aboutsummaryrefslogtreecommitdiff
path: root/scripts/install.sh
blob: adf360279ec3dbd6efd3be1c0909bde7331fa353 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
#!/bin/bash

# Grab default values for $CFLAGS and such.

source ./configure

[ -z "$PREFIX" ] && PREFIX="/usr/toybox"

# Parse command line arguments.

LONG_PATH=""
while [ ! -z "$1" ]
do
  # Create symlinks instead of hardlinks?
  [ "$1" == "--symlink" ] && LINK_TYPE="-s"

  # Uninstall?
  [ "$1" == "--uninstall" ] && UNINSTALL=Uninstall

  # Delete destination command if it exists?
  [ "$1" == "--force" ] && DO_FORCE="-f"

  # Use {,usr}/{bin,sbin} paths instead of all files in one directory?
  [ "$1" == "--long" ] && LONG_PATH="bin/"

  # Symlink host toolchain binaries to destination to create cross compile $PATH
  [ "$1" == "--airlock" ] && AIRLOCK=1

  shift
done

echo "Compile instlist..."

NOBUILD=1 scripts/make.sh
$DEBUG $HOSTCC -I . scripts/install.c -o generated/instlist || exit 1
COMMANDS="$(generated/instlist $LONG_PATH)"

echo "${UNINSTALL:-Install} commands..."

# Copy toybox itself

if [ -z "$UNINSTALL" ]
then
  mkdir -p "${PREFIX}/${LONG_PATH}" &&
  rm -f "${PREFIX}/${LONG_PATH}/toybox" &&
  cp toybox"${TARGET:+-$TARGET}" ${PREFIX}/${LONG_PATH} || exit 1
else
  rm -f "${PREFIX}/${LONG_PATH}/toybox" 2>/dev/null
fi
cd "$PREFIX" || exit 1

# Make links to toybox

EXIT=0

for i in $COMMANDS
do
  # Figure out target of link

  if [ -z "$LONG_PATH" ]
  then
    DOTPATH=""
  else
    # Create subdirectory for command to go in (if necessary)

    DOTPATH="$(dirname "$i")"/
    if [ -z "$UNINSTALL" ]
    then
      mkdir -p "$DOTPATH" || exit 1
    fi

    if [ -z "$LINK_TYPE" ]
    then
      DOTPATH="bin/"
    else
      if [ "$DOTPATH" != "$LONG_PATH" ]
      then
        # For symlinks we need ../../bin style relative paths
        DOTPATH="$(echo $DOTPATH | sed -e 's@[^/]*/@../@g')"$LONG_PATH
      else
        DOTPATH=""
      fi
    fi
  fi

  # Create link
  if [ -z "$UNINSTALL" ]
  then
    ln $DO_FORCE $LINK_TYPE ${DOTPATH}"toybox${TARGET:+-$TARGET}" $i || EXIT=1
  else
    rm -f $i || EXIT=1
  fi
done

[ -z "$AIRLOCK" ] && exit $EXIT

# --airlock creates a single directory you can point the $PATH to for cross
# compiling, which contains just toybox and symlinks to toolchain binaries.

# This not only means you're building with a known set of tools (insulated from
# variations in the host distro), but that everything else is NOT in your PATH
# and thus various configure stages won't find things on thie host that won't
# be there on the target (such as the distcc build noticing the host has
# python and deciding to #include Python.h).

# The following are commands toybox should provide, but doesn't yet.
# For now symlink the host version. This list must go away by 1.0.

PENDING="dd diff expr ftpd less tr vi wget awk sh unxz xzcat bc bison flex make nm ar gzip"

# "gcc" should go away for llvm, but some things still hardwire it
TOOLCHAIN="as cc ld gcc objdump"

# Tools needed to build packages
for i in $TOOLCHAIN $PENDING $HOST_EXTRA
do
  if [ ! -f "$i" ]
  then
    # Loop through each instance, populating fallback directories (used by
    # things like distcc, which require multiple instances of the same binary
    # in a known order in the $PATH).

    X=0
    FALLBACK="$PREFIX"
    which -a "$i" | while read j
    do
      if [ ! -e "$FALLBACK/$i" ]
      then
        mkdir -p "$FALLBACK" &&
        ln -sf "$j" "$FALLBACK/$i" || exit 1
      fi

      X=$[$X+1]
      FALLBACK="$PREFIX/fallback-$X"
    done

    if [ ! -f "$PREFIX/$i" ]
    then
      echo "Toolchain component missing: $i" >&2
      [ -z "$PEDANTIC" ] || EXIT=1
    fi
  fi
done

exit $EXIT