From b9fcbcb596ccad6ec8f9fc9067b37c8e7eb74614 Mon Sep 17 00:00:00 2001 From: Sergei Trofimovich Date: Thu, 19 May 2022 15:39:32 +0100 Subject: [PATCH] btar: add -fcommon workaround Workaround build failure on -fno-common toolchains like upstream gcc-10. Otherwise build fails as: ld: listindex.o:/build/btar-1.1.1/loadindex.h:12: multiple definition of `ptr'; main.o:/build/btar-1.1.1/loadindex.h:12: first defined here --- pkgs/tools/backup/btar/default.nix | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/pkgs/tools/backup/btar/default.nix b/pkgs/tools/backup/btar/default.nix index c77aa5b82b6..00fee941476 100644 --- a/pkgs/tools/backup/btar/default.nix +++ b/pkgs/tools/backup/btar/default.nix @@ -16,6 +16,12 @@ stdenv.mkDerivation rec { }) ]; + # Workaround build failure on -fno-common toolchains like upstream + # gcc-10. Otherwise build fails as: + # ld: listindex.o:/build/btar-1.1.1/loadindex.h:12: multiple definition of + # `ptr'; main.o:/build/btar-1.1.1/loadindex.h:12: first defined here + NIX_CFLAGS_COMPILE = "-fcommon"; + buildInputs = [ librsync ]; makeFlags = [ "PREFIX=$(out)" ];