diff --git a/miniupnpc-libevent/Makefile b/miniupnpc-libevent/Makefile
index 81585a3..c79c1a7 100644
--- a/miniupnpc-libevent/Makefile
+++ b/miniupnpc-libevent/Makefile
@@ -10,7 +10,7 @@ CFLAGS += -fPIC
 CFLAGS += -ansi
 CFLAGS += -Wall -W
 CFLAGS += -D_BSD_SOURCE
-CFLAGS += -D_POSIX_C_SOURCE=1
+CFLAGS += -D_POSIX_C_SOURCE=200112L
 
 LDFLAGS = -levent
 
diff --git a/miniupnpc/CMakeLists.txt b/miniupnpc/CMakeLists.txt
index 6df60fb..0a5dcce 100644
--- a/miniupnpc/CMakeLists.txt
+++ b/miniupnpc/CMakeLists.txt
@@ -30,7 +30,7 @@ endif (NO_GETADDRINFO)
 
 if (NOT WIN32)
   add_definitions (-DMINIUPNPC_SET_SOCKET_TIMEOUT)
-  add_definitions (-D_BSD_SOURCE -D_POSIX_C_SOURCE=1)
+  add_definitions (-D_BSD_SOURCE -D_POSIX_C_SOURCE=200112L)
 else (NOT WIN32)
   add_definitions (-D_WIN32_WINNT=0x0501) # XP or higher for getnameinfo and friends
 endif (NOT WIN32)
diff --git a/miniupnpc/Makefile b/miniupnpc/Makefile
index 5d083e7..79e51e9 100644
--- a/miniupnpc/Makefile
+++ b/miniupnpc/Makefile
@@ -35,7 +35,7 @@ CFLAGS += -W -Wstrict-prototypes
 CFLAGS += -fno-common
 CFLAGS += -DMINIUPNPC_SET_SOCKET_TIMEOUT
 CFLAGS += -DMINIUPNPC_GET_SRC_ADDR
-CFLAGS += -D_BSD_SOURCE -D_POSIX_C_SOURCE=1
+CFLAGS += -D_BSD_SOURCE -D_POSIX_C_SOURCE=200112L
 CFLAGS += -ansi
 # -DNO_GETADDRINFO
 INSTALL = install
diff --git a/miniupnpc/miniwget.c b/miniupnpc/miniwget.c
index 6c3915b..233186c 100644
--- a/miniupnpc/miniwget.c
+++ b/miniupnpc/miniwget.c
@@ -38,6 +38,7 @@
 #include <net/if.h>
 #include <netdb.h>
 #define closesocket close
+#include <strings.h>
 #endif /* #else _WIN32 */
 #ifdef __GNU__
 #define MAXHOSTNAMELEN 64