Tries to fix SDL and Qt builds, introduces Emscripten in Travis.

.travis.yml

@@ -17,6 +17,8 @@ matrix:
     - os: android
       language: android
       env: BUILD_TYPE=ANDROID
+    - os: osx
+      env: BUILD_TYPE=Emscripten
 
 android:
   components:
@@ -69,6 +71,10 @@ before_install:
   - if [ "$BUILD_TYPE" == "SDL" ]; then
       export SDL2DIR="$TRAVIS_BUILD_DIR/thirdparty/SDL2";
     fi
+# Building for Emscripten here
+  - if [ "$BUILD_TYPE" == "Emscripten" ]; then
+      brew install emscripten && export LLVM=/usr/local/opt/emscripten/libexec/llvm/bin && emcc;
+    fi
 
 install:
   - if [ "$TRAVIS_OS_NAME" == "linux" ]; then

JGE/include/JSoundSystem.h

@@ -135,6 +135,8 @@ public:
 #elif (defined WIN32)
 	std::string filename;
 	void* mSample;
+#else
+	void* mSample;
 #endif
 };
 

JGE/src/Downloader.cpp

@@ -139,7 +139,7 @@ void DownloadRequest::fileDownloaded()
 
         // let's check some error
         if(mNetworkReply->error() != QNetworkReply::NoError) {
-            processError(mNetworkReply->error(), mNetworkReply->errorString().toStdString());
+            processError((int)mNetworkReply->error(), mNetworkReply->errorString().toStdString().c_str());
             break;
         }
 

tools/travis-script.sh

@@ -51,6 +51,15 @@ if [ "$BUILD_TYPE" = "ANDROID" ]; then
     cd ..
 fi
 
+# we're building an Emscripten HTML here
+if [ "$BUILD_TYPE" = "Emscripten" ]; then
+    mkdir build_emscripten
+    cd build_emscripten
+    emcmake cmake -DCMAKE_BUILD_TYPE=Release ..
+    emmake make -j4
+    cd ..
+fi
+
 # we're building a Qt version with GUI here
 if [ "$BUILD_TYPE" = "Qt" ]; then
     mkdir build_qt_widget