X-Git-Url: http://git.tdb.fi/?a=blobdiff_plain;f=source%2Ftarget.h;h=9d804129be37eaf4c695c3e783a72b59069c02b0;hb=43bd25ffcb0b4f7882773f4676b209a99cb73c04;hp=ec23df6dfe01a03d2b0b419870d4ec503bc91ae4;hpb=e7fe6a0e161cbba80ef924f53792eded80cbb3a1;p=builder.git

diff --git a/source/target.h b/source/target.h
index ec23df6..9d80412 100644
--- a/source/target.h
+++ b/source/target.h
@@ -1,10 +1,3 @@
-/* $Id$
-
-This file is part of builder
-Copyright © 2006-2009  Mikko Rasa, Mikkosoft Productions
-Distributed under the LGPL
-*/
-
 #ifndef TARGET_H_
 #define TARGET_H_
 
@@ -23,7 +16,7 @@ typedef std::list<Target *> TargetList;
 
 /**
 Targets make up the build graph.  This class is a base for all target types and
-handles many common tasks.  Most targets are associated with a file.
+handles many common tasks.  See also FileTarget and VirtualTarget.
 */
 class Target
 {
@@ -31,7 +24,6 @@ protected:
 	Builder &builder;
 	const Package *package;
 	std::string name;
-	Msp::Time::TimeStamp mtime;
 
 	bool buildable;
 	bool building;
@@ -51,14 +43,21 @@ public:
 	virtual const char *get_type() const = 0;
 	const std::string &get_name() const { return name; }
 	const Package *get_package() const { return package; }
-	const Msp::Time::TimeStamp &get_mtime() const { return mtime; }
 
 	/**
 	Tries to locate a target that will help getting this target built.  If all
 	dependencies are up-to-date, returns this target.  If there are no targets
 	ready to be built (maybe because they are being built right now), returns 0.
 	*/
-	Target *get_buildable_target();
+	virtual Target *get_buildable_target();
+
+	/**
+	If this target is a proxy for another (such as Install or Symlink), return
+	that target.  Otherwise, return the target itself.
+
+	Implementors should call the function recursively to find the final target.
+	*/
+	virtual Target *get_real_target() { return this; }
 
 	bool is_buildable() const { return buildable; }
 	bool get_rebuild() const { return rebuild; }
@@ -84,18 +83,13 @@ public:
 	Starts building the target.  Returns the Action used for building.
 	*/
 	Action *build();
-
-	/**
-	Changes the mtime of the target to the current time.
-	*/
-	void touch();
 protected:
 	void mark_rebuild(const std::string &);
 
 	/**
 	Checks if the target needs to be rebuilt and why.
 	*/
-	virtual void check_rebuild();
+	virtual void check_rebuild() = 0;
 
 	/**
 	Creates and returns an Action suitable for building this target.