68 lines
1.9 KiB
Nix
68 lines
1.9 KiB
Nix
{stdenv, fetchurl, perl, bison, mktemp, linuxHeaders, linuxHeadersCross}:
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assert stdenv.isLinux;
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let
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version = "1.5.20";
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baseMakeFlags = ["V=1" "prefix=$out" "SHLIBDIR=$out/lib"];
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in
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stdenv.mkDerivation {
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name = "klibc-${version}";
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src = fetchurl {
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url = "mirror://kernel/linux/libs/klibc/1.5/klibc-${version}.tar.bz2";
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sha256 = "07683dn18r3k35d6pp0sn88pqcx7dldqx3m6f2gz45i1j094qp7m";
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};
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patches = [ ./make382.patch ];
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# Trick to make this build on nix. It expects to have the kernel sources
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# instead of only the linux kernel headers.
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# So it cannot run the 'make headers_install' it wants to run.
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# We don't install the headers, so klibc will not be useful as libc, but
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# usually in nixpkgs we only use the userspace tools comming with klibc.
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prePatch = ''
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sed -i -e /headers_install/d scripts/Kbuild.install
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'';
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makeFlags = baseMakeFlags;
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inherit linuxHeaders;
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crossAttrs = {
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makeFlags = baseMakeFlags ++ [ "CROSS_COMPILE=${stdenv.cross.config}-"
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"KLIBCARCH=${stdenv.cross.arch}" ];
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patchPhase = ''
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sed -i 's/-fno-pic -mno-abicalls/& -mabi=32/' usr/klibc/arch/mips/MCONFIG
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sed -i /KLIBCKERNELSRC/d scripts/Kbuild.install
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# Wrong check for __mips64 in klibc
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sed -i s/__mips64__/__mips64/ usr/include/fcntl.h
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'';
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linuxHeaders = linuxHeadersCross;
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};
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# The AEABI option concerns only arm systems, and does not affect the build for
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# other systems.
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preBuild = ''
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sed -i /CONFIG_AEABI/d defconfig
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echo "CONFIG_AEABI=y" >> defconfig
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makeFlags=$(eval "echo $makeFlags")
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mkdir linux
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cp -prsd $linuxHeaders/include linux/
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chmod -R u+w linux/include/
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''; # */
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# Install static binaries as well.
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postInstall = ''
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dir=$out/lib/klibc/bin.static
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mkdir $dir
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cp $(find $(find . -name static) -type f ! -name "*.g" -a ! -name ".*") $dir/
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cp usr/dash/sh $dir/
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'';
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buildNativeInputs = [ perl bison mktemp ];
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}
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