diff --git a/pkgs/development/libraries/opensaml-cpp/default.nix b/pkgs/development/libraries/opensaml-cpp/default.nix
index 4f83f22856e..1f4ad96c297 100644
--- a/pkgs/development/libraries/opensaml-cpp/default.nix
+++ b/pkgs/development/libraries/opensaml-cpp/default.nix
@@ -19,6 +19,8 @@ stdenv.mkDerivation rec {
 
   configureFlags = [ "--with-xmltooling=${xml-tooling-c}" ];
 
+  NIX_CFLAGS_COMPILE = [ "-std=c++14" ];
+
   enableParallelBuilding = true;
 
   meta = with lib; {
diff --git a/pkgs/development/libraries/shibboleth-sp/default.nix b/pkgs/development/libraries/shibboleth-sp/default.nix
index f3b80c0b548..5dd997352f1 100644
--- a/pkgs/development/libraries/shibboleth-sp/default.nix
+++ b/pkgs/development/libraries/shibboleth-sp/default.nix
@@ -20,6 +20,8 @@ stdenv.mkDerivation rec {
     "--with-fastcgi"
   ];
 
+  NIX_CFLAGS_COMPILE = [ "-std=c++14" ];
+
   enableParallelBuilding = true;
 
   meta = with lib; {
diff --git a/pkgs/development/libraries/xml-tooling-c/default.nix b/pkgs/development/libraries/xml-tooling-c/default.nix
index 9cf3ddb9219..39e25241c94 100644
--- a/pkgs/development/libraries/xml-tooling-c/default.nix
+++ b/pkgs/development/libraries/xml-tooling-c/default.nix
@@ -15,6 +15,8 @@ stdenv.mkDerivation rec {
   buildInputs = [ boost curl openssl log4shib xercesc xml-security-c ];
   nativeBuildInputs = [ autoreconfHook pkg-config ];
 
+  NIX_CFLAGS_COMPILE = [ "-std=c++14" ];
+
   enableParallelBuilding = true;
 
   meta = with lib; {