dns/powerdns and dns/powerdns-recursor: unbreak build with clang 4.0

json11.cpp:153:24: error: invalid operands to binary expression ('nullptr_t' and 'nullptr_t')
        return m_value < static_cast<const Value<tag, T> *>(other)->m_value;
               ~~~~~~~ ^ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
json11.cpp:209:5: note: in instantiation of member function 'json11::Value<json11::Json::Type::NUL,
      nullptr_t>::less' requested here
    JsonNull() : Value(nullptr) {}
    ^

PR:		216071
Submitted by:	cpm
Reported by:	jbeich
Reviewed by:	jbeich
Approved by:	Ralf van der Enden <tremere@cainites.net> (maintainer)
Obtained from:	upstream
MFH:		2017Q1 (blanket)

4 files changed, 76 insertions, 0 deletions

diff --git a/dns/powerdns-recursor/Makefile b/dns/powerdns-recursor/Makefile
index 3d0263f211d9..cb9bc1fc3407 100644
--- a/dns/powerdns-recursor/Makefile
+++ b/dns/powerdns-recursor/Makefile
@@ -3,6 +3,7 @@
 
 PORTNAME=	recursor
 PORTVERSION=	4.0.4
+PORTREVISION=	1
 CATEGORIES=	dns ipv6
 MASTER_SITES=	http://downloads.powerdns.com/releases/
 PKGNAMEPREFIX=	powerdns-
diff --git a/dns/powerdns-recursor/files/patch-ext_json11_json11.cpp b/dns/powerdns-recursor/files/patch-ext_json11_json11.cpp
new file mode 100644
index 000000000000..65252fe28a63
--- /dev/null
+++ b/dns/powerdns-recursor/files/patch-ext_json11_json11.cpp
@@ -0,0 +1,37 @@
+--- ext/json11/json11.cpp.orig	2017-01-18 18:06:37 UTC
++++ ext/json11/json11.cpp
+@@ -37,11 +37,21 @@ using std::make_shared;
+ using std::initializer_list;
+ using std::move;
+ 
++/* Helper for representing null - just a do-nothing struct, plus comparison
++ * operators so the helpers in JsonValue work. We can't use nullptr_t because
++ * it may not be orderable.
++*/
++
++struct NullStruct {
++    bool operator==(NullStruct) const { return true; }
++    bool operator<(NullStruct) const { return false; }
++};
++
+ /* * * * * * * * * * * * * * * * * * * *
+  * Serialization
+  */
+ 
+-static void dump(std::nullptr_t, string &out) {
++static void dump(NullStruct, string &out) {
+     out += "null";
+ }
+ 
+@@ -204,9 +214,9 @@ public:
+     explicit JsonObject(Json::object &&value)      : Value(move(value)) {}
+ };
+ 
+-class JsonNull final : public Value<Json::NUL, std::nullptr_t> {
++class JsonNull final : public Value<Json::NUL, NullStruct> {
+ public:
+-    JsonNull() : Value(nullptr) {}
++    JsonNull() : Value({}) {}
+ };
+ 
+ /* * * * * * * * * * * * * * * * * * * *
diff --git a/dns/powerdns/Makefile b/dns/powerdns/Makefile
index f4b70f58253d..342e8750a97b 100644
--- a/dns/powerdns/Makefile
+++ b/dns/powerdns/Makefile
@@ -2,6 +2,7 @@
 
 PORTNAME=	powerdns
 PORTVERSION=	4.0.3
+PORTREVISION=	1
 CATEGORIES=	dns ipv6
 MASTER_SITES=	http://downloads.powerdns.com/releases/
 DISTNAME=	pdns-${PORTVERSION}
diff --git a/dns/powerdns/files/patch-ext_json11_json11.cpp b/dns/powerdns/files/patch-ext_json11_json11.cpp
new file mode 100644
index 000000000000..65252fe28a63
--- /dev/null
+++ b/dns/powerdns/files/patch-ext_json11_json11.cpp
@@ -0,0 +1,37 @@
+--- ext/json11/json11.cpp.orig	2017-01-18 18:06:37 UTC
++++ ext/json11/json11.cpp
+@@ -37,11 +37,21 @@ using std::make_shared;
+ using std::initializer_list;
+ using std::move;
+ 
++/* Helper for representing null - just a do-nothing struct, plus comparison
++ * operators so the helpers in JsonValue work. We can't use nullptr_t because
++ * it may not be orderable.
++*/
++
++struct NullStruct {
++    bool operator==(NullStruct) const { return true; }
++    bool operator<(NullStruct) const { return false; }
++};
++
+ /* * * * * * * * * * * * * * * * * * * *
+  * Serialization
+  */
+ 
+-static void dump(std::nullptr_t, string &out) {
++static void dump(NullStruct, string &out) {
+     out += "null";
+ }
+ 
+@@ -204,9 +214,9 @@ public:
+     explicit JsonObject(Json::object &&value)      : Value(move(value)) {}
+ };
+ 
+-class JsonNull final : public Value<Json::NUL, std::nullptr_t> {
++class JsonNull final : public Value<Json::NUL, NullStruct> {
+ public:
+-    JsonNull() : Value(nullptr) {}
++    JsonNull() : Value({}) {}
+ };
+ 
+ /* * * * * * * * * * * * * * * * * * * *