Index

1. Building GNU Modula-2 on a Raspberry pi

• first of all it is better to obtain a Raspberry pi with 512 MB ram
• even then we will need to enable swapping, so we edit

• /etc/dphys-swapfile

  CONF_SWAPFILE=500

• reboot

• $ wget http://floppsie.comp.glam.ac.uk/download/c/gcc-4.7.3+gm2-cvs-latest.tar.gz
  $ bash my-rebuild-script

2. my-rebuild-script

• my-rebuild-script

  #!/bin/bash
  
  export PATH=/usr/bin:$PATH
  echo path set to ${PATH}
  
  echo "press enter to continue if the path is correct"
  read ans
  
  LANGUAGES=c,c++,gm2
  cd $HOME/GM2
  GCC=4.7.3
  
  
  rm -rf build-${GCC}
  mkdir build-${GCC}
  cd build-${GCC}

• echo -n "checking for multiarch headers:"
  gcc -print-multiarch
  
  
  LIBRARY_PATH=/usr/lib/$(gcc -print-multiarch)
  CPATH=/usr/include/$(gcc -print-multiarch)
  export LIBRARY_PATH CPATH

• CFLAGS="-g" CBOOTFLAGS="-g" \
      --enable-languages=${LANGUAGES} \
      --libexecdir=$HOME/opt/lib --enable-shared \
      --enable-threads=posix --enable-__cxa_atexit \
      --enable-clocale=gnu \
      --disable-multilib --disable-bootstrap \
      --enable-checking=all --enable-libgm2 \
      --with-bugurl=mailto://yourname@your.org \
      --enable-shared --enable-linker-build-id --with-system-zlib \
      --without-included-gettext --enable-threads=posix \
      --enable-nls --with-sysroot=/ --enable-clocale=gnu \
      --enable-libstdcxx-debug --enable-libstdcxx-time=yes \
      --enable-gnu-unique-object --enable-plugin \
      --enable-objc-gc --disable-sjlj-exceptions \
      --with-arch=armv6 --with-fpu=vfp --with-float=hard \
      --build=arm-linux-gnueabihf --host=arm-linux-gnueabihf \
      --target=arm-linux-gnueabihf
  
  
  time ( ( make "SHELL=/bin/bash" && cd gcc && make check-gm2 ) \
     >& build-log ) < /dev/null &
  sleep 5
  tail -f build-log

• and wait 7 days!

Index

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