From ec442f970358dd67c2dbc20bba3f50d1a7197829 Mon Sep 17 00:00:00 2001
From: Mike Buland <eichlan@xagasoft.com>
Date: Thu, 8 Feb 2007 22:13:27 +0000
Subject: build doesn't tollerate duplicates anymore.

---
 src/rule.cpp       | 19 +++++++++++++++++++
 src/targetfile.cpp | 20 ++++++++++++++++++++
 2 files changed, 39 insertions(+)

diff --git a/src/rule.cpp b/src/rule.cpp
index 2f87d85..7924ba4 100644
--- a/src/rule.cpp
+++ b/src/rule.cpp
@@ -3,6 +3,8 @@
 #include "function.h"
 #include "perform.h"
 
+#include <set>
+
 Rule::Rule() :
 	pAggregate( NULL )
 {
@@ -46,6 +48,23 @@ StringList Rule::execute( Build &bld, StringList &lInput, PerformList &lPerf, bo
 		lProduces.push_back( sTarget );
 	}
 
+	{
+		std::set<std::string> sUsed;
+		for( StringList::iterator i = lInput.begin(); i != lInput.end(); i++ )
+		{
+isuck:		if( i == lInput.end() ) break;
+			if( sUsed.find( *i ) != sUsed.end() )
+			{
+				StringList::iterator j = i;
+				j++;
+				lInput.erase( i );
+				i = j;
+				goto isuck;
+			}
+			sUsed.insert( *i );
+		}
+	}
+
 	StringList lNewOut;
 	if( pAggregate )
 	{
diff --git a/src/targetfile.cpp b/src/targetfile.cpp
index 4cf5361..73cd3ff 100644
--- a/src/targetfile.cpp
+++ b/src/targetfile.cpp
@@ -6,6 +6,8 @@
 #include "function.h"
 #include "viewer.h"
 
+#include <set>
+
 PluginInterface2(file, TargetFile, Target, "Mike Buland", 0, 1 );
 
 TargetFile::TargetFile()
@@ -23,6 +25,24 @@ void TargetFile::check( Build &bld )
 	pRule->setTarget( getName() );
 	StringList lFinal = pRule->execute( bld, getInput(), lPerf );
 
+	{
+		std::set<std::string> sUsed;
+		for( PerformList::iterator i = lPerf.begin(); i != lPerf.end(); i++ )
+		{
+isuck:		if( i == lPerf.end() ) break;
+			if( sUsed.find( (*i)->getTarget() ) != sUsed.end() )
+			{
+				PerformList::iterator j = i;
+				j++;
+				delete *i;
+				lPerf.erase( i );
+				i = j;
+				goto isuck;
+			}
+			sUsed.insert( (*i)->getTarget() );
+		}
+	}
+
 	bld.getView()->beginPerforms( lPerf.size() );
 
 	for( PerformList::iterator i = lPerf.begin(); i != lPerf.end(); i++ )
-- 
cgit v1.2.3