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annotate sources/include.sh @ 729:1d2921810860

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Fix the canadian cross stuff for arches that override CROSS_TARGET (ala ppc440)
author Rob Landley <rob@landley.net>
date Sun, 17 May 2009 15:14:46 -0500
parents db5cb617339a
children 104e8a35ea2e
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
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1 #!/bin/bash
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2
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4 [ -e config ] && source config
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5
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c88e25996320 Split function definitions out from include.sh.
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6 source sources/functions.sh
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7
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8 # What host compiler should we use?
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9
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10 [ -z "$CC" ] && CC=gcc
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11
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12 # How many processors should make -j use?
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13
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14 if [ -z "$CPUS" ]
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15 then
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16 export CPUS=$(echo /sys/devices/system/cpu/cpu[0-9]* | wc -w)
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17 [ "$CPUS" -lt 1 ] && CPUS=1
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18 fi
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19
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20 umask 022
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21 unset CFLAGS CXXFLAGS
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22
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23 # Find/create directories
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24
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25 TOP=`pwd`
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26 export SOURCES="${TOP}/sources"
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27 export SRCDIR="${TOP}/packages"
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28 export BUILD="${TOP}/build"
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29 export HOSTTOOLS="${BUILD}/host"
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30
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31 mkdir -p "${SRCDIR}" || dienow
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32
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33 # Retain old $PATH in case we re-run host-tools.sh with different options.
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34
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35 export OLDPATH="$PATH"
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36
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37 # Adjust $PATH
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38
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39 if [ "$PATH" != "$HOSTTOOLS" ]
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40 then
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41 if [ -f "$HOSTTOOLS/busybox" ]
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42 then
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43 PATH="$HOSTTOOLS"
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44 else
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45 PATH="${HOSTTOOLS}:$PATH"
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46 fi
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47 fi
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48
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49 # Setup for $RECORD_COMMANDS
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50
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51 # WRAPPY_LOGPATH is set unconditionally in case host-tools.sh needs to
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52 # enable wrapping partway through its own build. Extra environment variables
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53 # don't actually affect much, it's changing $PATH that changes behavior.
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54
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55 [ -z "$STAGE_NAME" ] && STAGE_NAME=`echo $0 | sed 's@.*/\(.*\)\.sh@\1@'`
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56 [ -z "$WRAPPY_LOGDIR" ] && WRAPPY_LOGDIR="$BUILD"
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57 export WRAPPY_LOGPATH="$WRAPPY_LOGDIR/cmdlines.${STAGE_NAME}.setupfor"
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58 if [ ! -z "$RECORD_COMMANDS" ] && [ -f "$BUILD/wrapdir/wrappy" ]
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59 then
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60 export WRAPPY_REALPATH="$PATH"
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61 PATH="$BUILD/wrapdir"
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62 fi
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63
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64 # Tell bash not to cache the $PATH because we modify it. Without this, bash
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65 # won't find new executables added after startup.
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66 set +h
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67
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68 # Get target platform from first command line argument.
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69
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70 if [ -z "$NO_ARCH" ]
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71 then
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72 ARCH_NAME="$1"
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73 if [ ! -f "${TOP}/sources/targets/${ARCH_NAME}/settings" ]
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74 then
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75 echo "Supported architectures: "
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76 (cd "${TOP}/sources/targets" && ls)
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77 exit 1
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78 fi
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79
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80 # Read the relevant config file.
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81
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82 ARCH="$ARCH_NAME"
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83 CONFIG_DIR="${TOP}/sources/targets"
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84 source "${CONFIG_DIR}/${ARCH}/settings"
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85
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86 # Which platform are we building for?
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87
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88 export WORK="${BUILD}/temp-$ARCH_NAME"
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89 rm -rf "${WORK}"
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90 mkdir -p "${WORK}" || dienow
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91
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92 # Say "unknown" in two different ways so it doesn't assume we're NOT
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93 # cross compiling when the host and target are the same processor. (If host
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94 # and target match, the binutils/gcc/make builds won't use the cross compiler
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95 # during root-filesystem.sh, and the host compiler links binaries against the
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96 # wrong libc.)
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97 [ -z "$CROSS_HOST" ] && export CROSS_HOST=`uname -m`-walrus-linux
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98 [ -z "$CROSS_TARGET" ] && export CROSS_TARGET=${ARCH}-unknown-linux
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99
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100 # Override these to perform a canadian cross in root-filesystem.sh
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101
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102 if [ -z "$FROM_ARCH" ]
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103 then
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104 FROM_ARCH="${ARCH}"
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105 FROM_HOST="${CROSS_TARGET}"
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106 else
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107 [ -z "$PROGRAM_PREFIX" ] && PROGRAM_PREFIX="${ARCH}-"
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108 fi
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109
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110 # Setup directories and add the cross compiler to the start of the path.
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111
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112 [ -z "$NATIVE_ROOT" ] && export NATIVE_ROOT="${BUILD}/root-filesystem-$ARCH"
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113 export PATH="${BUILD}/cross-compiler-$ARCH/bin:$PATH"
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114 [ "$FROM_ARCH" != "$ARCH" ] &&
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115 PATH="${BUILD}/cross-compiler-${FROM_ARCH}/bin:$PATH"
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116
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117 if [ ! -z "${NATIVE_TOOLSDIR}" ]
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118 then
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119 TOOLS="${NATIVE_ROOT}/tools"
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120 else
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121 TOOLS="${NATIVE_ROOT}/usr"
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122 fi
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123 else
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124 HW_ARCH=host
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125 export WORK="${BUILD}/host-temp"
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126 mkdir -p "${WORK}" || dienow
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127 fi
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128
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129
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130 [ ! -z "$BUILD_VERBOSE" ] && VERBOSITY="V=1"
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131
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132 # This is an if instead of && so the exit code of include.sh is reliably 0
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133 if [ ! -z "$BUILD_STATIC" ]
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134 then
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135 STATIC_FLAGS="--static"
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136 fi