OsmocomBB

#!/bin/sh

ROOT=`pwd`

SRCDIR=$ROOT/src

BUILDDIR=$ROOT/build

PREFIX=$ROOT/install

GCC_SRC=gcc-4.5.2.tar.bz2

GCC_VERSION=4.5.2

GCC_DIR=gcc-$GCC_VERSION

BINUTILS_SRC=binutils-2.21.1a.tar.bz2

BINUTILS_VERSION=2.21.1

BINUTILS_DIR=binutils-$BINUTILS_VERSION

NEWLIB_SRC=newlib-1.19.0.tar.gz

NEWLIB_VERSION=1.19.0

NEWLIB_DIR=newlib-$NEWLIB_VERSION

#INSIGHT_SRC=insight-6.8-1.tar.bz2

#INSIGHT_VERSION=6.8-1

#INSIGHT_DIR=insight-$INSIGHT_VERSION

echo "I will build an arm-elf cross-compiler:

  Prefix: $PREFIX

  Sources: $SRCDIR

  Build files: $BUILDDIR

Press ^C now if you do NOT want to do this."

read IGNORE

#

# Helper functions.

#

unpack_source()

{

(

    cd $SRCDIR

    ARCHIVE_SUFFIX=${1##*.}

    if [ "$ARCHIVE_SUFFIX" = "gz" ]; then

      tar zxvf $1

    elif [ "$ARCHIVE_SUFFIX" = "bz2" ]; then

      tar jxvf $1

    else

      echo "Unknown archive format for $1"

      exit 1

    fi

)

}

# Create all the directories we need.

#mkdir -p $SRCDIR $BUILDDIR $PREFIX

(

cd $SRCDIR

# Unpack the sources.

unpack_source $(basename $GCC_SRC)

unpack_source $(basename $BINUTILS_SRC)

unpack_source $(basename $NEWLIB_SRC)

#unpack_source $(basename $INSIGHT_SRC)

)

# Set the PATH to include the binaries we're going to build.

OLD_PATH=$PATH

export PATH=$PREFIX/bin:$PATH

#

# Stage 1: Build binutils

#

(

(

# autoconf check.

cd $SRCDIR/$BINUTILS_DIR

) || exit 1

# Now, build it.

mkdir -p $BUILDDIR/$BINUTILS_DIR

cd $BUILDDIR/$BINUTILS_DIR

$SRCDIR/$BINUTILS_DIR/configure --target=arm-elf --prefix=$PREFIX \

    --enable-interwork --enable-threads=posix --enable-multilib --with-float=soft --disable-werror \

    && make all install

) || exit 1

#

# Stage 2: Patch the GCC multilib rules, then build the gcc compiler only

#

(

MULTILIB_CONFIG=$SRCDIR/$GCC_DIR/gcc/config/arm/t-arm-elf

echo "

MULTILIB_OPTIONS += mno-thumb-interwork/mthumb-interwork

MULTILIB_DIRNAMES += normal interwork

" >> $MULTILIB_CONFIG

mkdir -p $BUILDDIR/$GCC_DIR

cd $BUILDDIR/$GCC_DIR

$SRCDIR/$GCC_DIR/configure --target=arm-elf --prefix=$PREFIX \

    --enable-interwork --enable-multilib --with-float=soft --disable-werror \

    --enable-languages="c,c++" --with-newlib \

    --with-headers=$SRCDIR/$NEWLIB_DIR/newlib/libc/include \

    --with-system-zlib --disable-shared \

    && make all-gcc install-gcc

) || exit 1

#

# Stage 3: Build and install newlib

#

(

(

# Same issue, we have to patch to support makeinfo >= 4.11.

cd $SRCDIR/$NEWLIB_DIR

) || exit 1

# And now we can build it.

mkdir -p $BUILDDIR/$NEWLIB_DIR

cd $BUILDDIR/$NEWLIB_DIR

$SRCDIR/$NEWLIB_DIR/configure --target=arm-elf --prefix=$PREFIX \

    --enable-interwork --enable-multilib --with-float=soft --disable-werror \

    && make all install

) || exit 1

#

# Stage 4: Build and install the rest of GCC.

#

(

cd $BUILDDIR/$GCC_DIR

make all install

) || exit 1

#

# Stage 5: Build and install INSIGHT.

#

# edit: we currently don't need that for OsmocomBB

#(

# Now, build it.

#mkdir -p $BUILDDIR/$INSIGHT_DIR

#cd $BUILDDIR/$INSIGHT_DIR

#$SRCDIR/$INSIGHT_DIR/configure --target=arm-elf --prefix=$PREFIX \

#    --enable-interwork --enable-multilib --with-float=soft --disable-werror \

#    && make all install

#) || exit 1

export PATH=$OLD_PATH

echo "

Build complete! Add $PREFIX/bin to your PATH to make arm-elf-gcc and friends

accessible directly.

"