Use a covariant return type for get_real_target in FileTarget

[builder.git] / source / lib / filetarget.h

diff --git a/source/lib/filetarget.h b/source/lib/filetarget.h
index d2ed71954010be4e8824ceba73e9665dab8d583c..4a969b81b2d138a6164d4ce3942896e28ab40fd1 100644 (file)
--- a/source/lib/filetarget.h
+++ b/source/lib/filetarget.h
@@ -2,13 +2,14 @@
 #define FILETARGET_H_
 
 #include <msp/fs/path.h>
+#include "libbuilder_api.h"
 #include "target.h"
 
 /**
 An intermediate base class for targets that represent files.  Almost all target
 classes are derived from this.
 */
-class FileTarget: public Target
+class LIBBUILDER_API FileTarget: public Target
 {
 protected:
        Msp::FS::Path path;
@@ -18,8 +19,8 @@ protected:
        bool nested_build_sig = false;
        bool arch_in_build_sig = false;
 
-       FileTarget(Builder &b, const Msp::FS::Path &a): FileTarget(b, 0, a) { }
-       FileTarget(Builder &b, const SourcePackage &p, const Msp::FS::Path &a): FileTarget(b, &p, a) { }
+       FileTarget(Builder &b, const Msp::FS::Path &a);
+       FileTarget(Builder &b, const SourcePackage &p, const Msp::FS::Path &a);
 private:
        FileTarget(Builder &, const SourcePackage *, const Msp::FS::Path &);
        void stat();
@@ -36,6 +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;