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Installing the ARM toolchain

This documents describes the installation of binutils 2.16 and GCC 4.0.2 for ARM on a FreeBSD 6.0-RELEASE platform. Other versions should work. This is a very minimal installation, since FreeMAC doesn't even need a C library (a minimal one is included in its source because of size considerations).
  1. Set up a directory which will contain the binaries. Here, we assume we are running as unprivilegied user and installing in the home directory. You can also use /usr/local or /usr (beware of not messing up your native toolchain if you do !) and skip this step.
    $ mkdir /home/seb/arm
    $ export PATH=$PATH:/home/seb/arm/bin
  2. Grab from your favorite GNU mirror the files binutils-2.16.tar.bz2 and gcc-4.0.2.tar.bz2. Uncompress them.
  3. For ARM946E, GCC expects the CPU type to be "arm946e-s", while the assembler expects "arm946e". Edit binutils-2.16/as/config/tc-arm.c and replace "arm946e" with "arm946e-s" line 12699.
    This problem has been fixed in binutils 2.17, so skip this step if you are using a version that is recent enough.
  4. Install binutils :
    $ cd binutils-2.16
    $ ./configure --target=arm-elf --prefix=/home/seb/arm --enable-interwork --enable-multilib
    $ gmake
    $ gmake install
  5. Install GCC :
    $ mkdir gcc-build
    $ cd gcc-build
    $ ../gcc-4.0.2/configure --target=arm-elf --prefix=/home/seb/arm --enable-interwork --enable-multilib --enable-languages="c"
    $ gmake all-gcc
    $ gmake install-gcc
Voila, it's installed ! You should now be able to compile FreeMAC with just the "gmake" command.
In case of trouble, just post in the FreeMAC developers forum.