made it work with new fpc

launcher/build.cpp

@@ -0,0 +1,20 @@
+#include "target.h"
+#include "helper.h"
+#include "c.h"
+#include "ld.h"
+#include "tier1/utlstring.h"
+
+DECLARE_BUILD_STAGE(launcher)
+{
+	CProject_t compileProject = {};
+	LinkProject_t ldProject = {};
+
+	compileProject.m_szName = "launcher";
+	compileProject.files = {"launcher.cpp"};
+	ldProject = ccompiler->Compile(&compileProject);
+	ldProject.linkType = ELINK_EXECUTABLE;
+
+	CUtlString outputProject = linker->Link(&ldProject);
+	ADD_OUTPUT_OBJECT("launcher", outputProject);
+	return 0;
+};