mirror of
https://github.com/NixOS/nixpkgs.git
synced 2024-11-30 09:31:01 +00:00
151 lines
4.7 KiB
Bash
151 lines
4.7 KiB
Bash
source $stdenv/setup
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makeFlags="ARCH=$arch SHELL=/bin/sh"
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if [ -n "$crossConfig" ]; then
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makeFlags="$makeFlags CROSS_COMPILE=$crossConfig-"
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fi
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postPatch() {
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# Makefiles are full of /bin/pwd, /bin/false, /bin/bash, etc.
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# Patch these away, assuming the tools are in $PATH.
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for mf in $(find -name Makefile); do
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echo "stripping FHS paths in \`$mf'..."
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sed -i "$mf" -e 's|/usr/bin/||g ; s|/bin/||g'
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done
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}
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configurePhase() {
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if test -n "$preConfigure"; then
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eval "$preConfigure";
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fi
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export INSTALL_PATH=$out
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export INSTALL_MOD_PATH=$out
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# Set our own localversion, if specified.
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rm -f localversion*
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if test -n "$localVersion"; then
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echo "$localVersion" > localversion-nix
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fi
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# Patch kconfig to print "###" after every question so that
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# generate-config.pl can answer them.
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sed -e '/fflush(stdout);/i\printf("###");' -i scripts/kconfig/conf.c
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# Get a basic config file for later refinement with $generateConfig.
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make $kernelBaseConfig ARCH=$arch
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# Create the config file.
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echo "generating kernel configuration..."
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echo "$kernelConfig" > kernel-config
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DEBUG=1 ARCH=$arch KERNEL_CONFIG=kernel-config AUTO_MODULES=$autoModules \
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perl -w $generateConfig
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}
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postBuild() {
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# After the builder did a 'make all' (kernel + modules)
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# we force building the target asked: bzImage/zImage/uImage/...
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make $makeFlags $kernelTarget
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}
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installPhase() {
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ensureDir $out
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# New kernel versions have a combined tree for i386 and x86_64.
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archDir=$arch
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if test -e arch/x86 -a \( "$arch" = i386 -o "$arch" = x86_64 \); then
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archDir=x86
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fi
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# Copy the bzImage and System.map.
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cp System.map $out
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if test "$arch" = um; then
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ensureDir $out/bin
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cp linux $out/bin
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else
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cp arch/$archDir/boot/$kernelTarget $out
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fi
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cp vmlinux $out
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# Install the modules in $out/lib/modules with matching paths
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# in modules.dep (i.e., refererring to $out/lib/modules, not
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# /lib/modules). The depmod_opts= is to prevent the kernel
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# from passing `-b PATH' to depmod.
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export MODULE_DIR=$out/lib/modules/
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substituteInPlace Makefile --replace '-b $(INSTALL_MOD_PATH)' ''
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make modules_install \
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DEPMOD=$module_init_tools/sbin/depmod depmod_opts= \
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$makeFlags "${makeFlagsArray[@]}" \
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$installFlags "${installFlagsArray[@]}"
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if test -z "$dontStrip"; then
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# Strip the kernel modules.
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echo "Stripping kernel modules..."
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if [ -z "$crossConfig" ]; then
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find $out -name "*.ko" -print0 | xargs -0 strip -S
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else
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find $out -name "*.ko" -print0 | xargs -0 $crossConfig-strip -S
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fi
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fi
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# move this to install later on
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# largely copied from early FC3 kernel spec files
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version=$(cd $out/lib/modules && ls -d *)
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# remove symlinks and create directories
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rm -f $out/lib/modules/$version/build
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rm -f $out/lib/modules/$version/source
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mkdir $out/lib/modules/$version/build
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# copy config
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cp .config $out/lib/modules/$version/build/.config
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ln -s $out/lib/modules/$version/build/.config $out/config
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if test "$arch" != um; then
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# copy all Makefiles and Kconfig files
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ln -s $out/lib/modules/$version/build $out/lib/modules/$version/source
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cp --parents `find -type f -name Makefile -o -name "Kconfig*"` $out/lib/modules/$version/build
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cp Module.symvers $out/lib/modules/$version/build
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if test "$dontStrip" = "1"; then
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# copy any debugging info that can be found
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cp --parents -rv `find -name \*.debug -o -name debug.a` \
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"$out/lib/modules/$version/build"
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fi
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# weed out unneeded stuff
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rm -rf $out/lib/modules/$version/build/Documentation
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rm -rf $out/lib/modules/$version/build/scripts
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rm -rf $out/lib/modules/$version/build/include
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# copy architecture dependent files
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cp -a arch/$archDir/scripts $out/lib/modules/$version/build/ || true
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cp -a arch/$archDir/*lds $out/lib/modules/$version/build/ || true
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cp -a arch/$archDir/Makefile*.cpu $out/lib/modules/$version/build/arch/$archDir/ || true
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cp -a --parents arch/$archDir/kernel/asm-offsets.s $out/lib/modules/$version/build/arch/$archDir/kernel/ || true
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# copy scripts
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rm -f scripts/*.o
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rm -f scripts/*/*.o
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cp -a scripts $out/lib/modules/$version/build
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# copy include files
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includeDir=$out/lib/modules/$version/build/include
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mkdir -p $includeDir
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(cd include && cp -a * $includeDir)
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(cd arch/$archDir/include && cp -a * $includeDir || true)
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(cd arch/$archDir/include && cp -a asm/* $includeDir/asm/ || true)
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(cd arch/$archDir/include/asm/mach-generic && cp -a * $includeDir/ || true)
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fi
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}
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genericBuild
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