src/log.c: Fix build without DEBUG.

[tlsproxy/tlsproxy.git] / configure.ac

diff --git a/configure.ac b/configure.ac
index 9ca7e3950256102807c43a98b206cadc17c0872a..82be75124597f229f49e626c176b030b55e02a13 100644 (file)
--- a/configure.ac
+++ b/configure.ac
@@ -1,4 +1,4 @@
-AC_INIT([tlsproxy], [0.1], [simon@ruderich.org])
+AC_INIT([tlsproxy], [0.2], [simon@ruderich.org])
 
 AC_CONFIG_AUX_DIR([build-aux])
 AC_CONFIG_MACRO_DIR([m4])
@@ -11,6 +11,9 @@ AC_PROG_CC
 if test "x$GCC" = xyes; then
     CFLAGS="-std=c89 -pedantic -Wall -Wextra -Werror $CFLAGS"
     CFLAGS="-D_XOPEN_SOURCE=500 -Wno-error=int-to-pointer-cast $CFLAGS"
+    # Additional security flags.
+    CFLAGS="$CFLAGS -D_FORTIFY_SOURCE=2 -fstack-protector -fPIE -pie"
+    LDFLAGS="$LDFLAGS -z relro -z now"
 fi
 
 AC_CHECK_LIB([pthread], [pthread_create],
@@ -24,6 +27,13 @@ AC_ARG_ENABLE([debug],
                    AC_DEFINE([DEBUG], 1, [Define to enable debug output.])
                fi])
 
+AC_ARG_ENABLE([ipv6],
+              [AC_HELP_STRING([--disable-ipv6],
+                              [disable IPv6, for IPv4 only network stacks])],
+              [if test "x$enableval" = xno; then
+                   AC_DEFINE([USE_IPV4_ONLY], 1, [Define to not use IPv6.])
+               fi])
+
 AC_CONFIG_HEADERS([config.h])
-AC_CONFIG_FILES([Makefile src/Makefile])
+AC_CONFIG_FILES([Makefile src/Makefile tests/Makefile])
 AC_OUTPUT