about summary refs log tree commit diff
path: root/nixpkgs/pkgs/os-specific/linux/lockdep/default.nix
diff options
context:
space:
mode:
Diffstat (limited to 'nixpkgs/pkgs/os-specific/linux/lockdep/default.nix')
-rw-r--r--nixpkgs/pkgs/os-specific/linux/lockdep/default.nix6
1 files changed, 6 insertions, 0 deletions
diff --git a/nixpkgs/pkgs/os-specific/linux/lockdep/default.nix b/nixpkgs/pkgs/os-specific/linux/lockdep/default.nix
index 190941b1633a..047b2499a827 100644
--- a/nixpkgs/pkgs/os-specific/linux/lockdep/default.nix
+++ b/nixpkgs/pkgs/os-specific/linux/lockdep/default.nix
@@ -23,6 +23,12 @@ stdenv.mkDerivation rec {
 
   nativeBuildInputs = [ flex bison ];
 
+  # Workaround build failure on -fno-common toolchains like upstream
+  # gcc-10. Otherwise build fails as:
+  #   ld: lockdep.o:/build/linux-5.0.21/tools/lib/lockdep/../../include/linux/rcu.h:5: multiple definition of
+  #     `rcu_scheduler_active'; common.o:/build/linux-5.0.21/tools/lib/lockdep/../../include/linux/rcu.h:5: first defined here
+  NIX_CFLAGS_COMPILE = "-fcommon";
+
   buildPhase = ''
     make defconfig
     make headers_install