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Auto-detect ppx_sexp_conv runtime dependencies #146

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Auto-detect ppx_sexp_conv runtime dependencies #146

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25 changes: 22 additions & 3 deletions myocamlbuild.ml
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Original file line number Diff line number Diff line change
@@ -1,5 +1,24 @@
open Ocamlbuild_plugin

let () = dispatch Ocb_stubblr.(
init & ccopt ~tags:["accelerate"] "-DACCELERATE -mssse3 -maes -mpclmul"
)
let runtime_deps_of_ppx ppx =
(Findlib.query "ppx_sexp_conv").dependencies
|> List.filter_opt (fun { Findlib.name; _ } ->
if name = ppx || name = "ppx_deriving" then
None
else
Some name)

let () = dispatch (fun hook ->
Ocb_stubblr.(
init & ccopt ~tags:["accelerate"] "-DACCELERATE -mssse3 -maes -mpclmul"
) hook;
match hook with
| After_rules ->
let meta = "pkg/META" in
let meta_in = meta ^ ".in" in
rule meta ~dep:meta_in ~prod:meta (fun _ _ ->
let deps = String.concat " " (runtime_deps_of_ppx "ppx_sexp_conv") in
Echo([String.subst "PPX_SEXP_CONV_RUNTIME" deps
(Pathname.read meta_in)],
meta))
| _ -> ())
2 changes: 1 addition & 1 deletion pkg/META → pkg/META.in
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Original file line number Diff line number Diff line change
@@ -1,6 +1,6 @@
version = "%%VERSION_NUM%%"
description = "Simple crypto for the modern age"
requires = "cstruct zarith sexplib"
requires = "cstruct zarith sexplib PPX_SEXP_CONV_RUNTIME"
archive(byte) = "nocrypto.cma"
archive(native) = "nocrypto.cmxa"
plugin(byte) = "nocrypto.cma"
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