6d8539c1d8
Perl on darwin (and any other sane platform) has a pretty good threading
support, enable it.
As it turns out, we were building non-multithreaded perl on all systems,
since glibc was not part of the stdenv anymore:
nix-repl> pkgs = import <nixpkgs> {}
nix-repl> pkgs.stdenv ? glibc
false
meaning that the comments were incorrect. Thus, clear up the confusion
and remove the misleading comments, while enabling multithreading by
default. The builds will fail on unsupported platforms, and in this case
the only place is the bootstrap, where we already force
non-multithreaded perl.
As a consequence of the above, this change will cause the full rebuild
of stdenv on all platforms, including linux.
216 lines
8 KiB
Nix
216 lines
8 KiB
Nix
{ config, lib, stdenv, fetchurl, pkgs, buildPackages, callPackage
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, enableThreading ? true, coreutils, makeWrapper
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}:
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with lib;
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let
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libc = if stdenv.cc.libc or null != null then stdenv.cc.libc else "/usr";
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libcInc = lib.getDev libc;
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libcLib = lib.getLib libc;
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crossCompiling = stdenv.buildPlatform != stdenv.hostPlatform;
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common = { perl, buildPerl, version, sha256 }: stdenv.mkDerivation (rec {
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inherit version;
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name = "perl-${version}";
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src = fetchurl {
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url = "mirror://cpan/src/5.0/${name}.tar.gz";
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inherit sha256;
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};
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# TODO: Add a "dev" output containing the header files.
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outputs = [ "out" "man" "devdoc" ] ++
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optional crossCompiling "dev";
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setOutputFlags = false;
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disallowedReferences = [ stdenv.cc ];
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patches =
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[
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# Do not look in /usr etc. for dependencies.
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(if (versionOlder version "5.29.6") then ./no-sys-dirs-5.26.patch
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else if (versionOlder version "5.31.1") then ./no-sys-dirs-5.29.patch
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else ./no-sys-dirs-5.31.patch)
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]
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++ optional (versionOlder version "5.29.6")
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# Fix parallel building: https://rt.perl.org/Public/Bug/Display.html?id=132360
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(fetchurl {
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url = "https://rt.perl.org/Public/Ticket/Attachment/1502646/807252/0001-Fix-missing-build-dependency-for-pods.patch";
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sha256 = "1bb4mldfp8kq1scv480wm64n2jdsqa3ar46cjp1mjpby8h5dr2r0";
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})
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++ optional stdenv.isSunOS ./ld-shared.patch
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++ optionals stdenv.isDarwin [ ./cpp-precomp.patch ./sw_vers.patch ]
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++ optional crossCompiling ./MakeMaker-cross.patch;
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# This is not done for native builds because pwd may need to come from
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# bootstrap tools when building bootstrap perl.
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postPatch = (if crossCompiling then ''
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substituteInPlace dist/PathTools/Cwd.pm \
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--replace "/bin/pwd" '${coreutils}/bin/pwd'
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substituteInPlace cnf/configure_tool.sh --replace "cc -E -P" "cc -E"
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'' else ''
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substituteInPlace dist/PathTools/Cwd.pm \
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--replace "/bin/pwd" "$(type -P pwd)"
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'') +
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# Perl's build system uses the src variable, and its value may end up in
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# the output in some cases (when cross-compiling)
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''
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unset src
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'';
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# Build a thread-safe Perl with a dynamic libperls.o. We need the
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# "installstyle" option to ensure that modules are put under
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# $out/lib/perl5 - this is the general default, but because $out
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# contains the string "perl", Configure would select $out/lib.
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# Miniperl needs -lm. perl needs -lrt.
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configureFlags =
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(if crossCompiling
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then [ "-Dlibpth=\"\"" "-Dglibpth=\"\"" ]
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else [ "-de" "-Dcc=cc" ])
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++ [
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"-Uinstallusrbinperl"
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"-Dinstallstyle=lib/perl5"
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"-Duseshrplib"
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"-Dlocincpth=${libcInc}/include"
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"-Dloclibpth=${libcLib}/lib"
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]
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++ optionals ((builtins.match ''5\.[0-9]*[13579]\..+'' version) != null) [ "-Dusedevel" "-Uversiononly" ]
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++ optional stdenv.isSunOS "-Dcc=gcc"
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++ optional enableThreading "-Dusethreads"
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++ optionals (!crossCompiling) [
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"-Dprefix=${placeholder "out"}"
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"-Dman1dir=${placeholder "out"}/share/man/man1"
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"-Dman3dir=${placeholder "out"}/share/man/man3"
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];
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configureScript = optionalString (!crossCompiling) "${stdenv.shell} ./Configure";
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dontAddPrefix = !crossCompiling;
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enableParallelBuilding = !crossCompiling;
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preConfigure = ''
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substituteInPlace ./Configure --replace '`LC_ALL=C; LANGUAGE=C; export LC_ALL; export LANGUAGE; $date 2>&1`' 'Thu Jan 1 00:00:01 UTC 1970'
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substituteInPlace ./Configure --replace '$uname -a' '$uname --kernel-name --machine --operating-system'
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'' + optionalString stdenv.isDarwin ''
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substituteInPlace hints/darwin.sh --replace "env MACOSX_DEPLOYMENT_TARGET=10.3" ""
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'' + optionalString (!enableThreading) ''
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# We need to do this because the bootstrap doesn't have a static libpthread
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sed -i 's,\(libswanted.*\)pthread,\1,g' Configure
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'';
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setupHook = ./setup-hook.sh;
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passthru = rec {
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interpreter = "${perl}/bin/perl";
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libPrefix = "lib/perl5/site_perl";
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pkgs = callPackage ../../../top-level/perl-packages.nix {
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inherit perl buildPerl;
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overrides = config.perlPackageOverrides or (p: {}); # TODO: (self: super: {}) like in python
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};
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buildEnv = callPackage ./wrapper.nix {
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inherit perl;
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inherit (pkgs) requiredPerlModules;
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};
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withPackages = f: buildEnv.override { extraLibs = f pkgs; };
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};
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doCheck = false; # some tests fail, expensive
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# TODO: it seems like absolute paths to some coreutils is required.
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postInstall =
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''
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# Remove dependency between "out" and "man" outputs.
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rm "$out"/lib/perl5/*/*/.packlist
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# Remove dependencies on glibc and gcc
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sed "/ *libpth =>/c libpth => ' '," \
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-i "$out"/lib/perl5/*/*/Config.pm
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# TODO: removing those paths would be cleaner than overwriting with nonsense.
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substituteInPlace "$out"/lib/perl5/*/*/Config_heavy.pl \
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--replace "${libcInc}" /no-such-path \
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--replace "${
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if stdenv.hasCC then stdenv.cc.cc else "/no-such-path"
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}" /no-such-path \
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--replace "${stdenv.cc}" /no-such-path \
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--replace "$man" /no-such-path
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'' + optionalString crossCompiling
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''
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mkdir -p $dev/lib/perl5/cross_perl/${version}
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for dir in cnf/{stub,cpan}; do
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cp -r $dir/* $dev/lib/perl5/cross_perl/${version}
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done
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mkdir -p $dev/bin
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install -m755 miniperl $dev/bin/perl
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export runtimeArch="$(ls $out/lib/perl5/site_perl/${version})"
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# wrapProgram should use a runtime-native SHELL by default, but
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# it actually uses a buildtime-native one. If we ever fix that,
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# we'll need to fix this to use a buildtime-native one.
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#
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# Adding the arch-specific directory is morally incorrect, as
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# miniperl can't load the native modules there. However, it can
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# (and sometimes needs to) load and run some of the pure perl
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# code there, so we add it anyway. When needed, stubs can be put
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# into $dev/lib/perl5/cross_perl/${version}.
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wrapProgram $dev/bin/perl --prefix PERL5LIB : \
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"$dev/lib/perl5/cross_perl/${version}:$out/lib/perl5/${version}:$out/lib/perl5/${version}/$runtimeArch"
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''; # */
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meta = {
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homepage = https://www.perl.org/;
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description = "The standard implementation of the Perl 5 programmming language";
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license = licenses.artistic1;
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maintainers = [ maintainers.eelco ];
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platforms = platforms.all;
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priority = 6; # in `buildEnv' (including the one inside `perl.withPackages') the library files will have priority over files in `perl`
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};
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} // optionalAttrs (stdenv.buildPlatform != stdenv.hostPlatform) rec {
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crossVersion = "ba90816ef2c24dc06fd6cd2c854abcfa1aae00a3"; # Nov 22, 2019
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perl-cross-src = fetchurl {
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url = "https://github.com/arsv/perl-cross/archive/${crossVersion}.tar.gz";
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sha256 = "19jq5fz6l64s0v6j64n5mkk5v2srpyfn9sc09hwbpkp9n74q82j4";
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};
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depsBuildBuild = [ buildPackages.stdenv.cc makeWrapper ];
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postUnpack = ''
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unpackFile ${perl-cross-src}
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cp -R perl-cross-${crossVersion}/* perl-${version}/
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'';
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configurePlatforms = [ "build" "host" "target" ];
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# TODO merge setup hooks
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setupHook = ./setup-hook-cross.sh;
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});
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in {
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# Maint version
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perl528 = common {
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perl = pkgs.perl528;
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buildPerl = buildPackages.perl528;
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version = "5.28.2";
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sha256 = "1iynpsxdym4h76kgndmn3ykvwxhqz444xvaz8z2irsxkvmnlb5da";
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};
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# Maint version
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perl530 = common {
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perl = pkgs.perl530;
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buildPerl = buildPackages.perl530;
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version = "5.30.1";
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sha256 = "0r7r8a7pkgxp3w5lza559ahxczw6hzpwvhkpc4c99vpi3xbjagdz";
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};
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# the latest Devel version
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perldevel = common {
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perl = pkgs.perldevel;
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buildPerl = buildPackages.perldevel;
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version = "5.31.6";
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sha256 = "08n3c8xm1brxpckqy8i1xgjrpl4afrhcva9bhxswr938n675x71k";
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};
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}
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