wxMGL features detection fixes

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@16188 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

diff --git a/configure b/configure
index 4a18a2a11e6cdf2a9dced0445132c14d2e9b48b5..021498ff600162a7ee59c2be2d787b501e49bc71 100755 (executable)
--- a/configure
+++ b/configure
@@ -1892,7 +1892,7 @@ fi
 # Check whether --with-mgl or --without-mgl was given.
 if test "${with_mgl+set}" = set; then
   withval="$with_mgl"
-  wxUSE_MGL="$withval" CACHE_MGL=1 TOOLKIT_GIVEN=1
+  wxUSE_MGL="$withval" wxUSE_UNIVERSAL="yes" CACHE_MGL=1 TOOLKIT_GIVEN=1
 fi
 
 # Check whether --with-microwin or --without-microwin was given.
@@ -18817,21 +18817,26 @@ fi
 
 
 if test "$wxUSE_SOCKETS" = "yes"; then
-    if test "$TOOLKIT" = "X11"; then
+    if test "$wxUSE_X11" = "1"; then
         echo "configure: warning: wxSocket not yet supported under X11... disabled" 1>&2
         wxUSE_SOCKETS="no"
     fi
+
+    if test "$wxUSE_MGL" = "1"; then
+        echo "configure: warning: wxSocket not yet supported under MGL... disabled" 1>&2
+        wxUSE_SOCKETS="no"
+    fi
 fi
 
 if test "$wxUSE_SOCKETS" = "yes"; then
         if test "$TOOLKIT" != "MSW"; then
                 echo $ac_n "checking for socket""... $ac_c" 1>&6
-echo "configure:18830: checking for socket" >&5
+echo "configure:18835: checking for socket" >&5
 if eval "test \"`echo '$''{'ac_cv_func_socket'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 18835 "configure"
+#line 18840 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char socket(); below.  */
@@ -18854,7 +18859,7 @@ socket();
 
 ; return 0; }
 EOF
-if { (eval echo configure:18858: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:18863: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_socket=yes"
 else
@@ -18872,7 +18877,7 @@ if eval "test \"`echo '$ac_cv_func_'socket`\" = yes"; then
 else
   echo "$ac_t""no" 1>&6
 echo $ac_n "checking for socket in -lsocket""... $ac_c" 1>&6
-echo "configure:18876: checking for socket in -lsocket" >&5
+echo "configure:18881: checking for socket in -lsocket" >&5
 ac_lib_var=`echo socket'_'socket | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -18880,7 +18885,7 @@ else
   ac_save_LIBS="$LIBS"
 LIBS="-lsocket  $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 18884 "configure"
+#line 18889 "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
@@ -18891,7 +18896,7 @@ int main() {
 socket()
 ; return 0; }
 EOF
-if { (eval echo configure:18895: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:18900: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_lib_$ac_lib_var=yes"
 else
@@ -18927,7 +18932,7 @@ fi
 if test "$wxUSE_SOCKETS" = "yes" ; then
                 if test "$TOOLKIT" != "MSW"; then
                 echo $ac_n "checking what is the type of the third argument of getsockname""... $ac_c" 1>&6
-echo "configure:18931: checking what is the type of the third argument of getsockname" >&5
+echo "configure:18936: checking what is the type of the third argument of getsockname" >&5
 if eval "test \"`echo '$''{'wx_cv_type_getsockname3'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -18942,7 +18947,7 @@ cross_compiling=$ac_cv_prog_cxx_cross
 
 
                 cat > conftest.$ac_ext <<EOF
-#line 18946 "configure"
+#line 18951 "configure"
 #include "confdefs.h"
 
                         #include <sys/types.h>
@@ -18955,7 +18960,7 @@ int main() {
                     
 ; return 0; }
 EOF
-if { (eval echo configure:18959: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:18964: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   wx_cv_type_getsockname3=socklen_t
 else
@@ -18963,7 +18968,7 @@ else
   cat conftest.$ac_ext >&5
   rm -rf conftest*
   cat > conftest.$ac_ext <<EOF
-#line 18967 "configure"
+#line 18972 "configure"
 #include "confdefs.h"
 
                             #include <sys/types.h>
@@ -18976,7 +18981,7 @@ int main() {
                         
 ; return 0; }
 EOF
-if { (eval echo configure:18980: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:18985: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   wx_cv_type_getsockname3=size_t
 else
@@ -18984,7 +18989,7 @@ else
   cat conftest.$ac_ext >&5
   rm -rf conftest*
   cat > conftest.$ac_ext <<EOF
-#line 18988 "configure"
+#line 18993 "configure"
 #include "confdefs.h"
 
                                 #include <sys/types.h>
@@ -18997,7 +19002,7 @@ int main() {
                             
 ; return 0; }
 EOF
-if { (eval echo configure:19001: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:19006: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   wx_cv_type_getsockname3=int
 else
@@ -19069,17 +19074,17 @@ if test "$wxUSE_GUI" = "yes"; then
 do
 ac_safe=`echo "$ac_hdr" | sed 'y%./+-%__p_%'`
 echo $ac_n "checking for $ac_hdr""... $ac_c" 1>&6
-echo "configure:19073: checking for $ac_hdr" >&5
+echo "configure:19078: 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 19078 "configure"
+#line 19083 "configure"
 #include "confdefs.h"
 #include <$ac_hdr>
 EOF
 ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:19083: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:19088: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
 ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
 if test -z "$ac_err"; then
   rm -rf conftest*
@@ -19133,12 +19138,12 @@ if test "$TOOLKIT" != "MSW"; then
                                                 for ac_func in dlopen
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:19137: checking for $ac_func" >&5
+echo "configure:19142: checking for $ac_func" >&5
 if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 19142 "configure"
+#line 19147 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -19161,7 +19166,7 @@ $ac_func();
 
 ; return 0; }
 EOF
-if { (eval echo configure:19165: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:19170: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=yes"
 else
@@ -19189,7 +19194,7 @@ EOF
 else
   echo "$ac_t""no" 1>&6
 echo $ac_n "checking for dlopen in -ldl""... $ac_c" 1>&6
-echo "configure:19193: checking for dlopen in -ldl" >&5
+echo "configure:19198: checking for dlopen in -ldl" >&5
 ac_lib_var=`echo dl'_'dlopen | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -19197,7 +19202,7 @@ else
   ac_save_LIBS="$LIBS"
 LIBS="-ldl  $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 19201 "configure"
+#line 19206 "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
@@ -19208,7 +19213,7 @@ int main() {
 dlopen()
 ; return 0; }
 EOF
-if { (eval echo configure:19212: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:19217: \"$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
@@ -19237,12 +19242,12 @@ else
                                 for ac_func in shl_load
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:19241: checking for $ac_func" >&5
+echo "configure:19246: checking for $ac_func" >&5
 if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 19246 "configure"
+#line 19251 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -19265,7 +19270,7 @@ $ac_func();
 
 ; return 0; }
 EOF
-if { (eval echo configure:19269: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:19274: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=yes"
 else
@@ -19293,7 +19298,7 @@ EOF
 else
   echo "$ac_t""no" 1>&6
 echo $ac_n "checking for dld in -lshl_load""... $ac_c" 1>&6
-echo "configure:19297: checking for dld in -lshl_load" >&5
+echo "configure:19302: checking for dld in -lshl_load" >&5
 ac_lib_var=`echo shl_load'_'dld | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -19301,7 +19306,7 @@ else
   ac_save_LIBS="$LIBS"
 LIBS="-lshl_load  $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 19305 "configure"
+#line 19310 "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
@@ -19312,7 +19317,7 @@ int main() {
 dld()
 ; return 0; }
 EOF
-if { (eval echo configure:19316: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:19321: \"$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
@@ -19351,12 +19356,12 @@ done
             for ac_func in dlerror
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:19355: checking for $ac_func" >&5
+echo "configure:19360: checking for $ac_func" >&5
 if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 19360 "configure"
+#line 19365 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -19379,7 +19384,7 @@ $ac_func();
 
 ; return 0; }
 EOF
-if { (eval echo configure:19383: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:19388: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=yes"
 else
@@ -19404,7 +19409,7 @@ EOF
 else
   echo "$ac_t""no" 1>&6
 echo $ac_n "checking for dlerror in -ldl""... $ac_c" 1>&6
-echo "configure:19408: checking for dlerror in -ldl" >&5
+echo "configure:19413: checking for dlerror in -ldl" >&5
 ac_lib_var=`echo dl'_'dlerror | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -19412,7 +19417,7 @@ else
   ac_save_LIBS="$LIBS"
 LIBS="-ldl  $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 19416 "configure"
+#line 19421 "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
@@ -19423,7 +19428,7 @@ int main() {
 dlerror()
 ; return 0; }
 EOF
-if { (eval echo configure:19427: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:19432: \"$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
@@ -19498,7 +19503,7 @@ EOF
 
   if test "$wxUSE_MSW" = 1 -a "$wxUSE_UNICODE_MSLU" = "yes"; then
         echo $ac_n "checking for main in -lunicows""... $ac_c" 1>&6
-echo "configure:19502: checking for main in -lunicows" >&5
+echo "configure:19507: checking for main in -lunicows" >&5
 ac_lib_var=`echo unicows'_'main | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -19506,14 +19511,14 @@ else
   ac_save_LIBS="$LIBS"
 LIBS="-lunicows  $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 19510 "configure"
+#line 19515 "configure"
 #include "confdefs.h"
 
 int main() {
 main()
 ; return 0; }
 EOF
-if { (eval echo configure:19517: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:19522: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_lib_$ac_lib_var=yes"
 else
@@ -19693,17 +19698,17 @@ if test "$wxUSE_MSW" = 1 -a \( "$wxUSE_DATAOBJ"       = "yes" \
 do
 ac_safe=`echo "$ac_hdr" | sed 'y%./+-%__p_%'`
 echo $ac_n "checking for $ac_hdr""... $ac_c" 1>&6
-echo "configure:19697: checking for $ac_hdr" >&5
+echo "configure:19702: 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 19702 "configure"
+#line 19707 "configure"
 #include "confdefs.h"
 #include <$ac_hdr>
 EOF
 ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:19707: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:19712: \"$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*
@@ -19779,15 +19784,22 @@ EOF
 fi
 
 if test "$wxUSE_CLIPBOARD" = "yes"; then
-    cat >> confdefs.h <<\EOF
+    if test "$wxUSE_MGL" = 1; then
+        echo "configure: warning: Clipboard not yet supported under MGL... disabled" 1>&2
+        wxUSE_CLIPBOARD=no
+    fi
+
+    if test "$wxUSE_CLIPBOARD" = "yes"; then
+        cat >> confdefs.h <<\EOF
 #define wxUSE_CLIPBOARD 1
 EOF
 
 
-        cat >> confdefs.h <<\EOF
+                cat >> confdefs.h <<\EOF
 #define wxUSE_DATAOBJ 1
 EOF
 
+    fi
 fi
 
 if test "$wxUSE_DRAG_AND_DROP" = "yes" ; then
@@ -19808,6 +19820,11 @@ if test "$wxUSE_DRAG_AND_DROP" = "yes" ; then
         wxUSE_DRAG_AND_DROP=no
     fi
 
+    if test "$wxUSE_MGL" = 1; then
+        echo "configure: warning: Drag and drop not yet supported under MGL... disabled" 1>&2
+        wxUSE_DRAG_AND_DROP=no
+    fi
+
     if test "$wxUSE_DRAG_AND_DROP" = "yes"; then
         cat >> confdefs.h <<\EOF
 #define wxUSE_DRAG_AND_DROP 1
@@ -20682,7 +20699,7 @@ SAMPLES_SUBDIRS="`echo $SAMPLES_SUBDIRS | tr -s ' ' | tr ' ' '\n' | sort | uniq
 
 
 echo $ac_n "checking whether ${MAKE-make} sets \${MAKE}""... $ac_c" 1>&6
-echo "configure:20686: checking whether ${MAKE-make} sets \${MAKE}" >&5
+echo "configure:20703: checking whether ${MAKE-make} sets \${MAKE}" >&5
 set dummy ${MAKE-make}; ac_make=`echo "$2" | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_prog_make_${ac_make}_set'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6

diff --git a/configure.in b/configure.in
index 587a2b6374a983e972a18434f8714ef75f5d1c2a..21099a736f5ed483897ae41f77fd77a1f0ba46f7 100644 (file)
--- a/configure.in
+++ b/configure.in
@@ -691,7 +691,7 @@ AC_ARG_WITH(mac,           [  --with-mac              use Mac OS X], [wxUSE_MAC=
 AC_ARG_WITH(wine,          [  --with-wine             use WINE], [wxUSE_WINE="$withval" CACHE_WINE=1 TOOLKIT_GIVEN=1])
 AC_ARG_WITH(msw,           [  --with-msw              use MS-Windows], [wxUSE_MSW="$withval" CACHE_MSW=1 TOOLKIT_GIVEN=1])
 AC_ARG_WITH(pm,            [  --with-pm               use OS/2 Presentation Manager], [wxUSE_PM="$withval" CACHE_PM=1 TOOLKIT_GIVEN=1])
-AC_ARG_WITH(mgl,           [  --with-mgl              use SciTech MGL], [wxUSE_MGL="$withval" CACHE_MGL=1 TOOLKIT_GIVEN=1])
+AC_ARG_WITH(mgl,           [  --with-mgl              use SciTech MGL], [wxUSE_MGL="$withval" wxUSE_UNIVERSAL="yes" CACHE_MGL=1 TOOLKIT_GIVEN=1])
 AC_ARG_WITH(microwin,      [  --with-microwin         use MicroWindows], [wxUSE_MICROWIN="$withval" CACHE_MICROWIN=1 TOOLKIT_GIVEN=1])
 AC_ARG_WITH(x11,           [  --with-x11              use X11], [wxUSE_X11="$withval" wxUSE_UNIVERSAL="yes" CACHE_X11=1 TOOLKIT_GIVEN=1])
 WX_ARG_ENABLE(nanox,       [  --enable-nanox          use NanoX], wxUSE_NANOX)
@@ -3856,10 +3856,15 @@ dnl ------------------------------------------------------------------------
 
 dnl VZ: the GUI hooks wxSocket needs are not implemented yet in wxX11
 if test "$wxUSE_SOCKETS" = "yes"; then
-    if test "$TOOLKIT" = "X11"; then
+    if test "$wxUSE_X11" = "1"; then
         AC_MSG_WARN([wxSocket not yet supported under X11... disabled])
         wxUSE_SOCKETS="no"
     fi
+
+    if test "$wxUSE_MGL" = "1"; then
+        AC_MSG_WARN([wxSocket not yet supported under MGL... disabled])
+        wxUSE_SOCKETS="no"
+    fi
 fi
 
 if test "$wxUSE_SOCKETS" = "yes"; then
@@ -4232,10 +4237,17 @@ if test "$wxUSE_IPC" = "yes"; then
 fi
 
 if test "$wxUSE_CLIPBOARD" = "yes"; then
-    AC_DEFINE(wxUSE_CLIPBOARD)
+    if test "$wxUSE_MGL" = 1; then
+        AC_MSG_WARN([Clipboard not yet supported under MGL... disabled])
+        wxUSE_CLIPBOARD=no
+    fi
 
-    dnl required by clipboard code in configuration check
-    AC_DEFINE(wxUSE_DATAOBJ)
+    if test "$wxUSE_CLIPBOARD" = "yes"; then
+        AC_DEFINE(wxUSE_CLIPBOARD)
+
+        dnl required by clipboard code in configuration check
+        AC_DEFINE(wxUSE_DATAOBJ)
+    fi
 fi
 
 if test "$wxUSE_DRAG_AND_DROP" = "yes" ; then
@@ -4256,6 +4268,11 @@ if test "$wxUSE_DRAG_AND_DROP" = "yes" ; then
         wxUSE_DRAG_AND_DROP=no
     fi
 
+    if test "$wxUSE_MGL" = 1; then
+        AC_MSG_WARN([Drag and drop not yet supported under MGL... disabled])
+        wxUSE_DRAG_AND_DROP=no
+    fi
+
     if test "$wxUSE_DRAG_AND_DROP" = "yes"; then
         AC_DEFINE(wxUSE_DRAG_AND_DROP)
         SAMPLES_SUBDIRS="$SAMPLES_SUBDIRS dnd"