74 lines
2.4 KiB
Nix
74 lines
2.4 KiB
Nix
{stdenv, fetchurl, linuxHeaders, libiconv, cross ? null, gccCross ? null}:
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assert stdenv.isLinux;
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assert cross != null -> gccCross != null;
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let
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enableArmEABI = (cross == null && stdenv.platform.kernelArch == "arm")
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|| (cross != null && cross.arch == "arm");
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configArmEABI = if enableArmEABI then
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''-e 's/.*CONFIG_ARM_OABI.*//' \
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-e 's/.*CONFIG_ARM_EABI.*/CONFIG_ARM_EABI=y/' '' else "";
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enableBigEndian = (cross != null && cross.bigEndian);
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configBigEndian = if enableBigEndian then ""
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else
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''-e 's/.*ARCH_BIG_ENDIAN.*/#ARCH_BIG_ENDIAN=y/' \
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-e 's/.*ARCH_WANTS_BIG_ENDIAN.*/#ARCH_WANTS_BIG_ENDIAN=y/' \
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-e 's/.*ARCH_WANTS_LITTLE_ENDIAN.*/ARCH_WANTS_LITTLE_ENDIAN=y/' '';
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archMakeFlag = if (cross != null) then "ARCH=${cross.arch}" else "";
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crossMakeFlag = if (cross != null) then "CROSS=${cross.config}-" else "";
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in
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stdenv.mkDerivation {
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name = "uclibc-0.9.30.2" + stdenv.lib.optionalString (cross != null)
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("-" + cross.config);
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src = fetchurl {
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url = http://www.uclibc.org/downloads/uClibc-0.9.30.2.tar.bz2;
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sha256 = "0wr4hlybssiyswdc73wdcxr31xfbss3lnqiv5lcav3rg3v4r4vmb";
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};
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# 'ftw' needed to build acl, a coreutils dependency
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configurePhase = ''
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make defconfig ${archMakeFlag}
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sed -e s@/usr/include@${linuxHeaders}/include@ \
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-e 's@^RUNTIME_PREFIX.*@RUNTIME_PREFIX="/"@' \
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-e 's@^DEVEL_PREFIX.*@DEVEL_PREFIX="/"@' \
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-e 's@.*UCLIBC_HAS_WCHAR.*@UCLIBC_HAS_WCHAR=y@' \
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-e 's@.*UCLIBC_HAS_FTW.*@UCLIBC_HAS_FTW=y@' \
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-e 's@.*DO_C99_MATH.*@DO_C99_MATH=y@' \
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-e 's@.*UCLIBC_HAS_PROGRAM_INVOCATION_NAME.*@UCLIBC_HAS_PROGRAM_INVOCATION_NAME=y@' \
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${configArmEABI} \
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${configBigEndian} \
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-i .config
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make oldconfig
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'';
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# Cross stripping hurts.
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dontStrip = if (cross != null) then true else false;
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makeFlags = [ crossMakeFlag "VERBOSE=1" ];
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buildInputs = stdenv.lib.optional (gccCross != null) gccCross;
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installPhase = ''
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mkdir -p $out
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make PREFIX=$out VERBOSE=1 install ${crossMakeFlag}
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(cd $out/include && ln -s $(ls -d ${linuxHeaders}/include/* | grep -v "scsi$") .)
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sed -i s@/lib/@$out/lib/@g $out/lib/libc.so
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'';
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passthru = {
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# Derivations may check for the existance of this attribute, to know what to link to.
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inherit libiconv;
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};
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meta = {
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homepage = http://www.uclibc.org/;
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description = "A small implementation of the C library";
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license = "LGPLv2";
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};
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}
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