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Diffstat (limited to 'nixpkgs/pkgs/tools/archivers/p7zip/default.nix')
-rw-r--r--nixpkgs/pkgs/tools/archivers/p7zip/default.nix2
1 files changed, 2 insertions, 0 deletions
diff --git a/nixpkgs/pkgs/tools/archivers/p7zip/default.nix b/nixpkgs/pkgs/tools/archivers/p7zip/default.nix
index 5430c2cb73e7..3b212b186aac 100644
--- a/nixpkgs/pkgs/tools/archivers/p7zip/default.nix
+++ b/nixpkgs/pkgs/tools/archivers/p7zip/default.nix
@@ -37,6 +37,8 @@ stdenv.mkDerivation rec {
 
   setupHook = ./setup-hook.sh;
 
+  NIX_CFLAGS_COMPILE = stdenv.lib.optionalString stdenv.cc.isClang "-Wno-error=c++11-narrowing";
+
   meta = {
     homepage = http://p7zip.sourceforge.net/;
     description = "A port of the 7-zip archiver";