xkcd936/bin/dune

;; https://discuss.ocaml.org/t/dune-how-to-link-statically-on-linux-not-on-others/8537/4?u=mro
(rule (with-stdout-to link_flags.sexp (run sh %{dep:gen_link_flags.sh})))

(executable
 (name xkcd936)
 (libraries Lib)
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;; Prepare for static linking
;
; http://rgrinberg.com/posts/static-binaries-tutorial/
; https://discuss.ocaml.org/t/statically-link/1464/9
; Issue https://discuss.ocaml.org/t/statically-link/1464/13
; https://www.systutorials.com/how-to-statically-link-ocaml-programs/
;
; $ date
; Tue Mar 24 11:36:40 CET 2020
; $ uname -o -m
; x86_64 GNU/Linux
; $ cat /etc/issue
; Devuan GNU/Linux 1 \n \l
;
; # on Ubuntu Bionic note
; # https://github.com/ocaml/ocaml/issues/9131#issuecomment-599765888
; $ sudo add-apt-repository -y ppa:avsm/musl
;
; $ sudo apt-get install musl-tools
; $ eval (opam env)
; $ opam switch create 4.10.0+musl+static+flambda
; $ opam switch 4.10.0+musl+static+flambda
; $ eval (opam env)
; $ opam install dune
; $ make clean build
; $ file _build/default/bin/*.exe 
; _build/default/bin/meta.exe: ELF 64-bit LSB executable, x86-64, version 1 (SYSV), statically linked, not stripped
  (link_flags (:include link_flags.sexp))
)