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* Reduce duplication between kernel expressions.

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svn path=/nixpkgs/trunk/; revision=13778
This commit is contained in:
Eelco Dolstra 2009-01-15 15:40:23 +00:00
parent 2188660f2d
commit a0670a904e
3 changed files with 46 additions and 248 deletions
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127
pkgs/os-specific/linux/kernel/builder-custom.sh
View File

@ -1,127 +0,0 @@
source $stdenv/setup
configurePhase=configurePhase
configurePhase() {
export INSTALL_PATH=$out
export INSTALL_MOD_PATH=$out
eval "$preConfigure"
# Get rid of any "localversion" files installed by patches.
if test -z "$allowLocalVersion"; then
rm -f localversion*
fi
# Set our own localversion, if specified.
if test -n "$localVersion"; then
echo "$localVersion" > localversion-nix
fi
# Create the config file.
cp $config .config
chmod u+w .config
echo --extraConfig--;
echo "${extraConfig}";
echo "$extraConfig" | while read; do
optionName=$( echo "$REPLY" | sed -e 's/[^A-Z_]//g' );
echo --optionName--;
echo "$REPLY";
echo ${optionName};
if [ -n "${optionName}" ]; then
sed -e s/.'*'${optionName}.'*'/"$REPLY/" -i .config
fi;
done;
echo "$extraConfig" >> .config
#substituteInPlace scripts/kconfig/lxdialog/check-lxdialog.sh \
# --replace /usr /no-such-path
# Necessary until NIXPKGS-38 is fixed:
echo "#! $SHELL" > scripts/kconfig/lxdialog/check-lxdialog.sh
chmod +x scripts/kconfig/lxdialog/check-lxdialog.sh
make oldconfig \
$makeFlags "${makeFlagsArray[@]}"
echo --finalConfig--
cat .config
}
installPhase=installPhase
installPhase() {
ensureDir $out
# Copy the bzImage and System.map.
cp System.map $out
if test "$arch" = um; then
ensureDir $out/bin
cp linux $out/bin
else
cp arch/$arch/boot/bzImage $out/vmlinuz
fi
# 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/
make modules_install \
DEPMOD=$module_init_tools/sbin/depmod depmod_opts= \
$makeFlags "${makeFlagsArray[@]}" \
$installFlags "${installFlagsArray[@]}"
# Strip the kernel modules.
echo "Stripping kernel modules..."
find $out -name "*.ko" -print0 | xargs -0 strip -S
# move this to install later on
# largely copied from early FC3 kernel spec files
version=$(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
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/$arch/scripts $out/lib/modules/$version/build || true
cp -a arch/$arch/*lds $out/lib/modules/$version/build || true
cp -a "arch/$arch/Makefile*.cpu" $out/lib/modules/$version/build/arch/$arch || true
cp -a --parents arch/$arch/kernel/asm-offsets.s $out/lib/modules/$version/build/arch/$arch/kernel || true
# copy scripts
rm -f scripts/*.o
rm -f scripts/*/*.o
cp -a scripts $out/lib/modules/$version/build
# copy include files
mkdir -p $out/lib/modules/$version/build/include
cd include
cp -a acpi config linux math-emu media net pcmcia rxrpc scsi sound video asm asm-generic $out/lib/modules/$version/build/include
cp -a `readlink asm` $out/lib/modules/$version/build/include
cd ..
fi
}
genericBuild

58
pkgs/os-specific/linux/kernel/linux.nix → pkgs/os-specific/linux/kernel/generic.nix
View File

@ -1,17 +1,25 @@
{ stdenv, fetchurl, perl, mktemp, module_init_tools, lib
{ stdenv, fetchurl, perl, mktemp, module_init_tools
# The base source file
, src
, # The kernel source tarball.
src
# A list of patches to apply to the kernel. Each element of this list
, # The kernel version.
version
, # The kernel configuration.
config
, # An attribute set whose attributes express the availability of
# certain features in this kernel. E.g. `{iwlwifi = true;}'
# indicates a kernel that provides Intel wireless support. Used in
# NixOS to implement kernel-specific behaviour.
features ? {}
, # A list of patches to apply to the kernel. Each element of this list
# should be an attribute set {name, patch} where `name' is a
# symbolic name and `patch' is the actual patch. The patch may
# optionally be compressed with gzip or bzip2.
, kernelPatches ? []
# A list of commands to run on patched kernel before
# mke oldconfig
, preConfigure? ""
kernelPatches ? []
, # Whether to build a User-Mode Linux kernel.
userModeLinux ? false
@ -19,34 +27,25 @@
, # Whether to build a Xen kernel.
xen ? false
, # Allows you to set your own kernel version for output
version ? "unknown"
# To change how kernel thinks of itself
, localVersion ? ""
, # Your own kernel configuration file, if you don't want to use the
# default.
kernelConfig ? null
, # Allows you to set your own kernel version suffix (e.g.,
# "-my-kernel").
localVersion ? ""
, # A list of additional statements to be appended to the
# configuration file.
extraConfig ? []
, features ? []
}:
assert stdenv.system == "i686-linux" || stdenv.system == "x86_64-linux";
let
lib = import ../../../lib;
lib = stdenv.lib;
in
stdenv.mkDerivation {
name = if userModeLinux then "user-mode-linux-${version}" else "linux-${version}";
builder = ./builder-custom.sh;
passthru = {
inherit version;
@ -54,28 +53,23 @@ stdenv.mkDerivation {
features = lib.fold (x: y: (if x ? features then x.features else {}) // y) features kernelPatches;
};
inherit src;
preConfigure = preConfigure;
builder = ./builder.sh;
inherit src config;
patches = map (p: p.patch) kernelPatches;
extraConfig =
let addNewlines = map (s: "\n" + s + "\n");
configFromPatches =
map (p: if p ? extraConfig then p.extraConfig else "") kernelPatches;
in lib.concatStrings (addNewlines (configFromPatches ++ extraConfig));
config =
if kernelConfig != null then kernelConfig else
if userModeLinux then ./config-2.6.23-uml else
if stdenv.system == "i686-linux" then ./config-2.6.23-i686-smp else
if stdenv.system == "x86_64-linux" then ./config-2.6.23-x86_64-smp else
abort "No kernel configuration for your platform!";
buildInputs = [perl mktemp];
arch =
if userModeLinux then "um" else
if xen then "xen" else
if userModeLinux then "um" else
if stdenv.system == "i686-linux" then "i386" else
if stdenv.system == "x86_64-linux" then "x86_64" else
abort "Platform ${stdenv.system} is not supported.";

109
pkgs/os-specific/linux/kernel/linux-2.6.28.nix
View File

@ -1,95 +1,26 @@
{ stdenv, fetchurl, perl, mktemp, module_init_tools
args @ {stdenv, fetchurl, userModeLinux ? false, ...}:
# A list of patches to apply to the kernel. Each element of this list
# should be an attribute set {name, patch} where `name' is a
# symbolic name and `patch' is the actual patch. The patch may
# optionally be compressed with gzip or bzip2.
, kernelPatches ? []
assert !userModeLinux;
, # Whether to build a User-Mode Linux kernel.
userModeLinux ? false
import ./generic.nix (
, # Allows you to set your own kernel version suffix (e.g.,
# "-my-kernel").
localVersion ? ""
, # Your own kernel configuration file, if you don't want to use the
# default.
kernelConfig ? null
, # A list of additional statements to be appended to the
# configuration file.
extraConfig ? []
}:
assert stdenv.system == "i686-linux" || stdenv.system == "x86_64-linux";
let
lib = stdenv.lib;
version = "2.6.28";
baseFeatures = {
iwlwifi = true;
};
in
stdenv.mkDerivation {
name = if userModeLinux then "user-mode-linux-${version}" else "linux-${version}";
passthru = {
inherit version;
# Combine the `features' attribute sets of all the kernel patches.
features = lib.fold (x: y: (if x ? features then x.features else {}) // y) baseFeatures kernelPatches;
};
rec {
version = "2.6.28";
builder = ./builder.sh;
src = fetchurl {
url = "mirror://kernel/linux/kernel/v2.6/linux-${version}.tar.bz2";
sha256 = "1023nl992s4qmnwzbfz385azzpph58azi5rw4w0wwzzybv2rf3df";
};
patches = map (p: p.patch) kernelPatches;
extraConfig =
let addNewlines = map (s: "\n" + s + "\n");
configFromPatches =
map (p: if p ? extraConfig then p.extraConfig else "") kernelPatches;
in lib.concatStrings (addNewlines (configFromPatches ++ extraConfig));
src = fetchurl {
url = "mirror://kernel/linux/kernel/v2.6/linux-${version}.tar.bz2";
sha256 = "1023nl992s4qmnwzbfz385azzpph58azi5rw4w0wwzzybv2rf3df";
};
config =
if kernelConfig != null then kernelConfig else
if userModeLinux then ./config-2.6.28-uml else
if stdenv.system == "i686-linux" then ./config-2.6.28-i686-smp else
if stdenv.system == "x86_64-linux" then ./config-2.6.28-x86_64-smp else
abort "No kernel configuration for your platform!";
buildInputs = [perl mktemp];
arch =
if userModeLinux then "um" else
if stdenv.system == "i686-linux" then "i386" else
if stdenv.system == "x86_64-linux" then "x86_64" else
abort "Platform ${stdenv.system} is not supported.";
features = {
iwlwifi = true;
};
config =
if stdenv.system == "i686-linux" then ./config-2.6.28-i686-smp else
if stdenv.system == "x86_64-linux" then ./config-2.6.28-x86_64-smp else
abort "No kernel configuration for your platform!";
}
makeFlags = if userModeLinux then "ARCH=um SHELL=bash" else "";
inherit module_init_tools;
allowLocalVersion = false; # don't allow patches to set a suffix
inherit localVersion; # but do allow the user to set one.
meta = {
description =
(if userModeLinux then
"User-Mode Linux"
else
"The Linux kernel") +
(if kernelPatches == [] then "" else
" (with patches: "
+ lib.concatStrings (lib.intersperse ", " (map (x: x.name) kernelPatches))
+ ")");
};
}
// args
)