Unverified Commit 824ad4fe authored by Sandro Jäckel's avatar Sandro Jäckel Committed by GitHub
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Merge pull request #173970 from trofi/workaround-fno-common-for-lockdep 

lockdep: add -fcommon workaround
parents 8bbd7209 1b11f2b6

pkgs/os-specific/linux/lockdep/default.nix

+6 −0
Original line number Diff line number Diff line
@@ -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