Mercurial > hg > aboriginal
annotate sources/include.sh @ 608:ab76d4cdd392
Jean Wolter pointed out that running RECORD_COMMANDS=1 twice could create circular symlinks. Hopefully fixed now, and some related cleanups/clarifications.
author | Rob Landley <rob@landley.net> |
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date | Tue, 03 Feb 2009 01:42:29 -0600 |
parents | 3d67228ceb1e |
children | 7523d1f3b818 |
rev | line source |
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1 #!/bin/bash |
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4 [ -e config ] && source config |
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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="${TOP}/sources" |
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27 export SRCDIR="${SOURCES}/packages" |
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28 export FROMSRC=../packages |
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29 export BUILD="${TOP}/build" |
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30 export HOSTTOOLS="${BUILD}/host" |
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31 |
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32 mkdir -p "${SRCDIR}" || dienow |
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33 |
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34 # Adjust $PATH |
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35 |
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36 if [ "$PATH" != "$HOSTTOOLS" ] |
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37 then |
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38 if [ -f "$HOSTTOOLS/busybox" ] |
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39 then |
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40 PATH="$HOSTTOOLS" |
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41 else |
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42 PATH="${HOSTTOOLS}:$PATH" |
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43 fi |
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44 fi |
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45 |
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46 # Setup for $RECORD_COMMANDS |
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47 |
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48 # WRAPPY_LOGPATH is set unconditionally in case host-tools.sh needs to |
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49 # enable wrapping partway through its own build. Extra environment variables |
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50 # don't actually affect much, it's changing $PATH that changes behavior. |
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51 |
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52 STAGE_NAME=`echo $0 | sed 's@.*/\(.*\)\.sh@\1@'` |
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53 [ -z "$WRAPPY_LOGDIR" ] && WRAPPY_LOGDIR="$BUILD" |
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54 export WRAPPY_LOGPATH="$WRAPPY_LOGDIR/cmdlines.${STAGE_NAME}.setupfor" |
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55 if [ ! -z "$RECORD_COMMANDS" ] && [ -f "$BUILD/wrapdir/wrappy" ] |
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56 then |
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57 export WRAPPY_REALPATH="$PATH" |
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58 PATH="$BUILD/wrapdir" |
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59 fi |
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60 |
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61 # Tell bash not to cache the $PATH because we modify it. Without this, bash |
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62 # won't find new executables added after startup. |
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63 set +h |
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64 |
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65 # Get target platform from first command line argument. |
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66 |
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67 if [ -z "$NO_ARCH" ] |
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68 then |
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69 ARCH_NAME="$1" |
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70 if [ ! -f "${TOP}/sources/targets/${ARCH_NAME}/details" ] |
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71 then |
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72 echo "Supported architectures: " |
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73 (cd "${TOP}/sources/targets" && ls) |
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74 exit 1 |
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75 fi |
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76 |
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77 # Read the relevant config file. |
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78 |
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79 ARCH="$ARCH_NAME" |
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80 CONFIG_DIR="${TOP}/sources/targets" |
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81 source "${CONFIG_DIR}/${ARCH}/details" |
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82 |
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83 # Which platform are we building for? |
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84 |
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85 export WORK="${BUILD}/temp-$ARCH_NAME" |
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86 rm -rf "${WORK}" |
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87 mkdir -p "${WORK}" || dienow |
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88 |
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89 # Say "unknown" in two different ways so it doesn't assume we're NOT |
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90 # cross compiling when the host and target are the same processor. (If host |
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91 # and target match, the binutils/gcc/make builds won't use the cross compiler |
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92 # during mini-native.sh, and the host compiler links binaries against the |
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93 # wrong libc.) |
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94 [ -z "$CROSS_HOST" ] && export CROSS_HOST=`uname -m`-walrus-linux |
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95 [ -z "$CROSS_TARGET" ] && export CROSS_TARGET=${ARCH}-unknown-linux |
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96 |
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97 # Setup directories and add the cross compiler to the start of the path. |
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98 |
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99 [ -z "$NATIVE_ROOT" ] && export NATIVE_ROOT="${BUILD}/mini-native-$ARCH" |
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100 export PATH="${BUILD}/cross-compiler-$ARCH/bin:$PATH" |
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101 |
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102 if [ ! -z "${NATIVE_TOOLSDIR}" ] |
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103 then |
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104 TOOLS="${NATIVE_ROOT}/tools" |
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105 else |
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106 TOOLS="${NATIVE_ROOT}/usr" |
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107 fi |
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108 else |
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Add BASE_ARCH support, so a hardware architecture can specify a base architecture and just provide a different kernel.
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109 HW_ARCH=host |
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110 export WORK="${BUILD}/host-temp" |
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Move kernel building from mini-native to package-mini-native in preparation for initramfs packaging option.
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111 mkdir -p "${WORK}" || dienow |
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112 fi |