7869d16545
Also begin to start work on cross compilation, though that will have to
be finished later.
The patches are based on the first version of
https://reviews.llvm.org/D99484. It's very annoying to do the
back-porting but the review has uncovered nothing super major so I'm
fine sticking with what I've got.
Beyond making the outputs work, I also strove to re-sync the packages,
as they have been drifting pointlessly apart for some time.
----
Other misc notes, highly incomplete
- lvm-config-native and llvm-config are put in `dev` because they are
tools just for build time.
- Clang no longer has an lld dep. That was introduced in
db29857eb3, but if clang needs help
finding lld when it is used we should just pass it flags / put in the
resource dir. Providing it at build time increases critical path
length for no good reason.
----
A note on `nativeCC`:
`stdenv` takes tools from the previous stage, so:
1. `pkgsBuildBuild`: `(?1, x, x)`
2. `pkgsBuildBuild.stdenv.cc`: `(?0, ?1, x)`
while:
1. `pkgsBuildBuild`: `(?1, x, x)`
2. `pkgsBuildBuild.targetPackages`: `(x, x, ?2)`
3. `pkgsBuildBuild.targetPackages.stdenv.cc`: `(?1, x, x)`
47 lines
1.2 KiB
Nix
47 lines
1.2 KiB
Nix
{ stdenv, lib, fetchpatch, python, cmake, libllvm, ocaml, findlib, ctypes }:
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let version = lib.getVersion libllvm; in
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stdenv.mkDerivation {
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pname = "ocaml-llvm";
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inherit version;
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inherit (libllvm) src;
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nativeBuildInputs = [ cmake ];
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buildInputs = [ python ocaml findlib ctypes ];
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propagatedBuildInputs = [ libllvm ];
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patches = [ (fetchpatch {
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url = "https://raw.githubusercontent.com/ocaml/opam-repository/2bdc193f5a9305ea93bf0f0dfc1fbc327c8b9306/packages/llvm/llvm.7.0.0/files/fix-shared.patch";
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sha256 = "1p98j3b1vrryfn1xa7i50m6mmm4dyw5ldafq6kyh9sfmdihz4zsx";
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})];
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cmakeFlags = [
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"-DLLVM_OCAML_OUT_OF_TREE=TRUE"
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"-DLLVM_OCAML_INSTALL_PATH=${placeholder "out"}/ocaml"
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"-DLLVM_OCAML_EXTERNAL_LLVM_LIBDIR=${lib.getLib libllvm}/lib"
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];
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buildFlags = [ "ocaml_all" ];
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installFlags = [ "-C" "bindings/ocaml" ];
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postInstall = ''
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mkdir -p $OCAMLFIND_DESTDIR/
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mv $out/ocaml $OCAMLFIND_DESTDIR/llvm
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mv $OCAMLFIND_DESTDIR/llvm/META{.llvm,}
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'';
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passthru = {
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inherit libllvm;
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};
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meta = {
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inherit (libllvm.meta) license homepage;
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platforms = ocaml.meta.platforms or [];
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description = "OCaml bindings distributed with LLVM";
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maintainers = with lib.maintainers; [ vbgl ];
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};
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}
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