travis.yml: use --enable-werror on debug builds

... to better detect and fault on compiler warnings/errors

Closes #1637

diff --git a/.travis.yml b/.travis.yml
index 852ac55b64554385d71b27766d12e1b959547690..8a89072b592d05f697ffc1a2545d6e06d3887d6f 100644 (file)
--- a/.travis.yml
+++ b/.travis.yml
@@ -63,7 +63,7 @@ script:
         fi
     - |
         if [ "$BUILD_TYPE" = "debug" ]; then
-             ./configure --enable-debug
+             ./configure --enable-debug --enable-werror
              make
              make TFLAGS=-n test-nonflaky
         fi