use the new mlinks tool to generate man links

man/update_links.sh

@@ -1,18 +1,19 @@
 #!/bin/sh
 
 # Run this periodically to ensure that the manpage links are up to date
+(
+    cd /usr/src/usr.bin/mandoc/
+    make obj
+    make cleandir
+    make depend
+    make
+    cd /usr/src/regress/usr.bin/mandoc/db/mlinks/
+    make obj
+    make cleandir
+    make
+)
+
+makewhatis -a .
 
 echo "# This is an auto-generated file by $0" > links
-doas makewhatis
-for i in `ls -1 *.3`; do
-  name=`echo $i|cut -d. -f1`
-  links=`sqlite3 /usr/share/man/mandoc.db \
-    "select names.name from mlinks,names where mlinks.name='$name' and mlinks.pageid=names.pageid;"`
-  for j in $links; do
-    a=`echo "x$j" | tr '[:upper:]' '[:lower:]'`
-    b=`echo "x$name" | tr '[:upper:]' '[:lower:]'`
-    if [[ $a != $b && $a != *"<type>"* ]]; then
-      echo $name.3,$j.3 >> links
-    fi
-  done
-done
+/usr/src/regress/usr.bin/mandoc/db/mlinks/obj/mlinks mandoc.db | sort >> links