Make $PROGPATH configurable

platformio/builder/tools/platformio.py

@@ -75,10 +75,7 @@ def BuildProgram(env):
         env.Prepend(_LIBFLAGS="-Wl,--start-group ")
         env.Append(_LIBFLAGS=" -Wl,--end-group")
 
-    program = env.Program(
-        os.path.join("$BUILD_DIR", env.subst("$PROGNAME$PROGSUFFIX")),
-        env["PIOBUILDFILES"],
-    )
+    program = env.Program("$PROGPATH", env["PIOBUILDFILES"])
     env.Replace(PIOMAINPROG=program)
 
     AlwaysBuild(

tests/commands/test_run.py

@@ -47,7 +47,7 @@ Import("env")
 def post_prog_action(source, target, env):
     print("post_prog_action is called")
 
-env.AddPostAction("$PROG_PATH", post_prog_action)
+env.AddPostAction("$PROGPATH", post_prog_action)
     """
     )
     tmpdir.join("post_script.py").write(