~/Workshop/cl-sources/ecl/ecl-emscripten $ ~/Workshop/cl-sources/ecl/ecl-emscripten $ ls
COPYING          asdf.fas     ecl-cdb.fas   ecl.js        libasdf.a           libserve-event.a   serve-event.fas
LICENSE          build-stamp  ecl-config    ecl.wasm      libecl-cdb.a        package-locks.asd  share
TAGS             dpp.html     ecl-help.asd  ecl_min.html  libecl-help.a       package-locks.fas  target-info.lsp
alexandria       ecl          ecl-help.fas  encodings     libecl.so           prebuilt-asdf.asd  
alexandria.wasm  ecl-cdb.asd  ecl.html      help.doc      libpackage-locks.a  serve-event.asd    
~/Workshop/cl-sources/ecl/ecl-emscripten $ file alexandria
alexandria: JavaScript source, Unicode text, UTF-8 text, with very long lines (401)
~/Workshop/cl-sources/ecl/ecl-emscripten $ file alexandria.wasm 
alexandria.wasm: WebAssembly (wasm) binary module version 0x1 (MVP)
~/Workshop/cl-sources/ecl/ecl-emscripten $ cat ../hacks/cc-test.lisp 
(in-package "CL-USER")



;;; smoke-test
(with-compilation-unit (:target "/home/jack/Workshop/cl-sources/ecl/ecl-emscripten/target-info.lsp")
  (compile-file "/home/jack/Workshop/cl-sources/ecl/hacks/files/smoke.lisp"))

(progn
  (setf (slot-value (asdf:make-operation :compile-op) 'asdf:selfward-operation) 'asdf:prepare-source-op)
  #+ (or) (setf asdf:*load-system-operation* 'asdf:load-source-op) ;not needed
  (asdf:disable-output-translations) ; disable cache
)


(with-compilation-unit (:target "/home/jack/Workshop/cl-sources/ecl/ecl-emscripten/target-info.lsp")
  (asdf:compile-system "alexandria"))

(with-compilation-unit (:target "/home/jack/Workshop/cl-sources/ecl/ecl-emscripten/target-info.lsp")
  (let ((workdir "/home/jack/Workshop/cl-sources/ecl/hacks/files/"))
    (asdf:make-build "alexandria"
                     :type :program
                     :monolithic t
                     :epilogue-code '(progn
                                      (format t "Hello world! ~a~%" (alexandria:iota 4))
                                      (si:exit))
                     :move-here workdir)))
~/Workshop/cl-sources/ecl/ecl-emscripten $ node alexandria
warning: unsupported syscall: __syscall_prlimit64
Hello world! (0 1 2 3)
program exited (with status: 0), but keepRuntimeAlive() is set (counter=0) due to an async operation, so halting execution but not exiting the runtime or preventing further async execution (you can use emscripten_force_exit, if you want to force a true shutdown)