X-Git-Url: http://git.tdb.fi/?a=blobdiff_plain;f=source%2Ffiletarget.cpp;h=1434372ed3b5bf6c14d6a758e4b9f28433ea7d59;hb=aa053d637e8259755af7d2e4b510a242f4d29c7b;hp=7de9b797761717ce968649931e29ea6a32b8920c;hpb=c8dfe708b5551818dad3f6cf3e86cc72fe684572;p=builder.git

diff --git a/source/filetarget.cpp b/source/filetarget.cpp
index 7de9b79..1434372 100644
--- a/source/filetarget.cpp
+++ b/source/filetarget.cpp
@@ -1,10 +1,14 @@
+#include <msp/core/algorithm.h>
 #include <msp/fs/stat.h>
 #include <msp/fs/utils.h>
 #include <msp/strings/format.h>
+#include <msp/strings/utils.h>
 #include <msp/time/utils.h>
 #include "builder.h"
 #include "filetarget.h"
 #include "sourcepackage.h"
+#include "task.h"
+#include "tool.h"
 
 using namespace std;
 using namespace Msp;
@@ -27,6 +31,8 @@ void FileTarget::init(const SourcePackage *p)
 {
 	size = 0;
 	package = p;
+	nested_build_sig = false;
+	arch_in_build_sig = false;
 
 	builder.get_vfs().register_path(path, this);
 
@@ -52,7 +58,6 @@ string FileTarget::generate_name(Builder &builder, const SourcePackage *pkg, con
 	else if(FS::descendant_depth(path, builder.get_prefix())>=0)
 	{
 		FS::Path relpath = FS::relative(path, builder.get_prefix());
-		builder.get_logger().log("debug", format("%s %s %s", path, builder.get_prefix(), relpath));
 		return "<prefix>"+relpath.str().substr(1);
 	}
 
@@ -62,44 +67,118 @@ string FileTarget::generate_name(Builder &builder, const SourcePackage *pkg, con
 void FileTarget::touch()
 {
 	mtime = Time::now();
+	modified();
 	signal_bubble_rebuild.emit();
 }
 
 void FileTarget::check_rebuild()
 {
-	if(!tool)
+	if(!tool || needs_rebuild())
 		return;
 
 	if(!mtime)
 		mark_rebuild("Does not exist");
 	else
 	{
-		for(Dependencies::iterator i=depends.begin(); (i!=depends.end() && !needs_rebuild()); ++i)
+		for(Target *d: depends)
 		{
-			FileTarget *ft = dynamic_cast<FileTarget *>(*i);
+			FileTarget *ft = dynamic_cast<FileTarget *>(d);
 			if(ft && ft->get_mtime()>mtime)
-				mark_rebuild((*i)->get_name()+" has changed");
-			else if((*i)->needs_rebuild())
-				mark_rebuild((*i)->get_name()+" needs rebuilding");
+				mark_rebuild(d->get_name()+" has changed");
+			else if(d->needs_rebuild())
+				mark_rebuild(d->get_name()+" needs rebuilding");
+			if(needs_rebuild())
+				break;
 		}
 	}
 
-	if(!needs_rebuild() && package && package->get_config().get_mtime()>mtime)
-		mark_rebuild("Package options changed");
+	if(!needs_rebuild())
+	{
+		// Some side effects might not exist
+		auto i = find_if(side_effects, [](const Target *s){ return s->needs_rebuild(); });
+		if(i!=side_effects.end())
+			mark_rebuild((*i)->get_name()+" needs rebuilding");
+	}
+
+	if(!needs_rebuild() && package)
+	{
+		if(package->get_config().get_mtime()>mtime)
+			mark_rebuild("Package options changed");
+
+		if(tool->get_executable())
+		{
+			string build_sig = create_build_signature();
+			if(package->get_cache().has_key(this, "build_sig"))
+			{
+				if(package->get_cache().get_value(this, "build_sig")!=build_sig)
+					mark_rebuild("Build signature changed");
+			}
+		}
+	}
 }
 
-Task *FileTarget::build()
+string FileTarget::create_build_signature() const
 {
-	if(tool && !builder.get_dry_run() && mtime)
-		FS::unlink(path);
+	if(!package)
+		return string();
+
+	const BuildInfo &binfo = (component ? component->get_build_info() : package->get_build_info());
+	vector<string> sigs;
+
+	if(arch_in_build_sig)
+		if(const Architecture *arch = tool->get_architecture())
+			sigs.push_back(arch->get_name());
+
+	sigs.push_back(tool->create_build_signature(binfo));
+
+	if(nested_build_sig && component)
+	{
+		vector<const Tool *> seen_tools;
+		vector<string> tool_sigs;
+		for(Target *d: depends)
+			if(const Tool *t = d->get_tool())
+				if(d->get_component()==component && !any_equals(seen_tools, t))
+				{
+					seen_tools.push_back(t);
+					tool_sigs.push_back(t->create_build_signature(binfo));
+				}
+
+		sort(tool_sigs);
+		sigs.insert(sigs.end(), make_move_iterator(tool_sigs.begin()), make_move_iterator(tool_sigs.end()));
+	}
+
+	return join(sigs.begin(), sigs.end(), ";");
+}
 
-	return Target::build();
+void FileTarget::build(Task &task)
+{
+	task.add_file(path);
+	task.set_unlink(true);
 }
 
 void FileTarget::build_finished(bool success)
 {
 	if(success)
+	{
 		stat();
+		if(package)
+		{
+			string build_sig = create_build_signature();
+			if(!build_sig.empty())
+				package->get_cache().set_value(this, "build_sig", build_sig);
+		}
+	}
 
 	Target::build_finished(success);
 }
+
+void FileTarget::clean()
+{
+	if(mtime)
+	{
+		FS::unlink(path);
+		mtime = Time::TimeStamp();
+		size = 0;
+		check_rebuild();
+	}
+}