Move uclibc to uclibc-ng

In order to keep coherence between upstream project's name.

Also, aliasing it to the older names uclibc and uclibcCross.

1 files changed, 118 insertions, 0 deletions

diff --git a/pkgs/os-specific/linux/uclibc-ng/default.nix b/pkgs/os-specific/linux/uclibc-ng/default.nix
new file mode 100644
index 00000000000..1d4166e4083
--- /dev/null
+++ b/pkgs/os-specific/linux/uclibc-ng/default.nix
@@ -0,0 +1,118 @@
+{ lib, stdenv, buildPackages
+, fetchurl, linuxHeaders, libiconvReal
+, extraConfig ? ""
+}:
+
+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
+
+            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
+    }
+  '';
+
+  # 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
+    UCLIBC_HAS_THREADS_NATIVE y
+    KERNEL_HEADERS "${linuxHeaders}/include"
+  '' + lib.optionalString (stdenv.hostPlatform.gcc.float or "" == "soft") ''
+    UCLIBC_HAS_FPU n
+  '' + lib.optionalString (stdenv.isAarch32 && stdenv.buildPlatform != stdenv.hostPlatform) ''
+    CONFIG_ARM_EABI y
+    ARCH_WANTS_BIG_ENDIAN n
+    ARCH_BIG_ENDIAN n
+    ARCH_WANTS_LITTLE_ENDIAN y
+    ARCH_LITTLE_ENDIAN y
+    UCLIBC_HAS_FPU n
+  '';
+
+  version = "1.0.38";
+in
+
+stdenv.mkDerivation {
+  pname = "uclibc-ng";
+  inherit version;
+
+  src = fetchurl {
+    url = "https://downloads.uclibc-ng.org/releases/${version}/uClibc-ng-${version}.tar.bz2";
+    # from "${url}.sha256";
+    sha256 = "sha256-7wexvOOfDpIsM3XcdhHxESz7GsOW+ZkiA0dfiN5rHrU=";
+  };
+
+  # 'ftw' needed to build acl, a coreutils dependency
+  configurePhase = ''
+    make defconfig
+    ${configParser}
+    cat << EOF | parseconfig
+    ${nixConfig}
+    ${extraConfig}
+    ${stdenv.hostPlatform.uclibc.extraConfig or ""}
+    EOF
+    ( set +o pipefail; yes "" | make oldconfig )
+  '';
+
+  hardeningDisable = [ "stackprotector" ];
+
+  # Cross stripping hurts.
+  dontStrip = stdenv.hostPlatform != stdenv.buildPlatform;
+
+  depsBuildBuild = [ buildPackages.stdenv.cc ];
+
+  makeFlags = [
+    "ARCH=${stdenv.hostPlatform.linuxArch}"
+    "TARGET_ARCH=${stdenv.hostPlatform.linuxArch}"
+    "VERBOSE=1"
+  ] ++ lib.optionals (stdenv.buildPlatform != stdenv.hostPlatform) [
+    "CROSS=${stdenv.cc.targetPrefix}"
+  ];
+
+  # `make libpthread/nptl/sysdeps/unix/sysv/linux/lowlevelrwlock.h`:
+  # error: bits/sysnum.h: No such file or directory
+  enableParallelBuilding = false;
+
+  installPhase = ''
+    mkdir -p $out
+    make $makeFlags PREFIX=$out VERBOSE=1 install
+    (cd $out/include && ln -s $(ls -d ${linuxHeaders}/include/* | grep -v "scsi$") .)
+    # libpthread.so may not exist, so I do || true
+    sed -i s@/lib/@$out/lib/@g $out/lib/libc.so $out/lib/libpthread.so || true
+  '';
+
+  passthru = {
+    # Derivations may check for the existance of this attribute, to know what to link to.
+    libiconv = libiconvReal;
+  };
+
+  meta = with lib; {
+    homepage = "https://uclibc-ng.org";
+    description = "A small implementation of the C library";
+    maintainers = with maintainers; [ rasendubi ];
+    license = licenses.lgpl2;
+    platforms = platforms.linux;
+    broken = stdenv.hostPlatform.isAarch32 || stdenv.hostPlatform.isAarch64;
+  };
+}