nixpkgs/pkgs/development/interpreters/perl/default.nix

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{ config, lib, stdenv, fetchurl, pkgs, buildPackages, callPackage
, enableThreading ? true, coreutils, makeWrapper
}:
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# Note: this package is used for bootstrapping fetchurl, and thus
# cannot use fetchpatch! All mutable patches (generated by GitHub or
# cgit) that are needed here should be included directly in Nixpkgs as
# files.
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with lib;
let
libc = if stdenv.cc.libc or null != null then stdenv.cc.libc else "/usr";
libcInc = lib.getDev libc;
libcLib = lib.getLib libc;
crossCompiling = stdenv.buildPlatform != stdenv.hostPlatform;
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common = { perl, buildPerl, version, sha256 }: stdenv.mkDerivation (rec {
inherit version;
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name = "perl-${version}";
src = fetchurl {
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url = "mirror://cpan/src/5.0/${name}.tar.gz";
inherit sha256;
};
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# TODO: Add a "dev" output containing the header files.
outputs = [ "out" "man" "devdoc" ] ++
optional crossCompiling "mini";
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setOutputFlags = false;
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disallowedReferences = [ stdenv.cc ];
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patches =
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[
# Do not look in /usr etc. for dependencies.
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(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 stdenv.isSunOS ./ld-shared.patch
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++ optionals stdenv.isDarwin [ ./cpp-precomp.patch ./sw_vers.patch ]
++ optional crossCompiling ./MakeMaker-cross.patch
# Backporting https://github.com/Perl/perl5/pull/17946, can be
# removed if there's ever a 5.30.x release with it included.
++ optional (versionOlder version "5.32.1") ./aarch64-darwin.patch;
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# This is not done for native builds because pwd may need to come from
# bootstrap tools when building bootstrap perl.
postPatch = (if crossCompiling then ''
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substituteInPlace dist/PathTools/Cwd.pm \
--replace "/bin/pwd" '${coreutils}/bin/pwd'
substituteInPlace cnf/configure_tool.sh --replace "cc -E -P" "cc -E"
'' else ''
substituteInPlace dist/PathTools/Cwd.pm \
--replace "/bin/pwd" "$(type -P pwd)"
'') +
# Perl's build system uses the src variable, and its value may end up in
# the output in some cases (when cross-compiling)
''
unset src
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'';
# Build a thread-safe Perl with a dynamic libperls.o. We need the
# "installstyle" option to ensure that modules are put under
# $out/lib/perl5 - this is the general default, but because $out
# contains the string "perl", Configure would select $out/lib.
# Miniperl needs -lm. perl needs -lrt.
configureFlags =
(if crossCompiling
then [ "-Dlibpth=\"\"" "-Dglibpth=\"\"" "-Ddefault_inc_excludes_dot" ]
else [ "-de" "-Dcc=cc" ])
++ [
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"-Uinstallusrbinperl"
"-Dinstallstyle=lib/perl5"
"-Duseshrplib"
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"-Dlocincpth=${libcInc}/include"
"-Dloclibpth=${libcLib}/lib"
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]
++ optionals ((builtins.match ''5\.[0-9]*[13579]\..+'' version) != null) [ "-Dusedevel" "-Uversiononly" ]
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++ optional stdenv.isSunOS "-Dcc=gcc"
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++ optional enableThreading "-Dusethreads"
++ optionals (!crossCompiling) [
"-Dprefix=${placeholder "out"}"
"-Dman1dir=${placeholder "out"}/share/man/man1"
"-Dman3dir=${placeholder "out"}/share/man/man3"
];
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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 = ''
substituteInPlace ./Configure --replace '`LC_ALL=C; LANGUAGE=C; export LC_ALL; export LANGUAGE; $date 2>&1`' 'Thu Jan 1 00:00:01 UTC 1970'
substituteInPlace ./Configure --replace '$uname -a' '$uname --kernel-name --machine --operating-system'
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'' + optionalString stdenv.isDarwin ''
substituteInPlace hints/darwin.sh --replace "env MACOSX_DEPLOYMENT_TARGET=10.3" ""
'' + optionalString (!enableThreading) ''
# We need to do this because the bootstrap doesn't have a static libpthread
sed -i 's,\(libswanted.*\)pthread,\1,g' Configure
'';
setupHook = ./setup-hook.sh;
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passthru = rec {
interpreter = "${perl}/bin/perl";
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libPrefix = "lib/perl5/site_perl";
pkgs = callPackage ../../../top-level/perl-packages.nix {
inherit perl buildPerl;
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overrides = config.perlPackageOverrides or (p: {}); # TODO: (self: super: {}) like in python
};
buildEnv = callPackage ./wrapper.nix {
inherit perl;
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inherit (pkgs) requiredPerlModules;
};
withPackages = f: buildEnv.override { extraLibs = f pkgs; };
};
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doCheck = false; # some tests fail, expensive
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# TODO: it seems like absolute paths to some coreutils is required.
postInstall =
''
# Remove dependency between "out" and "man" outputs.
rm "$out"/lib/perl5/*/*/.packlist
# Remove dependencies on glibc and gcc
sed "/ *libpth =>/c libpth => ' '," \
-i "$out"/lib/perl5/*/*/Config.pm
# TODO: removing those paths would be cleaner than overwriting with nonsense.
substituteInPlace "$out"/lib/perl5/*/*/Config_heavy.pl \
--replace "${libcInc}" /no-such-path \
--replace "${
stdenv: Introduce hasCC attribute Before, we'd always use `cc = null`, and check for that. The problem is this breaks for cross compilation to platforms that don't support a C compiler. It's a very subtle issue. One might think there is no problem because we have `stdenvNoCC`, and presumably one would only build derivations that use that. The problem is that one still wants to use tools at build-time that are themselves built with a C compiler, and those are gotten via "splicing". The runtime version of those deps will explode, but the build time / `buildPackages` versions of those deps will be fine, and splicing attempts to work this by using `builtins.tryEval` to filter out any broken "higher priority" packages (runtime is the default and highest priority) so that both `foo` and `foo.nativeDrv` works. However, `tryEval` only catches certain evaluation failures (e.g. exceptions), and not arbitrary failures (such as `cc.attr` when `cc` is null). This means `tryEval` fails to let us use our build time deps, and everything comes apart. The right solution is, as usually, to get rid of splicing. Or, baring that, to make it so `foo` never works and one has to explicitly do `foo.*`. But that is a much larger change, and certaily one unsuitable to be backported to stable. Given that, we instead make an exception-throwing `cc` attribute, and create a `hasCC` attribute for those derivations which wish to condtionally use a C compiler: instead of doing `stdenv.cc or null == null` or something similar, one does `stdenv.hasCC`. This allows quering without "tripping" the exception, while also allowing `tryEval` to work. No platform without a C compiler is yet wired up by default. That will be done in a following commit.
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if stdenv.hasCC then stdenv.cc.cc else "/no-such-path"
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}" /no-such-path \
--replace "${stdenv.cc}" /no-such-path \
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--replace "$man" /no-such-path
'' + optionalString crossCompiling
''
mkdir -p $mini/lib/perl5/cross_perl/${version}
for dir in cnf/{stub,cpan}; do
cp -r $dir/* $mini/lib/perl5/cross_perl/${version}
done
mkdir -p $mini/bin
install -m755 miniperl $mini/bin/perl
export runtimeArch="$(ls $out/lib/perl5/site_perl/${version})"
# wrapProgram should use a runtime-native SHELL by default, but
# it actually uses a buildtime-native one. If we ever fix that,
# we'll need to fix this to use a buildtime-native one.
#
# Adding the arch-specific directory is morally incorrect, as
# miniperl can't load the native modules there. However, it can
# (and sometimes needs to) load and run some of the pure perl
# code there, so we add it anyway. When needed, stubs can be put
# into $mini/lib/perl5/cross_perl/${version}.
wrapProgram $mini/bin/perl --prefix PERL5LIB : \
"$mini/lib/perl5/cross_perl/${version}:$out/lib/perl5/${version}:$out/lib/perl5/${version}/$runtimeArch"
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''; # */
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meta = {
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 ];
platforms = platforms.all;
priority = 6; # in `buildEnv' (including the one inside `perl.withPackages') the library files will have priority over files in `perl`
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};
} // optionalAttrs (stdenv.buildPlatform != stdenv.hostPlatform) rec {
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crossVersion = "e53999d0c340769792ba18d749751b0df3d1d177"; # Mar 21, 2021
perl-cross-src = fetchurl {
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url = "https://github.com/arsv/perl-cross/archive/${crossVersion}.tar.gz";
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sha256 = "14vcpwjhq667yh0cs7ism70df8l7068vn4a0ww59hdjyj7yc84i6";
};
depsBuildBuild = [ buildPackages.stdenv.cc makeWrapper ];
postUnpack = ''
unpackFile ${perl-cross-src}
cp -R perl-cross-${crossVersion}/* perl-${version}/
'';
configurePlatforms = [ "build" "host" "target" ];
# TODO merge setup hooks
setupHook = ./setup-hook-cross.sh;
});
in {
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# Maint version
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perl530 = common {
perl = pkgs.perl530;
buildPerl = buildPackages.perl530;
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version = "5.30.3";
sha256 = "0vs0wwwlw47sswxaflkk4hw0y45cmc7arxx788kwpbminy5lrq1j";
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};
# Maint version
perl532 = common {
perl = pkgs.perl532;
buildPerl = buildPackages.perl532;
version = "5.32.1";
sha256 = "0b7brakq9xs4vavhg391as50nbhzryc7fy5i65r81bnq3j897dh3";
};
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# the latest Devel version
perldevel = common {
perl = pkgs.perldevel;
buildPerl = buildPackages.perldevel;
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version = "5.33.8";
sha256 = "1zr6sdsfcmk86n3f8j65x07xkv29v0pi8bwc986ahmjx7x92xzgl";
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};
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}