xtools/BUILD-newlib.sh

   1 #!/bin/bash
   2
   3 . BUILD-config
   4
   5 download ftp://sources.redhat.com/pub/newlib $newlibdist.tar.gz
   6 rm -rf $builddir-newlib
   7 mkdir -p $builddir-newlib
   8 cd $builddir-newlib
   9
  10 # Untar the files
  11 tar -xzf $GNUsrc/$newlibdist.tar.gz
  12
  13 # Copy over our changes
  14 tar -C $srcroot/newlib -cvf - .|tar -C $newlibdist -xvf -
  15
  16 # Build newlib-1.16.0, available from RedHat:
  17 # http://sourceware.org/newlib/
  18 #
  19 # As for now, yari does not support floating point operations as well as the
  20 # special lw{l,r}, sw{l,r} instructions. Therefore some additional configure
  21 # options are required for newlib to work correctly.
  22
  23 # Dynamic execution count with different newlib options
  24 #  tictactoe: 6588425 (enable-target-optspace)
  25 #  tictactoe: 6498234 (disable-newlib-io-float enable-target-optspace)
  26 #  tictactoe: 4959017 ()
  27 #  tictactoe: 4899002 (disable-newlib-io-float)
  28 # Clearly we're paying dearly at execution time for saving space
  29
  30 # Configure and make the static C lib
  31 mkdir -p build-newlib
  32 cd build-newlib
  33 ../$newlibdist/configure    \
  34   --prefix=$install_prefix  \
  35   --target=mips-elf         \
  36   --enable-target-optspace
  37 make $make_option
  38 $sudo make install
  39 cd ..
  40
  41
  42
  43 # Demo
  44 cat > hw.c <<EOF
  45 #include <stdio.h>
  46 int main(int c, char**v)
  47 {
  48     printf("%s: Hi, I'm YARI.\n", *v);
  49 }
  50 EOF
  51 $target-gcc -O -Tyari.ld hw.c -o hw
  52
  53
  54
  55
  56
  57 # // now the tricky bit building the c++ compiler
  58 # // if you try
  59 # cd ../build-gcc
  60 # ../gcc3.3/configure --enable-languages=c++
  61 # --enable-multilib=no
  62 # --with-cpu=mips32
  63 # --with-newlib
  64 # --target=mips-mips-elf
  65 # --prefix=$prefix --with-gnu-as
  66 # --with-gnu-ar
  67 #
  68 # make