diff options
| author | Michael Roitzsch <reactorcontrol@icloud.com> | 2021-02-15 20:15:48 +0100 |
|---|---|---|
| committer | Michael Roitzsch <reactorcontrol@icloud.com> | 2021-05-10 10:24:24 +0200 |
| commit | 270ee17d414469783daccba718a20e31407c6729 (patch) | |
| tree | fbc07fa4a2fa025bc141525ffe67c0b8b13b20e9 /pkgs/os-specific/linux/kernel/generic.nix | |
| parent | 50dd350c4cdc007db52032fbff7c5bf13a11b8a9 (diff) | |
linux: improve cross compilation with clang
set HOST* variables for host build tools * do not assume the host compiler is gcc * pass all build tools to make
Diffstat (limited to 'pkgs/os-specific/linux/kernel/generic.nix')
| -rw-r--r-- | pkgs/os-specific/linux/kernel/generic.nix | 10 |
1 files changed, 7 insertions, 3 deletions
diff --git a/pkgs/os-specific/linux/kernel/generic.nix b/pkgs/os-specific/linux/kernel/generic.nix index ac9d6fbb2b594..e2171a96ab0e2 100644 --- a/pkgs/os-specific/linux/kernel/generic.nix +++ b/pkgs/os-specific/linux/kernel/generic.nix @@ -131,12 +131,16 @@ let buildPhase = '' export buildRoot="''${buildRoot:-build}" + export HOSTCC=$CC_FOR_BUILD + export HOSTCXX=$CXX_FOR_BUILD + export HOSTAR=$AR_FOR_BUILD + export HOSTLD=$LD_FOR_BUILD # Get a basic config file for later refinement with $generateConfig. - make -C . O="$buildRoot" $kernelBaseConfig \ + make -C . O="$buildRoot" $kernelBaseConfig \ ARCH=$kernelArch \ - HOSTCC=${buildPackages.stdenv.cc.targetPrefix}gcc \ - HOSTCXX=${buildPackages.stdenv.cc.targetPrefix}g++ + HOSTCC=$HOSTCC HOSTCXX=$HOSTCXX HOSTAR=$HOSTAR HOSTLD=$HOSTLD \ + CC=$CC OBJCOPY=$OBJCOPY OBJDUMP=$OBJDUMP READELF=$READELF # Create the config file. echo "generating kernel configuration..." |