quictls: remove run-time dependency of perl due to c_rehash

{ lib, stdenv, fetchurl, buildPackages, perl, coreutils, fetchFromGitHub

, makeWrapper

, withCryptodev ? false, cryptodev

, enableSSL2 ? false

, enableSSL3 ? false

, static ? stdenv.hostPlatform.isStatic

# Used to avoid cross compiling perl, for example, in darwin bootstrap tools.

# This will cause c_rehash to refer to perl via the environment, but otherwise

# will produce a perfectly functional openssl binary and library.

, withPerl ? stdenv.hostPlatform == stdenv.buildPlatform

, removeReferencesTo

}:

    !(stdenv.hostPlatform.useLLVM or false) &&

    stdenv.cc.isGNU;

  nativeBuildInputs = [ perl removeReferencesTo ];

  buildInputs = lib.optional withCryptodev cryptodev

    # perl is included to allow the interpreter path fixup hook to set the

    # correct interpreter in c_rehash.

    ++ lib.optional withPerl perl;

  nativeBuildInputs = [ makeWrapper perl removeReferencesTo ];

  buildInputs = lib.optional withCryptodev cryptodev;

  # TODO(@Ericson2314): Improve with mass rebuild

  configurePlatforms = [];

    if [ -n "$(echo $out/lib/*.so $out/lib/*.dylib $out/lib/*.dll)" ]; then

        rm "$out/lib/"*.a

    fi

  '') + lib.optionalString (!stdenv.hostPlatform.isWindows)

    # Fix bin/c_rehash's perl interpreter line

    #

    # - openssl 1_0_2: embeds a reference to buildPackages.perl

    # - openssl 1_1:   emits "#!/usr/bin/env perl"

    #

    # In the case of openssl_1_0_2, reset the invalid reference and let the

    # interpreter hook take care of it.

    #

    # In both cases, if withPerl = false, the intepreter line is expected be

    # "#!/usr/bin/env perl"

  ''

    substituteInPlace $out/bin/c_rehash --replace ${buildPackages.perl}/bin/perl "/usr/bin/env perl"

  '' + ''

  '') + ''

    mkdir -p $bin

    mv $out/bin $bin/bin

    # c_rehash is a legacy perl script with the same functionality

    # as `openssl rehash`

    # this wrapper script is created to maintain backwards compatibility without

    # depending on perl

    makeWrapper $bin/bin/openssl $bin/bin/c_rehash \

      --add-flags "rehash"

    mkdir $dev

    mv $out/include $dev/

    # remove dependency on Perl at runtime