libpar2: fix clang build

/cc ZHF #36454
NixOS · Mar 12, 2018 · 4ba61cd · 4ba61cd
1 parent 0fdbf3e
commit 4ba61cd
Showing 1 changed file with 2 additions and 0 deletions.
diff --git a/pkgs/development/libraries/libpar2/default.nix b/pkgs/development/libraries/libpar2/default.nix
@@ -15,6 +15,8 @@ stdenv.mkDerivation rec {
 
   patches = [ ./libpar2-0.4-external-verification.patch ];
 
+  CXXFLAGS = stdenv.lib.optionalString stdenv.cc.isClang "-std=c++11";
+
   meta = {
     homepage = http://parchive.sourceforge.net/;
     license = stdenv.lib.licenses.gpl2Plus;