nixpkgs/pkgs/os-specific/linux/uclibc/default.nix
Lluís Batlle i Rossell 4164de326a Making the cross-builds work with uclibc. There is no easy way of switching
between uclibc/glibc still.
I started the renaming from glibc to libc regarding the cross-toolchain, but I
still have to finish.


svn path=/nixpkgs/branches/stdenv-updates/; revision=18801
2009-12-04 13:35:58 +00:00

71 lines
2.3 KiB
Nix

{stdenv, fetchurl, kernelHeaders, gccCross ? null}:
assert stdenv.isLinux;
let
target = if (gccCross != null) then gccCross.target else null;
enableArmEABI = (target == null && stdenv.system "armv5tel-linux")
|| (target != null && target.arch == "arm");
configArmEABI = if enableArmEABI then
''-e 's/.*CONFIG_ARM_OABI.*//' \
-e 's/.*CONFIG_ARM_EABI.*/CONFIG_ARM_EABI=y/' '' else "";
enableBigEndian = (target != null && target.bigEndian);
configBigEndian = if enableBigEndian then ""
else
''-e 's/.*ARCH_BIG_ENDIAN.*/#ARCH_BIG_ENDIAN=y/' \
-e 's/.*ARCH_WANTS_BIG_ENDIAN.*/#ARCH_WANTS_BIG_ENDIAN=y/' \
-e 's/.*ARCH_WANTS_LITTLE_ENDIAN.*/ARCH_WANTS_LITTLE_ENDIAN=y/' '';
archMakeFlag = if (target != null) then "ARCH=${target.arch}" else "";
crossMakeFlag = if (target != null) then "CROSS=${target.config}-" else "";
in
stdenv.mkDerivation {
name = "uclibc-0.9.30.1" + stdenv.lib.optionalString (target != null)
("-" + target.config);
src = fetchurl {
url = http://www.uclibc.org/downloads/uClibc-0.9.30.1.tar.bz2;
sha256 = "132cf27hkgi0q4qlwbiyj4ffj76sja0jcxm0aqzzgks65jh6k5rd";
};
configurePhase = ''
make defconfig ${archMakeFlag}
sed -e s@/usr/include@${kernelHeaders}/include@ \
-e 's@^RUNTIME_PREFIX.*@RUNTIME_PREFIX="/"@' \
-e 's@^DEVEL_PREFIX.*@DEVEL_PREFIX="/"@' \
-e 's@.*UCLIBC_HAS_WCHAR.*@UCLIBC_HAS_WCHAR=y@' \
-e 's@.*DO_C99_MATH.*@DO_C99_MATH=y@' \
${configArmEABI} \
${configBigEndian} \
-i .config
make oldconfig
'';
# Cross stripping hurts.
dontStrip = if (target != null) then true else false;
makeFlags = [ crossMakeFlag "VERBOSE=1" ];
buildInputs = stdenv.lib.optional (gccCross != null) gccCross;
patches = [ ./unifdef-getline.patch ];
# This will allow the usual gcc-cross-wrapper strip phase work as usual
crossConfig = if (target != null) then target.config else null;
installPhase = ''
mkdir -p $out
make PREFIX=$out VERBOSE=1 install ${crossMakeFlag}
(cd $out/include && ln -s ${kernelHeaders}/include/* .) || exit 1
sed -i s@/lib/@$out/lib/@g $out/lib/libc.so
'';
meta = {
homepage = http://www.uclibc.org/;
description = "A small implementation of the C library";
license = "LGPLv2";
};
}