@@ -1,4 +1,4 @@
1−{ lib, stdenv, fetchurl, pkg-config, perl, lvm2, libaio, gzip, readline, systemd, liburcu, json_c, kmod }:
1+{ lib, stdenv, fetchurl, fetchpatch, pkg-config, perl, lvm2, libaio, gzip, readline, systemd, liburcu, json_c, kmod }:
22
33stdenv.mkDerivation rec {
44 pname = "multipath-tools";
@@ -13,6 +13,13 @@ stdenv.mkDerivation rec {
1313 patches = [
1414 # fix build with json-c 0.14 https://www.redhat.com/archives/dm-devel/2020-May/msg00261.html
1515 ./json-c-0.14.patch
16+
17+ # pull upstream fix for -fno-common toolchains like clang-12
18+ (fetchpatch {
19+ name = "fno-common.patch";
20+ url = "https://github.com/opensvc/multipath-tools/commit/23a9247fa89cd0c84fe7e0f32468fd698b1caa48.patch";
21+ sha256 = "10hq0g2jfkfbmwhm4x4q5cgsswj30lm34ib153alqzjzsxc1hqjk";
22+ })
1623 ];
1724
1825 postPatch = ''