{stdenv, fetchurl, linuxHeaders, libiconv, cross ? null, gccCross ? null, extraConfig ? ""}: assert stdenv.isLinux; assert cross != null -> gccCross != null; let configParser = '' function parseconfig { set -x while read LINE; do NAME=`echo "$LINE" | cut -d \ -f 1` OPTION=`echo "$LINE" | cut -d \ -f 2` if test -z "$NAME"; then continue fi if test "$NAME" == "CLEAR"; then echo "parseconfig: CLEAR" echo > .config fi echo "parseconfig: removing $NAME" sed -i /^$NAME=/d .config if test "$OPTION" != n; then echo "parseconfig: setting $NAME=$OPTION" echo "$NAME=$OPTION" >> .config fi done set +x } ''; archMakeFlag = if (cross != null) then "ARCH=${cross.arch}" else ""; crossMakeFlag = if (cross != null) then "CROSS=${cross.config}-" else ""; # UCLIBC_SUSV4_LEGACY defines 'tmpnam', needed for gcc libstdc++ builds. nixConfig = '' RUNTIME_PREFIX "/" DEVEL_PREFIX "/" UCLIBC_HAS_WCHAR y UCLIBC_HAS_FTW y UCLIBC_HAS_RPC y DO_C99_MATH y UCLIBC_HAS_PROGRAM_INVOCATION_NAME y UCLIBC_SUSV4_LEGACY y KERNEL_HEADERS "${linuxHeaders}/include" ''; in stdenv.mkDerivation { name = "uclibc-0.9.33.2" + stdenv.lib.optionalString (cross != null) ("-" + cross.config); src = fetchurl { url = http://www.uclibc.org/downloads/uClibc-0.9.33.2.tar.bz2; sha256 = "0qhngsbzj2s6nz92b1s2p0dmvwk8xiqpy58j7ljzw186grvjr3cq"; }; # 'ftw' needed to build acl, a coreutils dependency configurePhase = '' make defconfig ${archMakeFlag} ${configParser} cat << EOF | parseconfig ${nixConfig} ${extraConfig} ${if cross != null then stdenv.lib.attrByPath [ "uclibc" "extraConfig" ] "" cross else ""} $extraCrossConfig EOF make oldconfig ''; # Cross stripping hurts. dontStrip = if (cross != null) then true else false; makeFlags = [ crossMakeFlag "VERBOSE=1" ]; buildInputs = stdenv.lib.optional (gccCross != null) gccCross; installPhase = '' mkdir -p $out make PREFIX=$out VERBOSE=1 install ${crossMakeFlag} (cd $out/include && ln -s $(ls -d ${linuxHeaders}/include/* | grep -v "scsi$") .) sed -i s@/lib/@$out/lib/@g $out/lib/libc.so ''; passthru = { # Derivations may check for the existance of this attribute, to know what to link to. inherit libiconv; }; meta = { homepage = http://www.uclibc.org/; description = "A small implementation of the C library"; license = "LGPLv2"; }; }