configure: Add GNU/kFreeBSD detection.

configure

@@ -6854,7 +6854,7 @@ eval ac_res=\$$as_ac_var
 $as_echo "$ac_res" >&6; }
 if test `eval 'as_val=${'$as_ac_var'};$as_echo "$as_val"'` = yes; then :
   case $host_os in
-                           freebsd*)  LDEXECFLAGS="$LDEXECFLAGS -Wl,--section-start,.interp=0x60000400" ;;
+                           freebsd* | kfreebsd*-gnu) LDEXECFLAGS="$LDEXECFLAGS -Wl,--section-start,.interp=0x60000400" ;;
                            *) LDEXECFLAGS="$LDEXECFLAGS -Wl,--section-start,.interp=0x7bf00400" ;;
                            esac
 

configure.ac

@@ -824,7 +824,7 @@ case $host_os in
         *i[[3456789]]86* | x86_64)
           WINE_TRY_CFLAGS([-Wl,--section-start,.interp=0x7bf00400],
                           [case $host_os in
-                           freebsd*)  LDEXECFLAGS="$LDEXECFLAGS -Wl,--section-start,.interp=0x60000400" ;;
+                           freebsd* | kfreebsd*-gnu) LDEXECFLAGS="$LDEXECFLAGS -Wl,--section-start,.interp=0x60000400" ;;
                            *) LDEXECFLAGS="$LDEXECFLAGS -Wl,--section-start,.interp=0x7bf00400" ;;
                            esac
                           ])

libs/wine/ldt.c

@@ -384,7 +384,7 @@ unsigned short wine_ldt_alloc_fs(void)
             if (errno != ENOSYS) perror( "set_thread_area" );
         }
         else global_fs_sel = (ldt_info.entry_number << 3) | 3;
-#elif defined(__FreeBSD__)
+#elif defined(__FreeBSD__) || defined (__FreeBSD_kernel__)
         global_fs_sel = GSEL( GUFS_SEL, SEL_UPL );
 #endif
     }

tools/winebuild/main.c

@@ -65,7 +65,7 @@ enum target_cpu target_cpu = CPU_ARM;
 
 #ifdef __APPLE__
 enum target_platform target_platform = PLATFORM_APPLE;
-#elif defined(__FreeBSD__)
+#elif defined(__FreeBSD__) || defined(__FreeBSD_kernel__)
 enum target_platform target_platform = PLATFORM_FREEBSD;
 #elif defined(__sun)
 enum target_platform target_platform = PLATFORM_SOLARIS;