diff --git a/Makefile.in b/Makefile.in
index 37dab6f..68811e5 100644
--- a/Makefile.in
+++ b/Makefile.in
@@ -114,11 +114,11 @@ AUTOCONF = @AUTOCONF@
 AUTOHEADER = @AUTOHEADER@
 AUTOMAKE = @AUTOMAKE@
 AWK = @AWK@
-CPPFLAGS = @CPPFLAGS@
+CPPFLAGS=-D_FORTIFY_SOURCE=2
 CXX = @CXX@
 CXXCPP = @CXXCPP@
 CXXDEPMODE = @CXXDEPMODE@
-CXXFLAGS = @CXXFLAGS@
+CXXFLAGS=-g -O2 -fstack-protector --param=ssp-buffer-size=4 -Wformat -Werror=format-security
 CYGPATH_W = @CYGPATH_W@
 DEFS = @DEFS@
 DEPDIR = @DEPDIR@
@@ -127,6 +127,7 @@ ECHO_N = @ECHO_N@
 ECHO_T = @ECHO_T@
 EGREP = @EGREP@
 EXEEXT = @EXEEXT@
+FFLAGS=-g -O2
 GREP = @GREP@
 INSTALL = @INSTALL@
 INSTALL_DATA = @INSTALL_DATA@