1 files changed, 9 insertions, 0 deletions
diff --git a/src/libctor.h b/src/libctor.h
index b539910..14fdf1d 100644
--- a/src/libctor.h
+++ b/src/libctor.h
@@ -9,6 +9,7 @@
 #include <map>
 #include <variant>
 #include <cstddef>
+#include <functional>
 
 enum class TargetType
 {
@@ -20,6 +21,7 @@ enum class TargetType
 	Object,
 	UnitTest,
 	UnitTestLib,
+	Function,
 };
 
 enum class Language
@@ -69,6 +71,12 @@ struct Settings
 	int verbose{0}; // -1: completely silent, 0: normal, 1: verbose, ...
 };
 
+struct BuildConfiguration;
+using GeneratorCb = std::function<int(const std::string& input,
+                                      const std::string& output,
+                                      const BuildConfiguration& config,
+                                      const Settings& settings)>;
+
 struct BuildConfiguration
 {
 	std::string name; // Name - used for referring in other configurations.
@@ -79,6 +87,7 @@ struct BuildConfiguration
 	std::vector<std::string> depends; // internal target dependencies
 	Flags flags;
 	std::vector<std::string> externals; // externals used by this configuration
+	GeneratorCb function;
 };
 
 using BuildConfigurations = std::vector<BuildConfiguration>;