nixpkgs/pkgs/os-specific/linux/kernel/builder.sh
Lluís Batlle i Rossell 5fc64e5f9c Again, trying to fix the kernel build.
It seems that there is no make target named 'vmlinuz' that makes the file 'vmlinuz'.
So we need different variables for the make target and the kernel file. Unless we
some day stop using the file 'vmlinuz' in pc, and use bzImage.

svn path=/nixpkgs/trunk/; revision=20092
2010-02-18 10:25:33 +00:00

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source $stdenv/setup
makeFlags="ARCH=$arch SHELL=/bin/sh"
if [ -n "$crossConfig" ]; then
makeFlags="$makeFlags CROSS_COMPILE=$crossConfig-"
fi
configurePhase() {
if test -n "$preConfigure"; then
eval "$preConfigure";
fi
export INSTALL_PATH=$out
export INSTALL_MOD_PATH=$out
# Set our own localversion, if specified.
rm -f localversion*
if test -n "$localVersion"; then
echo "$localVersion" > localversion-nix
fi
# Patch kconfig to print "###" after every question so that
# generate-config.pl can answer them.
sed -e '/fflush(stdout);/i\printf("###");' -i scripts/kconfig/conf.c
# Get a basic config file for later refinement with $generateConfig.
make $kernelBaseConfig ARCH=$arch
# Create the config file.
echo "generating kernel configuration..."
echo "$kernelConfig" > kernel-config
DEBUG=1 ARCH=$arch KERNEL_CONFIG=kernel-config AUTO_MODULES=$autoModules \
perl -w $generateConfig
}
postBuild() {
# After the builder did a 'make all' (kernel + modules)
# we force building the target asked: bzImage/zImage/uImage/...
if [ "$kernelTarget" != "vmlinuz" ]; then
make $makeFlags $kernelTarget
fi
}
installPhase() {
ensureDir $out
# New kernel versions have a combined tree for i386 and x86_64.
archDir=$arch
if test -e arch/x86 -a \( "$arch" = i386 -o "$arch" = x86_64 \); then
archDir=x86
fi
# Copy the bzImage and System.map.
cp System.map $out
if test "$arch" = um; then
ensureDir $out/bin
cp linux $out/bin
else
cp arch/$archDir/boot/$kernelTarget $out
fi
cp vmlinux $out
# Install the modules in $out/lib/modules with matching paths
# in modules.dep (i.e., refererring to $out/lib/modules, not
# /lib/modules). The depmod_opts= is to prevent the kernel
# from passing `-b PATH' to depmod.
export MODULE_DIR=$out/lib/modules/
substituteInPlace Makefile --replace '-b $(INSTALL_MOD_PATH)' ''
make modules_install \
DEPMOD=$module_init_tools/sbin/depmod depmod_opts= \
$makeFlags "${makeFlagsArray[@]}" \
$installFlags "${installFlagsArray[@]}"
# Strip the kernel modules.
echo "Stripping kernel modules..."
if [ -z "$crossConfig" ]; then
find $out -name "*.ko" -print0 | xargs -0 strip -S
else
find $out -name "*.ko" -print0 | xargs -0 $crossConfig-strip -S
fi
# move this to install later on
# largely copied from early FC3 kernel spec files
version=$(cd $out/lib/modules && ls -d *)
# remove symlinks and create directories
rm -f $out/lib/modules/$version/build
rm -f $out/lib/modules/$version/source
mkdir $out/lib/modules/$version/build
# copy config
cp .config $out/lib/modules/$version/build/.config
ln -s $out/lib/modules/$version/build/.config $out/config
if test "$arch" != um; then
# copy all Makefiles and Kconfig files
ln -s $out/lib/modules/$version/build $out/lib/modules/$version/source
cp --parents `find -type f -name Makefile -o -name "Kconfig*"` $out/lib/modules/$version/build
cp Module.symvers $out/lib/modules/$version/build
# weed out unneeded stuff
rm -rf $out/lib/modules/$version/build/Documentation
rm -rf $out/lib/modules/$version/build/scripts
rm -rf $out/lib/modules/$version/build/include
# copy architecture dependent files
cp -a arch/$archDir/scripts $out/lib/modules/$version/build/ || true
cp -a arch/$archDir/*lds $out/lib/modules/$version/build/ || true
cp -a arch/$archDir/Makefile*.cpu $out/lib/modules/$version/build/arch/$archDir/ || true
cp -a --parents arch/$archDir/kernel/asm-offsets.s $out/lib/modules/$version/build/arch/$archDir/kernel/ || true
# copy scripts
rm -f scripts/*.o
rm -f scripts/*/*.o
cp -a scripts $out/lib/modules/$version/build
# copy include files
includeDir=$out/lib/modules/$version/build/include
mkdir -p $includeDir
(cd include && cp -a * $includeDir)
(cd arch/$archDir/include && cp -a * $includeDir || true)
(cd arch/$archDir/include && cp -a asm/* $includeDir/asm/ || true)
(cd arch/$archDir/include/asm/mach-generic && cp -a * $includeDir/ || true)
fi
}
genericBuild