minimal-bootstrap.gnupatch: init at 2.5.9

    tinycc-bootstrappable = callPackage ./tinycc/bootstrappable.nix { };

    tinycc-mes = callPackage ./tinycc/mes.nix { };

    gnupatch = callPackage ./gnupatch { tinycc = tinycc-mes; };

  })

{ lib

, runCommand

, fetchurl

, tinycc

}:

let

  pname = "gnupatch";

  # 2.6.x and later use features not implemented in mes-libc (eg. quotearg.h)

  version = "2.5.9";

  src = fetchurl {

    url = "mirror://gnu/patch/patch-${version}.tar.gz";

    sha256 = "12nv7jx3gxfp50y11nxzlnmqqrpicjggw6pcsq0wyavkkm3cddgc";

  };

  # Thanks to the live-bootstrap project!

  # https://github.com/fosslinux/live-bootstrap/blob/1bc4296091c51f53a5598050c8956d16e945b0f5/sysa/patch-2.5.9/mk/main.mk

  CFLAGS = [

    "-I."

    "-DHAVE_DECL_GETENV"

    "-DHAVE_DECL_MALLOC"

    "-DHAVE_DIRENT_H"

    "-DHAVE_LIMITS_H"

    "-DHAVE_GETEUID"

    "-DHAVE_MKTEMP"

    "-DPACKAGE_BUGREPORT="

    "-Ded_PROGRAM=\\\"/nullop\\\""

    "-Dmbstate_t=int" # When HAVE_MBRTOWC is not enabled uses of mbstate_t are always a no-op

    "-DRETSIGTYPE=int"

    "-DHAVE_MKDIR"

    "-DHAVE_RMDIR"

    "-DHAVE_FCNTL_H"

    "-DPACKAGE_NAME=\\\"patch\\\""

    "-DPACKAGE_VERSION=\\\"${version}\\\""

    "-DHAVE_MALLOC"

    "-DHAVE_REALLOC"

    "-DSTDC_HEADERS"

    "-DHAVE_STRING_H"

    "-DHAVE_STDLIB_H"

  ];

  # Maintenance note: List of sources from Makefile.in

  SRCS = [

    "addext.c"

    "argmatch.c"

    "backupfile.c"

    "basename.c"

    "dirname.c"

    "getopt.c"

    "getopt1.c"

    "inp.c"

    "maketime.c"

    "partime.c"

    "patch.c"

    "pch.c"

    "quote.c"

    "quotearg.c"

    "quotesys.c"

    "util.c"

    "version.c"

    "xmalloc.c"

  ];

  sources = SRCS ++ [

    # mes-libc doesn't implement `error()`

    "error.c"

  ];

  objects = map (x: lib.replaceStrings [".c"] [".o"] (builtins.baseNameOf x)) sources;

in

runCommand "${pname}-${version}" {

  inherit pname version;

  nativeBuildInputs = [ tinycc ];

  meta = with lib; {

    description = "GNU Patch, a program to apply differences to files";

    homepage = "https://www.gnu.org/software/patch";

    license = licenses.gpl3Plus;

    maintainers = with maintainers; [ emilytrau ];

    mainProgram = "patch";

    platforms = platforms.unix;

  };

} ''

  # Unpack

  ungz --file ${src} --output patch.tar

  untar --file patch.tar

  rm patch.tar

  cd patch-${version}

  # Configure

  catm config.h

  # Build

  alias CC="tcc ${lib.concatStringsSep " " CFLAGS}"

  ${lib.concatMapStringsSep "\n" (f: "CC -c ${f}") sources}

  # Link

  CC -static -o patch ${lib.concatStringsSep " " objects}

  # Check

  ./patch --version

  # Install

  mkdir -p ''${out}/bin

  cp ./patch ''${out}/bin

  chmod 555 ''${out}/bin/patch

''