$NetBSD: patch-scripts_nm-list,v 1.2 2022/12/25 18:03:42 wiz Exp $

Use sha1(1) where available.
https://github.com/gtk-gnutella/gtk-gnutella/pull/34

--- scripts/nm-list.orig	2022-02-25 16:06:18.000000000 +0000
+++ scripts/nm-list
@@ -48,11 +48,17 @@ fi
 
 # See whether their native sha1sum executable will work, if present at all
 SHA1SUM=sha1sum
+FIELD=1
 empty=`$SHA1SUM /dev/null 2>/dev/null | cut -f1 -d' '`
+empty2=`sha1 /dev/null | cut -f4 -d' '`
 case "$empty" in
 da39a3ee5e6b4b0d3255bfef95601890afd80709) ;;
 *) SHA1SUM=$TOP/src/bin/sha1sum ;;
 esac
+case "$empty2" in
+da39a3ee5e6b4b0d3255bfef95601890afd80709) FIELD=4; SHA1SUM=sha1;;
+*);;
+esac
 
 if
 	date=`date --utc \
@@ -62,14 +68,14 @@ then
 else
 	date=`date -jr ${SOURCE_DATE_EPOCH:-$(date +%s)}`
 fi
-sha1=`$SHA1SUM $file 2>/dev/null | cut -f1 -d' '`
+sha1=`$SHA1SUM $file 2>/dev/null | cut -f$FIELD -d' '`
 case "$sha1" in
 '')	echo "Failed to compute SHA1 of $file" >&2; exit 1;;
 esac
 
 cp $file $TMP
 if strip $TMP 2>/dev/null; then
-	stripped_sha1=`$SHA1SUM $TMP 2>/dev/null | cut -f1 -d' '`
+	stripped_sha1=`$SHA1SUM $TMP 2>/dev/null | cut -f$FIELD -d' '`
 fi
 rm -f $TMP