Merge pull request #257559 from emilytrau/minimal-glibc-removal

minimal-bootstrap.*: rebuild packages with musl

pkgs/os-specific/linux/minimal-bootstrap/bash/default.nix

···
 , fetchurl
 , bootBash
 , gnumake
+, gnupatch
 , gnused
 , gnugrep
 , gnutar
 , gawk
 , gzip
-, gcc
-, glibc
-, binutils
-, linux-headers
+, diffutils
+, tinycc
 , derivationWithMeta
 , bash
 , coreutils
···
     url = "mirror://gnu/bash/bash-${version}.tar.gz";
     sha256 = "132qng0jy600mv1fs95ylnlisx2wavkkgpb19c6kmz7lnmjhjwhk";
   };
+
+  patches = [
+    # flush output for generated code
+    ./mksignames-flush.patch
+  ];
 in
 bootBash.runCommand "${pname}-${version}" {
   inherit pname version;
 
   nativeBuildInputs = [
-    gcc
-    binutils
+    coreutils
+    tinycc.compiler
     gnumake
+    gnupatch
     gnused
     gnugrep
     gnutar
     gawk
     gzip
+    diffutils
   ];
 
   passthru.runCommand = name: env: buildCommand:
···
   tar xzf ${src}
   cd bash-${version}
 
+  # Patch
+  ${lib.concatMapStringsSep "\n" (f: "patch -Np1 -i ${f}") patches}
+
   # Configure
-  export CC="gcc -I${glibc}/include -I${linux-headers}/include"
-  export LIBRARY_PATH="${glibc}/lib"
-  export LIBS="-lc -lnss_files -lnss_dns -lresolv"
-  export ac_cv_func_dlopen=no
+  export CC="tcc -B ${tinycc.libs}/lib"
+  export AR="tcc -ar"
+  export LD=tcc
   bash ./configure \
     --prefix=$out \
     --build=${buildPlatform.config} \
     --host=${hostPlatform.config} \
-    --disable-nls \
-    --disable-net-redirections
+    --without-bash-malloc
 
   # Build
-  make SHELL=bash
+  make -j $NIX_BUILD_CORES SHELL=bash
 
   # Install
-  make install
+  make -j $NIX_BUILD_CORES install
   ln -s bash $out/bin/sh
 ''

pkgs/os-specific/linux/minimal-bootstrap/bash/mksignames-flush.patch

···
+--- a/support/mksignames.c
++++ b/support/mksignames.c
+@@ -68,6 +68,7 @@ write_signames (stream)
+   fprintf (stream, "};\n\n");
+   fprintf (stream, "#define initialize_signames()\n\n");
+ #endif
++  fflush(stream);
+ }
+ 
+ int

pkgs/os-specific/linux/minimal-bootstrap/binutils/default.nix

···
 , hostPlatform
 , fetchurl
 , bash
+, coreutils
 , gnumake
 , gnupatch
+, gnused
 , gnugrep
-, gnutar
 , gawk
-, bzip2
-, sed
-, mesBootstrap ? false, tinycc ? null
-, gcc ? null, glibc ? null, binutils ? null, linux-headers
+, diffutils
+, gnutar
+, xz
+, tinycc
 }:
-assert mesBootstrap -> tinycc != null;
-assert !mesBootstrap -> gcc != null && glibc != null && binutils != null;
+
 let
-  pname = "binutils" + lib.optionalString mesBootstrap "-mes";
-  version = "2.20.1";
-  rev = "a";
+  # Based on https://github.com/ZilchOS/bootstrap-from-tcc/blob/2e0c68c36b3437386f786d619bc9a16177f2e149/using-nix/2a1-static-binutils.nix
+  pname = "binutils";
+  version = "2.41";
 
   src = fetchurl {
-    url = "mirror://gnu/binutils/binutils-${version}${rev}.tar.bz2";
-    sha256 = "0r7dr0brfpchh5ic0z9r4yxqn4ybzmlh25sbp30cacqk8nb7rlvi";
+    url = "mirror://gnu/binutils/binutils-${version}.tar.xz";
+    hash = "sha256-rppXieI0WeWWBuZxRyPy0//DHAMXQZHvDQFb3wYAdFA=";
   };
 
   patches = [
-    # Enables building binutils using TCC and Mes C Library
-    (fetchurl {
-      url = "https://git.savannah.gnu.org/cgit/guix.git/plain/gnu/packages/patches/binutils-boot-2.20.1a.patch?id=50249cab3a98839ade2433456fe618acc6f804a5";
-      sha256 = "086sf6an2k56axvs4jlky5n3hs2l3rq8zq5d37h0b69cdyh7igpn";
-    })
-
     # Make binutils output deterministic by default.
     ./deterministic.patch
   ];
···
     "--prefix=${placeholder "out"}"
     "--build=${buildPlatform.config}"
     "--host=${hostPlatform.config}"
-    "--disable-nls"
-    "--disable-shared"
-    "--disable-werror"
     "--with-sysroot=/"
+    "--enable-deterministic-archives"
+    # depends on bison
+    "--disable-gprofng"
 
     # Turn on --enable-new-dtags by default to make the linker set
     # RUNPATH instead of RPATH on binaries.  This is important because
···
   inherit pname version;
 
   nativeBuildInputs = [
-    (if mesBootstrap then tinycc.compiler else gcc)
+    tinycc.compiler
     gnumake
     gnupatch
+    gnused
     gnugrep
-    gnutar
     gawk
-    bzip2
-    sed
-  ] ++ lib.optional (!mesBootstrap) binutils;
+    diffutils
+    gnutar
+    xz
+  ];
 
   passthru.tests.get-version = result:
     bash.runCommand "${pname}-get-version-${version}" {} ''
···
   };
 } ''
   # Unpack
-  cp ${src} binutils.tar.bz2
-  bunzip2 binutils.tar.bz2
+  cp ${src} binutils.tar.xz
+  unxz binutils.tar.xz
   tar xf binutils.tar
   rm binutils.tar
   cd binutils-${version}
 
   # Patch
   ${lib.concatMapStringsSep "\n" (f: "patch -Np1 -i ${f}") patches}
+  sed -i 's|/bin/sh|${bash}/bin/bash|' \
+    missing install-sh mkinstalldirs
+  # see libtool's 74c8993c178a1386ea5e2363a01d919738402f30
+  sed -i 's/| \$NL2SP/| sort | $NL2SP/' ltmain.sh
+  # alias makeinfo to true
+  mkdir aliases
+  ln -s ${coreutils}/bin/true aliases/makeinfo
+  export PATH="$(pwd)/aliases/:$PATH"
 
   # Configure
-  ${if mesBootstrap then ''
-    export CC="tcc -B ${tinycc.libs}/lib -D __GLIBC_MINOR__=6 -D MES_BOOTSTRAP=1"
-    export AR="tcc -ar"
-  '' else ''
-    export CC="gcc -B ${glibc}/lib -I${glibc}/include -I${linux-headers}/include"
-    export CPP="gcc -E -I${glibc}/include -I${linux-headers}/include"
-    export AR="ar"
-    export LIBRARY_PATH="${glibc}/lib"
-    export LIBS="-lc -lnss_files -lnss_dns -lresolv"
-  ''}
-  export SED=sed
+  export CC="tcc -B ${tinycc.libs}/lib"
+  export AR="tcc -ar"
+  export lt_cv_sys_max_cmd_len=32768
+  export CFLAGS="-D__LITTLE_ENDIAN__=1"
   bash ./configure ${lib.concatStringsSep " " configureFlags}
 
   # Build
-  make
+  make -j $NIX_BUILD_CORES all-libiberty all-gas all-bfd all-libctf all-zlib all-gprof
+  make all-ld # race condition on ld/.deps/ldwrite.Po, serialize
+  make -j $NIX_BUILD_CORES
 
   # Install
-  make install
+  make -j $NIX_BUILD_CORES install
 ''

pkgs/os-specific/linux/minimal-bootstrap/bzip2/default.nix

···
 , bash
 , tinycc
 , gnumake
-, gnupatch
+, gnutar
 , gzip
 }:
 let
···
     url = "https://sourceware.org/pub/bzip2/bzip2-${version}.tar.gz";
     sha256 = "0s92986cv0p692icqlw1j42y9nld8zd83qwhzbqd61p1dqbh6nmb";
   };
-
-  patches = [
-    # mes libc has no time support, so we remove that.
-    # It also does not have fch{own,mod}, which we don't care about in the bootstrap
-    # anyway, so we can null-op those calls.
-    (fetchurl {
-      url = "https://github.com/fosslinux/live-bootstrap/raw/87e9d7db9d22b400d1c05247254ac39ee2577e80/sysa/bzip2-1.0.8/patches/mes-libc.patch";
-      sha256 = "14dciwib28h413skzfkh7samzh8x87dmwhldyxxphff04pvl1j3c";
-    })
-  ];
 in
 bash.runCommand "${pname}-${version}" {
   inherit pname version;
···
   nativeBuildInputs = [
     tinycc.compiler
     gnumake
-    gnupatch
+    gnutar
     gzip
   ];
 
   passthru.tests.get-version = result:
     bash.runCommand "${pname}-get-version-${version}" {} ''
-      ${result}/bin/bzip2 --version --help
+      ${result}/bin/bzip2 --help
       mkdir $out
     '';
 
···
   };
 } ''
   # Unpack
-  cp ${src} bzip2.tar.gz
-  gunzip bzip2.tar.gz
-  untar --file bzip2.tar
-  rm bzip2.tar
+  tar xzf ${src}
   cd bzip2-${version}
 
-  # Patch
-  ${lib.concatMapStringsSep "\n" (f: "patch -Np0 -i ${f}") patches}
-
   # Build
   make \
-    CC="tcc -B ${tinycc.libs}/lib -I ." \
+    -j $NIX_BUILD_CORES \
+    CC="tcc -B ${tinycc.libs}/lib" \
     AR="tcc -ar" \
     bzip2 bzip2recover
 
   # Install
-  make install PREFIX=$out
+  make install -j $NIX_BUILD_CORES PREFIX=$out
 ''

pkgs/os-specific/linux/minimal-bootstrap/coreutils/musl.nix

···
+{ lib
+, buildPlatform
+, hostPlatform
+, fetchurl
+, bash
+, tinycc
+, gnumake
+, gnugrep
+, gnused
+, gawk
+, gnutar
+, gzip
+}:
+let
+  pname = "coreutils";
+  version = "9.4";
+
+  src = fetchurl {
+    url = "mirror://gnu/coreutils/coreutils-${version}.tar.gz";
+    hash = "sha256-X2ANkJOXOwr+JTk9m8GMRPIjJlf0yg2V6jHHAutmtzk=";
+  };
+
+  configureFlags = [
+    "--prefix=${placeholder "out"}"
+    "--build=${buildPlatform.config}"
+    "--host=${hostPlatform.config}"
+    # musl 1.1.x doesn't use 64bit time_t
+    "--disable-year2038"
+    # libstdbuf.so fails in static builds
+    "--enable-no-install-program=stdbuf"
+  ];
+in
+bash.runCommand "${pname}-${version}" {
+  inherit pname version;
+
+  nativeBuildInputs = [
+    tinycc.compiler
+    gnumake
+    gnused
+    gnugrep
+    gawk
+    gnutar
+    gzip
+  ];
+
+  passthru.tests.get-version = result:
+    bash.runCommand "${pname}-get-version-${version}" {} ''
+      ${result}/bin/cat --version
+      mkdir $out
+    '';
+
+  meta = with lib; {
+    description = "The GNU Core Utilities";
+    homepage = "https://www.gnu.org/software/coreutils";
+    license = licenses.gpl3Plus;
+    maintainers = teams.minimal-bootstrap.members;
+    platforms = platforms.unix;
+  };
+} ''
+  # Unpack
+  tar xzf ${src}
+  cd coreutils-${version}
+
+  # Configure
+  export CC="tcc -B ${tinycc.libs}/lib"
+  export LD=tcc
+  bash ./configure ${lib.concatStringsSep " " configureFlags}
+
+  # Build
+  make -j $NIX_BUILD_CORES AR="tcc -ar" MAKEINFO="true"
+
+  # Install
+  make -j $NIX_BUILD_CORES install MAKEINFO="true"
+''

pkgs/os-specific/linux/minimal-bootstrap/default.nix

···
 
     bash = callPackage ./bash {
       bootBash = bash_2_05;
-      gcc = gcc2;
-      glibc = glibc22;
-      gawk = gawk-mes;
+      tinycc = tinycc-musl;
+      coreutils = coreutils-musl;
+      gnumake = gnumake-musl;
+      gnutar = gnutar-musl;
     };
 
     binutils = callPackage ./binutils {
       bash = bash_2_05;
-      gcc = gcc2;
-      binutils = binutils-mes;
-      glibc = glibc22;
-      sed = heirloom.sed;
-      gawk = gawk-mes;
-    };
-    binutils-mes = callPackage ./binutils {
-      bash = bash_2_05;
-      tinycc = tinycc-mes;
-      sed = heirloom.sed;
-      gawk = gawk-mes;
-      mesBootstrap = true;
+      tinycc = tinycc-musl;
+      gnumake = gnumake-musl;
+      gnutar = gnutar-musl;
     };
 
     bzip2 = callPackage ./bzip2 {
       bash = bash_2_05;
-      tinycc = tinycc-mes;
+      tinycc = tinycc-musl;
+      gnumake = gnumake-musl;
+      gnutar = gnutar-musl;
     };
 
     coreutils = callPackage ./coreutils { tinycc = tinycc-mes; };
+    coreutils-musl = callPackage ./coreutils/musl.nix {
+      bash = bash_2_05;
+      tinycc = tinycc-musl;
+      gnumake = gnumake-musl;
+      gnutar = gnutar-musl;
+    };
 
     diffutils = callPackage ./diffutils {
       bash = bash_2_05;
-      gcc = gcc2;
-      glibc = glibc22;
-      gawk = gawk-mes;
+      tinycc = tinycc-musl;
+      gnumake = gnumake-musl;
+      gnutar = gnutar-musl;
     };
 
     findutils = callPackage ./findutils {
       bash = bash_2_05;
-      gcc = gcc2;
-      glibc = glibc22;
-      gawk = gawk-mes;
+      tinycc = tinycc-musl;
+      gnumake = gnumake-musl;
+      gnutar = gnutar-musl;
     };
 
     gawk-mes = callPackage ./gawk/mes.nix {
···
 
     gawk = callPackage ./gawk {
       bash = bash_2_05;
-      gcc = gcc2;
-      glibc = glibc22;
+      tinycc = tinycc-musl;
+      gnumake = gnumake-musl;
+      gnutar = gnutar-musl;
       bootGawk = gawk-mes;
     };
 
     gcc2 = callPackage ./gcc/2.nix {
       bash = bash_2_05;
       gcc = gcc2-mes;
-      binutils = binutils-mes;
       glibc = glibc22;
     };
     gcc2-mes = callPackage ./gcc/2.nix {
       bash = bash_2_05;
       tinycc = tinycc-mes;
-      binutils = binutils-mes;
       mesBootstrap = true;
     };
 
     gcc46 = callPackage ./gcc/4.6.nix {
-      gcc = gcc2;
-      glibc = glibc22;
+      tinycc = tinycc-musl;
+      gnumake = gnumake-musl;
+      gnutar = gnutar-musl;
+      # FIXME: not sure why new gawk doesn't work
       gawk = gawk-mes;
     };
 
     inherit (callPackage ./glibc {
       bash = bash_2_05;
       gnused = gnused-mes;
-      gawk = gawk-mes;
     }) glibc22;
 
     gnugrep = callPackage ./gnugrep {
···
 
     gnumake = callPackage ./gnumake { tinycc = tinycc-mes; };
 
+    gnumake-musl = callPackage ./gnumake/musl.nix {
+      bash = bash_2_05;
+      tinycc = tinycc-musl;
+      gawk = gawk-mes;
+      gnumakeBoot = gnumake;
+    };
+
     gnupatch = callPackage ./gnupatch { tinycc = tinycc-mes; };
 
     gnused = callPackage ./gnused {
       bash = bash_2_05;
-      gcc = gcc2;
-      glibc = glibc22;
+      tinycc = tinycc-musl;
       gnused = gnused-mes;
     };
-    gnused-mes = callPackage ./gnused {
+    gnused-mes = callPackage ./gnused/mes.nix {
       bash = bash_2_05;
       tinycc = tinycc-mes;
-      mesBootstrap = true;
     };
 
-    gnutar = callPackage ./gnutar {
+    gnutar = callPackage ./gnutar/mes.nix {
       bash = bash_2_05;
       tinycc = tinycc-mes;
       gnused = gnused-mes;
     };
 
+    gnutar-musl = callPackage ./gnutar/musl.nix {
+      bash = bash_2_05;
+      tinycc = tinycc-musl;
+      gnused = gnused-mes;
+    };
+
     gzip = callPackage ./gzip {
       bash = bash_2_05;
       tinycc = tinycc-mes;
···
 
     musl = callPackage ./musl {
       gcc = gcc46;
+      gnumake = gnumake-musl;
     };
 
     stage0-posix = callPackage ./stage0-posix { };
···
 
     xz = callPackage ./xz {
       bash = bash_2_05;
-      tinycc = tinycc-mes;
-      gawk = gawk-mes;
-      inherit (heirloom) sed;
+      tinycc = tinycc-musl;
+      gnumake = gnumake-musl;
+      gnutar = gnutar-musl;
     };
 
     inherit (callPackage ./utils.nix { }) derivationWithMeta writeTextFile writeText;
···
       echo ${bash.tests.get-version}
       echo ${bash_2_05.tests.get-version}
       echo ${binutils.tests.get-version}
-      echo ${binutils-mes.tests.get-version}
       echo ${bzip2.tests.get-version}
+      echo ${coreutils-musl.tests.get-version}
       echo ${diffutils.tests.get-version}
       echo ${findutils.tests.get-version}
       echo ${gawk-mes.tests.get-version}
···
       echo ${gnused.tests.get-version}
       echo ${gnused-mes.tests.get-version}
       echo ${gnutar.tests.get-version}
+      echo ${gnutar-musl.tests.get-version}
       echo ${gzip.tests.get-version}
       echo ${heirloom.tests.get-version}
       echo ${mes.compiler.tests.get-version}

pkgs/os-specific/linux/minimal-bootstrap/diffutils/default.nix

···
 , hostPlatform
 , fetchurl
 , bash
-, gcc
-, glibc
-, binutils
-, linux-headers
+, tinycc
 , gnumake
 , gnugrep
 , gnused
 , gawk
 , gnutar
-, gzip
+, xz
 }:
 let
   pname = "diffutils";
-  version = "2.8.1";
+  # last version that can be built by tinycc-musl 0.9.27
+  version = "3.8";
 
   src = fetchurl {
-    url = "mirror://gnu/diffutils/diffutils-${version}.tar.gz";
-    sha256 = "0nizs9r76aiymzasmj1jngl7s71jfzl9xfziigcls8k9n141f065";
+    url = "mirror://gnu/diffutils/diffutils-${version}.tar.xz";
+    hash = "sha256-pr3X0bMSZtEcT03mwbdI1GB6sCMa9RiPwlM9CuJDj+w=";
   };
 in
 bash.runCommand "${pname}-${version}" {
   inherit pname version;
 
   nativeBuildInputs = [
-    gcc
-    binutils
+    tinycc.compiler
     gnumake
     gnused
     gnugrep
     gawk
     gnutar
-    gzip
+    xz
   ];
 
   passthru.tests.get-version = result:
···
   };
 } ''
   # Unpack
-  tar xzf ${src}
+  cp ${src} diffutils.tar.xz
+  unxz diffutils.tar.xz
+  tar xf diffutils.tar
+  rm diffutils.tar
   cd diffutils-${version}
 
   # Configure
-  export C_INCLUDE_PATH="${glibc}/include:${linux-headers}/include"
-  export LIBRARY_PATH="${glibc}/lib"
-  export LIBS="-lc -lnss_files -lnss_dns -lresolv"
+  export CC="tcc -B ${tinycc.libs}/lib"
+  export LD=tcc
   bash ./configure \
     --prefix=$out \
     --build=${buildPlatform.config} \
     --host=${hostPlatform.config}
 
   # Build
-  make
+  make -j $NIX_BUILD_CORES AR="tcc -ar"
 
   # Install
-  make install
+  make -j $NIX_BUILD_CORES install
 ''

pkgs/os-specific/linux/minimal-bootstrap/findutils/default.nix

···
 , hostPlatform
 , fetchurl
 , bash
-, gcc
-, glibc
-, binutils
-, linux-headers
+, tinycc
 , gnumake
 , gnugrep
 , gnused
 , gawk
 , gnutar
-, gzip
+, xz
 }:
 let
   pname = "findutils";
-  version = "4.4.2";
+  version = "4.9.0";
 
   src = fetchurl {
-    url = "mirror://gnu/findutils/findutils-${version}.tar.gz";
-    sha256 = "0amn0bbwqvsvvsh6drfwz20ydc2czk374lzw5kksbh6bf78k4ks3";
+    url = "mirror://gnu/findutils/findutils-${version}.tar.xz";
+    hash = "sha256-or+4wJ1DZ3DtxZ9Q+kg+eFsWGjt7nVR1c8sIBl/UYv4=";
   };
 in
 bash.runCommand "${pname}-${version}" {
   inherit pname version;
 
   nativeBuildInputs = [
-    gcc
-    binutils
+    tinycc.compiler
     gnumake
     gnused
     gnugrep
     gawk
     gnutar
-    gzip
+    xz
   ];
 
   passthru.tests.get-version = result:
···
   };
 } ''
   # Unpack
-  tar xzf ${src}
+  cp ${src} findutils.tar.xz
+  unxz findutils.tar.xz
+  tar xf findutils.tar
+  rm findutils.tar
   cd findutils-${version}
 
+  # Patch
+  # configure fails to accurately detect PATH_MAX support
+  sed -i 's/chdir_long/chdir/' gl/lib/save-cwd.c
+
   # Configure
-  export C_INCLUDE_PATH="${glibc}/include:${linux-headers}/include"
-  export LIBRARY_PATH="${glibc}/lib"
-  export LIBS="-lc -lnss_files -lnss_dns -lresolv"
+  export CC="tcc -B ${tinycc.libs}/lib"
+  export AR="tcc -ar"
+  export LD=tcc
   bash ./configure \
     --prefix=$out \
     --build=${buildPlatform.config} \
     --host=${hostPlatform.config}
 
   # Build
-  make
+  make -j $NIX_BUILD_CORES
 
   # Install
-  make install
+  make -j $NIX_BUILD_CORES install
 ''

pkgs/os-specific/linux/minimal-bootstrap/gawk/default.nix

···
 , hostPlatform
 , fetchurl
 , bash
-, gcc
-, glibc
-, binutils
-, linux-headers
+, tinycc
 , gnumake
 , gnugrep
 , gnused
···
 let
   inherit (import ./common.nix { inherit lib; }) meta;
   pname = "gawk";
-  # >= 4.2.0 fails to cleanly build. may be worth investigating in the future.
-  # for now this version is sufficient to build glibc 2.16
-  version = "4.1.4";
+  version = "5.2.2";
 
   src = fetchurl {
     url = "mirror://gnu/gawk/gawk-${version}.tar.gz";
-    sha256 = "0dadjkpyyizmyd0l098qps8lb39r0vrz3xl3hwz2cmjs5c70h0wc";
+    hash = "sha256-lFrvfM/xAfILIqEIArwAXplKsrjqPnJMwaGXxi9B9lA=";
   };
 in
 bash.runCommand "${pname}-${version}" {
   inherit pname version meta;
 
   nativeBuildInputs = [
-    gcc
-    binutils
+    tinycc.compiler
     gnumake
     gnused
     gnugrep
···
   cd gawk-${version}
 
   # Configure
-  export C_INCLUDE_PATH="${glibc}/include:${linux-headers}/include"
-  export LIBRARY_PATH="${glibc}/lib"
-  export LIBS="-lc -lnss_files -lnss_dns -lresolv"
+  export CC="tcc -B ${tinycc.libs}/lib"
+  export AR="tcc -ar"
+  export LD=tcc
   bash ./configure \
     --prefix=$out \
     --build=${buildPlatform.config} \
     --host=${hostPlatform.config}
 
   # Build
-  make gawk
+  make -j $NIX_BUILD_CORES
 
   # Install
-  install -D gawk $out/bin/gawk
-  ln -s gawk $out/bin/awk
+  make -j $NIX_BUILD_CORES install
 ''

pkgs/os-specific/linux/minimal-bootstrap/gcc/4.6.nix

···
 , hostPlatform
 , fetchurl
 , bash
-, gcc
-, glibc
-, linux-headers
+, tinycc
 , binutils
 , gnumake
 , gnupatch
···
   };
 
   patches = [
-    # This patch enables building gcc-4.6.4 using gcc-2.95.3 and glibc-2.2.5
-    # * Tweak Makefile to allow overriding NATIVE_SYSTEM_HEADER_DIR using #:makeflags
-    # * Add missing limits.h include.
-    # * Add SSIZE_MAX define.  The SSIZE_MAX define has been added to Mes
-    #   upstream and can be removed with the next Mes release.
-    # * Remove -fbuilding-libgcc flag, it assumes features being present from a
-    #   newer gcc or glibc.
-    # * [MES_BOOTSTRAP_GCC]: Disable threads harder.
-    (fetchurl {
-      url = "https://git.savannah.gnu.org/cgit/guix.git/plain/gnu/packages/patches/gcc-boot-4.6.4.patch?id=50249cab3a98839ade2433456fe618acc6f804a5";
-      sha256 = "1zzd8gnihw6znrgb6c6pfsmm0vix89xw3giv1nnsykm57j0v3z0d";
-    })
-    ./libstdc++-target.patch
+    # Remove hardcoded NATIVE_SYSTEM_HEADER_DIR
+    ./no-system-headers.patch
   ];
 
-  # To reduce the set of pre-built bootstrap inputs, build
-  # GMP & co. from GCC.
   gmpVersion = "4.3.2";
   gmp = fetchurl {
     url = "mirror://gnu/gmp/gmp-${gmpVersion}.tar.gz";
···
   inherit pname version;
 
   nativeBuildInputs = [
-    gcc
+    tinycc.compiler
     binutils
     gnumake
     gnupatch
···
     gzip
   ];
 
-  # condition in ./libcpp/configure requires `env` which is not available in this coreutils
-  am_cv_CXX_dependencies_compiler_type = "gcc";
-  am_cv_CC_dependencies_compiler_type = "gcc";
-
   passthru.tests.get-version = result:
     bash.runCommand "${pname}-get-version-${version}" {} ''
       ${result}/bin/gcc --version
···
   ${lib.concatMapStringsSep "\n" (f: "patch -Np1 -i ${f}") patches}
 
   # Configure
-  export C_INCLUDE_PATH="${gcc}/lib/gcc-lib/${hostPlatform.config}/${gcc.version}/include:${linux-headers}/include:${glibc}/include:$(pwd)/mpfr/src"
+  export CC="tcc -B ${tinycc.libs}/lib"
+  export C_INCLUDE_PATH="${tinycc.libs}/include:$(pwd)/mpfr/src"
   export CPLUS_INCLUDE_PATH="$C_INCLUDE_PATH"
-  export LDFLAGS="-B${glibc}/lib -Wl,-dynamic-linker -Wl,${glibc}"
-  export LDFLAGS_FOR_TARGET=$LDFLAGS
-  export LIBRARY_PATH="${glibc}/lib:${gcc}/lib"
-  export LIBS="-lc -lnss_files -lnss_dns -lresolv"
+
+  # Avoid "Link tests are not allowed after GCC_NO_EXECUTABLES"
+  export lt_cv_shlibpath_overrides_runpath=yes
+  export ac_cv_func_memcpy=yes
+  export ac_cv_func_strerror=yes
+
   bash ./configure \
     --prefix=$out \
     --build=${buildPlatform.config} \
     --host=${hostPlatform.config} \
-    --with-native-system-header-dir=${glibc}/include \
-    --with-build-sysroot=${glibc}/include \
+    --with-native-system-header-dir=${tinycc.libs}/include \
+    --with-build-sysroot=${tinycc.libs}/include \
     --disable-bootstrap \
     --disable-decimal-float \
     --disable-libatomic \
···
     --disable-multilib \
     --disable-plugin \
     --disable-threads \
-    --enable-languages=c,c++ \
+    --enable-languages=c \
     --enable-static \
     --disable-shared \
     --enable-threads=single \
···
     --disable-build-with-cxx
 
   # Build
-  make
+  make -j $NIX_BUILD_CORES
 
   # Install
-  make install
+  make -j $NIX_BUILD_CORES install
 ''

pkgs/os-specific/linux/minimal-bootstrap/gcc/no-system-headers.patch

···
+--- a/gcc/Makefile.in
++++ b/gcc/Makefile.in
+@@ -440,7 +440,7 @@ LINKER_PLUGIN_API_H = $(srcdir)/../include/plugin-api.h
+ LTO_SYMTAB_H = $(srcdir)/../include/lto-symtab.h
+ 
+ # Default native SYSTEM_HEADER_DIR, to be overridden by targets.
+-NATIVE_SYSTEM_HEADER_DIR = /usr/include
++# NATIVE_SYSTEM_HEADER_DIR = /usr/include
+ # Default cross SYSTEM_HEADER_DIR, to be overridden by targets.
+ CROSS_SYSTEM_HEADER_DIR = @CROSS_SYSTEM_HEADER_DIR@
+ 

pkgs/os-specific/linux/minimal-bootstrap/glibc/default.nix

···
 , gzip
 , gawk
 , heirloom
-, binutils-mes
+, binutils
 , linux-headers
 }:
 let
   pname = "glibc";
 
-  buildGlibc = { version, src, patches, configureFlags, gcc, binutils, CC, CPP }:
+  buildGlibc = { version, src, patches, configureFlags, gcc, CC, CPP }:
     bash.runCommand "${pname}-${version}" {
       inherit pname version;
 
···
     ];
 
     gcc = gcc2-mes;
-    binutils = binutils-mes;
     CC = "gcc -D MES_BOOTSTRAP=1 -D BOOTSTRAP_GLIBC=1 -L $(pwd)";
     CPP = "gcc -E -D MES_BOOTSTRAP=1 -D BOOTSTRAP_GLIBC=1";
   };

pkgs/os-specific/linux/minimal-bootstrap/gnumake/musl.nix

···
+{ lib
+, buildPlatform
+, hostPlatform
+, fetchurl
+, bash
+, tinycc
+, gnumakeBoot
+, gnupatch
+, gnused
+, gnugrep
+, gawk
+, gnutar
+, gzip
+}:
+let
+  pname = "gnumake-musl";
+  version = "4.4.1";
+
+  src = fetchurl {
+    url = "mirror://gnu/make/make-${version}.tar.gz";
+    hash = "sha256-3Rb7HWe/q3mnL16DkHNcSePo5wtJRaFasfgd23hlj7M=";
+  };
+
+  patches = [
+    # Replaces /bin/sh with sh, see patch file for reasoning
+    ./0001-No-impure-bin-sh.patch
+    # Purity: don't look for library dependencies (of the form `-lfoo') in /lib
+    # and /usr/lib. It's a stupid feature anyway. Likewise, when searching for
+    # included Makefiles, don't look in /usr/include and friends.
+    ./0002-remove-impure-dirs.patch
+  ];
+in
+bash.runCommand "${pname}-${version}" {
+  inherit pname version;
+
+  nativeBuildInputs = [
+    tinycc.compiler
+    gnumakeBoot
+    gnupatch
+    gnused
+    gnugrep
+    gawk
+    gnutar
+    gzip
+  ];
+
+  passthru.tests.get-version = result:
+    bash.runCommand "${pname}-get-version-${version}" {} ''
+      ${result}/bin/make --version
+      mkdir $out
+    '';
+
+  meta = with lib; {
+    description = "A tool to control the generation of non-source files from sources";
+    homepage = "https://www.gnu.org/software/make";
+    license = licenses.gpl3Plus;
+    maintainers = teams.minimal-bootstrap.members;
+    mainProgram = "make";
+    platforms = platforms.unix;
+  };
+} ''
+  # Unpack
+  tar xzf ${src}
+  cd make-${version}
+
+  # Patch
+  ${lib.concatMapStringsSep "\n" (f: "patch -Np1 -i ${f}") patches}
+
+  # Configure
+  export CC="tcc -B ${tinycc.libs}/lib"
+  export LD=tcc
+  bash ./configure \
+    --prefix=$out \
+    --build=${buildPlatform.config} \
+    --host=${hostPlatform.config}
+
+  # Build
+  make AR="tcc -ar"
+
+  # Install
+  make install
+''

pkgs/os-specific/linux/minimal-bootstrap/gnused/common.nix

···
+{ lib }:
+
+{
+  meta = with lib; {
+    description = "GNU sed, a batch stream editor";
+    homepage = "https://www.gnu.org/software/sed";
+    license = licenses.gpl3Plus;
+    maintainers = teams.minimal-bootstrap.members;
+    mainProgram = "sed";
+    platforms = platforms.unix;
+  };
+}

pkgs/os-specific/linux/minimal-bootstrap/gnused/default.nix

···
 , fetchurl
 , bash
 , gnumake
-, mesBootstrap ? false, tinycc ? null
-, gcc ? null, glibc ? null, binutils ? null, gnused ? null, linux-headers, gnugrep
+, tinycc
+, gnused
+, gnugrep
+, gnutar
+, gzip
 }:
-assert mesBootstrap -> tinycc != null;
-assert !mesBootstrap -> gcc != null && glibc != null && binutils != null && gnused != null;
+
 let
-  pname = "gnused" + lib.optionalString mesBootstrap "-mes";
-  # last version that can be compiled with mes-libc
-  version = "4.0.9";
+  inherit (import ./common.nix { inherit lib; }) meta;
+  pname = "gnused";
+  # last version that can be bootstrapped with our slightly buggy gnused-mes
+  version = "4.2";
 
   src = fetchurl {
     url = "mirror://gnu/sed/sed-${version}.tar.gz";
-    sha256 = "0006gk1dw2582xsvgx6y6rzs9zw8b36rhafjwm288zqqji3qfrf3";
-  };
-
-  # Thanks to the live-bootstrap project!
-  # See https://github.com/fosslinux/live-bootstrap/blob/1bc4296091c51f53a5598050c8956d16e945b0f5/sysa/sed-4.0.9/sed-4.0.9.kaem
-  makefile = fetchurl {
-    url = "https://github.com/fosslinux/live-bootstrap/raw/1bc4296091c51f53a5598050c8956d16e945b0f5/sysa/sed-4.0.9/mk/main.mk";
-    sha256 = "0w1f5ri0g5zla31m6l6xyzbqwdvandqfnzrsw90dd6ak126w3mya";
+    hash = "sha256-20XNY/0BDmUFN9ZdXfznaJplJ0UjZgbl5ceCk3Jn2YM=";
   };
 in
 bash.runCommand "${pname}-${version}" {
-  inherit pname version;
+  inherit pname version meta;
 
   nativeBuildInputs = [
     gnumake
-  ] ++ lib.optionals mesBootstrap [
     tinycc.compiler
-  ] ++ lib.optionals (!mesBootstrap) [
-    gcc
-    glibc
-    binutils
     gnused
     gnugrep
+    gnutar
+    gzip
   ];
 
   passthru.tests.get-version = result:
···
       ${result}/bin/sed --version
       mkdir ''${out}
     '';
-
-  meta = with lib; {
-    description = "GNU sed, a batch stream editor";
-    homepage = "https://www.gnu.org/software/sed";
-    license = licenses.gpl3Plus;
-    maintainers = teams.minimal-bootstrap.members;
-    mainProgram = "sed";
-    platforms = platforms.unix;
-  };
 } (''
   # Unpack
-  ungz --file ${src} --output sed.tar
-  untar --file sed.tar
-  rm sed.tar
+  tar xzf ${src}
   cd sed-${version}
 
-'' + lib.optionalString mesBootstrap ''
   # Configure
-  cp ${makefile} Makefile
-  catm config.h
-
-  # Build
-  make \
-    CC="tcc -B ${tinycc.libs}/lib" \
-    LIBC=mes
-
-'' + lib.optionalString (!mesBootstrap) ''
-  # Configure
-  export CC="gcc -I${glibc}/include -I${linux-headers}/include"
-  export LIBRARY_PATH="${glibc}/lib"
-  export LIBS="-lc -lnss_files -lnss_dns -lresolv"
-  chmod +x configure
+  export CC="tcc -B ${tinycc.libs}/lib"
+  export LD=tcc
   ./configure \
     --build=${buildPlatform.config} \
     --host=${hostPlatform.config} \
     --disable-shared \
     --disable-nls \
     --disable-dependency-tracking \
-    --without-included-regex \
     --prefix=$out
 
   # Build
-  make
+  make AR="tcc -ar"
 
-'' + ''
   # Install
-  make install PREFIX=$out
+  make install
 '')

pkgs/os-specific/linux/minimal-bootstrap/gnused/mes.nix

···
+{ lib
+, buildPlatform
+, hostPlatform
+, fetchurl
+, bash
+, gnumake
+, tinycc
+}:
+
+let
+  inherit (import ./common.nix { inherit lib; }) meta;
+  pname = "gnused-mes";
+  # last version that can be compiled with mes-libc
+  version = "4.0.9";
+
+  src = fetchurl {
+    url = "mirror://gnu/sed/sed-${version}.tar.gz";
+    sha256 = "0006gk1dw2582xsvgx6y6rzs9zw8b36rhafjwm288zqqji3qfrf3";
+  };
+
+  # Thanks to the live-bootstrap project!
+  # See https://github.com/fosslinux/live-bootstrap/blob/1bc4296091c51f53a5598050c8956d16e945b0f5/sysa/sed-4.0.9/sed-4.0.9.kaem
+  makefile = fetchurl {
+    url = "https://github.com/fosslinux/live-bootstrap/raw/1bc4296091c51f53a5598050c8956d16e945b0f5/sysa/sed-4.0.9/mk/main.mk";
+    sha256 = "0w1f5ri0g5zla31m6l6xyzbqwdvandqfnzrsw90dd6ak126w3mya";
+  };
+in
+bash.runCommand "${pname}-${version}" {
+  inherit pname version meta;
+
+  nativeBuildInputs = [
+    gnumake
+    tinycc.compiler
+  ];
+
+  passthru.tests.get-version = result:
+    bash.runCommand "${pname}-get-version-${version}" {} ''
+      ${result}/bin/sed --version
+      mkdir ''${out}
+    '';
+} (''
+  # Unpack
+  ungz --file ${src} --output sed.tar
+  untar --file sed.tar
+  rm sed.tar
+  cd sed-${version}
+
+  # Configure
+  cp ${makefile} Makefile
+  catm config.h
+
+  # Build
+  make \
+    CC="tcc -B ${tinycc.libs}/lib" \
+    LIBC=mes
+
+  # Install
+  make install PREFIX=$out
+'')

pkgs/os-specific/linux/minimal-bootstrap/gnutar/musl.nix

···
+{ lib
+, buildPlatform
+, hostPlatform
+, fetchurl
+, bash
+, tinycc
+, gnumake
+, gnugrep
+, gnused
+}:
+let
+  # gnutar with musl preserves modify times, allowing make to not try
+  # rebuilding pregenerated files
+  pname = "gnutar-musl";
+  version = "1.12";
+
+  src = fetchurl {
+    url = "mirror://gnu/tar/tar-${version}.tar.gz";
+    hash = "sha256-xsN+iIsTbM76uQPFEUn0t71lnWnUrqISRfYQU6V6pgo=";
+  };
+in
+bash.runCommand "${pname}-${version}" {
+  inherit pname version;
+
+  nativeBuildInputs = [
+    tinycc.compiler
+    gnumake
+    gnused
+    gnugrep
+  ];
+
+  passthru.tests.get-version = result:
+    bash.runCommand "${pname}-get-version-${version}" {} ''
+      ${result}/bin/tar --version
+      mkdir $out
+    '';
+
+  meta = with lib; {
+    description = "GNU implementation of the `tar' archiver";
+    homepage = "https://www.gnu.org/software/tar";
+    license = licenses.gpl3Plus;
+    maintainers = teams.minimal-bootstrap.members;
+    mainProgram = "tar";
+    platforms = platforms.unix;
+  };
+} ''
+  # Unpack
+  ungz --file ${src} --output tar.tar
+  untar --file tar.tar
+  rm tar.tar
+  cd tar-${version}
+
+  # Configure
+  export CC="tcc -B ${tinycc.libs}/lib"
+  export LD=tcc
+  export ac_cv_sizeof_unsigned_long=4
+  export ac_cv_sizeof_long_long=8
+  export ac_cv_header_netdb_h=no
+  bash ./configure \
+    --prefix=$out \
+    --build=${buildPlatform.config} \
+    --host=${hostPlatform.config} \
+    --disable-nls
+
+  # Build
+  make AR="tcc -ar"
+
+  # Install
+  make install
+''

pkgs/os-specific/linux/minimal-bootstrap/musl/1.1.nix

···
     #   url = "${liveBootstrap}/patches/stdio_flush_on_exit.patch";
     #   hash = "sha256-/z5ze3h3QTysay8nRvyvwPv3pmTcKptdkBIaMCoeLDg=";
     # })
+    # HACK: always flush stdio immediately
+    ./always-flush.patch
     (fetchurl {
       url = "${liveBootstrap}/patches/va_list.patch";
       hash = "sha256-UmcMIl+YCi3wIeVvjbsCyqFlkyYsM4ECNwTfXP+s7vg=";

pkgs/os-specific/linux/minimal-bootstrap/musl/always-flush.patch

···
+diff --git src/env/__libc_start_main.c src/env/__libc_start_main.c
+index 8fbe526..9476c22 100644
+--- src/env/__libc_start_main.c
++++ src/env/__libc_start_main.c
+@@ -91,6 +91,7 @@ static int libc_start_main_stage2(int (*main)(int,char **,char **), int argc, ch
+ 	__libc_start_init();
+ 
+ 	/* Pass control to the application */
++	setbuf(stdout, NULL);
+ 	exit(main(argc, argv, envp));
+ 	return 0;
+ }

pkgs/os-specific/linux/minimal-bootstrap/musl/default.nix

···
     --host=${hostPlatform.config}
 
   # Build
-  make
+  make -j $NIX_BUILD_CORES
 
   # Install
-  make install
+  make -j $NIX_BUILD_CORES install
 ''

pkgs/os-specific/linux/minimal-bootstrap/tinycc/ignore-duplicate-symbols.patch

···
+--- tccelf.c
++++ tccelf.c
+@@ -710,8 +710,9 @@ ST_FUNC int set_elf_sym(Section *s, addr_t value, unsigned long size,
+ #if 0
+                 printf("new_bind=%x new_shndx=%x new_vis=%x old_bind=%x old_shndx=%x old_vis=%x\n",
+                        sym_bind, shndx, new_vis, esym_bind, esym->st_shndx, esym_vis);
+-#endif
+                 tcc_error_noabort("'%s' defined twice", name);
++#endif
++                goto do_patch;
+             }
+         } else {
+             esym->st_other = other;

pkgs/os-specific/linux/minimal-bootstrap/tinycc/ignore-static-inside-array.patch

···
+--- tccgen.c
++++ tccgen.c
+@@ -4941,7 +4941,7 @@ static int post_type(CType *type, AttributeDef *ad, int storage, int td)
+         next();
+         n = -1;
+         t1 = 0;
+-        if (td & TYPE_PARAM) while (1) {
++        while (1) {
+ 	    /* XXX The optional type-quals and static should only be accepted
+ 	       in parameter decls.  The '*' as well, and then even only
+ 	       in prototypes (not function defs).  */
+@@ -4972,7 +4972,8 @@ static int post_type(CType *type, AttributeDef *ad, int storage, int td)
+             }
+             break;
+ 
+-	} else if (tok != ']') {
++	}
++    if (tok != ']') {
+             if (!local_stack || (storage & VT_STATIC))
+                 vpushi(expr_const());
+             else {

pkgs/os-specific/linux/minimal-bootstrap/tinycc/musl.nix

···
-# Build steps adapted from https://github.com/fosslinux/live-bootstrap/blob/1bc4296091c51f53a5598050c8956d16e945b0f5/sysa/tcc-0.9.27/tcc-musl-pass1.sh
-#
-# SPDX-FileCopyrightText: 2021-22 fosslinux <[e-mail]>
-#
-# SPDX-License-Identifier: GPL-3.0-or-later
-
 { lib
 , fetchurl
 , callPackage
···
 , musl
 , gnupatch
 , gnutar
-, bzip2
+, gzip
 }:
 let
   pname = "tinycc-musl";
-  version = "0.9.27";
+  # next commit introduces use of realpath (unsupported in mes-libc)
+  version = "unstable-2023-07-10";
+  rev = "fd6d2180c5c801bb0b4c5dde27d61503059fc97d";
 
   src = fetchurl {
-    url = "https://download.savannah.gnu.org/releases/tinycc/tcc-${version}.tar.bz2";
-    hash = "sha256-3iOvePypDOMt/y3UWzQysjNHQLubt7Bb9g/b/Dls65w=";
+    url = "https://repo.or.cz/tinycc.git/snapshot/${rev}.tar.gz";
+    hash = "sha256-R81SNbEmh4s9FNQxCWZwUiMCYRkkwOHAdRf0aMnnRiA=";
   };
 
-  # Thanks to the live-bootstrap project!
-  # See https://github.com/fosslinux/live-bootstrap/blob/424aa5be38a3023aa6842883a3954599b1597986/sysa/tcc-0.9.27/tcc-musl-pass1.sh
-  liveBootstrap = "https://github.com/fosslinux/live-bootstrap/raw/424aa5be38a3023aa6842883a3954599b1597986/sysa/tcc-0.9.27";
   patches = [
-    (fetchurl {
-      url = "${liveBootstrap}/patches/ignore-duplicate-symbols.patch";
-      hash = "sha256-6Js8HkzjYlA8ETxeEYRWu+03OJI60NvR5h1QPkcMTlQ=";
-    })
-    (fetchurl {
-      url = "${liveBootstrap}/patches/ignore-static-inside-array.patch";
-      hash = "sha256-IF4RevLGjzRBuYqhuyG7+x6SVljzMAsYRKicNsmtbDY=";
-    })
-    (fetchurl {
-      url = "${liveBootstrap}/patches/static-link.patch";
-      hash = "sha256-gX/hJ9a/0Zg29KIBUme+mOA8WrPQvp0SvojP8DN9mSI=";
-    })
+    ./ignore-duplicate-symbols.patch
+    ./ignore-static-inside-array.patch
+    ./static-link.patch
   ];
 
   meta = with lib; {
-      description = "Small, fast, and embeddable C compiler and interpreter";
-      homepage = "http://savannah.nongnu.org/projects/tinycc";
-      license = licenses.lgpl21Only;
-      maintainers = teams.minimal-bootstrap.members;
-      platforms = [ "i686-linux" ];
-    };
+    description = "Small, fast, and embeddable C compiler and interpreter";
+    homepage = "https://repo.or.cz/w/tinycc.git";
+    license = licenses.lgpl21Only;
+    maintainers = teams.minimal-bootstrap.members;
+    platforms = [ "i686-linux" ];
+  };
 
   tinycc-musl = bash.runCommand "${pname}-${version}" {
     inherit pname version meta;
···
       tinycc-bootstrappable.compiler
       gnupatch
       gnutar
-      bzip2
+      gzip
     ];
   } ''
     # Unpack
-    cp ${src} tinycc.tar.bz2
-    bunzip2 tinycc.tar.bz2
-    tar xf tinycc.tar
-    rm tinycc.tar
-    cd tcc-${version}
+    tar xzf ${src}
+    cd tinycc-${builtins.substring 0 7 rev}
 
     # Patch
     ${lib.concatMapStringsSep "\n" (f: "patch -Np0 -i ${f}") patches}
···
     # but when linked with musl it is.
     ln -s ${musl}/lib/libtcc1.a ./libtcc1.a
 
+    tcc \
+      -B ${tinycc-bootstrappable.libs}/lib \
+      -DC2STR \
+      -o c2str \
+      conftest.c
+    ./c2str include/tccdefs.h tccdefs_.h
+
     tcc -v \
       -static \
       -o tcc-musl \
···
       -D CONFIG_USE_LIBGCC=1 \
       -D TCC_VERSION=\"0.9.27\" \
       -D ONE_SOURCE=1 \
+      -D TCC_MUSL=1 \
+      -D CONFIG_TCC_PREDEFS=1 \
+      -D CONFIG_TCC_SEMLOCK=0 \
       -B . \
       -B ${tinycc-bootstrappable.libs}/lib \
       tcc.c
···
       -D CONFIG_USE_LIBGCC=1 \
       -D TCC_VERSION=\"0.9.27\" \
       -D ONE_SOURCE=1 \
+      -D TCC_MUSL=1 \
+      -D CONFIG_TCC_PREDEFS=1 \
+      -D CONFIG_TCC_SEMLOCK=0 \
       -B . \
       -B ${musl}/lib \
       tcc.c
     # libtcc1.a
     rm -f libtcc1.a
     ./tcc-musl -c -D HAVE_CONFIG_H=1 lib/libtcc1.c
-    ./tcc-musl -ar cr libtcc1.a libtcc1.o
+    ./tcc-musl -c -D HAVE_CONFIG_H=1 lib/alloca.S
+    ./tcc-musl -ar cr libtcc1.a libtcc1.o alloca.o
 
     # Install
     install -D tcc-musl $out/bin/tcc
···
 
   libs = bash.runCommand "${pname}-${version}-libs" {
     inherit pname version meta;
-  } "install -D ${tinycc-musl}/lib/libtcc1.a $out/lib/libtcc1.a";
+  } ''
+    mkdir $out
+    cp -r ${musl}/* $out
+    chmod +w $out/lib/libtcc1.a
+    cp ${tinycc-musl}/lib/libtcc1.a $out/lib/libtcc1.a
+  '';
 }

pkgs/os-specific/linux/minimal-bootstrap/tinycc/static-link.patch

···
+--- libtcc.c
++++ libtcc.c
+@@ -793,6 +793,7 @@ LIBTCCAPI TCCState *tcc_new(void)
+ 
+     s->gnu_ext = 1;
+     s->tcc_ext = 1;
++    s->static_link = 1;
+     s->nocommon = 1;
+     s->dollars_in_identifiers = 1; /*on by default like in gcc/clang*/
+     s->cversion = 199901; /* default unless -std=c11 is supplied */

pkgs/os-specific/linux/minimal-bootstrap/xz/default.nix

···
 , bash
 , tinycc
 , gnumake
+, gnused
 , gnugrep
 , gawk
-, sed
+, gnutar
+, gzip
 }:
 let
   pname = "xz";
-  # >=5.2 uses poll.h, unsupported by meslibc
-  version = "5.0.8";
+  version = "5.4.3";
 
   src = fetchurl {
-    url = "https://tukaani.org/xz/xz-${version}.tar.bz2";
-    sha256 = "1nkb68dyrf16xwyqichcy1vhgbfg20dxz459rcsdx85h1gczk1i2";
+    url = "https://tukaani.org/xz/xz-${version}.tar.gz";
+    hash = "sha256-HDguC8Lk4K9YOYqQPdYv/35RAXHS3keh6+BtFSjpt+k=";
   };
 in
 bash.runCommand "${pname}-${version}" {
···
   nativeBuildInputs = [
     tinycc.compiler
     gnumake
+    gnused
     gnugrep
     gawk
-    sed
+    gnutar
+    gzip
   ];
 
   passthru.tests.get-version = result:
···
   };
 } ''
   # Unpack
-  unbz2 --file ${src} --output xz.tar
-  untar --file xz.tar
-  rm xz.tar
+  tar xzf ${src}
   cd xz-${version}
 
   # Configure
-  export CC="tcc -B ${tinycc.libs}/lib -include${./stubs.h}"
-  export CPP="tcc -E"
-  export LD=tcc
+  export CC="tcc -B ${tinycc.libs}/lib"
   export AR="tcc -ar"
-  export SED=sed
-  export ac_cv_prog_cc_c99=
-  export ac_cv_header_fcntl_h=yes
-  export ac_cv_header_limits_h=yes
-  export ac_cv_header_sys_time_h=yes
-  export ac_cv_func_utime=no
+  export LD=tcc
   bash ./configure \
     --prefix=$out \
     --build=${buildPlatform.config} \
     --host=${hostPlatform.config} \
     --disable-shared \
-    --disable-nls \
-    --disable-threads \
     --disable-assembler
 
   # Build
-  make all
+  make -j $NIX_BUILD_CORES
 
   # Install
-  make install
+  make -j $NIX_BUILD_CORES install
 ''

pkgs/os-specific/linux/minimal-bootstrap/xz/stubs.h

···
-#define sig_atomic_t int
-
-#define SSIZE_MAX LONG_MAX
-
-#define O_NOCTTY 0400
-#define O_NONBLOCK 04000
-
-#define S_ISVTX 01000
-#define S_ISLNK(mode) (((mode) & S_IFMT) == S_IFLNK)
-
-int fchmod (int fd, int mode)
-{
-  return 0;
-}
-
-int fchown (int fd, int owner, int group)
-{
-  return 0;
-}
-
-#include <signal.h>
-int sigfillset (sigset_t * set)
-{
-  return 0;
-}