TITLE: New compiler feature test macro is needed for zOS
DESCRIPTION: Add _OPEN_SYS_IF_EXT to compiler options.
SYS_INCLUDES = -I/usr/lpp/tcpip/include -I/usr/lpp/ioclib/include -I$(ROOT)/src/StandardIncludes/zOS
#SYS_INCLUDES = -I/usr/lpp/tcpip/include -I/usr/lpp/ioclib/include
-DEFINES = -DPEGASUS_PLATFORM_$(PEGASUS_PLATFORM) -D _OPEN_SYS_DIR_EXT -D _OPEN_SYS_FILE_EXT -D_ALL_SOURCE -D_UNIX03_SOURCE -D_OPEN_THREADS=2 -D_OPEN_SYS_SOCK_IPV6 -D_ENHANCED_ASCII_EXT=0xFFFFFFFF
+DEFINES = -DPEGASUS_PLATFORM_$(PEGASUS_PLATFORM) -D _OPEN_SYS_IF_EXT -D _OPEN_SYS_DIR_EXT -D _OPEN_SYS_FILE_EXT -D_ALL_SOURCE -D_UNIX03_SOURCE -D_OPEN_THREADS=2 -D_OPEN_SYS_SOCK_IPV6 -D_ENHANCED_ASCII_EXT=0xFFFFFFFF
DEFINES += -DPEGASUS_USE_SYSLOGS