X-Git-Url: http://git.tdb.fi/?a=blobdiff_plain;f=source%2Fsourcefile.cpp;h=f05d2035edb534b62ac8a56bc06c9bfd5b8b010c;hb=69ad3610053e140cb5108f53e4c46a0583e33559;hp=f24dd0786ea5f314ead5821735d122b98fa120e3;hpb=7aeaa4ba965f596edad438c02e345a8843f7469a;p=builder.git

diff --git a/source/sourcefile.cpp b/source/sourcefile.cpp
index f24dd07..f05d203 100644
--- a/source/sourcefile.cpp
+++ b/source/sourcefile.cpp
@@ -6,11 +6,12 @@ Distributed under the LGPL
 */
 
 #include <fstream>
+#include <iostream>
 #include <msp/strings/regex.h>
 #include "builder.h"
 #include "component.h"
-#include "package.h"
 #include "sourcefile.h"
+#include "sourcepackage.h"
 
 using namespace std;
 using namespace Msp;
@@ -26,15 +27,29 @@ from Builder.
 */
 void SourceFile::find_depends()
 {
-	ifstream in(name.c_str());
-	if(!in) return;
+	if(!comp)
+		return;
 
-	Regex r_include("^[ \t]*#include[ \t]+([\"<].*)[\">]");
+	DependencyCache &deps_cache=comp->get_package().get_deps_cache();
+	if(mtime>deps_cache.get_mtime())
+	{
+		ifstream in(name.c_str());
+		if(!in) return;
+
+		if(builder.get_verbose()>=4)
+			cout<<"Reading includes from "<<name<<'\n';
+
+		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();