From 40840d782048b2769885044afb0d44f4b3bdcb6d Mon Sep 17 00:00:00 2001 From: Sergei Trofimovich Date: Thu, 12 May 2022 22:00:19 +0100 Subject: [PATCH] cgminer: add -fcommon workaround Workaround build failure on -fno-common toolchains like upstream gcc-10. Otherwise build fails as: ld: cgminer-driver-modminer.o:/build/source/miner.h:285: multiple definition of `bitforce_drv'; cgminer-cgminer.o:/build/source/miner.h:285: first defined here --- pkgs/applications/blockchains/cgminer/default.nix | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/pkgs/applications/blockchains/cgminer/default.nix b/pkgs/applications/blockchains/cgminer/default.nix index a77924bb1f0..48a8d3ad930 100644 --- a/pkgs/applications/blockchains/cgminer/default.nix +++ b/pkgs/applications/blockchains/cgminer/default.nix @@ -39,6 +39,13 @@ stdenv.mkDerivation rec { "--enable-keccak" "--enable-bflsc"]; + # Workaround build failure on -fno-common toolchains like upstream + # gcc-10. Otherwise build fails as: + # ld: cgminer-driver-modminer.o:/build/source/miner.h:285: + # multiple definition of `bitforce_drv'; cgminer-cgminer.o:/build/source/miner.h:285: + # first defined here + NIX_CFLAGS_COMPILE = "-fcommon"; + meta = with lib; { description = "CPU/GPU miner in c for bitcoin"; homepage = "https://github.com/ckolivas/cgminer";