AVRFreaks.net

# the original error while building gcc.

./buildavr-toolchain.sh
<blar...blar>
...
checking for gmp.h... no
configure: error: gmp.h can't be found, or is unusable.
make[1]: *** [configure-mpfr] Error 1
make[1]: Leaving directory `/usr/local/avr/build/gcc-4.5.1'
...
build/genmodes -h > tmp-modes.h
/bin/sh: build/genmodes: No such file or directory
make[2]: *** [s-modes-h] Error 127
make[2]: Leaving directory `/usr/local/avr/build/gcc-4.5.1/gcc'
make[1]: *** [install-gcc] Error 2
make[1]: Leaving directory `/usr/local/avr/build/gcc-4.5.1'
make: *** [install] Error 2
(./buildavr-toolchain.sh) GCC build failed

# need to build gmp/mpfr/mpc separately but as
# the gmp/mpc/mpfr source has been patched in
# the gcc-4.5.1 directory and not gmp-4.3.2, mpc-0.9
# etc need to copy them over.

# back up the old ones

PATH=$PATH:/usr/local/avr/bin
export PATH
cd /usr/local/avr/source
mv gmp-4.3.2 gmp-4.3.2.old
mv mpc-0.9 mpc-0.9.old
mv mpfr-3.1.0 mpfr-3.1.0.old

# move new patched versions

cd gcc-4.5.1
mv gmp ../gmp-4.3.2
mv mpc ../mpc-0.9
mv mpfr ../mpfr-3.1.0

# get rid of half built gcc.

cd ../../build
rm -rf gcc-4.5.1

# start building

mkdir gmp-4.3.2
cd gmp-4.3.2
../../source/gmp-4.3.2/configure \
    --prefix=/usr/local/avr/build/tmp
make install

cd ../
mkdir mpfr-3.1.0
cd mpfr-3.1.0
../../source/mpfr-3.1.0/configure \
    --prefix=/usr/local/avr/build/tmp \
    --with-gmp=/usr/local/avr/build/tmp
make install

cd ../
mkdir mpc-0.9
cd mpc-0.9
../../source/mpc-0.9/configure \
    --prefix=/usr/local/avr/build/tmp \
    --with-gmp=/usr/local/avr/build/tmp \
    --with-mpfr=/usr/local/avr/build/tmp
make install

cd ../

# next build gcc

CFLAGS="-Wl,-rpath,/usr/local/avr/build/tmp/lib"
export CFLAGS

mkdir gcc-4.5.1
cd gcc-4.5.1
../../source/gcc-4.5.1/configure \
    --prefix=/usr/local/avr \
    --target=avr --disable-nls \
    --disable-libssp \
    --enable-languages="c,c++" \
    --with-gmp=/usr/local/avr/build/tmp \
    --with-mpfr=/usr/local/avr/build/tmp \
    --with-mpc=/usr/local/avr/build/tmp

make all
make install clean
unset CFLAGS

# now tell buildavr-toolchain.sh we have built gcc.

cd <path where buildavr-toolchain.sh is>
touch ok-build-gcc-4.5.1

run buildavr-toolchain.sh again and it will continue and build libc

./buildavr-toolchain.sh
[...]
(./buildavr-toolchain.sh)
(./buildavr-toolchain.sh) installation of avr GNU tools complete
(./buildavr-toolchain.sh) add /usr/local/avr/bin to your path to use the avr GNU tools
(./buildavr-toolchain.sh) you might want to run the following to save disk space:
(./buildavr-toolchain.sh)
(./buildavr-toolchain.sh) rm -rf /usr/local/avr/source /usr/local/avr/build

# cool.

sudo service kdm restart

muelux@muelux-LT6cA:/$ gcc --version
gcc (Ubuntu 4.4.3-4ubuntu5.1) 4.4.3
Copyright (C) 2009 Free Software Foundation, Inc.

muelux@muelux-LT6cA:/$ df -hm
Dateisystem           1M‐Blöcke   Benutzt Verfügbar Ben% Eingehängt auf
/dev/sda5                15018     13067      1188  92% /
none                      1504         1      1503   1% /dev
none                      1508         0      1508   0% /dev/shm
none                      1508         1      1508   1% /var/run
none                      1508         0      1508   0% /var/lock
none                      1508         0      1508   0% /lib/init/rw
/dev/sda7                64171     47443     13469  78% /home

muelux@muelux-LT6cA:/$ du -hm ~/avr --max-depth=2
9       /home/muelux/avr/source/mpfr-3.1.0
147     /home/muelux/avr/source/binutils-2.20.1
4       /home/muelux/avr/source/mpc-0.9
570     /home/muelux/avr/source/gcc-4.5.1
14      /home/muelux/avr/source/gmp-4.3.2
19      /home/muelux/avr/source/avr-libc-1.7.1
760     /home/muelux/avr/source
760     /home/muelux/avr

#!/bin/bash

#
#Save base/build dir
#
base=${PWD}

#
# Check , then get package versions
#
if [ ! -e ${base}/package-versions ]
then
echo The file ${base}/package-versions must exist
exit 1
fi
#

#
# Get package versions
#
source ${base}/package-versions
#

#
# Get GDB
#
#wget -c  ftp://sourceware.org/pub/insight/releases/${insighttar}
wget -c ftp://ftp.sunet.se/pub/gnu/gdb/${gdbtar}

#
# Get avarice
#
wget -c  http://downloads.sourceforge.net/avarice/${avaricetar}

#
# Get avrdude
#
wget -c  http://download.savannah.gnu.org/releases/avrdude/${avrdudetar}
wget -c  http://download.savannah.gnu.org/releases/avrdude/avrdude-doc-${avrdudever}.pdf

#
# Get Binutils
#   EDITED HERE
#
#wget -c  ftp://ftp.dkuug.dk/pub/gnu/ftp/gnu/binutils/binutils-2.19.1.tar.bz2
wget -c  http://ftp.gnu.org/gnu/binutils/${binutilstar}
#
# Get avr-libc
#
#
wget -c  http://download.savannah.gnu.org/releases/avr-libc/avr-libc-user-manual-${avrlibcver}.pdf.bz2
wget -c  http://download.savannah.gnu.org/releases/avr-libc/${avrlibctar}

#
# Get GMP
#
#wget -c http://ftp.sunet.se/pub/gnu/gmp/gmp-4.2.4.tar.bz2
wget -c http://ftp.sunet.se/pub/gnu/gmp/${gmptar}

#
# Get MPFR
#
#wget -c http://www.mpfr.org/mpfr-2.4.1/${mpfrtar}
wget -c http://ftp.sunet.se/pub/gnu/mpfr/${mpfrtar}

#
# Get MPC - Needed for GCC >= 4.5.0
#
wget -c http://www.multiprecision.org/mpc/download/${mpctar}

#
#Get GCC
# EDITED HERE
#
#wget -c  ftp://ftp.dkuug.dk/pub/gnu/ftp/gnu/gcc/gcc-4.3.2/gcc-4.3.2.tar.bz2
wget -c  ftp://ftp.gnu.org/gnu/gcc/${gcccore}/${gcccoretar}

#
# Done
#