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/* Build configuration used to build glibc, Info files, and locale
information. */
cross :
{ name, fetchurl, stdenv, installLocales ? false
, gccCross ? null, kernelHeaders ? null
, machHeaders ? null, hurdHeaders ? null, mig ? null, fetchgit ? null
, profilingLibraries ? false, meta
, preConfigure ? "", ... }@args :
let
# For GNU/Hurd, see below.
date = "20100512";
rev = "df4c3faf0ccc848b5a8086c222bdb42679a9798f";
version = if hurdHeaders != null then date else "2.11.1";
in
assert (cross != null) -> (gccCross != null);
assert (mig != null) -> (machHeaders != null);
assert (machHeaders != null) -> (hurdHeaders != null);
assert (hurdHeaders != null) -> (fetchgit != null);
stdenv.mkDerivation ({
inherit kernelHeaders installLocales;
# The host/target system.
crossConfig = if (cross != null) then cross.config else null;
inherit (stdenv) is64bit;
enableParallelBuilding = true;
patches =
stdenv.lib.optional (fetchgit == null)
/* Fix for NIXPKGS-79: when doing host name lookups, when
nsswitch.conf contains a line like
hosts: files mdns4_minimal [NOTFOUND=return] dns mdns4
don't return an error when mdns4_minimal can't be found. This
is a bug in Glibc: when a service can't be found, NSS should
continue to the next service unless "UNAVAIL=return" is set.
("NOTFOUND=return" refers to the service returning a NOTFOUND
error, not the service itself not being found.) The reason is
that the "status" variable (while initialised to UNAVAIL) is
outside of the loop that iterates over the services, the
"files" service sets status to NOTFOUND. So when the call to
find "mdns4_minimal" fails, "status" will still be NOTFOUND,
and it will return instead of continuing to "dns". Thus, the
line
hosts: mdns4_minimal [NOTFOUND=return] dns mdns4
does work because "status" will contain UNAVAIL after the
failure to find mdns4_minimal. */
./nss-skip-unavail.patch
++ [
/* Make it possible to override the locale-archive in NixOS. */
./locale-override.patch
/* Have rpcgen(1) look for cpp(1) in $PATH. */
./rpcgen-path.patch
/* Make sure `nscd' et al. are linked against `libssp'. */
./stack-protector-link.patch
]
++ stdenv.lib.optional (fetchgit == null)
/* MOD_NANO definition, for ntp (taken from glibc upstream) */
./mod_nano.patch;
configureFlags = [
"-C"
"--enable-add-ons"
(if kernelHeaders != null
then "--with-headers=${kernelHeaders}/include"
else "--without-headers")
(if profilingLibraries
then "--enable-profile"
else "--disable-profile")
] ++ stdenv.lib.optionals (cross != null) [
(if cross.withTLS then "--with-tls" else "--without-tls")
(if cross.float == "soft" then "--without-fp" else "--with-fp")
"--enable-kernel=2.6.0"
"--with-__thread"
] ++ stdenv.lib.optionals (stdenv.system == "armv5tel-linux") [
"--host=arm-linux-gnueabi"
"--build=arm-linux-gnueabi"
"--without-fp"
];
buildInputs = stdenv.lib.optionals (cross != null) [ gccCross ]
++ stdenv.lib.optional (mig != null) mig;
# Needed to install share/zoneinfo/zone.tab. Set to impure /bin/sh to
# prevent a retained dependency on the bootstrap tools in the stdenv-linux
# bootstrap.
BASH_SHELL = "/bin/sh";
# Workaround for this bug:
# http://sourceware.org/bugzilla/show_bug.cgi?id=411
# I.e. when gcc is compiled with --with-arch=i686, then the
# preprocessor symbol `__i686' will be defined to `1'. This causes
# the symbol __i686.get_pc_thunk.dx to be mangled.
NIX_CFLAGS_COMPILE = stdenv.lib.optionalString (stdenv.system == "i686-linux") "-U__i686";
}
# FIXME: This is way too broad and causes the *native* glibc to have a
# different store path dependending on whether `cross' is null or not.
// args //
{
name = name + "-${version}" +
stdenv.lib.optionalString (cross != null) "-${cross.config}";
src =
if hurdHeaders != null
then fetchgit {
# Shamefully the "official" glibc won't build on GNU, so use the one
# maintained by the Hurd folks, `tschwinge/Roger_Whittaker' branch.
# See <http://www.gnu.org/software/hurd/source_repositories/glibc.html>.
url = "git://git.sv.gnu.org/hurd/glibc.git";
sha256 = "f3590a54a9d897d121f91113949edbaaf3e30cdeacbb8d0a44de7b6564f6643e";
inherit rev;
}
else fetchurl {
url = "mirror://gnu/glibc/glibc-${version}.tar.bz2";
sha256 = "18azb6518ryqhkfmddr25p0h1s2msrmx7dblij58sjlnzh61vq34";
};
srcPorts = fetchurl {
url = "mirror://gnu/glibc/glibc-ports-2.11.tar.bz2";
sha256 = "12b53f5k4gcr8rr1kg2ycf2701rygqsyf9r8gz4j3l9flaqi5liq";
};
# `fetchurl' is a function and thus should not be passed to the
# `derivation' primitive.
fetchurl = null;
# Remove absolute paths from `configure' & co.; build out-of-tree.
preConfigure = ''
export PWD_P=$(type -tP pwd)
for i in configure io/ftwtest-sh; do
# Can't use substituteInPlace here because replace hasn't been
# built yet in the bootstrap.
sed -i "$i" -e "s^/bin/pwd^$PWD_P^g"
done
tar xvjf "$srcPorts"
mkdir ../build
cd ../build
configureScript="../$sourceRoot/configure"
${preConfigure}
'';
meta = {
homepage = http://www.gnu.org/software/libc/;
description = "The GNU C Library";
longDescription =
'' Any Unix-like operating system needs a C library: the library which
defines the "system calls" and other basic facilities such as
open, malloc, printf, exit...
The GNU C library is used as the C library in the GNU system and
most systems with the Linux kernel.
'';
license = "LGPLv2+";
maintainers = [ stdenv.lib.maintainers.ludo ];
platforms = stdenv.lib.platforms.linux;
} // meta;
}
//
(if hurdHeaders != null
then {
# Work around the fact that the configure snippet that looks for
# <hurd/version.h> does not honor `--with-headers=$sysheaders' and that
# glibc expects both Mach and Hurd headers to be in the same place.
CPATH = "${hurdHeaders}/include:${machHeaders}/include";
# `fetchgit' is a function and thus should not be passed to the
# `derivation' primitive.
fetchgit = null;
}
else { }))
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