Initial rework

examples/archive/chinookfile

@@ -0,0 +1,13 @@
+name: archive
+gpid: examples
+semv: 1.0.0
+
+targets:
+- name: example
+  type: archive
+  srcs: [./example.cpp]
+
+- name: hello
+  type: program
+  deps: [example]
+  srcs: [./entry.cpp]

examples/archive/entry.cpp

@@ -0,0 +1,5 @@
+extern "C" void print(const char* str);
+
+int main() {
+  print("Hello, World!");
+}

examples/archive/example.cpp

@@ -0,0 +1,11 @@
+#include <iostream>
+#if __cplusplus >= 202302L
+#  define do_print(x) std::print(x)
+#else // Old C++ version.
+#  define do_print(x) std::cout << x << std::endl
+#endif // Check C++ version.
+
+
+extern "C" void print(const char* str) {
+  do_print(str);
+}