Merge pull request #38822 from matthewbauer/netbsd

Introducing NetBSD userland
2018-04-24 14:46:01 -05:00 · 2018-04-24 14:46:01 -05:00 · ab92a474a9
commit ab92a474a9
parent 78d9bffc0a 31ef995e37
10 changed files with 1375 additions and 3 deletions
--- a/pkgs/build-support/fetchcvs/builder.sh
+++ b/pkgs/build-support/fetchcvs/builder.sh
@ -1,5 +1,10 @@
 source $stdenv/setup

+(echo '#!/usr/bin/env sh'; \
+ echo 'ssh -o UserKnownHostsFile=/dev/null -o StrictHostKeyChecking=no "$@"') > ssh
+chmod +x ssh
+export CVS_RSH=$PWD/ssh
+
 # creating the export drictory and checking out there only to be able to
 # move the content without the root directory into $out ...
 # cvs -f -d "$url" export $tag -d "$out" "$module"
--- a/pkgs/build-support/fetchcvs/default.nix
+++ b/pkgs/build-support/fetchcvs/default.nix
@ -3,14 +3,14 @@
 # tag="<tagname>" (get version by tag name)
 # If you don't specify neither one date="NOW" will be used (get latest)

-{stdenvNoCC, cvs}:
+{stdenvNoCC, cvs, openssh}:

 {cvsRoot, module, tag ? null, date ? null, sha256}:

 stdenvNoCC.mkDerivation {
  name = "cvs-export";
  builder = ./builder.sh;
-  nativeBuildInputs = [cvs];
+  nativeBuildInputs = [cvs openssh];

  outputHashAlgo = "sha256";
  outputHashMode = "recursive";
--- a/pkgs/os-specific/bsd/default.nix
+++ b/pkgs/os-specific/bsd/default.nix
@ -0,0 +1,8 @@
+{ callPackages, recurseIntoAttrs }:
+
+rec {
+  netbsd = recurseIntoAttrs (callPackages ./netbsd {});
+  openbsd = recurseIntoAttrs (callPackages ./openbsd {
+    inherit (netbsd) compat netBSDDerivation libcurses;
+  });
+}
--- a/pkgs/os-specific/bsd/netbsd/compat-setup-hook.sh
+++ b/pkgs/os-specific/bsd/netbsd/compat-setup-hook.sh
@ -0,0 +1,18 @@
+setupCompatFlags() {
+    # The `depHostOffset` describes how the host platform of the dependencies
+    # are slid relative to the depending package. It is brought into scope of
+    # the environment hook defined as the role of the dependency being applied.
+    case $depHostOffset in
+        -1) local role='BUILD_' ;;
+        0)  local role='' ;;
+        1)  local role='TARGET_' ;;
+        *)  echo "cc-wrapper: Error: Cannot be used with $depHostOffset-offset deps" >2;
+            return 1 ;;
+    esac
+
+    export NIX_${role}LDFLAGS+=" -lnbcompat"
+    export NIX_${role}CFLAGS_COMPILE+=" -DHAVE_NBTOOL_CONFIG_H"
+    export NIX_${role}CFLAGS_COMPILE+=" -include nbtool_config.h"
+}
+
+addEnvHooks "$hostOffset" setupCompatFlags
--- a/pkgs/os-specific/bsd/netbsd/default.nix
+++ b/pkgs/os-specific/bsd/netbsd/default.nix
@ -0,0 +1,404 @@
+{ stdenv, hostPlatform, fetchcvs, lib, groff, mandoc, zlib, coreutils
+, yacc, flex, libressl, bash }:
+
+let
+  fetchNetBSD = path: version: sha256: fetchcvs {
+    cvsRoot = ":pserver:anoncvs@anoncvs.NetBSD.org:/cvsroot";
+    module = "src/${path}";
+    inherit sha256;
+    tag = "netbsd-${builtins.replaceStrings ["."] ["-"] version}-RELEASE";
+  };
+
+  netBSDDerivation = attrs: stdenv.mkDerivation ((rec {
+    name = "${attrs.pname or (baseNameOf attrs.path)}-netbsd-${attrs.version}";
+    src = fetchNetBSD attrs.path attrs.version attrs.sha256;
+
+    extraPaths = [ ];
+
+    nativeBuildInputs = [ makeMinimal mandoc groff install yacc flex ];
+    buildInputs = [ compat ];
+    installFlags = [ "includes" ];
+
+    # These should be coverd in nbcompat, but are missing, sadly
+    NIX_CFLAGS_COMPILE = [
+      "-D__noinline="
+      "-D__warn_references(a,b)="
+      "-D__strong_alias(a,b)="
+      "-D__va_list=va_list"
+    ];
+
+    # Definitions passed to share/mk/*.mk. Should be pretty simple -
+    # eventually maybe move it to a configure script.
+    DESTDIR = "$(out)";
+    TOOLDIR = "$(out)";
+    USETOOLS = "never";
+    NOCLANGERROR="yes";
+    NOGCCERROR="yes";
+    LEX = "flex";
+
+    # libs will be provided by cc-wrapper
+    LIBCRT0="";
+    LIBCRTI="";
+    LIBCRTEND="";
+    LIBCRTBEGIN="";
+    LIBC="";
+    LIBUTIL="";
+    LIBSSL = "";
+    LIBCRYPTO = "";
+    LIBCURSES = "";
+    "LIBDO.terminfo" = "_external";
+    _GCC_CRTBEGIN = "";
+    _GCC_CRTBEGINS = "";
+    _GCC_CRTEND = "";
+    _GCC_CRTENDS = "";
+    _GCC_LIBGCCDIR = "";
+    _GCC_CRTI = "";
+    _GCC_CRTDIR = "";
+    _GCC_CRTN = "";
+
+    # all dirs will be prefixed with DESTDIR
+    BINDIR = "/bin";
+    LIBDIR = "/lib";
+    SHLIBDIR = "/lib";
+    MANDIR = "/share/man";
+    INFODIR = "/share/info";
+    DOCDIR = "/share/doc";
+    LOCALEDIR = "/share/locale";
+    X11BINDIR = "/bin";
+    X11USRLIBDIR = "/lib";
+    X11MANDIR = "/share/man";
+    SHLINKDIR = "/usr/libexec";
+
+    HOST_SH = "${bash}/bin/sh";
+
+    # not using bsd binutils
+    SHLIB_WARNTEXTREL = "no";
+    SHLIB_MKMAP = "no";
+    OBJCOPY = "true";
+    PRESERVE = "-p";
+
+    MACHINE_ARCH = hostPlatform.parsed.cpu.name;
+    MACHINE_CPU = hostPlatform.parsed.cpu.name;
+
+    # NetBSD makefiles should be able to detect this
+    # but without they end up using gcc on Darwin stdenv
+    preConfigure = ''
+      export HAVE_${if stdenv.cc.isGNU then "GCC" else "LLVM"}=${lib.head (lib.splitString "." (lib.getVersion stdenv.cc.cc))}
+    '' + lib.optionalString (!builtins.hasAttr "nativeBuildInputs" attrs) ''
+      # hack until #38657 is fixed
+      export PATH=${install}/bin:$PATH
+    '';
+
+    postUnpack = ''
+      # merge together all extra paths
+      # there should be a better way to do this
+      sourceRoot=$PWD/$sourceRoot
+      export NETBSDSRCDIR=$sourceRoot
+      export BSDSRCDIR=$NETBSDSRCDIR
+      chmod -R u+w $sourceRoot
+      for path in $extraPaths; do
+        cd $path
+        find . -type d -exec mkdir -p $sourceRoot/\{} \;
+        find . -type f -exec cp -pr \{} $sourceRoot/\{} \;
+        chmod -R u+w $sourceRoot
+      done
+
+      cd $sourceRoot
+      if [ -d ${attrs.path} ]
+        then sourceRoot=$sourceRoot/${attrs.path}
+      fi
+    '';
+
+    # need to create directories for xinstall to work
+    preInstall = ''
+      mkdir -p $out$BINDIR $out$LIBDIR $out$INFODIR \
+               $out$DOCDIR $out$LOCALEDIR
+      for i in 1 2 3 4 5 6 7 8 9; do
+        mkdir -p $out$MANDIR/man$i $out$MANDIR/html$i
+      done
+      mkdir -p $out/usr/include
+    '';
+
+    postInstall = ''
+      # Remove lingering /usr references
+      if [ -d $out/usr ]; then
+        cd $out/usr
+        find . -type d -exec mkdir -p $out/\{} \;
+        find . -type f -exec mv \{} $out/\{} \;
+        find . -type d -delete
+      fi
+
+      find $out -type d -empty -delete
+    '';
+
+    meta = with lib; {
+      maintainers = with maintainers; [matthewbauer];
+      platforms = platforms.unix;
+      license = licenses.bsd2;
+    };
+  }) // attrs);
+
+  # BOOTSTRAPPING
+  makeMinimal = netBSDDerivation rec {
+    path = "tools/make";
+    sha256 = "0l4794zwj2haark3azf9xwcwqlkbrifhb2glaa9iba4dkg2mklsb";
+    version = "7.1.2";
+
+    buildInputs = [];
+    nativeBuildInputs = [];
+    NIX_CFLAGS_COMPILE = "";
+    NIX_LDFLAGS = "";
+
+    patchPhase = ''
+      patchShebangs configure
+      ${make.patchPhase}
+    '';
+    buildPhase = "sh ./buildmake.sh";
+    installPhase = ''
+      install -D nbmake $out/bin/nbmake
+      ln -s $out/bin/nbmake $out/bin/make
+      mkdir -p $out/share
+      cp -r ../../share/mk $out/share/mk
+    '';
+    extraPaths = [ make.src ] ++ make.extraPaths;
+  };
+
+  compat = netBSDDerivation {
+    path = "tools/compat";
+    sha256 = "17phkfafybxwhzng44k5bhmag6i55br53ky1nwcmw583kg2fa86z";
+    version = "7.1.2";
+
+    setupHook = ./compat-setup-hook.sh;
+
+    # override defaults to prevent infinite recursion
+    nativeBuildInputs = [ makeMinimal ];
+    buildInputs = [ zlib ];
+    NIX_CFLAGS_COMPILE = "";
+    NIX_LDFLAGS = "";
+
+    # temporarily use gnuinstall for bootstrapping
+    # bsdinstall will be built later
+    makeFlags = "INSTALL=${coreutils}/bin/install";
+    RENAME = "-D";
+
+    postInstall = ''
+      mv $out/include/compat/* $out/include
+      rmdir $out/include/compat
+
+      # why aren't these installed by netbsd?
+      install -D compat_defs.h $out/include/compat_defs.h
+      install -D $NETBSDSRCDIR/include/cdbw.h $out/include/cdbw.h
+      install -D $NETBSDSRCDIR/sys/sys/cdbr.h $out/include/cdbr.h
+      install -D $NETBSDSRCDIR/sys/sys/featuretest.h \
+                 $out/include/sys/featuretest.h
+      install -D $NETBSDSRCDIR/sys/sys/md5.h $out/include/md5.h
+      install -D $NETBSDSRCDIR/sys/sys/rmd160.h $out/include/rmd160.h
+      install -D $NETBSDSRCDIR/sys/sys/sha1.h $out/include/sha1.h
+      install -D $NETBSDSRCDIR/sys/sys/sha2.h $out/include/sha2.h
+    '';
+    extraPaths = [ libc.src libutil.src
+      (fetchNetBSD "include" "7.1.2" "1vc58xrhrp202biiv1chhlh0jwnjr7k3qq91pm46k6v5j95j0qwp")
+      (fetchNetBSD "external/bsd/flex" "7.1.2" "0m0m72r3zzc9gi432h3xkqdzspr4n0hj4m8h7j74pwbvpfg9d9qq")
+      (fetchNetBSD "sys/sys" "7.1.2" "1vwnv5nk7rlgn5w9nkdqj9652hmwmfwqxj3ymcz0zk10abbaib93")
+    ] ++ libutil.extraPaths ++ libc.extraPaths;
+  };
+
+  install = netBSDDerivation {
+    path = "usr.bin/xinstall";
+    version = "7.1.2";
+    sha256 = "0nzhyh714m19h61m45gzc5dszkbafp5iaphbp5mza6w020fzf2y8";
+    extraPaths = [ mtree.src make.src ];
+    nativeBuildInputs = [ makeMinimal mandoc groff compat ];
+    RENAME = "-D";
+  };
+  # END BOOTSTRAPPING
+
+  libutil = netBSDDerivation {
+    path = "lib/libutil";
+    version = "7.1.2";
+    sha256 = "12848ynizz13mvn2kndrkq482xhkw323b7c8fg0zli1nhfsmwsm8";
+    extraPaths = [
+      (fetchNetBSD "common/lib/libutil" "7.1.2" "0q3ixrf36lip1dx0gafs0a03qfs5cs7n0myqq7af4jpjd6kh1831")
+    ];
+  };
+
+  libc = netBSDDerivation {
+    path = "lib/libc";
+    version = "7.1.2";
+    sha256 = "13rcx3mbx2644z01zgk9gggdfr0hqdbsvd7zrsm2l13yf9aix6pg";
+    extraPaths = [
+      (fetchNetBSD "common/lib/libc" "7.1.2" "1va8zd4lqyrc1d0c9q04r8y88cfxpkhwcxasggxxvhksd3khkpha")
+    ];
+  };
+
+  make = netBSDDerivation {
+    path = "usr.bin/make";
+    sha256 = "0srkkg6qdzqlccfi4xh19gl766ks6hpss76bnfvwmd0zg4q4zdar";
+    version = "7.1.2";
+    patchPhase = ''
+      # make needs this to pick up our sys make files
+      NIX_CFLAGS_COMPILE+=" -D_PATH_DEFSYSPATH=\"$out/share/mk\""
+
+      # can't set owner or group in Nix build
+      # maybe there is a better way to trick it?
+      substituteInPlace $NETBSDSRCDIR/share/mk/bsd.prog.mk \
+        --replace '-o ''${SCRIPTSOWN_''${.ALLSRC:T}:U''${SCRIPTSOWN}}' "" \
+        --replace '-g ''${SCRIPTSGRP_''${.ALLSRC:T}:U''${SCRIPTSGRP}}' "" \
+        --replace '-o ''${RUMPBINOWN} -g ''${RUMPBINGRP}' "" \
+        --replace '-o ''${BINOWN} -g ''${BINGRP}' "" \
+        --replace '-o ''${RUMPBINOWN} -g ''${RUMPBINGRP}' "" \
+        --replace '-o ''${DEBUGOWN} -g ''${DEBUGGRP}' ""
+      substituteInPlace $NETBSDSRCDIR/share/mk/bsd.doc.mk \
+        --replace '-o ''${DOCOWN} -g ''${DOCGRP}' ""
+      substituteInPlace $NETBSDSRCDIR/share/mk/bsd.man.mk \
+        --replace '-o ''${MANOWN} -g ''${MANGRP}' ""
+      substituteInPlace $NETBSDSRCDIR/share/mk/bsd.files.mk \
+        --replace '-o ''${FILESOWN_''${.ALLSRC:T}:U''${FILESOWN}}' "" \
+        --replace '-g ''${FILESGRP_''${.ALLSRC:T}:U''${FILESGRP}}' ""
+      substituteInPlace $NETBSDSRCDIR/share/mk/bsd.inc.mk \
+        --replace '-o ''${BINOWN} -g ''${BINGRP}' ""
+      substituteInPlace $NETBSDSRCDIR/share/mk/bsd.lib.mk \
+        --replace '-o ''${DEBUGOWN} -g ''${DEBUGGRP}' "" \
+        --replace '-o ''${LIBOWN} -g ''${LIBGRP}' ""
+
+      substituteInPlace $NETBSDSRCDIR/share/mk/Makefile \
+        --replace /usr/share/mk /share/mk
+      substituteInPlace $NETBSDSRCDIR/share/mk/bsd.sys.mk \
+        --replace '-Wl,--fatal-warnings' ""
+      substituteInPlace $NETBSDSRCDIR/share/mk/bsd.lib.mk \
+        --replace ' ''${_ARFL} ''${.TARGET} `NM=''${NM} ''${LORDER} ''${.ALLSRC:M*o} | ''${TSORT}`' ' ''${_ARFL} ''${.TARGET} ''${.ALLSRC:M*o}' \
+        --replace '-Wl,-soname,''${_LIB}.so.''${SHLIB_SOVERSION}' "" \
+        --replace '-Wl,--whole-archive' "" \
+        --replace '-Wl,--no-whole-archive' ""
+    '';
+    postInstall = ''
+      (cd $NETBSDSRCDIR/share/mk && make install)
+    '';
+    extraPaths = [
+      (fetchNetBSD "share/mk" "7.1.2" "0570v0siv0wygn8ygs1yy9pgk9xjw9x1axr5qg4xrddv3lskf9xa")
+    ];
+  };
+
+  mtree = netBSDDerivation {
+    path = "usr.sbin/mtree";
+    version = "7.1.2";
+    sha256 = "1dhsyfvcm67kf5zdbg5dmx5y8fimnbll6qxwp3gjfmbxqigmc52m";
+  };
+
+in rec {
+  inherit compat libc libutil install make mtree netBSDDerivation;
+
+  getent = netBSDDerivation {
+    path = "usr.bin/getent";
+    sha256 = "1ylhw4dnpyrmcy8n5kjcxywm8qc9p124dqnm17x4magiqx1kh9iz";
+    version = "7.1.2";
+    patches = [ ./getent.patch ];
+  };
+
+  getconf = netBSDDerivation {
+    path = "usr.bin/getconf";
+    sha256 = "122vslz4j3h2mfs921nr2s6m078zcj697yrb75rwp2hnw3qz4s8q";
+    version = "7.1.2";
+  };
+
+  fts = netBSDDerivation {
+    pname = "fts";
+    path = "include/fts.h";
+    sha256 = "01d4fpxvz1pgzfk5xznz5dcm0x0gdzwcsfm1h3d0xc9kc6hj2q77";
+    version = "7.1.2";
+    nativeBuildInputs = [ ];
+    extraPaths = [
+      (fetchNetBSD "lib/libc/gen/fts.c" "7.1.2" "1yfd2liypj6xky2h0mgxi5lgpflmkkg4zf3ii3apz5cf8jq9gmn9")
+      (fetchNetBSD "lib/libc/include/namespace.h" "7.1.2" "0kwd4v8y0mfjhmwplsk52pvzbcpvpp2qy2g8c0jmfraam63q6q1y")
+      (fetchNetBSD "lib/libc/gen/fts.3" "7.1.2" "1asxw0n3fhjdadwkkq3xplfgqgl3q32w1lyrvbakfa3gs0wz5zc1")
+    ];
+    buildPhase = ''
+      cc  -c -Iinclude -Ilib/libc/include lib/libc/gen/fts.c \
+          -o lib/libc/gen/fts.o
+      ar -rsc libfts.a lib/libc/gen/fts.o
+    '';
+    installPhase = ''
+      install -D lib/libc/gen/fts.3 $out/share/man/man3/fts.3
+      install -D include/fts.h $out/include/fts.h
+      install -D lib/libc/include/namespace.h $out/include/namespace.h
+      install -D libfts.a $out/lib/libfts.a
+    '';
+    setupHook = ./fts-setup-hook.sh;
+  };
+
+  games = netBSDDerivation {
+    path = "games";
+    sha256 = "04wjsang8f8kxsifiayklbxaaxmm3vx9rfr91hfbxj4hk8gkqzy1";
+    version = "7.1.2";
+    patchPhase = ''
+      sed -i '1i #include <time.h>' adventure/save.c
+    '';
+  };
+
+  who = netBSDDerivation {
+    path = "usr.bin/who";
+    version = "7.1.2";
+    sha256 = "17ffwww957m3qw0b6fkgjpp12pd5ydg2hs9dxkkw0qpv11j00d88";
+  };
+
+  finger = netBSDDerivation {
+    path = "usr.bin/finger";
+    sha256 = "0jl672z50f2yf7ikp682b3xrarm6bnrrx9vi94xnp2fav8m8zfyi";
+    version = "7.1.2";
+    extraPaths = [ who.src ];
+  };
+
+  fingerd = netBSDDerivation {
+    path = "usr.bin/fingerd";
+    sha256 = "04wjsang8f8kxsifiayklbxaaxmm3vx9rfr91hfbxj4hk8gkqz00";
+    version = "7.1.2";
+  };
+
+  libedit = netBSDDerivation {
+    path = "lib/libedit";
+    buildInputs = [ compat libterminfo ];
+    patchPhase = ''
+      sed -i '1i #undef bool_t' el.h
+    '';
+    version = "7.1.2";
+    sha256 = "0qvr52j4qih10m7fa8nddn1psyjy9l0pa4ix02acyssjvgbz2kca";
+  };
+
+  libterminfo = netBSDDerivation {
+    path = "lib/libterminfo";
+    version = "7.1.2";
+    sha256 = "06plg0bjqgbb0aghpb9qlk8wkp1l2izdlr64vbr5laqyw8jg84zq";
+    buildInputs = [ compat tic nbperf ];
+    extraPaths = [
+      (fetchNetBSD "share/terminfo" "7.1.2" "1z5vzq8cw24j05r6df4vd6r57cvdbv7vbm4h962kplp14xrbg2h3")
+    ];
+  };
+
+  libcurses = netBSDDerivation {
+    path = "lib/libcurses";
+    version = "7.1.2";
+    sha256 = "04djah9dadzw74nswn0xydkxn900kav8xdvxlxdl50nbrynxg9yf";
+    buildInputs = [ compat libterminfo ];
+    MKDOC = "no"; # missing vfontedpr
+  };
+
+  nbperf = netBSDDerivation {
+    path = "usr.bin/nbperf";
+    version = "7.1.2";
+    sha256 = "0gzm0zv2400lasnsswnjw9bwzyizhxzdbrcjwcl1k65aj86aqyqb";
+  };
+
+  tic = netBSDDerivation {
+    path = "tools/tic";
+    version = "7.1.2";
+    sha256 = "092y7db7k4kh2jq8qc55126r5qqvlb8lq8mhmy5ipbi36hwb4zrz";
+    HOSTPROG = "tic";
+    buildInputs = [ compat nbperf ];
+    extraPaths = [
+      libterminfo.src
+      (fetchNetBSD "usr.bin/tic" "7.1.2" "1ghwsaag4gbwvgp3lfxscnh8hn27n8cscwmgjwp3bkx5vl85nfsa")
+      (fetchNetBSD "tools/Makefile.host" "7.1.2" "076r3amivb6xranpvqjmg7x5ibj4cbxaa3z2w1fh47h7d55dw9w8")
+    ];
+  };
+
+}
--- a/pkgs/os-specific/bsd/netbsd/fts-setup-hook.sh
+++ b/pkgs/os-specific/bsd/netbsd/fts-setup-hook.sh
@ -0,0 +1,16 @@
+ftsLdflags() {
+    # The `depHostOffset` describes how the host platform of the dependencies
+    # are slid relative to the depending package. It is brought into scope of
+    # the environment hook defined as the role of the dependency being applied.
+    case $depHostOffset in
+        -1) local role='BUILD_' ;;
+        0)  local role='' ;;
+        1)  local role='TARGET_' ;;
+        *)  echo "cc-wrapper: Error: Cannot be used with $depHostOffset-offset deps" >2;
+            return 1 ;;
+    esac
+
+    export NIX_${role}LDFLAGS+=" -lfts"
+}
+
+addEnvHooks "$hostOffset" ftsLdflags
--- a/pkgs/os-specific/bsd/netbsd/getent.patch
+++ b/pkgs/os-specific/bsd/netbsd/getent.patch
@ -0,0 +1,455 @@
+Author: Matthew Bauer
+Description: Remove unavailable getent databases
+Version: 7.1.2
+--- a/getent.c	2018-04-16 13:33:49.000000000 -0500
+++ b/getent.c	2018-04-16 13:29:30.000000000 -0500
+@@ -42,7 +42,6 @@
+ #include <grp.h>
+ #include <limits.h>
+ #include <netdb.h>
+-#include <netgroup.h>
+ #include <pwd.h>
+ #include <stdio.h>
+ #include <stdarg.h>
+@@ -57,27 +56,16 @@
+ #include <arpa/nameser.h>
+ 
+ #include <net/if.h>
+-#include <net/if_ether.h>
+ 
+ #include <netinet/in.h>		/* for INET6_ADDRSTRLEN */
+ 
+-#include <rpc/rpcent.h>
+-
+-#include <disktab.h>
+-
+ static int	usage(void) __attribute__((__noreturn__));
+ static int	parsenum(const char *, unsigned long *);
+-static int	disktab(int, char *[]);
+-static int	gettytab(int, char *[]);
+-static int	ethers(int, char *[]);
+ static int	group(int, char *[]);
+ static int	hosts(int, char *[]);
+-static int	netgroup(int, char *[]);
+ static int	networks(int, char *[]);
+ static int	passwd(int, char *[]);
+-static int	printcap(int, char *[]);
+ static int	protocols(int, char *[]);
+-static int	rpc(int, char *[]);
+ static int	services(int, char *[]);
+ static int	shells(int, char *[]);
+ 
+@@ -92,17 +80,11 @@
+ 	const char	*name;
+ 	int		(*callback)(int, char *[]);
+ } databases[] = {
+-	{	"disktab",	disktab,	},
+-	{	"ethers",	ethers,		},
+-	{	"gettytab",	gettytab,	},
+ 	{	"group",	group,		},
+ 	{	"hosts",	hosts,		},
+-	{	"netgroup",	netgroup,	},
+ 	{	"networks",	networks,	},
+ 	{	"passwd",	passwd,		},
+-	{	"printcap",	printcap,	},
+ 	{	"protocols",	protocols,	},
+-	{	"rpc",		rpc,		},
+ 	{	"services",	services,	},
+ 	{	"shells",	shells,		},
+ 
+@@ -195,49 +177,6 @@
+ 	(void)printf("\n");
+ }
+ 
+-
+-		/*
+-		 * ethers
+-		 */
+-
+-static int
+-ethers(int argc, char *argv[])
+-{
+-	char		hostname[MAXHOSTNAMELEN + 1], *hp;
+-	struct ether_addr ea, *eap;
+-	int		i, rv;
+-
+-	assert(argc > 1);
+-	assert(argv != NULL);
+-
+-#define ETHERSPRINT	(void)printf("%-17s  %s\n", ether_ntoa(eap), hp)
+-
+-	rv = RV_OK;
+-	if (argc == 2) {
+-		warnx("Enumeration not supported on ethers");
+-		rv = RV_NOENUM;
+-	} else {
+-		for (i = 2; i < argc; i++) {
+-			if ((eap = ether_aton(argv[i])) == NULL) {
+-				eap = &ea;
+-				hp = argv[i];
+-				if (ether_hostton(hp, eap) != 0) {
+-					rv = RV_NOTFOUND;
+-					break;
+-				}
+-			} else {
+-				hp = hostname;
+-				if (ether_ntohost(hp, eap) != 0) {
+-					rv = RV_NOTFOUND;
+-					break;
+-				}
+-			}
+-			ETHERSPRINT;
+-		}
+-	}
+-	return rv;
+-}
+-
+ 		/*
+ 		 * group
+ 		 */
+@@ -298,7 +237,7 @@
+ hosts(int argc, char *argv[])
+ {
+ 	struct hostent	*he;
+-	char		addr[IN6ADDRSZ];
+	char		addr[NS_IN6ADDRSZ];
+ 	int		i, rv;
+ 
+ 	assert(argc > 1);
+@@ -312,9 +251,9 @@
+ 	} else {
+ 		for (i = 2; i < argc; i++) {
+ 			if (inet_pton(AF_INET6, argv[i], (void *)addr) > 0)
+-				he = gethostbyaddr(addr, IN6ADDRSZ, AF_INET6);
+				he = gethostbyaddr(addr, NS_IN6ADDRSZ, AF_INET6);
+ 			else if (inet_pton(AF_INET, argv[i], (void *)addr) > 0)
+-				he = gethostbyaddr(addr, INADDRSZ, AF_INET);
+				he = gethostbyaddr(addr, NS_INADDRSZ, AF_INET);
+ 			else
+ 				he = gethostbyname(argv[i]);
+ 			if (he != NULL)
+@@ -330,48 +269,6 @@
+ }
+ 
+ 		/*
+-		 * netgroup
+-		 */
+-static int
+-netgroup(int argc, char *argv[])
+-{
+-	int		rv, i;
+-	bool		first;
+-	const char	*host, *user, *domain;
+-
+-	assert(argc > 1);
+-	assert(argv != NULL);
+-
+-#define NETGROUPPRINT(s)	(((s) != NULL) ? (s) : "")
+-
+-	rv = RV_OK;
+-	if (argc == 2) {
+-		warnx("Enumeration not supported on netgroup");
+-		rv = RV_NOENUM;
+-	} else {
+-		for (i = 2; i < argc; i++) {
+-			setnetgrent(argv[i]);
+-			first = true;
+-			while (getnetgrent(&host, &user, &domain) != 0) {
+-				if (first) {
+-					first = false;
+-					(void)fputs(argv[i], stdout);
+-				}
+-				(void)printf(" (%s,%s,%s)",
+-				    NETGROUPPRINT(host),
+-				    NETGROUPPRINT(user),
+-				    NETGROUPPRINT(domain));
+-			}
+-			if (!first)
+-				(void)putchar('\n');
+-			endnetgrent();
+-		}
+-	}
+-
+-	return rv;
+-}
+-
+-		/*
+ 		 * networks
+ 		 */
+ 
+@@ -464,227 +361,6 @@
+ 	return rv;
+ }
+ 
+-static char *
+-mygetent(const char * const * db_array, const char *name)
+-{
+-	char *buf = NULL;
+-	int error;
+-
+-	switch (error = cgetent(&buf, db_array, name)) {
+-	case -3:
+-		warnx("tc= loop in record `%s' in `%s'", name, db_array[0]);
+-		break;
+-	case -2:
+-		warn("system error fetching record `%s' in `%s'", name,
+-		    db_array[0]);
+-		break;
+-	case -1:
+-	case 0:
+-		break;
+-	case 1:
+-		warnx("tc= reference not found in record for `%s' in `%s'",
+-		    name, db_array[0]);
+-		break;
+-	default:
+-		warnx("unknown error %d in record `%s' in `%s'", error, name,
+-		    db_array[0]);
+-		break;
+-	}
+-	return buf;
+-}
+-
+-static char *
+-mygetone(const char * const * db_array, int first)
+-{
+-	char *buf = NULL;
+-	int error;
+-
+-	switch (error = (first ? cgetfirst : cgetnext)(&buf, db_array)) {
+-	case -2:
+-		warnx("tc= loop in `%s'", db_array[0]);
+-		break;
+-	case -1:
+-		warn("system error fetching record in `%s'", db_array[0]);
+-		break;
+-	case 0:
+-	case 1:
+-		break;
+-	case 2:
+-		warnx("tc= reference not found in `%s'", db_array[0]);
+-		break;
+-	default:
+-		warnx("unknown error %d in `%s'", error, db_array[0]);
+-		break;
+-	}
+-	return buf;
+-}
+-
+-static void
+-capprint(const char *cap)
+-{
+-	char *c = strchr(cap, ':');
+-	if (c)
+-		if (c == cap)
+-			(void)printf("true\n");
+-		else {
+-			int l = (int)(c - cap);
+-			(void)printf("%*.*s\n", l, l, cap);
+-		}
+-	else
+-		(void)printf("%s\n", cap);
+-}
+-
+-static void
+-prettyprint(char *b)
+-{
+-#define TERMWIDTH 65
+-	int did = 0;
+-	size_t len;
+-	char *s, c;
+-
+-	for (;;) {
+-		len = strlen(b);
+-		if (len <= TERMWIDTH) {
+-done:
+-			if (did)
+-				printf("\t:");
+-			printf("%s\n", b);
+-			return;
+-		}
+-		for (s = b + TERMWIDTH; s > b && *s != ':'; s--)
+-			continue;
+-		if (*s++ != ':')
+-			goto done;
+-		c = *s;
+-		*s = '\0';
+-		if (did)
+-			printf("\t:");
+-		did++;
+-		printf("%s\\\n", b);
+-		*s = c;
+-		b = s;
+-	}
+-}
+-
+-static void
+-handleone(const char * const *db_array, char *b, int recurse, int pretty,
+-    int level)
+-{
+-	char *tc;
+-
+-	if (level && pretty)
+-		printf("\n");
+-	if (pretty)
+-		prettyprint(b);
+-	else
+-		printf("%s\n", b);
+-	if (!recurse || cgetstr(b, "tc", &tc) <= 0)
+-		return;
+-
+-	b = mygetent(db_array, tc);
+-	free(tc);
+-
+-	if (b == NULL)
+-		return;
+-
+-	handleone(db_array, b, recurse, pretty, ++level);
+-	free(b);
+-}
+-
+-static int
+-handlecap(const char *db, int argc, char *argv[])
+-{
+-	static const char sfx[] = "=#:";
+-	const char *db_array[] = { db, NULL };
+-	char	*b, *cap;
+-	int	i, rv, c;
+-	size_t	j;
+-	int	expand = 1, recurse = 0, pretty = 0;
+-
+-	assert(argc > 1);
+-	assert(argv != NULL);
+-
+-	argc--;
+-	argv++;
+-	while ((c = getopt(argc, argv, "pnr")) != -1)
+-		switch (c) {
+-		case 'n':
+-			expand = 0;
+-			break;
+-		case 'r':
+-			expand = 0;
+-			recurse = 1;
+-			break;
+-		case 'p':
+-			pretty = 1;
+-			break;
+-		default:
+-			usage();
+-			break;
+-		}
+-
+-	argc -= optind;
+-	argv += optind;
+-	csetexpandtc(expand);
+-	rv = RV_OK;
+-	if (argc == 0) {
+-		for (b = mygetone(db_array, 1); b; b = mygetone(db_array, 0)) {
+-			handleone(db_array, b, recurse, pretty, 0);
+-			free(b);
+-		}
+-	} else {
+-		if ((b = mygetent(db_array, argv[0])) == NULL)
+-			return RV_NOTFOUND;
+-		if (argc == 1)
+-			handleone(db_array, b, recurse, pretty, 0);
+-		else {
+-			for (i = 2; i < argc; i++) {
+-				for (j = 0; j < sizeof(sfx) - 1; j++) {
+-					cap = cgetcap(b, argv[i], sfx[j]);
+-					if (cap) {
+-						capprint(cap);
+-						break;
+-					} 
+-				}
+-				if (j == sizeof(sfx) - 1)
+-					printf("false\n");
+-			}
+-		}
+-		free(b);
+-	}
+-	return rv;
+-}
+-
+-		/*
+-		 * gettytab
+-		 */
+-
+-static int
+-gettytab(int argc, char *argv[])
+-{
+-	return handlecap(_PATH_GETTYTAB, argc, argv);
+-}
+-
+-		/*
+-		 * printcap
+-		 */
+-
+-static int
+-printcap(int argc, char *argv[])
+-{
+-	return handlecap(_PATH_PRINTCAP, argc, argv);
+-}
+-
+-		/*
+-		 * disktab
+-		 */
+-
+-static int
+-disktab(int argc, char *argv[])
+-{
+-	return handlecap(_PATH_DISKTAB, argc, argv);
+-}
+-
+ 		/*
+ 		 * protocols
+ 		 */
+@@ -726,47 +402,6 @@
+ }
+ 
+ 		/*
+-		 * rpc
+-		 */
+-
+-static int
+-rpc(int argc, char *argv[])
+-{
+-	struct rpcent	*re;
+-	unsigned long	id;
+-	int		i, rv;
+-	
+-	assert(argc > 1);
+-	assert(argv != NULL);
+-
+-#define RPCPRINT	printfmtstrings(re->r_aliases, "  ", " ", \
+-				"%-16s  %6d", \
+-				re->r_name, re->r_number)
+-
+-	setrpcent(1);
+-	rv = RV_OK;
+-	if (argc == 2) {
+-		while ((re = getrpcent()) != NULL)
+-			RPCPRINT;
+-	} else {
+-		for (i = 2; i < argc; i++) {
+-			if (parsenum(argv[i], &id))
+-				re = getrpcbynumber((int)id);
+-			else
+-				re = getrpcbyname(argv[i]);
+-			if (re != NULL)
+-				RPCPRINT;
+-			else {
+-				rv = RV_NOTFOUND;
+-				break;
+-			}
+-		}
+-	}
+-	endrpcent();
+-	return rv;
+-}
+-
+-		/*
+ 		 * services
+ 		 */
+ 
--- a/pkgs/os-specific/bsd/openbsd/default.nix
+++ b/pkgs/os-specific/bsd/openbsd/default.nix
@ -0,0 +1,42 @@
+{ fetchcvs, netBSDDerivation, compat, libcurses, libressl }:
+
+let
+  fetchOpenBSD = path: version: sha256: fetchcvs {
+    cvsRoot = "anoncvs@anoncvs.ca.openbsd.org:/cvs";
+    module = "src/${path}";
+    inherit sha256;
+    tag = "OPENBSD_${builtins.replaceStrings ["."] ["_"] version}";
+  };
+
+  # OpenBSD is a fork of NetBSD
+  # We can build it with minimal changes
+  openBSDDerivation = attrs: netBSDDerivation (attrs // {
+    name = "${attrs.pname or (baseNameOf attrs.path)}-openbsd-${attrs.version}";
+    src = fetchOpenBSD attrs.path attrs.version attrs.sha256;
+  });
+
+in {
+
+  mg = openBSDDerivation {
+    path = "usr.bin/mg";
+    version = "6.3";
+    sha256 = "0n3hwa81c2mcjwbmidrbvi1l25jh8hy939kqrigbv78jixpynffc";
+    buildInputs = [ compat libcurses ];
+    patchPhase = ''
+      NIX_CFLAGS_COMPILE+=" -I$BSDSRCDIR/sys"
+    '';
+    extraPaths = [
+      (fetchOpenBSD "sys/sys/tree.h" "6.3" "0rimh41wn9wz5m510zk9i27z3s450qqgq2k5xn8kp3885hygbcj9")
+      (fetchOpenBSD "sys/sys/_null.h" "6.3" "0l2rgg9ai4ivfl07zmbqli19vnm3lj7qkxpikqplmzrfp36qpzgr")
+    ];
+  };
+
+  nc = openBSDDerivation {
+    path = "usr.bin/nc";
+    version = "6.3";
+    sha256 = "0fmnh6ccxab0qvhmgspyd3wra1ps2516i0j6hwkvna2lcny20xvr";
+    patches = [ ./nc.patch ];
+    buildInputs = [ compat libressl ];
+  };
+
+}
--- a/pkgs/os-specific/bsd/openbsd/nc.patch
+++ b/pkgs/os-specific/bsd/openbsd/nc.patch
@ -0,0 +1,421 @@
+--- a/nc.1
+++ b/nc.1
+@@ -204,9 +204,6 @@ Proxy authentication is only supported f
+ Specifies the source port
+ .Nm
+ should use, subject to privilege restrictions and availability.
+-It is an error to use this option in conjunction with the
+-.Fl l
+-option.
+ .It Fl R Ar CAfile
+ Specifies the filename from which the root CA bundle for certificate
+ verification is loaded, in PEM format.
+@@ -258,6 +255,7 @@ For IPv4 TOS value
+ may be one of
+ .Ar critical ,
+ .Ar inetcontrol ,
+.Ar lowcost ,
+ .Ar lowdelay ,
+ .Ar netcontrol ,
+ .Ar throughput ,
+--- a/netcat.c
+++ b/netcat.c
+@@ -32,6 +32,8 @@
+  * *Hobbit* <hobbit@avian.org>.
+  */
+ 
+#define _GNU_SOURCE
+
+ #include <sys/types.h>
+ #include <sys/socket.h>
+ #include <sys/uio.h>
+@@ -41,6 +43,49 @@
+ #include <netinet/tcp.h>
+ #include <netinet/ip.h>
+ #include <arpa/telnet.h>
+#ifdef __linux__
+# include <linux/in6.h>
+#endif
+
+#ifndef IPTOS_LOWDELAY
+# define IPTOS_LOWDELAY 0x10
+# define IPTOS_THROUGHPUT 0x08
+# define IPTOS_RELIABILITY 0x04
+# define IPTOS_LOWCOST 0x02
+# define IPTOS_MINCOST IPTOS_LOWCOST
+#endif /* IPTOS_LOWDELAY */
+
+# ifndef IPTOS_DSCP_AF11
+# define	IPTOS_DSCP_AF11		0x28
+# define	IPTOS_DSCP_AF12		0x30
+# define	IPTOS_DSCP_AF13		0x38
+# define	IPTOS_DSCP_AF21		0x48
+# define	IPTOS_DSCP_AF22		0x50
+# define	IPTOS_DSCP_AF23		0x58
+# define	IPTOS_DSCP_AF31		0x68
+# define	IPTOS_DSCP_AF32		0x70
+# define	IPTOS_DSCP_AF33		0x78
+# define	IPTOS_DSCP_AF41		0x88
+# define	IPTOS_DSCP_AF42		0x90
+# define	IPTOS_DSCP_AF43		0x98
+# define	IPTOS_DSCP_EF		0xb8
+#endif /* IPTOS_DSCP_AF11 */
+
+#ifndef IPTOS_DSCP_CS0
+# define	IPTOS_DSCP_CS0		0x00
+# define	IPTOS_DSCP_CS1		0x20
+# define	IPTOS_DSCP_CS2		0x40
+# define	IPTOS_DSCP_CS3		0x60
+# define	IPTOS_DSCP_CS4		0x80
+# define	IPTOS_DSCP_CS5		0xa0
+# define	IPTOS_DSCP_CS6		0xc0
+# define	IPTOS_DSCP_CS7		0xe0
+#endif /* IPTOS_DSCP_CS0 */
+
+#ifndef IPTOS_DSCP_EF
+# define	IPTOS_DSCP_EF		0xb8
+#endif /* IPTOS_DSCP_EF */
+
+ 
+ #include <err.h>
+ #include <errno.h>
+@@ -268,10 +315,14 @@ main(int argc, char *argv[])
+ 			uflag = 1;
+ 			break;
+ 		case 'V':
+# if defined(RT_TABLEID_MAX)
+ 			rtableid = (int)strtonum(optarg, 0,
+ 			    RT_TABLEID_MAX, &errstr);
+ 			if (errstr)
+ 				errx(1, "rtable %s: %s", errstr, optarg);
+# else
+			errx(1, "no alternate routing table support available");
+# endif
+ 			break;
+ 		case 'v':
+ 			vflag = 1;
+@@ -320,7 +371,11 @@ main(int argc, char *argv[])
+ 			oflag = optarg;
+ 			break;
+ 		case 'S':
+# if defined(TCP_MD5SIG)
+ 			Sflag = 1;
+# else
+			errx(1, "no TCP MD5 signature support available");
+# endif
+ 			break;
+ 		case 'T':
+ 			errstr = NULL;
+@@ -345,35 +400,23 @@ main(int argc, char *argv[])
+ 	argc -= optind;
+ 	argv += optind;
+ 
+# if defined(RT_TABLEID_MAX)
+ 	if (rtableid >= 0)
+ 		if (setrtable(rtableid) == -1)
+ 			err(1, "setrtable");
+-
+-	if (family == AF_UNIX) {
+-		if (pledge("stdio rpath wpath cpath tmppath unix", NULL) == -1)
+-			err(1, "pledge");
+-	} else if (Fflag && Pflag) {
+-		if (pledge("stdio inet dns sendfd tty", NULL) == -1)
+-			err(1, "pledge");
+-	} else if (Fflag) { 
+-		if (pledge("stdio inet dns sendfd", NULL) == -1)
+-			err(1, "pledge");
+-	} else if (Pflag && usetls) {
+-		if (pledge("stdio rpath inet dns tty", NULL) == -1)
+-			err(1, "pledge");
+-	} else if (Pflag) {
+-		if (pledge("stdio inet dns tty", NULL) == -1)
+-			err(1, "pledge");
+-	} else if (usetls) {
+-		if (pledge("stdio rpath inet dns", NULL) == -1)
+-			err(1, "pledge");
+-	} else if (pledge("stdio inet dns", NULL) == -1)
+-		err(1, "pledge");
+# endif
+ 
+ 	/* Cruft to make sure options are clean, and used properly. */
+ 	if (argv[0] && !argv[1] && family == AF_UNIX) {
+ 		host = argv[0];
+ 		uport = NULL;
+	} else if (!argv[0] && lflag) {
+		if (sflag)
+			errx(1, "cannot use -s and -l");
+		if (pflag)
+			errx(1, "cannot use -p and -l");
+		if (zflag)
+			errx(1, "cannot use -z and -l");
+ 	} else if (argv[0] && !argv[1]) {
+ 		if (!lflag)
+ 			usage(1);
+@@ -385,12 +428,6 @@ main(int argc, char *argv[])
+ 	} else
+ 		usage(1);
+ 
+-	if (lflag && sflag)
+-		errx(1, "cannot use -s and -l");
+-	if (lflag && pflag)
+-		errx(1, "cannot use -p and -l");
+-	if (lflag && zflag)
+-		errx(1, "cannot use -z and -l");
+ 	if (!lflag && kflag)
+ 		errx(1, "must use -l with -k");
+ 	if (uflag && usetls)
+@@ -425,8 +462,8 @@ main(int argc, char *argv[])
+ 		} else {
+ 			strlcpy(unix_dg_tmp_socket_buf, "/tmp/nc.XXXXXXXXXX",
+ 			    UNIX_DG_TMP_SOCKET_SIZE);
+-			if (mktemp(unix_dg_tmp_socket_buf) == NULL)
+-				err(1, "mktemp");
+			if (mkstemp(unix_dg_tmp_socket_buf) == -1)
+				err(1, "mkstemp");
+ 			unix_dg_tmp_socket = unix_dg_tmp_socket_buf;
+ 		}
+ 	}
+@@ -901,8 +938,10 @@ remote_connect(const char *host, const c
+ 		if (sflag || pflag) {
+ 			struct addrinfo ahints, *ares;
+ 
+# if defined (SO_BINDANY)
+ 			/* try SO_BINDANY, but don't insist */
+ 			setsockopt(s, SOL_SOCKET, SO_BINDANY, &on, sizeof(on));
+# endif
+ 			memset(&ahints, 0, sizeof(struct addrinfo));
+ 			ahints.ai_family = res->ai_family;
+ 			ahints.ai_socktype = uflag ? SOCK_DGRAM : SOCK_STREAM;
+@@ -994,9 +1033,15 @@ local_listen(char *host, char *port, str
+ 		    res->ai_protocol)) < 0)
+ 			continue;
+ 
+		ret = setsockopt(s, SOL_SOCKET, SO_REUSEADDR, &x, sizeof(x));
+		if (ret == -1)
+			err(1, NULL);
+
+# if defined(SO_REUSEPORT)
+ 		ret = setsockopt(s, SOL_SOCKET, SO_REUSEPORT, &x, sizeof(x));
+ 		if (ret == -1)
+ 			err(1, NULL);
+# endif
+ 
+ 		set_common_sockopts(s, res->ai_family);
+ 
+@@ -1452,11 +1497,13 @@ set_common_sockopts(int s, int af)
+ {
+ 	int x = 1;
+ 
+# if defined(TCP_MD5SIG)
+ 	if (Sflag) {
+ 		if (setsockopt(s, IPPROTO_TCP, TCP_MD5SIG,
+ 			&x, sizeof(x)) == -1)
+ 			err(1, NULL);
+ 	}
+# endif
+ 	if (Dflag) {
+ 		if (setsockopt(s, SOL_SOCKET, SO_DEBUG,
+ 			&x, sizeof(x)) == -1)
+@@ -1467,9 +1514,14 @@ set_common_sockopts(int s, int af)
+ 		    IP_TOS, &Tflag, sizeof(Tflag)) == -1)
+ 			err(1, "set IP ToS");
+ 
+#if defined(IPV6_TCLASS)
+ 		else if (af == AF_INET6 && setsockopt(s, IPPROTO_IPV6,
+ 		    IPV6_TCLASS, &Tflag, sizeof(Tflag)) == -1)
+ 			err(1, "set IPv6 traffic class");
+#else
+		else if (af == AF_INET6)
+			errx(1, "can't set IPv6 traffic class (unavailable)");
+#endif
+ 	}
+ 	if (Iflag) {
+ 		if (setsockopt(s, SOL_SOCKET, SO_RCVBUF,
+@@ -1487,19 +1539,34 @@ set_common_sockopts(int s, int af)
+ 		    IP_TTL, &ttl, sizeof(ttl)))
+ 			err(1, "set IP TTL");
+ 
+#if defined(IPV6_UNICAST_HOPS)
+ 		else if (af == AF_INET6 && setsockopt(s, IPPROTO_IPV6,
+ 		    IPV6_UNICAST_HOPS, &ttl, sizeof(ttl)))
+ 			err(1, "set IPv6 unicast hops");
+#else
+		else if (af == AF_INET6)
+			errx(1, "can't set IPv6 unicast hops (unavailable)");
+#endif
+ 	}
+ 
+ 	if (minttl != -1) {
+#if defined(IP_MINTTL)
+ 		if (af == AF_INET && setsockopt(s, IPPROTO_IP,
+ 		    IP_MINTTL, &minttl, sizeof(minttl)))
+ 			err(1, "set IP min TTL");
+#else
+		if (af == AF_INET)
+			errx(1, "can't set IP min TTL (unavailable)");
+#endif
+ 
+#if defined(IPV6_MINHOPCOUNT)
+ 		else if (af == AF_INET6 && setsockopt(s, IPPROTO_IPV6,
+ 		    IPV6_MINHOPCOUNT, &minttl, sizeof(minttl)))
+ 			err(1, "set IPv6 min hop count");
+#else
+		else if (af == AF_INET6)
+			errx(1, "can't set IPv6 min hop count (unavailable)");
+#endif
+ 	}
+ }
+ 
+@@ -1534,6 +1601,7 @@ process_tos_opt(char *s, int *val)
+ 		{ "cs7",		IPTOS_DSCP_CS7 },
+ 		{ "ef",			IPTOS_DSCP_EF },
+ 		{ "inetcontrol",	IPTOS_PREC_INTERNETCONTROL },
+		{ "lowcost",		IPTOS_LOWCOST },
+ 		{ "lowdelay",		IPTOS_LOWDELAY },
+ 		{ "netcontrol",		IPTOS_PREC_NETCONTROL },
+ 		{ "reliability",	IPTOS_RELIABILITY },
+@@ -1741,7 +1812,7 @@ help(void)
+ 	\t-Z		Peer certificate file\n\
+ 	\t-z		Zero-I/O mode [used for scanning]\n\
+ 	Port numbers can be individual or ranges: lo-hi [inclusive]\n");
+-	exit(1);
+	exit(0);
+ }
+ 
+ void
+--- a/socks.c
+++ b/socks.c
+@@ -219,11 +219,11 @@ socks_connect(const char *host, const ch
+ 		buf[2] = SOCKS_NOAUTH;
+ 		cnt = atomicio(vwrite, proxyfd, buf, 3);
+ 		if (cnt != 3)
+-			err(1, "write failed (%zu/3)", cnt);
+			err(1, "write failed (%zu/3)", (size_t)cnt);
+ 
+ 		cnt = atomicio(read, proxyfd, buf, 2);
+ 		if (cnt != 2)
+-			err(1, "read failed (%zu/3)", cnt);
+			err(1, "read failed (%zu/3)", (size_t)cnt);
+ 
+ 		if (buf[1] == SOCKS_NOMETHOD)
+ 			errx(1, "authentication method negotiation failed");
+@@ -272,11 +272,11 @@ socks_connect(const char *host, const ch
+ 
+ 		cnt = atomicio(vwrite, proxyfd, buf, wlen);
+ 		if (cnt != wlen)
+-			err(1, "write failed (%zu/%zu)", cnt, wlen);
+			err(1, "write failed (%zu/%zu)", (size_t)cnt, (size_t)wlen);
+ 
+ 		cnt = atomicio(read, proxyfd, buf, 4);
+ 		if (cnt != 4)
+-			err(1, "read failed (%zu/4)", cnt);
+			err(1, "read failed (%zu/4)", (size_t)cnt);
+ 		if (buf[1] != 0) {
+ 			errx(1, "connection failed, SOCKSv5 error: %s",
+ 			    socks5_strerror(buf[1]));
+@@ -285,12 +285,12 @@ socks_connect(const char *host, const ch
+ 		case SOCKS_IPV4:
+ 			cnt = atomicio(read, proxyfd, buf + 4, 6);
+ 			if (cnt != 6)
+-				err(1, "read failed (%zu/6)", cnt);
+				err(1, "read failed (%zu/6)", (size_t)cnt);
+ 			break;
+ 		case SOCKS_IPV6:
+ 			cnt = atomicio(read, proxyfd, buf + 4, 18);
+ 			if (cnt != 18)
+-				err(1, "read failed (%zu/18)", cnt);
+				err(1, "read failed (%zu/18)", (size_t)cnt);
+ 			break;
+ 		default:
+ 			errx(1, "connection failed, unsupported address type");
+@@ -310,11 +310,11 @@ socks_connect(const char *host, const ch
+ 
+ 		cnt = atomicio(vwrite, proxyfd, buf, wlen);
+ 		if (cnt != wlen)
+-			err(1, "write failed (%zu/%zu)", cnt, wlen);
+			err(1, "write failed (%zu/%zu)", (size_t)cnt, (size_t)wlen);
+ 
+ 		cnt = atomicio(read, proxyfd, buf, 8);
+ 		if (cnt != 8)
+-			err(1, "read failed (%zu/8)", cnt);
+			err(1, "read failed (%zu/8)", (size_t)cnt);
+ 		if (buf[1] != 90) {
+ 			errx(1, "connection failed, SOCKSv4 error: %s",
+ 			    socks4_strerror(buf[1]));
+@@ -328,39 +328,39 @@ socks_connect(const char *host, const ch
+ 
+ 		/* Try to be sane about numeric IPv6 addresses */
+ 		if (strchr(host, ':') != NULL) {
+-			r = snprintf(buf, sizeof(buf),
+			r = snprintf((char*)buf, sizeof(buf),
+ 			    "CONNECT [%s]:%d HTTP/1.0\r\n",
+ 			    host, ntohs(serverport));
+ 		} else {
+-			r = snprintf(buf, sizeof(buf),
+			r = snprintf((char*)buf, sizeof(buf),
+ 			    "CONNECT %s:%d HTTP/1.0\r\n",
+ 			    host, ntohs(serverport));
+ 		}
+ 		if (r == -1 || (size_t)r >= sizeof(buf))
+ 			errx(1, "hostname too long");
+-		r = strlen(buf);
+		r = strlen((char*)buf);
+ 
+ 		cnt = atomicio(vwrite, proxyfd, buf, r);
+ 		if (cnt != r)
+-			err(1, "write failed (%zu/%d)", cnt, r);
+			err(1, "write failed (%zu/%d)", (size_t)cnt, (int)r);
+ 
+ 		if (authretry > 1) {
+ 			char resp[1024];
+ 
+ 			proxypass = getproxypass(proxyuser, proxyhost);
+-			r = snprintf(buf, sizeof(buf), "%s:%s",
+			r = snprintf((char*)buf, sizeof(buf), "%s:%s",
+ 			    proxyuser, proxypass);
+ 			if (r == -1 || (size_t)r >= sizeof(buf) ||
+-			    b64_ntop(buf, strlen(buf), resp,
+			    b64_ntop(buf, strlen((char*)buf), resp,
+ 			    sizeof(resp)) == -1)
+ 				errx(1, "Proxy username/password too long");
+-			r = snprintf(buf, sizeof(buf), "Proxy-Authorization: "
+			r = snprintf((char*)buf, sizeof(buf), "Proxy-Authorization: "
+ 			    "Basic %s\r\n", resp);
+ 			if (r == -1 || (size_t)r >= sizeof(buf))
+ 				errx(1, "Proxy auth response too long");
+-			r = strlen(buf);
+			r = strlen((char*)buf);
+ 			if ((cnt = atomicio(vwrite, proxyfd, buf, r)) != r)
+-				err(1, "write failed (%zu/%d)", cnt, r);
+				err(1, "write failed (%zu/%d)", (size_t)cnt, r);
+ 		}
+ 
+ 		/* Terminate headers */
+@@ -368,22 +368,22 @@ socks_connect(const char *host, const ch
+ 			err(1, "write failed (%zu/2)", cnt);
+ 
+ 		/* Read status reply */
+-		proxy_read_line(proxyfd, buf, sizeof(buf));
+		proxy_read_line(proxyfd, (char*)buf, sizeof(buf));
+ 		if (proxyuser != NULL &&
+-		    strncmp(buf, "HTTP/1.0 407 ", 12) == 0) {
+		    strncmp((char*)buf, "HTTP/1.0 407 ", 12) == 0) {
+ 			if (authretry > 1) {
+ 				fprintf(stderr, "Proxy authentication "
+ 				    "failed\n");
+ 			}
+ 			close(proxyfd);
+ 			goto again;
+-		} else if (strncmp(buf, "HTTP/1.0 200 ", 12) != 0 &&
+-		    strncmp(buf, "HTTP/1.1 200 ", 12) != 0)
+		} else if (strncmp((char*)buf, "HTTP/1.0 200 ", 12) != 0 &&
+		    strncmp((char*)buf, "HTTP/1.1 200 ", 12) != 0)
+ 			errx(1, "Proxy error: \"%s\"", buf);
+ 
+ 		/* Headers continue until we hit an empty line */
+ 		for (r = 0; r < HTTP_MAXHDRS; r++) {
+-			proxy_read_line(proxyfd, buf, sizeof(buf));
+			proxy_read_line(proxyfd, (char*)buf, sizeof(buf));
+ 			if (*buf == '\0')
+ 				break;
+ 		}
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@ -21364,4 +21364,7 @@ with pkgs;
  unixtools = recurseIntoAttrs (callPackages ./unix-tools.nix { });
  inherit (unixtools) hexdump ps logger eject umount
                      mount wall hostname more sysctl;
+
+  inherit (recurseIntoAttrs (callPackages ../os-specific/bsd { }))
+          netbsd openbsd;
 }