Mercurial > hg > aboriginal
annotate sources/include.sh @ 513:5644a8164d0d
Revert 509 with a chainsaw. (The gcc man page says gcc-min-heapsize has no effect on code generation, yet the "strip" binary bloated from 1.1 megabytes to 1.8 megabytes when cross compiled for mips from an x86_64 host. I.E. the man page lies.)
author | Rob Landley <rob@landley.net> |
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date | Tue, 02 Dec 2008 01:43:34 -0600 |
parents | b4025af91d59 |
children | 808ba1d186ac |
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)+0] |
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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="${BUILD}/host" |
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31 |
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32 [ -z "$WRAPPY_LOGDIR" ] && WRAPPY_LOGDIR="$BUILD" |
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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 STAGE_NAME=`echo $0 | sed 's@.*/\(.*\)\.sh@\1@'` |
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47 export WRAPPY_LOGPATH="$WRAPPY_LOGDIR/cmdlines.${STAGE_NAME}.setupfor" |
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48 if [ -f "$BUILD/wrapdir/wrappy" ] |
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49 then |
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50 export WRAPPY_REALPATH="$PATH" |
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51 PATH="$BUILD/wrapdir" |
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52 fi |
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53 |
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54 mkdir -p "${SRCDIR}" |
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55 |
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56 # Tell bash not to cache the $PATH because we modify it. Without this, bash |
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57 # won't find new executables added after startup. |
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58 set +h |
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59 |
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60 # Get target platform from first command line argument. |
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61 |
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62 if [ -z "$NO_ARCH" ] |
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63 then |
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64 ARCH_NAME="$1" |
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65 ARCH="$(echo "$1" | sed 's@.*/@@')" |
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66 if [ ! -f "${TOP}/sources/targets/${ARCH}/details" ] |
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67 then |
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68 echo "Supported architectures: " |
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69 (cd "${TOP}/sources/targets" && ls) |
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70 exit 1 |
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71 fi |
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72 |
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73 # Read the relevant config file. |
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74 |
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75 CONFIG_DIR="${TOP}/sources/targets/${ARCH}" |
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76 source "${CONFIG_DIR}/details" |
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77 |
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78 # Which platform are we building for? |
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79 |
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80 export WORK="${BUILD}/temp-$ARCH" |
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81 mkdir -p "${WORK}" |
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82 |
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83 # Say "unknown" in two different ways so it doesn't assume we're NOT |
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84 # cross compiling when the host and target are the same processor. (If host |
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85 # and target match, the binutils/gcc/make builds won't use the cross compiler |
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86 # during mini-native.sh, and the host compiler links binaries against the |
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87 # wrong libc.) |
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88 [ -z "$CROSS_HOST" ] && export CROSS_HOST=`uname -m`-walrus-linux |
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89 [ -z "$CROSS_TARGET" ] && export CROSS_TARGET=${ARCH}-unknown-linux |
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90 |
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91 # Setup directories and add the cross compiler to the start of the path. |
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92 |
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93 export CROSS="${BUILD}/cross-compiler-$ARCH" |
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94 export NATIVE="${BUILD}/mini-native-$ARCH" |
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95 export PATH="${CROSS}/bin:$PATH" |
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96 else |
436 | 97 ARCH_NAME=host |
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98 export WORK="${BUILD}/host-temp" |
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99 mkdir -p "${WORK}" |
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100 fi |
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101 |
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102 [ $? -ne 0 ] && dienow |
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103 |