Add new test, ocaml give a strange error

test/jbuild

@@ -111,5 +111,10 @@
   (deps ((files_recursively_in workspaces/output_obj)))
   (action
    (chdir workspaces/output_obj
-    (run ${exe:run.exe} --
-     ${bin:jbuilder} build -j1 --root . @all )))))
+    (progn
+      (run ${exe:run.exe} -log log1 -- ${bin:jbuilder} build -j1 --root . --only stub )
+      (run ${exe:run.exe} -log log_native2 -- ${bin:jbuilder} exec -j1 --root . stub_native true )
+      (run ${exe:run.exe} -log log_native3 -inverse -- ${bin:jbuilder} exec -j1 --root . stub_native fail )
+      (run ${exe:run.exe} -log log_byte2 -- ${bin:jbuilder} exec -j1 --root . stub_byte true )
+      (run ${exe:run.exe} -log log_byte3 -inverse -- ${bin:jbuilder} exec -j1 --root . stub_byte fail )
+      )))))

test/workspaces/output_obj/jbuild

@@ -11,7 +11,19 @@
 ))
 
 (rule (
-   (targets (stub))
-   (deps (stub.c test.exe.o test.so))
-   (action (run cc -o stub -I ${ocaml_where} -I . -ltest stub.c))
+   (targets (stub_native))
+   (deps (stub.c test.exe.o))
+   (action (run cc -o stub -I ${ocaml_where} -I . test.exe.o -lm -ldl stub.c))
+))
+
+(rule (
+   (targets (stub_byte))
+   (deps (stub.c test.bc.o))
+   (action (run cc -o stub -I ${ocaml_where} -I . test.bc.o -lm -ldl stub.c))
+))
+
+(install (
+  (section bin)
+  (files (stub_native stub_byte))
+  (package stub)
 ))

test/workspaces/output_obj/stub.c

@@ -3,7 +3,7 @@
 #include <caml/callback.h>
 #include <caml/memory.h>
 
-int main(char ** argv){
+int main(int argc, char ** argv){
 
   caml_startup(argv);
   return 0;

test/workspaces/output_obj/test.ml

@@ -1 +1,3 @@
-let () = print_string "Test!!"
+let () = Printf.printf "Test!!\n%!"
+
+let () = if Sys.argv.(1) = "fail" then assert false