X-Git-Url: http://git.tdb.fi/?a=blobdiff_plain;f=source%2Ftarget.cpp;h=f9fe16b28720c2f3a9628fd99ea27faeabd35a1d;hb=7c86449343bab284071716f1d0606d67e720b8ad;hp=7f031ec2dd384a1b86e0e4f61f7797d4f0803798;hpb=0d95fee118a3fcd78f153dca5721d9fe19b6f6bf;p=builder.git

diff --git a/source/target.cpp b/source/target.cpp
index 7f031ec..f9fe16b 100644
--- a/source/target.cpp
+++ b/source/target.cpp
@@ -1,3 +1,4 @@
+#include <algorithm>
 #include <msp/fs/stat.h>
 #include <msp/fs/utils.h>
 #include <msp/strings/format.h>
@@ -32,13 +33,22 @@ void Target::add_dependency(Target &dep)
 		dep.signal_bubble_rebuild.connect(sigc::mem_fun(this, &Target::check_rebuild));
 }
 
+void Target::add_transitive_dependency(Target &dep)
+{
+	if(&dep==this)
+		throw invalid_argument("Target::add_transitive_dependency");
+	trans_depends.push_back(&dep);
+}
+
 void Target::add_side_effect(Target &se)
 {
 	side_effects.push_back(&se);
-	se.add_dependency(*this);
 	if(tool)
 		se.set_tool(*tool);
 	se.primary_target = this;
+	/* Side effects are checked for rebuild after the primary target.  Recheck
+	the primary if a side effect is marked for rebuild. */
+	se.signal_bubble_rebuild.connect(sigc::mem_fun(this, &Target::check_rebuild));
 }
 
 Target *Target::get_buildable_target()
@@ -51,6 +61,10 @@ Target *Target::get_buildable_target()
 	bool self_ok = state!=BUILDING;
 	for(Dependencies::iterator i=depends.begin(); i!=depends.end(); ++i)
 	{
+		// Avoid infinite recursion if a target repends on its own side effect
+		if(find(side_effects.begin(), side_effects.end(), *i)!=side_effects.end())
+			continue;
+
 		Target *tgt = (*i)->get_buildable_target();
 		if(tgt)
 			return tgt;
@@ -126,6 +140,8 @@ void Target::prepare()
 		(*i)->prepare();
 		broken |= (*i)->is_broken();
 	}
+	for(Dependencies::iterator i=trans_depends.begin(); i!=trans_depends.end(); ++i)
+		(*i)->prepare();
 
 	check_rebuild();
 	if(broken)
@@ -139,10 +155,17 @@ void Target::prepare()
 
 Task *Target::build()
 {
+	if(primary_target)
+		return primary_target->build();
+
 	Task *task = tool->run(*this);
 	task->signal_finished.connect(sigc::mem_fun(this, &Target::build_finished));
 	state = BUILDING;
 
+	build(*task);
+	for(Dependencies::const_iterator i=side_effects.begin(); i!=side_effects.end(); ++i)
+		(*i)->build(*task);
+
 	return task;
 }
 
@@ -154,5 +177,6 @@ void Target::build_finished(bool success)
 		modified();
 		for(Dependencies::const_iterator i=side_effects.begin(); i!=side_effects.end(); ++i)
 			(*i)->build_finished(success);
+		signal_modified.emit();
 	}
 }