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

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