FreeCalypso > hg > freecalypso-tools

annotate toolchain/build+install.sh @ 189:425f16556e69

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doc/CMU200-notes started
author Mychaela Falconia <falcon@freecalypso.org>
date Sun, 23 Apr 2017 16:42:43 +0000
parents e7502631a0f9
children 2beb5bae0796
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1 #!/bin/sh
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2 #
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3 # This script builds and installs binutils, gcc and newlib in the order
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4 # necessary for the whole thing to work. The present version is based
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5 # on OsmocomBB's gnu-arm-build.2.sh script, which is in turn based on
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6 # yet another source. The present version has been concocted by
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7 # Spacefalcon the Outlaw for use in the FreeCalypso project.
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8 #
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9 # This script needs to be invoked with two arguments:
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10 #
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11 # $1: the path to the directory containing the upstream binutils, gcc
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12 # and newlib source tarballs;
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13 #
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14 # $2: the path to the directory where the built toolchain should be
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15 # installed.
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16 #
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17 # Note that there isn't a single install step at the end, instead this
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18 # script will build and install one component, then proceed to build the
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19 # next component which depends on the previous one, etc. For this reason
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20 # you should create a dedicated install directory that is writable by your
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21 # regular (non-root) uid, then run this script to populate that directory
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22 # with the toolchain.
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23
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24 if [ $# != 2 ]
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25 then
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26 echo "usage: $0 path-to-tarballs path-to-install"
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27 exit 1
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28 fi
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29
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30 set -ex
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31
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32 target_args="--target=arm-elf"
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33
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34 # binutils come first
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35 tar xjf $1/binutils-2.21.1a.tar.bz2
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36 # apply patches
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37 patch binutils-2.21.1/bfd/elf32-arm.c < binutils-patches/elf32-arm.patch
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38 mkdir -p binutils-build
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39 cd binutils-build
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40 ../binutils-2.21.1/configure --prefix=$2 ${target_args} --disable-nls
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41 make all
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42 make install
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43 cd ..
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44
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45 # unpack gcc and newlib sources at the same time: the gcc build
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46 # will be pointed to newlib headers
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47 gcc_version=4.5.4
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48 newlib_version=2.0.0
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49 tar xjf $1/gcc-core-${gcc_version}.tar.bz2
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50 tar xzf $1/newlib-${newlib_version}.tar.gz
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51
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52 # patch gcc as needed
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53 cp t-arm-elf gcc-${gcc_version}/gcc/config/arm
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54
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55 # gcc depends on binutils - add our install destination dir to the PATH
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56 # we prepend it to avoid surprises if some other arm-elf- toolchain
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57 # happens to be present already
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58 PATH=$2/bin:$PATH
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59 export PATH
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60
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61 mkdir -p gcc-build
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62 cd gcc-build
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63 ../gcc-${gcc_version}/configure --prefix=$2 ${target_args} \
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64 --enable-interwork --enable-multilib \
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65 --with-cpu=arm7tdmi --with-float=soft \
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66 --enable-languages=c --with-newlib \
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67 --with-headers=`pwd`/newlib-${newlib_version}/newlib/libc/include \
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68 --with-system-zlib --disable-shared \
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69 --disable-nls
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70 make all-gcc
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71 make install-gcc
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72 cd ..
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73
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74 # now we can build newlib
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75 mkdir newlib-build
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76 cd newlib-build
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77 ../newlib-${newlib_version}/configure --prefix=$2 ${target_args} \
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78 --enable-interwork --enable-multilib \
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79 --enable-target-optspace --enable-newlib-reent-small \
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80 --disable-newlib-supplied-syscalls \
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81 --disable-nls
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82 make all
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83 make install
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84 cd ..
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85
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86 # and finally, libgcc
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87 cd gcc-build
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88 make all
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89 make install
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90 cd ..