X-Git-Url: https://git.distorted.org.uk/~mdw/sod/blobdiff_plain/b0e21f8370fb60321f178572e2b90dfc4e2eb5b6..12949379840101e2d65883f29c5e8f0f6de49e9c:/src/frontend.lisp

diff --git a/src/frontend.lisp b/src/frontend.lisp
index 1d09382..92573e7 100644
--- a/src/frontend.lisp
+++ b/src/frontend.lisp
@@ -23,9 +23,10 @@
 ;;; along with SOD; if not, write to the Free Software Foundation,
 ;;; Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
 
-(cl:defpackage #:sod-frontend
-  (:use #:common-lisp #:sod-utilities #:optparse #:sod #:sod-parser)
-  (:shadowing-import-from #:optparse #:int))
+(eval-when (:compile-toplevel :load-toplevel :execute)
+  (handler-bind ((warning #'muffle-warning))
+    (cl:defpackage #:sod-frontend
+      (:use #:common-lisp #:sod-utilities #:optparse #:sod #:sod-parser))))
 
 (cl:in-package #:sod-frontend)
 
@@ -98,6 +99,7 @@
 	(backtracep nil)
 	(builtinsp nil)
 	(stdoutp nil)
+	(track-deps-p nil)
 	(args nil))
 
     ;; Option definitions.
@@ -145,6 +147,9 @@
 						  :print nil))))
 			   (error (error)
 			     (option-parse-error "~A" error))))))
+		(#\M "track-dependencies"
+		     "Write make(1) fragments recording dependencies."
+		     (set track-deps-p))
 		(#\p "stdout"
 		     ("Write output files to standard output.")
 		     (set stdoutp))
@@ -190,7 +195,11 @@
 			     :direction :output
 			     :if-exists :supersede
 			     :if-does-not-exist :create)
-			  (output-module module reason stream))))
+			  (output-module module reason stream))
+
+			(when track-deps-p
+			  (write-dependency-file module reason
+						 output-path))))
 
 		   ;; Error recovery.
 		   (continue ()