X-Git-Url: http://git.tdb.fi/?a=blobdiff_plain;f=source%2Fsourcefile.cpp;h=57866aa274565c3b088f285abb1b2c234223f8bf;hb=8bc8db44c47cd2906c57dccbfb589e41eff7f694;hp=7be7889974c4733faf923b8be4b9563a4f970d50;hpb=445edbc3c42bbd7880cc414cf153ddfd196bfc1c;p=builder.git

diff --git a/source/sourcefile.cpp b/source/sourcefile.cpp
index 7be7889..57866aa 100644
--- a/source/sourcefile.cpp
+++ b/source/sourcefile.cpp
@@ -1,3 +1,10 @@
+/* $Id$
+
+This file is part of builder
+Copyright © 2006-2007 Mikko Rasa, Mikkosoft Productions
+Distributed under the LGPL
+*/
+
 #include <fstream>
 #include <msp/strings/regex.h>
 #include "builder.h"
@@ -19,15 +26,23 @@ from Builder.
 */
 void SourceFile::find_depends()
 {
-	ifstream in(name.c_str());
-	if(!in) return;
+	DependencyCache &deps_cache=comp->get_package().get_deps_cache();
+	if(mtime>deps_cache.get_mtime())
+	{
+		ifstream in(name.c_str());
+		if(!in) return;
+
+		Regex r_include("^[ \t]*#include[ \t]+([\"<].*)[\">]");
 
-	Regex r_include("^[ \t]*#include[ \t]+([\"<].*)[\">]");
+		string line;
+		while(getline(in, line))
+			if(RegMatch match=r_include.match(line))
+				includes.push_back(match[1].str);
 
-	string line;
-	while(getline(in, line))
-		if(RegMatch match=r_include.match(line))
-			includes.push_back(match[1].str);
+		deps_cache.set_deps(name, includes);
+	}
+	else
+		includes=deps_cache.get_deps(name);
 
 	const StringList &incpath=comp->get_build_info().incpath;
 	const string &arch=comp->get_package().get_arch();