Commit 631742c8 authored by Artturin's avatar Artturin
Browse files

python311Packages.psycopg2: fix cross 

```nix
> /nix/store/iipxk03rab2vagl196i084b4918a65pn-aarch64-unknown-linux-gnu-binutils-2.40/bin/aarch64-unknown-linux-gnu-ld: skipping incompatible /nix/store/sk7c7f10fxn7iypqgaaq9l0s9ipkk0mc-postgresql-14.9-lib/lib/libpq.so when searching for -lpq
> /nix/store/iipxk03rab2vagl196i084b4918a65pn-aarch64-unknown-linux-gnu-binutils-2.40/bin/aarch64-unknown-linux-gnu-ld: cannot find -lpq: No such file or directory
> /nix/store/iipxk03rab2vagl196i084b4918a65pn-aarch64-unknown-linux-gnu-binutils-2.40/bin/aarch64-unknown-linux-gnu-ld: skipping incompatible /nix/store/sk7c7f10fxn7iypqgaaq9l0s9ipkk0mc-postgresql-14.9-lib/lib/libpq.so when searching for -lpq
```
parent f82f259f

pkgs/development/python-modules/psycopg2/default.nix

+15 −3
Original line number Diff line number Diff line
@@ -8,6 +8,7 @@ 
, openssl

, sphinxHook

, sphinx-better-theme

, buildPackages

}:



buildPythonPackage rec {
@@ -19,20 +20,29 @@ buildPythonPackage rec { 
  # c.f. https://github.com/NixOS/nixpkgs/pull/104151#issuecomment-729750892

  disabled = pythonOlder "3.6" || isPyPy;



  outputs = [ "out" "doc" ];



  src = fetchPypi {

    inherit pname version;

    hash = "sha256-pSRtLmg6ly4hh6hxS1ws+BVsBkYp+amxqHPBcw2eJFo=";

  };



  outputs = [ "out" "doc" ];

  postPatch = ''

    # Preferably upstream would not depend on pg_config because config scripts are incompatible with cross-compilation, however postgresql's pc file is lacking information.

    # some linker flags are added but the linker ignores them because they're incompatible

    # https://github.com/psycopg/psycopg2/blob/89005ac5b849c6428c05660b23c5a266c96e677d/setup.py

    substituteInPlace setup.py \

      --replace "self.pg_config_exe = self.build_ext.pg_config" 'self.pg_config_exe = "${lib.getExe' buildPackages.postgresql "pg_config"}"'

  '';



  nativeBuildInputs = [

    postgresql

    sphinxHook

    sphinx-better-theme

  ];



  buildInputs = lib.optionals stdenv.isDarwin [

  buildInputs = [

    postgresql

  ] ++ lib.optionals stdenv.isDarwin [

    openssl

  ];
@@ -45,6 +55,8 @@ buildPythonPackage rec { 
    "psycopg2"

  ];



  disallowedReferences = lib.optionals (stdenv.buildPlatform != stdenv.hostPlatform) [ buildPackages.postgresql ];



  meta = with lib; {

    description = "PostgreSQL database adapter for the Python programming language";

    homepage = "https://www.psycopg.org";