 1>&6
-echo "configure:2688: checking for X11/extensions/XShm.h" >&5
+echo "configure:2690: checking for X11/extensions/XShm.h" >&5
 if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 2693 "configure"
+#line 2695 "configure"
 #include "confdefs.h"
 #include <X11/extensions/XShm.h>
 EOF
 ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:2698: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:2700: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
 ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
 if test -z "$ac_err"; then
   rm -rf conftest*
@@ -2728,7 +2730,7 @@ save_libs=${LIBS}
 CPPFLAGS="${GRAPHIC_CFLAGS} ${GRAPHIC_LFLAGS} ${CPPFLAGS}"
 LIBS="${GRAPHIC_LIBS} ${LIBS}"
 echo $ac_n "checking for main in -lgdi32""... $ac_c" 1>&6
-echo "configure:2732: checking for main in -lgdi32" >&5
+echo "configure:2734: checking for main in -lgdi32" >&5
 ac_lib_var=`echo gdi32'_'main | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -2736,14 +2738,14 @@ else
   ac_save_LIBS="$LIBS"
 LIBS="-lgdi32  $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 2740 "configure"
+#line 2742 "configure"
 #include "confdefs.h"
 
 int main() {
 main()
 ; return 0; }
 EOF
-if { (eval echo configure:2747: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:2749: \"$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
@@ -2794,7 +2796,7 @@ exdps=no
 ex11=no
 ewin32=no
 ewinlib=no
-if test $gs_cv_have_wraster = yes -o $x_includes != NONE; then
+if test $gs_cv_have_wraster = yes -o "$x_includes" != "NONE"; then
   exlib=yes
   ex11=yes
 fi
@@ -2841,7 +2843,7 @@ fi
 
 
 echo $ac_n "checking Backend Server""... $ac_c" 1>&6
-echo "configure:2845: checking Backend Server" >&5
+echo "configure:2847: checking Backend Server" >&5
 if test "x$enable_win32" = "xyes"; then
   BUILD_WIN32=yes
   
@@ -2850,10 +2852,7 @@ if test "x$enable_win32" = "xyes"; then
 EOF
 
   echo "$ac_t""win32" 1>&6
-  # Only one server allowed
-  enable_x11=no
-fi
-if test "x$enable_x11" = "xyes"; then
+elif test "x$enable_x11" = "xyes"; then
   BUILD_X11=yes
   
   cat >> confdefs.h <<\EOF
@@ -2861,10 +2860,13 @@ if test "x$enable_x11" = "xyes"; then
 EOF
 
   echo "$ac_t""x11" 1>&6
+else
+  echo "$ac_t""None" 1>&6
+  { echo "configure: error: No Backend server configured. Report bug to bug-gnustep@gnu.org" 1>&2; exit 1; }
 fi
 
 echo $ac_n "checking Backend Graphics""... $ac_c" 1>&6
-echo "configure:2868: checking Backend Graphics" >&5
+echo "configure:2870: checking Backend Graphics" >&5
 if test "x$enable_winlib" = "xyes"; then
   BUILD_WINLIB=yes
   
@@ -2875,8 +2877,7 @@ EOF
   echo "$ac_t""win32" 1>&6
   enable_xdps=no
   enable_xlib=no
-fi
-if test "x$enable_xdps" = "xyes"; then
+elif test "x$enable_xdps" = "xyes"; then
   BUILD_XDPS=yes
   
   cat >> confdefs.h <<\EOF
@@ -2886,8 +2887,7 @@ EOF
   echo "$ac_t""xdps" 1>&6
   GRAPHIC_LIBS="-ldpstk -ldps -lpsres -lXt $X_PRE_LIBS $GRAPHIC_LIBS"
   enable_xlib=no 
-fi
-if test "x$enable_xlib" = "xyes"; then
+elif test "x$enable_xlib" = "xyes"; then
   BUILD_XLIB=yes
   
   cat >> confdefs.h <<\EOF
@@ -2895,6 +2895,9 @@ if test "x$enable_xlib" = "xyes"; then
 EOF
 
   echo "$ac_t""xlib" 1>&6
+else
+  echo "$ac_t""None" 1>&6
+  echo "configure: warning: No Backend graphics lib. Report bug to bug-gnustep@gnu.org" 1>&2
 fi
 
 #--------------------------------------------------------------------
@@ -2907,7 +2910,7 @@ if test "${with_name+set}" = set; then
 fi
 
 echo $ac_n "checking Backend name""... $ac_c" 1>&6
-echo "configure:2911: checking Backend name" >&5
+echo "configure:2914: checking Backend name" >&5
 if test "x$with_name" = "x"; then
  BACKEND_NAME=back
 else
diff --git a/configure.in b/configure.in
index 3e1a76a..807f85c 100644
--- a/configure.in
+++ b/configure.in
@@ -87,7 +87,9 @@ CPPFLAGS="$1 $2 ${CPPFLAGS}"
 LIBS="$3 $LIBS"
 
 # Check for RFillImage which is only in version 2.0 of libwraster
-AC_CHECK_LIB(wraster, RFillImage, gs_cv_have_wraster=yes, gs_cv_have_wraster=no)
+AC_CHECK_LIB(wraster, RFillImage, gs_cv_have_wraster=yes, gs_cv_have_wraster=no)if test "x$with_wraster" = "xnone"; then
+  gs_cv_have_wraster=no
+fi
 if test "$gs_cv_have_wraster" = yes; then
   AC_CHECK_HEADERS(wraster.h, gs_cv_have_wraster=yes, gs_cv_have_wraster=no)
 fi
@@ -395,7 +397,7 @@ exdps=no
 ex11=no
 ewin32=no
 ewinlib=no
-if test $gs_cv_have_wraster = yes -o $x_includes != NONE; then
+if test $gs_cv_have_wraster = yes -o "$x_includes" != "NONE"; then
   exlib=yes
   ex11=yes
 fi
@@ -422,14 +424,14 @@ if test "x$enable_win32" = "xyes"; then
   AC_SUBST(BUILD_WIN32)
   AC_DEFINE(BUILD_WIN32)
   AC_MSG_RESULT(win32)
-  # Only one server allowed
-  enable_x11=no
-fi
-if test "x$enable_x11" = "xyes"; then
+elif test "x$enable_x11" = "xyes"; then
   BUILD_X11=yes
   AC_SUBST(BUILD_X11)
   AC_DEFINE(BUILD_X11)
   AC_MSG_RESULT(x11)
+else
+  AC_MSG_RESULT(None)
+  AC_MSG_ERROR(No Backend server configured. Report bug to bug-gnustep@gnu.org)
 fi
 
 AC_MSG_CHECKING(Backend Graphics)
@@ -440,20 +442,21 @@ if test "x$enable_winlib" = "xyes"; then
   AC_MSG_RESULT(win32)
   enable_xdps=no
   enable_xlib=no
-fi
-if test "x$enable_xdps" = "xyes"; then
+elif test "x$enable_xdps" = "xyes"; then
   BUILD_XDPS=yes
   AC_SUBST(BUILD_XDPS)
   AC_DEFINE(BUILD_XDPS)
   AC_MSG_RESULT(xdps)
   GRAPHIC_LIBS="-ldpstk -ldps -lpsres -lXt $X_PRE_LIBS $GRAPHIC_LIBS"
   enable_xlib=no 
-fi
-if test "x$enable_xlib" = "xyes"; then
+elif test "x$enable_xlib" = "xyes"; then
   BUILD_XLIB=yes
   AC_SUBST(BUILD_XLIB)
   AC_DEFINE(BUILD_XLIB)
   AC_MSG_RESULT(xlib)
+else
+  AC_MSG_RESULT(None)
+  AC_MSG_WARN(No Backend graphics lib. Report bug to bug-gnustep@gnu.org)
 fi
 
 #--------------------------------------------------------------------