(env
 (default
  (c_flags "-DTEST_C")
  (cxx_flags "-DTEST_CPP")))

(rule
 (targets foo.exe)
 (deps foo.c)
 (action (run %{cc} -o %{targets} %{deps})))

(rule
 (targets bar.exe)
 (deps bar.cpp)
 (action (run %{cxx} -o %{targets} %{deps})))

