For wxGTK2, link with X11 explicitly, since we use many X11 functions directly.

Some linkers, notably newer Linux ones, don't implicitly link against dependent libs
Fixes #13100


git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@67383 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

configure

@@ -29949,12 +29949,7 @@ rm -f core conftest.err conftest.$ac_objext conftest_ipa8_conftest.oo \
   rm -f conf.gtktest
 
 
-                                        case "${host}" in
-                        *-*-solaris2* )
-                            if test "$wxUSE_SHARED" != "yes"; then
-                                GTK_LIBS="$GTK_LIBS -lX11"
-                            fi
-                    esac
+                                        GTK_LIBS="$GTK_LIBS -lX11"
                 fi
 
                                 if test -z "$wx_cv_lib_gtk"; then

configure.in

@@ -2949,13 +2949,8 @@ if test "$wxUSE_GUI" = "yes"; then
 
                     AM_PATH_GTK_2_0(2.4.0, wx_cv_lib_gtk=2.0, , $GTK_MODULES)
 
-                    dnl Solaris also requires -lX11 for static lib
-                    case "${host}" in
-                        *-*-solaris2* )
-                            if test "$wxUSE_SHARED" != "yes"; then
-                                GTK_LIBS="$GTK_LIBS -lX11"
-                            fi
-                    esac
+                    dnl we use symbols from X11 directly so we should link with it
+                    GTK_LIBS="$GTK_LIBS -lX11"
                 fi
 
                 dnl detect GTK1.x