[Usr] Add a test process to spawn from Teton.

usr/testbed/CMakeLists.txt

@@ -0,0 +1,21 @@
+
+add_executable(testbed
+  test.cpp
+  )
+
+target_include_directories(testbed
+   PRIVATE ${CMAKE_CURRENT_SOURCE_DIR})
+
+target_link_libraries(testbed
+  mammoth
+)
+
+set(CMAKE_SHARED_LIBRARY_LINK_CXX_FLAGS "")
+
+set_target_properties(testbed PROPERTIES
+  COMPILE_FLAGS "${CMAKE_CXX_FLAGS} ${BASE_COMPILE_FLAGS}"
+  LINK_FLAGS "${CMAKE_EXE_LINK_FLAGS} ${BASE_LINK_FLAGS}"
+)
+
+install(TARGETS testbed DESTINATION usr/bin)
+

usr/testbed/test.cpp

@@ -0,0 +1,7 @@
+#include <mammoth/util/debug.h>
+
+uint64_t main(uint64_t init_port_cap) {
+  dbgln("testbed");
+
+  return glcr::OK;
+}