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authorJörg Thalheim <Mic92@users.noreply.github.com>2021-05-11 09:46:01 +0100
committerGitHub <noreply@github.com>2021-05-11 09:46:01 +0100
commit6d1287860d46af5e1857ea427c86192ddaff929d (patch)
treefbb6cb8e6c10ff6b0feca18ea524bc8b11e51e41 /pkgs/os-specific/linux/kernel/generic.nix
parent7982550ac43ffb81dcff7a86d10508409a5737b4 (diff)
parent270ee17d414469783daccba718a20e31407c6729 (diff)
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Merge pull request #113225 from mroi/patch-linux
linux: improve cross compilation with clang
Diffstat (limited to 'pkgs/os-specific/linux/kernel/generic.nix')
-rw-r--r--pkgs/os-specific/linux/kernel/generic.nix10
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 68a1fcdb0e6..b35c84513e6 100644
--- a/pkgs/os-specific/linux/kernel/generic.nix
+++ b/pkgs/os-specific/linux/kernel/generic.nix
@@ -128,12 +128,16 @@ 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..."