X-Git-Url: https://diplodocus.org/git/nmh/blobdiff_plain/29114cb84aa1a6446ab62f79f7c5dbae78516a07..4a78cbcd4fa986d9c1e7bd0a5a4bdb619faeb7cb:/docs/contrib/build_nmh

diff --git a/docs/contrib/build_nmh b/docs/contrib/build_nmh
index cb2265cb..66383acf 100755
--- a/docs/contrib/build_nmh
+++ b/docs/contrib/build_nmh
@@ -119,6 +119,11 @@ finddir() {
   esac
 }
 
+#### Figure out whether or not to use -n with tail.
+case `printf 'OK\n' | tail -n 1 2>&1` in
+  OK) tail='tail -n ' ;;
+  *)  tail='tail -' ;;
+esac
 
 if install-mh -check >/dev/null 2>&1; then
   # Determine config options from installed nmh.
@@ -152,10 +157,12 @@ if install-mh -check >/dev/null 2>&1; then
 
       case `$mhbin/mhparam tls` in
         *tls*) config_tls=y ;;
-     esac
+      esac
     else
-      echo "$0: -y not supported with currently installed nmh"
-      exit 1
+      tput smso
+      echo "$0: SASL and TLS detection not supported with current nmh"
+      [ $yes -eq 1 ]  &&  echo "will not configure either one in"
+      tput rmso
     fi
   fi
 fi
@@ -290,7 +297,7 @@ if [ $status -eq 0 ]; then
       echo "$tests_summary" >>"$logfile"
       echo '===================' >>"$logfile"
       [ "$check" = distcheck ]  &&  \
-        echo "$checkoutput" | tail -n 4 >>"$logfile"
+        echo "$checkoutput" | ${tail}4 >>"$logfile"
     fi
 
     if [ $status -eq 0 ]; then