From 468bf58fa24d78bef8d0d017dcacb7da4c031c12 Mon Sep 17 00:00:00 2001
From: Taylor Yu <catalyst@torproject.org>
Date: Fri, 15 Jun 2018 17:27:19 -0500
Subject: Make Rust warnings conditionally fatal

Set rustc flags to treat warnings as fatal if configured with
--enable-warnings.
---
 configure.ac | 6 ++++++
 1 file changed, 6 insertions(+)

(limited to 'configure.ac')

diff --git a/configure.ac b/configure.ac
index d554ba8e55..5269d9c42e 100644
--- a/configure.ac
+++ b/configure.ac
@@ -462,6 +462,11 @@ if test "x$enable_rust" = "xyes"; then
   fi
 
   AC_DEFINE([HAVE_RUST], 1, [have Rust])
+  if test "x$enable_fatal_warnings" = "xyes"; then
+    RUST_WARN=
+  else
+    RUST_WARN=#
+  fi
   if test "x$enable_cargo_online_mode" = "xyes"; then
     CARGO_ONLINE=
     RUST_DL=#
@@ -515,6 +520,7 @@ if test "x$enable_rust" = "xyes"; then
 
   AC_SUBST(TOR_RUST_STATIC_NAME)
   AC_SUBST(CARGO_ONLINE)
+  AC_SUBST(RUST_WARN)
   AC_SUBST(RUST_DL)
 
   dnl Let's check the rustc version, too
-- 
cgit v1.2.3-54-g00ecf