nixpkgs/pkgs/development/interpreters/perl/default.nix
2018-11-02 03:10:11 +01:00

193 lines
7.0 KiB
Nix

{ lib, stdenv, fetchurlBoot, buildPackages
, enableThreading ? stdenv ? glibc, makeWrapper
}:
with lib;
# We can only compile perl with threading on platforms where we have a
# real glibc in the stdenv.
#
# Instead of silently building an unthreaded perl if this is not the
# case, we force callers to disableThreading explicitly, therefore
# documenting the platforms where the perl is not threaded.
#
# In the case of stdenv linux boot stage1 it's not possible to use
# threading because of the simpleness of the bootstrap glibc, so we
# use enableThreading = false there.
assert enableThreading -> (stdenv ? glibc);
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;
common = { version, sha256 }: stdenv.mkDerivation (rec {
inherit version;
name = "perl-${version}";
src = fetchurlBoot {
url = "mirror://cpan/src/5.0/${name}.tar.gz";
inherit sha256;
};
# TODO: Add a "dev" output containing the header files.
outputs = [ "out" "man" "devdoc" ] ++
stdenv.lib.optional crossCompiling "dev";
setOutputFlags = false;
disallowedReferences = [ stdenv.cc ];
patches =
[
# Do not look in /usr etc. for dependencies.
./no-sys-dirs-5.26.patch
# Fix parallel building: https://rt.perl.org/Public/Bug/Display.html?id=132360
(fetchurlBoot {
url = "https://rt.perl.org/Public/Ticket/Attachment/1502646/807252/0001-Fix-missing-build-dependency-for-pods.patch";
sha256 = "1bb4mldfp8kq1scv480wm64n2jdsqa3ar46cjp1mjpby8h5dr2r0";
})
]
++ optional stdenv.isSunOS ./ld-shared.patch
++ optionals stdenv.isDarwin [ ./cpp-precomp.patch ./sw_vers.patch ]
++ optional crossCompiling ./MakeMaker-cross.patch;
postPatch = ''
pwd="$(type -P pwd)"
substituteInPlace dist/PathTools/Cwd.pm \
--replace "/bin/pwd" "$pwd"
'' + stdenv.lib.optionalString crossCompiling ''
substituteInPlace cnf/configure_tool.sh --replace "cc -E -P" "cc -E"
'';
# 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 $out/lib.
# Miniperl needs -lm. perl needs -lrt.
configureFlags =
(if crossCompiling
then [ "-Dlibpth=\"\"" "-Dglibpth=\"\"" ]
else [ "-de" "-Dcc=cc" ])
++ [
"-Uinstallusrbinperl"
"-Dinstallstyle=lib/perl5"
"-Duseshrplib"
"-Dlocincpth=${libcInc}/include"
"-Dloclibpth=${libcLib}/lib"
]
++ optionals ((builtins.match ''5\.[0-9]*[13579]\..+'' version) != null) [ "-Dusedevel" "-Uversiononly" ]
++ optional stdenv.isSunOS "-Dcc=gcc"
++ optional enableThreading "-Dusethreads";
configureScript = stdenv.lib.optionalString (!crossCompiling) "${stdenv.shell} ./Configure";
dontAddPrefix = !crossCompiling;
enableParallelBuilding = !crossCompiling;
preConfigure = optionalString (!crossCompiling) ''
configureFlags="$configureFlags -Dprefix=$out -Dman1dir=$out/share/man/man1 -Dman3dir=$out/share/man/man3"
'' + optionalString (stdenv.isAarch32 || stdenv.isMips) ''
configureFlagsArray=(-Dldflags="-lm -lrt")
'' + 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;
passthru.libPrefix = "lib/perl5/site_perl";
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 "${
if stdenv.cc.cc or null != null then stdenv.cc.cc else "/no-such-path"
}" /no-such-path \
--replace "${stdenv.cc}" /no-such-path \
--replace "$man" /no-such-path
'' + stdenv.lib.optionalString crossCompiling
''
mkdir -p $dev/lib/perl5/cross_perl/${version}
for dir in cnf/{stub,cpan}; do
cp -r $dir/* $dev/lib/perl5/cross_perl/${version}
done
mkdir -p $dev/bin
install -m755 miniperl $dev/bin/perl
export runtimeArch="$(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 $dev/lib/perl5/cross_perl/${version}.
wrapProgram $dev/bin/perl --prefix PERL5LIB : \
"$dev/lib/perl5/cross_perl/${version}:$out/lib/perl5/${version}:$out/lib/perl5/${version}/$runtimeArch"
''; # */
meta = {
homepage = https://www.perl.org/;
description = "The standard implementation of the Perl 5 programmming language";
license = licenses.artistic1;
maintainers = [ maintainers.eelco ];
platforms = platforms.all;
};
} // stdenv.lib.optionalAttrs (stdenv.buildPlatform != stdenv.hostPlatform) rec {
crossVersion = "ab8d05c9e695d3db4f7dc15c70f23623349c2f49"; # Oct 03, 2018
perl-cross-src = fetchurlBoot {
url = "https://github.com/arsv/perl-cross/archive/${crossVersion}.tar.gz";
sha256 = "1g7p7mqmx8x3diqvbh881gr72d106cn6yvm4gx7f0ars3n3b3wj0";
};
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 rec {
perl526 = common {
version = "5.26.2";
sha256 = "03gpnxx1g6hvlh0v4aqx00580h787sfywp1vlvw64q2xcbm9qbsp";
};
# the latest Maint version
perl528 = common {
version = "5.28.0";
sha256 = "1a3f822lcl8dr8v0hk80yyhpzqlljg49z9flb48rs3nbsij9z4ky";
};
# the latest Devel version
perldevel = common {
version = "5.29.4";
sha256 = "153r0f6jdqrl7hxrvhfivf5g8ivhbvggfhg841q3hi3db5rc86k4";
};
}