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

   1 {
   2   lib,
   3   buildPlatform,
   4   hostPlatform,
   5   fetchurl,
   6   bash,
   7   tinycc,
   8   gnumake,
   9   gnupatch,
  10   gnused,
  11   gnugrep,
  12   gnutar,
  13   gzip,
  14 }:
  15
  16 let
  17   inherit (import ./common.nix { inherit lib; }) pname meta;
  18   version = "1.1.24";
  19
  20   src = fetchurl {
  21     url = "https://musl.libc.org/releases/musl-${version}.tar.gz";
  22     hash = "sha256-E3DJqBKyzyp9koAlEMygBYzDfmanvt1wBR8KNAFQIqM=";
  23   };
  24
  25   # Thanks to the live-bootstrap project!
  26   # See https://github.com/fosslinux/live-bootstrap/blob/d98f97e21413efc32c770d0356f1feda66025686/sysa/musl-1.1.24/musl-1.1.24.sh
  27   liveBootstrap = "https://github.com/fosslinux/live-bootstrap/raw/d98f97e21413efc32c770d0356f1feda66025686/sysa/musl-1.1.24";
  28   patches = [
  29     (fetchurl {
  30       url = "${liveBootstrap}/patches/avoid_set_thread_area.patch";
  31       hash = "sha256-TsbBZXk4/KMZG9EKi7cF+sullVXrxlizLNH0UHGXsPs=";
  32     })
  33     (fetchurl {
  34       url = "${liveBootstrap}/patches/avoid_sys_clone.patch";
  35       hash = "sha256-/ZmH64J57MmbxdfQ4RNjamAiBdkImMTlHsHdgV4gMj4=";
  36     })
  37     (fetchurl {
  38       url = "${liveBootstrap}/patches/fenv.patch";
  39       hash = "sha256-vMVGjoN4deAJW5gsSqA207SJqAbvhrnOsGK49DdEiTI=";
  40     })
  41     (fetchurl {
  42       url = "${liveBootstrap}/patches/makefile.patch";
  43       hash = "sha256-03iYBAUnsrEdLIIhhhq5mM6BGnPn2EfUmIHu51opxbw=";
  44     })
  45     (fetchurl {
  46       url = "${liveBootstrap}/patches/musl_weak_symbols.patch";
  47       hash = "sha256-/d9a2eUkpe9uyi1ye6T4CiYc9MR3FZ9na0Gb90+g4v0=";
  48     })
  49     (fetchurl {
  50       url = "${liveBootstrap}/patches/set_thread_area.patch";
  51       hash = "sha256-RIZYqbbRSx4X/0iFUhriwwBRmoXVR295GNBUjf2UrM0=";
  52     })
  53     (fetchurl {
  54       url = "${liveBootstrap}/patches/sigsetjmp.patch";
  55       hash = "sha256-wd2Aev1zPJXy3q933aiup5p1IMKzVJBquAyl3gbK4PU=";
  56     })
  57     # FIXME: this patch causes the build to fail
  58     # (fetchurl {
  59     #   url = "${liveBootstrap}/patches/stdio_flush_on_exit.patch";
  60     #   hash = "sha256-/z5ze3h3QTysay8nRvyvwPv3pmTcKptdkBIaMCoeLDg=";
  61     # })
  62     # HACK: always flush stdio immediately
  63     ./always-flush.patch
  64     (fetchurl {
  65       url = "${liveBootstrap}/patches/va_list.patch";
  66       hash = "sha256-UmcMIl+YCi3wIeVvjbsCyqFlkyYsM4ECNwTfXP+s7vg=";
  67     })
  68   ];
  69 in
  70 bash.runCommand "${pname}-${version}"
  71   {
  72     inherit pname version meta;
  73
  74     nativeBuildInputs = [
  75       tinycc.compiler
  76       gnumake
  77       gnupatch
  78       gnused
  79       gnugrep
  80       gnutar
  81       gzip
  82     ];
  83   }
  84   ''
  85     # Unpack
  86     tar xzf ${src}
  87     cd musl-${version}
  88
  89     # Patch
  90     ${lib.concatMapStringsSep "\n" (f: "patch -Np0 -i ${f}") patches}
  91     # tcc does not support complex types
  92     rm -rf src/complex
  93     # Configure fails without this
  94     mkdir -p /dev
  95     # https://github.com/ZilchOS/bootstrap-from-tcc/blob/2e0c68c36b3437386f786d619bc9a16177f2e149/using-nix/2a3-intermediate-musl.nix
  96     sed -i 's|/bin/sh|${bash}/bin/bash|' \
  97       tools/*.sh
  98     chmod 755 tools/*.sh
  99     # patch popen/system to search in PATH instead of hardcoding /bin/sh
 100     sed -i 's|posix_spawn(&pid, "/bin/sh",|posix_spawnp(\&pid, "sh",|' \
 101       src/stdio/popen.c src/process/system.c
 102     sed -i 's|execl("/bin/sh", "sh", "-c",|execlp("sh", "-c",|'\
 103       src/misc/wordexp.c
 104
 105     # Configure
 106     bash ./configure \
 107       --prefix=$out \
 108       --build=${buildPlatform.config} \
 109       --host=${hostPlatform.config} \
 110       --disable-shared \
 111       CC=tcc
 112
 113     # Build
 114     make AR="tcc -ar" RANLIB=true CFLAGS="-DSYSCALL_NO_TLS"
 115
 116     # Install
 117     make install
 118     cp ${tinycc.libs}/lib/libtcc1.a $out/lib
 119   ''