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linux-megous: simplify the package definition & build w/o debug info

This commit is contained in:
Colin 2023-08-11 21:30:50 +00:00
parent d41d802d83
commit de37188417
1 changed files with 38 additions and 30 deletions
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68
pkgs/additional/linux-megous/default.nix
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@ -1,13 +1,10 @@
{ lib
, buildLinux
, buildPackages
, fetchFromGitHub
, modDirVersionArg ? null
, nixosTests
, perl
, pkgs
# something inside nixpkgs calls `override` on the kernel and passes in extra arguments
, ...
} @ args:
}@args:
with lib;
@ -34,6 +31,16 @@ let
kernelConfig = with lib.kernel; {
# NB: nix adds the CONFIG_ prefix to each of these.
# if you add the prefix yourself nix will IGNORE YOUR CONFIG.
# optimize for faster builds.
# see <repo:kernel.org/linux:Documentation/admin-guide/quickly-build-trimmed-linux.rst>
DEBUG_KERNEL = lib.mkForce no; # option group which seems to just gate the other DEBUG_ opts?
DEBUG_INFO = lib.mkForce no; # for gdb debugging
DEBUG_INFO_BTF = lib.mkForce no; # BPF debug symbols. rec by <https://nixos.wiki/wiki/Linux_kernel#Too_high_ram_usage>
SCHED_DEBUG = lib.mkForce no; # determines /sys/kernel/debug/sched
# SUNRPC_DEBUG = lib.mkForce no; # i use NFS though
# taken from mobile-nixos config?? or upstream megous config??
RTL8723CS = module;
BT_HCIUART_3WIRE = yes;
BT_HCIUART_RTL = yes;
@ -99,35 +106,36 @@ let
extraKernelPatches = [
pkgs.kernelPatches.bridge_stp_helper
pkgs.kernelPatches.request_key_helper
(patchDefconfig kernelConfig)
# (patchDefconfig kernelConfig)
];
# create a kernelPatch which overrides nixos' defconfig with extra options
patchDefconfig = config: {
# defconfig options. this method comes from here:
# - https://discourse.nixos.org/t/the-correct-way-to-override-the-latest-kernel-config/533/9
name = "linux-megous-defconfig";
patch = null;
extraStructuredConfig = config;
# patchDefconfig = config: {
# # defconfig options. this method comes from here:
# # - https://discourse.nixos.org/t/the-correct-way-to-override-the-latest-kernel-config/533/9
# name = "linux-megous-defconfig";
# patch = null;
# extraStructuredConfig = config;
# };
in buildLinux (args // {
version = base + rc;
# modDirVersion needs to be x.y.z, where `z` could be `Z-rcN`
# nix kernel build will sanity check us if we get the modDirVersion wrong
modDirVersion = base + rc;
# branchVersion needs to be x.y
extraMeta.branch = versions.majorMinor base;
src = fetchFromGitHub {
owner = "megous";
repo = "linux";
inherit rev hash;
};
overridenArgs = args // rec {
version = base + rc;
kernelPatches = (args.kernelPatches or []) ++ extraKernelPatches;
# modDirVersion needs to be x.y.z, will automatically add .0 if needed
modDirVersion = if (modDirVersionArg == null) then concatStringsSep "." (take 3 (splitVersion "${version}.0")) + rc else modDirVersionArg;
# branchVersion needs to be x.y
extraMeta.branch = versions.majorMinor version;
src = fetchFromGitHub {
owner = "megous";
repo = "linux";
inherit rev hash;
};
} // (args.argsOverride or { });
finalArgs = overridenArgs // {
kernelPatches = overridenArgs.kernelPatches or [] ++ extraKernelPatches;
};
in buildLinux finalArgs
structuredExtraConfig = (args.structuredExtraConfig or {}) // kernelConfig;
})