core/pkgs/build-support/php/build-pecl.nix

{ stdenv, lib, php, autoreconfHook, fetchurl, re2c, nix-update-script }:

{ pname, version, internalDeps ? [ ], peclDeps ? [ ], buildInputs ? [ ]
, nativeBuildInputs ? [ ], postPhpize ? "", makeFlags ? [ ], src ? fetchurl ({
  url = "https://pecl.php.net/get/${pname}-${version}.tgz";
} // lib.filterAttrs (attrName: _: lib.elem attrName [ "sha256" "hash" ]) args)
, passthru ? { }, ... }@args:

stdenv.mkDerivation (args // {
  name = "php-${pname}-${version}";
  extensionName = pname;

  inherit src;

  nativeBuildInputs = [ autoreconfHook re2c ] ++ nativeBuildInputs;
  buildInputs = [ php ] ++ peclDeps ++ buildInputs;

  makeFlags = [ "EXTENSION_DIR=$(out)/lib/php/extensions" ] ++ makeFlags;

  autoreconfPhase = ''
    phpize
    ${postPhpize}
    ${lib.concatMapStringsSep "\n"
    (dep: "mkdir -p ext; ln -s ${dep.dev}/include ext/${dep.extensionName}")
    internalDeps}
  '';
  checkPhase = "NO_INTERACTON=yes make test";

  passthru = passthru // {
    # Thes flags were introduced for `nix-update` so that it can update
    # PHP extensions correctly.
    # See the corresponding PR: https://github.com/Mic92/nix-update/pull/123
    isPhpExtension = true;
    updateScript = nix-update-script { };
  };
})