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{stdenv, fetchzip, which, ocaml, ocamlbuild}:
let
ocaml_version = (stdenv.lib.getVersion ocaml);
version = "4.03+1";
in
assert stdenv.lib.versionAtLeast ocaml_version "4.02";
stdenv.mkDerivation {
name = "camlp4-${version}";
src = fetchzip {
url = "https://github.com/ocaml/camlp4/archive/${version}.tar.gz";
sha256 = "1f2ndch6f1m4fgnxsjb94qbpwjnjgdlya6pard44y6n0dqxi1wsq";
};
buildInputs = [ which ocaml ocamlbuild ];
dontAddPrefix = true;
preConfigure = ''
configureFlagsArray=(
--bindir=$out/bin
--libdir=$out/lib/ocaml/${ocaml_version}/site-lib
--pkgdir=$out/lib/ocaml/${ocaml_version}/site-lib
)
'';
postConfigure = ''
substituteInPlace camlp4/META.in \
--replace +camlp4 $out/lib/ocaml/${ocaml_version}/site-lib/camlp4
'';
makeFlags = "all";
installTargets = "install install-META";
meta = with stdenv.lib; {
description = "A software system for writing extensible parsers for programming languages";
homepage = https://github.com/ocaml/camlp4;
platforms = ocaml.meta.platforms or [];
};
}
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