Added option for --enable-small-stack

configure.ac

@@ -123,6 +123,11 @@ AC_ARG_ENABLE([agent],
     [AS_HELP_STRING([--enable-agent],[Enable ssh-agent support (default: disabled)])],
     [ENABLED_AGENT=$enableval],[ENABLED_AGENT=no])
 
+# small-stack
+AC_ARG_ENABLE([small-stack],
+    [AS_HELP_STRING([--enable-small-stack],[Enable small stack (default: disabled)])],
+    [ENABLED_SMALLSTACK=$enableval],[ENABLED_SMALLSTACK=no])
+
 # Enable All
 AC_ARG_ENABLE([all],
     [AS_HELP_STRING([--enable-all],[Enable all wolfSSH features (default: disabled)])],
@@ -155,6 +160,8 @@ AS_IF([test "x$ENABLED_PTERM" = "xyes"],
 AS_IF([test "x$ENABLED_SHELL" = "xyes"],
       [AM_CPPFLAGS="$AM_CPPFLAGS -DWOLFSSH_SHELL"])
 AS_IF([test "x$ENABLED_AGENT" = "xyes"],[AM_CPPFLAGS="$AM_CPPFLAGS -DWOLFSSH_AGENT"])
+AS_IF([test "x$ENABLED_SMALLSTACK" = "xyes"],
+       [AM_CPPFLAGS="$AM_CPPFLAGS -DWOLFSSH_SMALL_STACK"])
 
 # Set the automake conditionals.
 AM_CONDITIONAL([BUILD_EXAMPLE_SERVERS],[test "x$ENABLED_EXAMPLES" = "xyes"])
@@ -201,6 +208,7 @@ AS_ECHO(["   * Linker Flags:              $LDFLAGS"])
 AS_ECHO
 AS_ECHO(["   Features"])
 AS_ECHO(["   * Inline Code:               $ENABLED_INLINE"])
+AS_ECHO(["   * Small stack:               $ENABLED_SMALLSTACK"])
 AS_ECHO(["   * keygen:                    $ENABLED_KEYGEN"])
 AS_ECHO(["   * psuedo-terminal:           $ENABLED_PTERM"])
 AS_ECHO(["   * echoserver shell support:  $ENABLED_SHELL"])