builders/linux-amd/release.sh

   1 #!/bin/sh
   2 # we are heading towards a RCS (Reduced Command Set), expect much more verbosity and simplicity
   3 printf "NYAN:RELEASE.SH -- START\n" >&2
   4 # OUTPUT ON STDOUT THE KERNEL RELEASE
   5 nyan_root=$1
   6 linux_config=$2
   7 patched_linux_dir=$3
   8
   9 if test -z "$nyan_root"; then
  10         printf 'NYAN:ERROR:missing nyan root\n' >&2
  11         exit 1
  12 else
  13         printf "NYAN:using nyan_root \"$nyan_root\"\n" >&2
  14 fi
  15 if test -z "$linux_config"; then
  16         printf 'NYAN:ERROR:missing linux_config\n' >&2
  17         exit 1
  18 else
  19         printf "NYAN:using linux_config \"$linux_config\"\n" >&2
  20 fi
  21 if test ! -d "$patched_linux_dir"; then
  22         printf 'NYAN:ERROR:missing patched linux directory\n' >&2
  23         exit 1
  24 else
  25         printf "NYAN:using patched linux directory \"$patched_linux_dir\"\n" >&2
  26 fi
  27
  28 . $nyan_root/conf.sh
  29 . $nyan_root/utils.sh
  30
  31 cleanup()
  32 {
  33         if test -e /bin/bash.HIDDEN; then
  34                 printf 'NYAN:detected hidden bash, restoring\n' >&2
  35                 mv /bin/bash.HIDDEN /bin/bash >&2
  36         fi
  37         if test $false_installed; then
  38                 printf 'NYAN:detected installed /bin/false, removing\n' >&2
  39                 rm -f /bin/false >&2
  40         fi
  41         if test $bracket_installed; then
  42                 printf 'NYAN:detected installed /bin/[, removing\n' >&2
  43                 rm -f '/bin/[' >&2
  44         fi
  45         rmdir /bin || true >&2
  46         printf "NYAN:RELEASE.SH -- END\n" >&2
  47 }
  48 trap cleanup EXIT
  49 ################################################################################
  50 if test -e /bin/bash;then
  51         printf 'NYAN:detected /bin/bash, hidding\n' >&2
  52         mv /bin/bash /bin/bash.HIDDEN >&2
  53 fi
  54 mkdir -p /bin >&2
  55 export PATH="\
  56 /opt/toolchains/x64/elf/binutils-gcc/current/bin:\
  57 /nyan/make/current/bin:\
  58 /nyan/flex/current/bin:\
  59 /nyan/bison/current/bin:\
  60 $PATH\
  61 "
  62 # linux sdk wants direct sh invocation
  63 if ! command -v sh >/dev/null 2>/dev/null; then
  64         printf 'NYAN:ERROR:no direct invocation of sh found, linux SDK will fail, exiting\n' >&2
  65         exit 1;
  66 fi
  67 # linux sdk wants false in /bin
  68 if test ! -e /bin/false; then
  69         printf 'NYAN:you are missing the false utility in /bin, using the one in PATH\n' >&2
  70         find_in_path false
  71         if test ! $r; then
  72                 printf 'NYAN:no false utility found in PATH, linux SDK will fail, exiting\n' >&2
  73                 exit 1
  74         fi
  75         printf 'NYAN:linking %s to /bin/false, will be removed on exiting\n' $r >&2
  76         ln -s $r /bin/false >&2
  77         false_installed=1
  78 fi
  79 if test ! -x /bin/false; then
  80         printf 'NYAN:ERROR:/bin/false not executable, linux SDK will fail, exiting\n' >&2
  81         exit 1
  82 fi
  83 # linux sdk wants [ in /bin
  84 if test ! -e '/bin/['; then
  85         printf 'NYAN:you are missing the "[" utility in /bin, using "test" in PATH\n' >&2
  86         find_in_path test
  87         if test ! $r; then
  88                 printf 'NYAN:ERROR:no test utility found in PATH, linux SDK will fail, exiting\n' >&2
  89                 exit 1
  90         fi
  91         printf 'NYAN:linking %s to /bin/[, will be removed on exiting\n' $r >&2
  92         ln -s $r '/bin/[' >&2
  93         bracket_installed=1
  94 fi
  95 if test ! -x '/bin/['; then
  96         printf 'NYAN:ERROR:/bin/[ not executable, linux SDK will fail, exiting\n' >&2
  97         exit 1
  98 fi
  99 export "KCONFIG_CONFIG=$linux_config"
 100 export "HOSTCC=gcc"
 101 export "HOSTCFLAGS=-isystem /nyan/glibc/current/include -isystem /nyan/linux-headers/current/include -O2 -pipe -fPIC -static-libgcc"
 102 export "HOSTLDFLAGS=-B/nyan/glibc/current/lib -L/nyan/glibc/current/lib -static-libgcc"
 103 export ARCH=x86_64
 104 cd $patched_linux_dir
 105 # HOSTCC environment variable seems ignored, overridding the makefile variable
 106 make oldconfig "HOSTCC=$HOSTCC" >&2
 107 make -s kernelrelease "HOSTCC=$HOSTCC"
 108 make clean >&2