Resolve compilation errors if compiled with more stringent semantic checks.

Adding Travis test to build with strict warnings.
Fixing a warning in a test which used signed/unsigned integer comparison.

1 files changed, 10 insertions, 0 deletions

diff --git a/travis.sh b/travis.sh
index 26cf481..502b2f1 100755
--- a/travis.sh
+++ b/travis.sh
@@ -28,6 +28,16 @@ withprotobuf_script() {
   make test
 }
 
+# Build with strict warnings.
+warnings_install() {
+  :
+}
+warnings_script() {
+  make -j12 default WITH_MAX_WARNINGS=yes
+  make -j12 tests WITH_MAX_WARNINGS=yes
+  make test
+}
+
 # A 32-bit build.  Can only test the core because any dependencies
 # need to be available as 32-bit libs also, which gets hairy fast.
 # Can't enable the JIT because it only supports x64.