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nixpkgs/pkgs/development/libraries/glibc/common.nix
2015-01-13 22:33:49 +01:00

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7.3 KiB
Nix

/* Build configuration used to build glibc, Info files, and locale
information. */
cross:
{ name, fetchurl, fetchgit ? null, stdenv, installLocales ? false
, gccCross ? null, kernelHeaders ? null
, machHeaders ? null, hurdHeaders ? null, libpthreadHeaders ? null
, mig ? null
, profilingLibraries ? false, meta
, withGd ? false, gd ? null, libpng ? null
, preConfigure ? "", ... }@args:
let
version = "2.20";
in
assert cross != null -> gccCross != null;
assert mig != null -> machHeaders != null;
assert machHeaders != null -> hurdHeaders != null;
assert hurdHeaders != null -> libpthreadHeaders != null;
stdenv.mkDerivation ({
inherit kernelHeaders installLocales;
# The host/target system.
crossConfig = if cross != null then cross.config else null;
inherit (stdenv) is64bit;
enableParallelBuilding = true;
/* Don't try to apply these patches to the Hurd's snapshot, which is
older. */
patches = stdenv.lib.optionals (hurdHeaders == null)
[ /* Have rpcgen(1) look for cpp(1) in $PATH. */
./rpcgen-path.patch
/* Allow NixOS and Nix to handle the locale-archive. */
./nix-locale-archive.patch
/* Don't use /etc/ld.so.cache, for non-NixOS systems. */
./dont-use-system-ld-so-cache.patch
/* Don't use /etc/ld.so.preload, but /etc/ld-nix.so.preload. */
./dont-use-system-ld-so-preload.patch
/* Add blowfish password hashing support. This is needed for
compatibility with old NixOS installations (since NixOS used
to default to blowfish). */
./glibc-crypt-blowfish.patch
/* The command "getconf CS_PATH" returns the default search path
"/bin:/usr/bin", which is inappropriate on NixOS machines. This
patch extends the search path by "/run/current-system/sw/bin". */
./fix_path_attribute_in_getconf.patch
];
postPatch =
# Needed for glibc to build with the gnumake 3.82
# http://comments.gmane.org/gmane.linux.lfs.support/31227
''
sed -i 's/ot \$/ot:\n\ttouch $@\n$/' manual/Makefile
''
# nscd needs libgcc, and we don't want it dynamically linked
# because we don't want it to depend on bootstrap-tools libs.
+ ''
echo "LDFLAGS-nscd += -static-libgcc" >> nscd/Makefile
''
# Replace the date and time in nscd by a prefix of $out.
# It is used as a protocol compatibility check.
# Note: the size of the struct changes, but using only a part
# would break hash-rewriting. When receiving stats it does check
# that the struct sizes match and can't cause overflow or something.
+ ''
cat ${./glibc-remove-datetime-from-nscd.patch} \
| sed "s,@out@,$out," | patch -p1
'';
configureFlags =
[ "-C"
"--enable-add-ons"
"--enable-obsolete-rpc"
"--sysconfdir=/etc"
"--localedir=/var/run/current-system/sw/lib/locale"
"libc_cv_ssp=no"
(if kernelHeaders != null
then "--with-headers=${kernelHeaders}/include"
else "--without-headers")
(if profilingLibraries
then "--enable-profile"
else "--disable-profile")
] ++ stdenv.lib.optionals (cross == null && kernelHeaders != null) [
"--enable-kernel=2.6.32"
] ++ stdenv.lib.optionals (cross != null) [
(if cross.withTLS then "--with-tls" else "--without-tls")
(if cross.float == "soft" then "--without-fp" else "--with-fp")
] ++ stdenv.lib.optionals (cross != null
&& cross.platform ? kernelMajor
&& cross.platform.kernelMajor == "2.6") [
"--enable-kernel=2.6.0"
"--with-__thread"
] ++ stdenv.lib.optionals (cross == null && stdenv.isArm) [
"--host=arm-linux-gnueabi"
"--build=arm-linux-gnueabi"
# To avoid linking with -lgcc_s (dynamic link)
# so the glibc does not depend on its compiler store path
"libc_cv_as_needed=no"
] ++ stdenv.lib.optional withGd "--with-gd";
installFlags = [ "sysconfdir=$(out)/etc" ];
buildInputs = stdenv.lib.optionals (cross != null) [ gccCross ]
++ stdenv.lib.optional (mig != null) mig
++ stdenv.lib.optionals withGd [ gd libpng ];
# 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";
}
# Remove the `gccCross' attribute so that the *native* glibc store path
# doesn't depend on whether `gccCross' is null or not.
// (removeAttrs args [ "gccCross" "fetchurl" "fetchgit" "withGd" "gd" "libpng" ]) //
{
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 = "cecec9dd5a2bafc875c56b058b6d7628a22b250b53747513dec304f31ffdb82d";
rev = "d3cdecf18e6550b0984a42b43ed48c5fb26501e1";
}
else fetchurl {
url = "mirror://gnu/glibc/glibc-${version}.tar.gz";
sha256 = "1g6ysvk15arpi7c1f1fpx5slgfr2k3dqd5xr0yvijajp1m0xxq9p";
};
# Remove absolute paths from `configure' & co.; build out-of-tree.
preConfigure = ''
export PWD_P=$(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
mkdir ../build
cd ../build
configureScript="`pwd`/../$sourceRoot/configure"
${stdenv.lib.optionalString (stdenv.cc.libc != null)
''makeFlags="$makeFlags BUILD_LDFLAGS=-Wl,-rpath,${stdenv.cc.libc}/lib"''
}
${preConfigure}
'';
meta = {
homepage = http://www.gnu.org/software/libc/;
description = "The GNU C Library"
+ stdenv.lib.optionalString (hurdHeaders != null) ", for GNU/Hurd";
longDescription =
'' Any Unix-like operating system needs a C library: the library which
defines the "system calls" and other basic facilities such as
open, malloc, printf, exit...
The GNU C library is used as the C library in the GNU system and
most systems with the Linux kernel.
'';
license = stdenv.lib.licenses.lgpl2Plus;
maintainers = [ ];
#platforms = stdenv.lib.platforms.linux;
} // meta;
}
// stdenv.lib.optionalAttrs withGd {
preBuild = "unset NIX_DONT_SET_RPATH";
}
// stdenv.lib.optionalAttrs (hurdHeaders != null) {
# Work around the fact that the configure snippet that looks for
# <hurd/version.h> does not honor `--with-headers=$sysheaders' and that
# glibc expects Mach, Hurd, and pthread headers to be in the same place.
CPATH = "${hurdHeaders}/include:${machHeaders}/include:${libpthreadHeaders}/include";
# Install NSS stuff in the right place.
# XXX: This will be needed for all new glibcs and isn't Hurd-specific.
makeFlags = ''vardbdir="$out/var/db"'';
})