From: Mikko Rasa <tdb@tdb.fi>
Date: Sun, 12 Mar 2023 13:18:10 +0000 (+0200)
Subject: Use a covariant return type for get_real_target in FileTarget
X-Git-Url: http://git.tdb.fi/?p=builder.git;a=commitdiff_plain;h=e7370dbd2bde63d0d12f73d8606b3992954f40ce

Use a covariant return type for get_real_target in FileTarget
---

diff --git a/source/lib/filetarget.h b/source/lib/filetarget.h
index 64128d6..4a969b8 100644
--- a/source/lib/filetarget.h
+++ b/source/lib/filetarget.h
@@ -37,6 +37,8 @@ public:
 	/// Changes the mtime of the target to the current time.
 	void touch();
 
+	FileTarget *get_real_target() override { return this; }
+
 protected:
 	void check_rebuild() override;
 
diff --git a/source/lib/installedfile.cpp b/source/lib/installedfile.cpp
index bf542b0..78a7c3a 100644
--- a/source/lib/installedfile.cpp
+++ b/source/lib/installedfile.cpp
@@ -54,7 +54,7 @@ void InstalledFile::set_symlink(const FS::Path &l)
 	builder.get_vfs().register_path(link, this);
 }
 
-Target *InstalledFile::get_real_target()
+FileTarget *InstalledFile::get_real_target()
 {
 	return source.get_real_target();
 }
diff --git a/source/lib/installedfile.h b/source/lib/installedfile.h
index e9dfe17..3037982 100644
--- a/source/lib/installedfile.h
+++ b/source/lib/installedfile.h
@@ -29,7 +29,7 @@ public:
 
 	const Msp::FS::Path &get_symlink() const { return link; }
 
-	Target *get_real_target() override;
+	FileTarget *get_real_target() override;
 private:
 	void check_rebuild() override;
 
diff --git a/source/lib/objectfile.cpp b/source/lib/objectfile.cpp
index 63a8e6b..46ec607 100644
--- a/source/lib/objectfile.cpp
+++ b/source/lib/objectfile.cpp
@@ -52,7 +52,7 @@ void ObjectFile::find_dependencies(FileTarget &tgt, vector<FileTarget *> &header
 {
 	tgt.prepare();
 
-	FileTarget *rtgt = dynamic_cast<FileTarget *>(tgt.get_real_target());
+	FileTarget *rtgt = tgt.get_real_target();
 	Dependencies deps_to_add = rtgt->get_transitive_dependencies();
 	if(rtgt!=&tgt)
 	{