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#!/bin/sh
# This is a wrapper script to build a specific architecture.
#
# It takes the architecture to be built as parameter and that architecture
# needs to be listed in kernel-versions.
# It expects to have the unpacked kernel packages for the architecture in
# e.g. ../alpha. modules.dep files have to be put in there too if they are
# not shipped in the .deb (varies)
#
# dpkg-cross must be installed, but you do not need a cross compiler.
set -e
buildpackage () {
dpkg-buildpackage -d -us -uc -rfakeroot -tc -I $@
}
# Build source package. Binaries are built below.
buildpackage -S
# Directory for stubs, added to PATH.
arch="$1"
trap 'rm -rf $tmpdir' EXIT
tmpdir=$(mktemp -d)
PATH=$PATH:$tmpdir
export PATH
if [ -z "$arch" ]; then
echo "** Error: architecture not specified"
exit 1
fi
if ! cut -d ' ' -f 1 kernel-versions | grep -v "^$arch$"; then
echo "** Error: arch $arch not listed in kernel-versions"
exit 1
fi
if [ "$arch" != "`dpkg-architecture -qDEB_BUILD_ARCH`" ]; then
# Generate cross-compiler stub, this is needed to get the
# debian build system to cross-build the given arch w/o a
# real cross compiler.
CC=$tmpdir/$arch-linux-gcc
echo "#!/bin/sh" > $CC
echo "echo $arch-linux" >> $CC
chmod +x $CC
# Not only must it be in the path, but CC needs to be
# exported as well.
export CC
else
# native build
unset CC
fi
if [ -d ../$arch ]; then
export SOURCEDIR=`pwd`/../$arch
else
unset SOURCEDIR
fi
if [ "$arch" != "`dpkg-architecture -qDEB_BUILD_ARCH`" ]; then
if [ -z "$SOURCEDIR" ]; then
echo "** Warning: no SOURCEDIR for arch $arch" >&2
fi
buildpackage -b -a$arch
else
# native build
buildpackage
fi
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