nixpkgs/pkgs/development/interpreters/perl/intepreter.nix
2023-07-02 19:07:23 +10:00

259 lines
9.5 KiB
Nix

{ stdenv
, fetchurl
, fetchFromGitHub
, buildPackages
, lib
, self
, version
, sha256
, pkgsBuildBuild
, pkgsBuildHost
, pkgsBuildTarget
, pkgsHostHost
, pkgsTargetTarget
, zlib
, config
, passthruFun
, perlAttr ? "perl${lib.versions.major version}${lib.versions.minor version}"
, enableThreading ? true, coreutils, makeWrapper
, enableCrypt ? true, libxcrypt ? null
, overrides ? config.perlPackageOverrides or (p: {}) # TODO: (self: super: {}) like in python
} @ inputs:
# 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.
assert (enableCrypt -> (libxcrypt != null));
let
crossCompiling = stdenv.buildPlatform != stdenv.hostPlatform;
libc = if stdenv.cc.libc or null != null then stdenv.cc.libc else "/usr";
libcInc = lib.getDev libc;
libcLib = lib.getLib libc;
in
stdenv.mkDerivation (rec {
inherit version;
pname = "perl";
src = fetchurl {
url = "mirror://cpan/src/5.0/perl-${version}.tar.gz";
inherit sha256;
};
strictDeps = true;
# TODO: Add a "dev" output containing the header files.
outputs = [ "out" "man" "devdoc" ] ++
lib.optional crossCompiling "mini";
setOutputFlags = false;
# On FreeBSD, if Perl is built with threads support, having
# libxcrypt available will result in a build failure, because
# perl.h will get conflicting definitions of struct crypt_data
# from libc's unistd.h and libxcrypt's crypt.h.
#
# FreeBSD Ports has the same issue building the perl port if
# the libxcrypt port has been installed.
#
# Without libxcrypt, Perl will still find FreeBSD's crypt functions.
propagatedBuildInputs = lib.optional (enableCrypt && !stdenv.isFreeBSD) libxcrypt;
disallowedReferences = [ stdenv.cc ];
patches =
[
# Do not look in /usr etc. for dependencies.
./no-sys-dirs-5.31.patch
# Enable TLS/SSL verification in HTTP::Tiny by default
./http-tiny-verify-ssl-by-default.patch
]
++ lib.optional stdenv.isSunOS ./ld-shared.patch
++ lib.optionals stdenv.isDarwin [ ./cpp-precomp.patch ./sw_vers.patch ]
++ lib.optional crossCompiling ./MakeMaker-cross.patch;
# This is not done for native builds because pwd may need to come from
# bootstrap tools when building bootstrap perl.
postPatch = (if crossCompiling then ''
substituteInPlace dist/PathTools/Cwd.pm \
--replace "/bin/pwd" '${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
'';
# Build a thread-safe Perl with a dynamic libperl.so. 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 $out/lib.
# Miniperl needs -lm. perl needs -lrt.
configureFlags =
(if crossCompiling
then [ "-Dlibpth=\"\"" "-Dglibpth=\"\"" "-Ddefault_inc_excludes_dot" ]
else [ "-de" "-Dcc=cc" ])
++ [
"-Uinstallusrbinperl"
"-Dinstallstyle=lib/perl5"
] ++ lib.optional (!crossCompiling) "-Duseshrplib" ++ [
"-Dlocincpth=${libcInc}/include"
"-Dloclibpth=${libcLib}/lib"
]
++ lib.optionals ((builtins.match ''5\.[0-9]*[13579]\..+'' version) != null) [ "-Dusedevel" "-Uversiononly" ]
++ lib.optional stdenv.isSunOS "-Dcc=gcc"
++ lib.optional enableThreading "-Dusethreads"
++ lib.optional (!enableCrypt) "-A clear:d_crypt_r"
++ lib.optional stdenv.hostPlatform.isStatic "--all-static"
++ lib.optionals (!crossCompiling) [
"-Dprefix=${placeholder "out"}"
"-Dman1dir=${placeholder "out"}/share/man/man1"
"-Dman3dir=${placeholder "out"}/share/man/man3"
];
configureScript = lib.optionalString (!crossCompiling) "${stdenv.shell} ./Configure";
dontAddStaticConfigureFlags = true;
dontAddPrefix = !crossCompiling;
enableParallelBuilding = !crossCompiling;
# perl includes the build date, the uname of the build system and the
# username of the build user in some files.
# We override these to make it build deterministically.
# other distro solutions
# https://github.com/bmwiedemann/openSUSE/blob/master/packages/p/perl/perl-reproducible.patch
# https://github.com/archlinux/svntogit-packages/blob/packages/perl/trunk/config.over
# https://salsa.debian.org/perl-team/interpreter/perl/blob/debian-5.26/debian/config.over
# A ticket has been opened upstream to possibly clean some of this up: https://rt.perl.org/Public/Bug/Display.html?id=133452
preConfigure = ''
cat > config.over <<EOF
${lib.optionalString (stdenv.hostPlatform.isLinux && stdenv.hostPlatform.isGnu) ''osvers="gnulinux"''}
myuname="nixpkgs"
myhostname="nixpkgs"
cf_by="nixpkgs"
cf_time="$(date -d "@$SOURCE_DATE_EPOCH")"
EOF
# Compress::Raw::Zlib should use our zlib package instead of the one
# included with the distribution
cat > ./cpan/Compress-Raw-Zlib/config.in <<EOF
BUILD_ZLIB = False
INCLUDE = ${zlib.dev}/include
LIB = ${zlib.out}/lib
OLD_ZLIB = False
GZIP_OS_CODE = AUTO_DETECT
EOF
'' + lib.optionalString stdenv.isDarwin ''
substituteInPlace hints/darwin.sh --replace "env MACOSX_DEPLOYMENT_TARGET=10.3" ""
'' + lib.optionalString (!enableThreading) ''
# We need to do this because the bootstrap doesn't have a static libpthread
sed -i 's,\(libswanted.*\)pthread,\1,g' Configure
'';
# Default perl does not support --host= & co.
configurePlatforms = [ ];
setupHook = ./setup-hook.sh;
# copied from python
passthru =
let
# When we override the interpreter we also need to override the spliced versions of the interpreter
inputs' = lib.filterAttrs (n: v: ! lib.isDerivation v && n != "passthruFun") inputs;
override = attr: let perl = attr.override (inputs' // { self = perl; }); in perl;
in
passthruFun rec {
inherit self perlAttr;
inherit overrides;
perlOnBuildForBuild = override pkgsBuildBuild.${perlAttr};
perlOnBuildForHost = override pkgsBuildHost.${perlAttr};
perlOnBuildForTarget = override pkgsBuildTarget.${perlAttr};
perlOnHostForHost = override pkgsHostHost.${perlAttr};
perlOnTargetForTarget = if lib.hasAttr perlAttr pkgsTargetTarget then (override pkgsTargetTarget.${perlAttr}) else { };
};
doCheck = false; # some tests fail, expensive
# TODO: it seems like absolute paths to some coreutils is required.
postInstall =
''
# Remove dependency between "out" and "man" outputs.
rm "$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 "${libcInc}" /no-such-path \
--replace "${
if stdenv.hasCC then stdenv.cc else "/no-such-path"
}" /no-such-path \
--replace "${
if stdenv.hasCC && stdenv.cc.cc != null then stdenv.cc.cc else "/no-such-path"
}" /no-such-path \
--replace "$man" /no-such-path
'' + lib.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"
''; # */
meta = with lib; {
homepage = "https://www.perl.org/";
description = "The standard implementation of the Perl 5 programmming language";
license = licenses.artistic1;
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`
};
} // lib.optionalAttrs (stdenv.buildPlatform != stdenv.hostPlatform) rec {
crossVersion = "c876045741f5159318085d2737b0090f35a842ca"; # June 5, 2022
perl-cross-src = fetchFromGitHub {
name = "perl-cross-unstable-${crossVersion}";
owner = "arsv";
repo = "perl-cross";
rev = crossVersion;
sha256 = "sha256-m9UCoTQgXBxSgk9Q1Zv6wl3Qnd0aZm/jEPXkcMKti8U=";
};
depsBuildBuild = [ buildPackages.stdenv.cc makeWrapper ];
postUnpack = ''
unpackFile ${perl-cross-src}
chmod -R u+w ${perl-cross-src.name}
cp -R ${perl-cross-src.name}/* perl-${version}/
'';
configurePlatforms = [ "build" "host" "target" ];
# TODO merge setup hooks
setupHook = ./setup-hook-cross.sh;
})