Description: add some hardening flags

Author: Moritz Muehlenhoff <jmm@debian.org>

Index: smstools3/src/Makefile

===================================================================

--- smstools3.orig/src/Makefile	2017-05-10 13:17:42.885619831 +0200

+++ smstools3/src/Makefile	2017-05-10 13:19:10.286770111 +0200

@@ -1,7 +1,7 @@

 # In case of windows, use os_cygwin=yes setting in the configuration file (smsd.conf).

 # Select your setup size:

-CFLAGS = -D NUMBER_OF_MODEMS=64

+CFLAGS = -D NUMBER_OF_MODEMS=64 `dpkg-buildflags --get CFLAGS` `dpkg-buildflags --get CPPFLAGS`

 # Uncomment for Solaris

 # CFLAGS += -D SOLARIS

@@ -49,6 +49,9 @@

 # Use the following only on GNU/Linux and only if you need ps listing like "smsd: MAINPROCESS" and "smsd: GSM1"

 # CFLAGS += -D USE_LINUX_PS_TRICK

+LFLAGS = `dpkg-buildflags --get LDFLAGS`

+LFLAGS += -z now -z relro

+

 ifneq (,$(findstring SOLARIS,$(CFLAGS)))

 ifeq (,$(findstring DISABLE_INET_SOCKET,$(CFLAGS)))

 	override LFLAGS += -lsocket -lnsl