add --enable-static support to autoconf

configure.ac

@@ -13,8 +13,10 @@ AC_PROG_CC
 AC_PROG_INSTALL
 AC_CANONICAL_HOST
 AC_CANONICAL_BUILD
-AC_PROG_RANLIB
 AM_PROG_CC_C_O
+AC_CONFIG_MACRO_DIR([m4])
+
+LT_INIT
 
 AC_CHECK_HEADERS(sys/mman.h)
 AC_CHECK_HEADERS(sys/poll.h)
@@ -49,6 +51,11 @@ if test "x$with_gtk" = "xyes"; then
 fi
 AC_SUBST([MAYBE_GUI])
 
+AC_ARG_ENABLE([static], AS_HELP_STRING([--enable-static], [enable binaries static linking]))
+if test "x$enable_static" = "xyes"; then
+      LDFLAGS="$LDFLAGS -all-static"
+fi
+
 AC_CONFIG_FILES([Makefile])
 AC_OUTPUT