--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mk/agfile-rules.sh	Sat Dec 22 17:52:45 2007 -0500
@@ -0,0 +1,73 @@
+#!/bin/sh
+# agfile-rules.sh - generate make rules for AG files
+# usage: agfile-rules.sh here|srcdir "syns" "output-extension" > rules.mk
+
+if [ $# != 3 ]; then
+    echo "$0: usage: $0 here|srcdir 'syns' 'output-extension'" 1>&2
+    exit 1
+fi
+
+WHERE="$1"
+SYNS="$2"
+EXT="$3"
+
+case "$WHERE" in
+    here|srcdir) ;;
+    *) echo "$0: deposit location must be either 'here' or 'srcdir'"
+       exit 1
+       ;;
+esac
+
+if [ "x$SYNS" = x ]; then
+    echo 'agfiles agclean:;'
+    exit 0
+fi
+
+for S in $SYNS; do
+    echo $S | awk '
+	{
+	    syn=$1;
+	    base=syn;
+	    sub("\\.syn$", "", base);
+	    cout=base ext;
+	    hout=base ".h";
+
+	    if (where == "srcdir") {
+		dcout = "$(SRCDIR)/" cout;
+		dhout = "$(SRCDIR)/" hout;
+	    }
+	    else {
+		dcout = cout;
+		dhout = hout;
+	    }
+
+	    printf "agfiles: %s %s\n", dcout, dhout;
+	    printf "%s %s: $(SRCDIR)/%s\n", dcout, dhout, syn;
+	    printf "\t@echo \"        [AGCL]    %-12s $(AGCLQUAL)\"\n", syn;
+
+	    printf "\t@$(AGCL) $(SRCDIR)/%s\n", syn;
+	    if (where == "srcdir") {
+		printf "\t@mv %s %s\n", cout, dcout;
+		printf "\t@mv %s %s\n", hout, dhout;
+	    }
+	}
+    ' "ext=$EXT" "where=$WHERE"
+done
+
+echo $SYNS | tr ' ' '\n' | sed 's/.syn$//' | awk '
+    BEGIN { printf "agclean:\n"; }
+    {
+	base = $1;
+	if (where == "srcdir") {
+	    base = "$(SRCDIR)/" base;
+	}
+
+	printf "\t@echo \"        [RM]      %s%s %s.h\"\n", base, ext, base;
+	printf "\t@rm -f %s%s %s.h\n", base, ext, base;
+    }
+' "ext=$EXT" "where=$WHERE"
+
+if [ $WHERE = here ]; then
+    echo 'clean: agclean'
+    echo 'beforeall: agfiles'
+fi