1 files changed, 20 insertions, 0 deletions
diff --git a/toolsrc/src/commands_build_external.cpp b/toolsrc/src/commands_build_external.cpp
new file mode 100644
index 000000000..06bd1374c
--- /dev/null
+++ b/toolsrc/src/commands_build_external.cpp
@@ -0,0 +1,20 @@
+#include "pch.h"
+#include "vcpkg_Commands.h"
+#include "vcpkg_System.h"
+#include "vcpkg_Environment.h"
+#include "vcpkg_Input.h"
+
+namespace vcpkg::Commands::BuildExternal
+{
+    void perform_and_exit(const vcpkg_cmd_arguments& args, const vcpkg_paths& paths, const triplet& default_target_triplet)
+    {
+        static const std::string example = Commands::Help::create_example_string(R"(build_external zlib2 C:\path\to\dir\with\controlfile\)");
+        args.check_exact_arg_count(2, example);
+        const package_spec spec = Input::check_and_get_package_spec(args.command_arguments.at(0), default_target_triplet, example);
+        Input::check_triplet(spec.target_triplet(), paths);
+        const std::unordered_set<std::string> options = args.check_and_get_optional_command_arguments({});
+
+        const fs::path port_dir = args.command_arguments.at(1);
+        Build::perform_and_exit(spec, port_dir, options, paths);
+    }
+}