diff --git a/devel/jsoncpp/Makefile b/devel/jsoncpp/Makefile
index e4f2861f2950..dc207f4ccfc9 100644
--- a/devel/jsoncpp/Makefile
+++ b/devel/jsoncpp/Makefile
@@ -26,7 +26,12 @@ MAKE_ARGS=	platform=linux-gcc
 # Certain new compiler features unlock parts of jsoncpp API (ex. see JSON_HAS_RVALUE_REFERENCES).
 # Use c++11 above to be the most inclusive.
 USES+=		compiler:c++11-lang
+# lang/gcc5 fix
+.if ${COMPILER_TYPE} == clang
 CXXFLAGS+=	--std=c++11
+.else
+CXXFLAGS+=	--std=gnu++11 -D_GLIBCXX_USE_C99=1
+.endif
 .endif
 
 do-install:
diff --git a/devel/jsoncpp/files/patch-src_lib__json_json__reader.cpp b/devel/jsoncpp/files/patch-src_lib__json_json__reader.cpp
new file mode 100644
index 000000000000..48bc9f45a5ae
--- /dev/null
+++ b/devel/jsoncpp/files/patch-src_lib__json_json__reader.cpp
@@ -0,0 +1,14 @@
+--- src/lib_json/json_reader.cpp.orig	2016-10-30 21:28:16 UTC
++++ src/lib_json/json_reader.cpp
+@@ -3,6 +3,11 @@
+ // recognized in your jurisdiction.
+ // See file LICENSE for detail or copy at http://jsoncpp.sourceforge.net/LICENSE
+ 
++// fix for lang/gcc5+
++#if __GNUC__ == 5
++#include <cstdio>
++#endif
++
+ #if !defined(JSON_IS_AMALGAMATION)
+ #include <json/assertions.h>
+ #include <json/reader.h>
diff --git a/devel/jsoncpp/files/patch-src_lib__json_json__writer.cpp b/devel/jsoncpp/files/patch-src_lib__json_json__writer.cpp
new file mode 100644
index 000000000000..5fe8d0ca6d50
--- /dev/null
+++ b/devel/jsoncpp/files/patch-src_lib__json_json__writer.cpp
@@ -0,0 +1,14 @@
+--- src/lib_json/json_writer.cpp.orig	2016-10-30 21:27:18 UTC
++++ src/lib_json/json_writer.cpp
+@@ -3,6 +3,11 @@
+ // recognized in your jurisdiction.
+ // See file LICENSE for detail or copy at http://jsoncpp.sourceforge.net/LICENSE
+ 
++// fix for lang/gcc5+
++#if __GNUC__ == 5
++#include <cstdio>
++#endif
++
+ #if !defined(JSON_IS_AMALGAMATION)
+ #include <json/writer.h>
+ #include "json_tool.h"