Fix several build-tool bugs, cleanup Windows compilation and remove warning messages.

.travis.yml

@@ -27,15 +27,20 @@ addons:
       - sdl2
       - sdl2_image
       - libogg
+
 matrix:
   include:
+    # OSX is faster to boot and execute the checks, but has more contention for VM instances.
+    # Not waiting fifteen minutes for an instance to come available is faster.
     - name: Static Checks
-      os: osx # OSX is twice as fast to complete the checks
+      os: linux
       env: STATIC_CHECKS=yes
       deploy: false
       before_install: skip
       addons:
-        homebrew:
+        apt:
+          sources:
+            - ubuntu-toolchain-r-test
           packages:
             - clang-format
       script: bash ./scripts/clang-format.sh

scripts/clang-format.sh

@@ -1,6 +1,9 @@
 #!/bin/bash
 
-CLANG_FORMAT="clang-format"
+CLANG_FORMAT=`which "clang-format"`
+if [ ! $PATCH_MODE ]; then
+    echo "clang-format = $CLANG_FORMAT"
+fi
 
 if [ "$TRAVIS_PULL_REQUEST" != "false" ]; then
     # Check the whole commit range against $TRAVIS_BRANCH, the base merge branch

src/GZipFormat.cpp

@@ -3,9 +3,16 @@
 #include <cstring>
 #include <string>
 
+#ifdef __GNUC__
+#pragma GCC diagnostic push
+#pragma GCC diagnostic ignored "-Wattributes"
+#endif
 extern "C" {
-#include "miniz/miniz.h"
+#include <miniz/miniz.h>
 }
+#ifdef __GNUC__
+#pragma GCC diagnostic pop
+#endif
 
 namespace {
 	enum GZipFlags {

src/pigui/LuaFlags.h

@@ -51,7 +51,7 @@ struct LuaFlags {
 		lua_pushinteger(l, lookupTableRef);
 		lua_gettable(l, LUA_REGISTRYINDEX);
 
-		uint table_idx = 1;
+		int table_idx = 1;
 		while (true) {
 			lua_pushinteger(l, table_idx++);
 			lua_gettable(l, index);

src/scenegraph/BinaryConverter.cpp

@@ -6,14 +6,21 @@
 #include "NodeVisitor.h"
 #include "Parser.h"
 #include "StringF.h"
-#include "utils.h"
 #include "scenegraph/Animation.h"
-#include "scenegraph/MatrixTransform.h"
 #include "scenegraph/Label3D.h"
+#include "scenegraph/MatrixTransform.h"
+#include "utils.h"
 
+#ifdef __GNUC__
+#pragma GCC diagnostic push
+#pragma GCC diagnostic ignored "-Wattributes"
+#endif
 extern "C" {
-#include "miniz/miniz.h"
+#include <miniz/miniz.h>
 }
+#ifdef __GNUC__
+#pragma GCC diagnostic pop
+#endif
 
 using namespace SceneGraph;