diff --git a/ext/ghoul b/ext/ghoul
index c1daefdce9..1fc3d1f78d 160000
--- a/ext/ghoul
+++ b/ext/ghoul
@@ -1 +1 @@
-Subproject commit c1daefdce9a252d9048c4b9225f904cda3eb5f90
+Subproject commit 1fc3d1f78dfd9227ee0068f388f96ea6b1b7bf9f
diff --git a/ext/sgct b/ext/sgct
index f1c7ddb602..ac291882d9 160000
--- a/ext/sgct
+++ b/ext/sgct
@@ -1 +1 @@
-Subproject commit f1c7ddb602148425424048285d457aeb7c57a7d6
+Subproject commit ac291882d9dba5636f3b7ef412f39f95e112d057
diff --git a/include/openspace/properties/numericalproperty.inl b/include/openspace/properties/numericalproperty.inl
index 7e83b15fa3..b3cb206af3 100644
--- a/include/openspace/properties/numericalproperty.inl
+++ b/include/openspace/properties/numericalproperty.inl
@@ -246,6 +246,7 @@ template <typename T>
 NumericalProperty<T>::NumericalProperty(PropertyInfo info, T value)
     : NumericalProperty<T>(
         std::move(info),
+        std::move(value),
         PropertyDelegate<NumericalProperty<T>>::template defaultMinimumValue<T>(),
         PropertyDelegate<NumericalProperty<T>>::template defaultMaximumValue<T>(),
         PropertyDelegate<NumericalProperty<T>>::template defaultSteppingValue<T>()
diff --git a/modules/base/rendering/renderableplane.cpp b/modules/base/rendering/renderableplane.cpp
index c67ec7eca0..268e2855e3 100644
--- a/modules/base/rendering/renderableplane.cpp
+++ b/modules/base/rendering/renderableplane.cpp
@@ -114,7 +114,7 @@ RenderablePlane::RenderablePlane(const ghoul::Dictionary& dictionary)
     : Renderable(dictionary)
     , _texturePath(TextureInfo)
     , _billboard(BillboardInfo, false)
-    , _size(SizeInfo, 10.f, 0.f, 1e25)
+    , _size(SizeInfo, 10.f, 0.f, 1e25f)
     , _blendMode(BlendModeInfo, properties::OptionProperty::DisplayType::Dropdown)
     , _shader(nullptr)
     , _texture(nullptr)
diff --git a/modules/base/rendering/renderablesphere.cpp b/modules/base/rendering/renderablesphere.cpp
index 30d2b03de5..a226bd7bda 100644
--- a/modules/base/rendering/renderablesphere.cpp
+++ b/modules/base/rendering/renderablesphere.cpp
@@ -128,7 +128,7 @@ RenderableSphere::RenderableSphere(const ghoul::Dictionary& dictionary)
     : Renderable(dictionary)
     , _texturePath(TextureInfo)
     , _orientation(OrientationInfo, properties::OptionProperty::DisplayType::Dropdown)
-    , _size(SizeInfo, 1.f, 0.f, 1e35)
+    , _size(SizeInfo, 1.f, 0.f, 1e35f)
     , _segments(SegmentsInfo, 8, 4, 1000)
     , _transparency(TransparencyInfo, 1.f, 0.f, 1.f)
     , _shader(nullptr)
@@ -187,7 +187,9 @@ RenderableSphere::RenderableSphere(const ghoul::Dictionary& dictionary)
         }
     });
     if (dictionary.hasKey(TransparencyInfo.identifier)) {
-        _transparency = dictionary.value<double>(TransparencyInfo.identifier);
+        _transparency = static_cast<float>(
+            dictionary.value<double>(TransparencyInfo.identifier)
+        );
     }
     addProperty(_transparency);
 
diff --git a/modules/base/rendering/renderabletrailorbit.cpp b/modules/base/rendering/renderabletrailorbit.cpp
index 106e0ec8b2..d69d2adceb 100644
--- a/modules/base/rendering/renderabletrailorbit.cpp
+++ b/modules/base/rendering/renderabletrailorbit.cpp
@@ -139,7 +139,7 @@ documentation::Documentation RenderableTrailOrbit::Documentation() {
 RenderableTrailOrbit::RenderableTrailOrbit(const ghoul::Dictionary& dictionary)
     : RenderableTrail(dictionary)
     , _period(PeriodInfo, 0.0, 0.0, 1e9)
-    , _resolution(ResolutionInfo, 1e4, 1, 1e6)
+    , _resolution(ResolutionInfo, 10000, 1, 1000000)
     , _needsFullSweep(true)
     , _indexBufferDirty(true)
     , _previousTime(0)
diff --git a/modules/base/rendering/renderabletrailtrajectory.cpp b/modules/base/rendering/renderabletrailtrajectory.cpp
index f82af3ab75..d44705a6f6 100644
--- a/modules/base/rendering/renderabletrailtrajectory.cpp
+++ b/modules/base/rendering/renderabletrailtrajectory.cpp
@@ -145,7 +145,7 @@ RenderableTrailTrajectory::RenderableTrailTrajectory(const ghoul::Dictionary& di
     , _startTime(StartTimeInfo)
     , _endTime(EndTimeInfo)
     , _sampleInterval(SampleIntervalInfo, 2.0, 2.0, 1e6)
-    , _timeStampSubsamplingFactor(TimeSubSampleInfo, 1, 1, 1e9)
+    , _timeStampSubsamplingFactor(TimeSubSampleInfo, 1, 1, 1000000000)
     , _renderFullTrail(RenderFullPathInfo, false)
     , _needsFullSweep(true)
     , _subsamplingIsDirty(true)
diff --git a/modules/globebrowsing/cache/memoryawaretilecache.cpp b/modules/globebrowsing/cache/memoryawaretilecache.cpp
index 5ad33722c5..f97d196be8 100644
--- a/modules/globebrowsing/cache/memoryawaretilecache.cpp
+++ b/modules/globebrowsing/cache/memoryawaretilecache.cpp
@@ -169,7 +169,8 @@ void MemoryAwareTileCache::setSizeEstimated(size_t estimatedSize) {
   
     size_t sumTextureTypeSize = std::accumulate(
         _textureContainerMap.cbegin(),
-        _textureContainerMap.cend(), 0,
+        _textureContainerMap.cend(),
+        size_t(0),
         [](size_t s, const std::pair<const TileTextureInitData::HashKey,
         TextureContainerTileCache>& p)
         {
diff --git a/modules/globebrowsing/other/pixelbuffercontainer.inl b/modules/globebrowsing/other/pixelbuffercontainer.inl
index 2f9109145f..46c3d09d23 100644
--- a/modules/globebrowsing/other/pixelbuffercontainer.inl
+++ b/modules/globebrowsing/other/pixelbuffercontainer.inl
@@ -52,7 +52,7 @@ void* PixelBufferContainer<KeyType>::mapBuffer(KeyType key, PixelBuffer::Access
             _pixelBuffers[i]->unbind();
             if (dataPtr) { // Success in mapping
                 // Add this index to the map of mapped pixel buffers
-                _indexMap.emplace(key, i);
+                _indexMap.emplace(key, static_cast<int>(i));
                 return dataPtr;
             }
         }
diff --git a/modules/globebrowsing/rendering/gpu/gpulayerrendersettings.cpp b/modules/globebrowsing/rendering/gpu/gpulayerrendersettings.cpp
index 450f6708cf..d2adf6d794 100644
--- a/modules/globebrowsing/rendering/gpu/gpulayerrendersettings.cpp
+++ b/modules/globebrowsing/rendering/gpu/gpulayerrendersettings.cpp
@@ -37,7 +37,7 @@ void GPULayerRenderSettings::setValue(ghoul::opengl::ProgramObject* programObjec
     gpuOffset.setValue(programObject, layerSettings.offset.value());
 }
 
-void GPULayerRenderSettings::bind(const LayerRenderSettings& layerSettings,
+void GPULayerRenderSettings::bind(const LayerRenderSettings&,
                                   ghoul::opengl::ProgramObject* programObject,
                                   const std::string& nameBase)
 {
diff --git a/modules/globebrowsing/rendering/layer/layerrendersettings.cpp b/modules/globebrowsing/rendering/layer/layerrendersettings.cpp
index 37902658f5..f8cb1ec335 100644
--- a/modules/globebrowsing/rendering/layer/layerrendersettings.cpp
+++ b/modules/globebrowsing/rendering/layer/layerrendersettings.cpp
@@ -98,7 +98,6 @@ void LayerRenderSettings::setValuesFromDictionary(
     float dictGamma;
     float dictMultiplier;
     float dictOffset;
-    float dictValueBlending;
     
     if (renderSettingsDict.getValue(keyOpacity, dictOpacity)) {
         opacity = dictOpacity;
diff --git a/modules/globebrowsing/tile/rawtile.cpp b/modules/globebrowsing/tile/rawtile.cpp
index ec36caa9fc..43a93496bc 100644
--- a/modules/globebrowsing/tile/rawtile.cpp
+++ b/modules/globebrowsing/tile/rawtile.cpp
@@ -42,7 +42,11 @@ RawTile RawTile::createDefault(const TileTextureInitData& initData) {
     RawTile defaultRes;
     defaultRes.textureInitData = std::make_shared<TileTextureInitData>(initData);
     defaultRes.imageData = new char[initData.totalNumBytes()];
-    std::fill_n(static_cast<char*>(defaultRes.imageData), initData.totalNumBytes(), 0);
+    std::fill_n(
+        static_cast<char*>(defaultRes.imageData),
+        initData.totalNumBytes(),
+        char(0)
+    );
     return defaultRes;
 
 }
diff --git a/modules/globebrowsing/tile/rawtiledatareader/gdalwrapper.cpp b/modules/globebrowsing/tile/rawtiledatareader/gdalwrapper.cpp
index 9d60df5fdd..ce50ee17cd 100644
--- a/modules/globebrowsing/tile/rawtiledatareader/gdalwrapper.cpp
+++ b/modules/globebrowsing/tile/rawtiledatareader/gdalwrapper.cpp
@@ -33,8 +33,18 @@
 #include <ghoul/ghoul.h>
 #include <ghoul/logging/consolelog.h>
 
+
+#ifdef WIN32
+#pragma warning (push)
+#pragma warning (disable : 4251) // needs to have dll-interface to be used by clients
+#endif // WIN32
+
 #include <gdal_priv.h>
 
+#ifdef WIN32
+#pragma warning (pop)
+#endif // WIN32
+
 namespace {
     const char* _loggerCat = "GdalWrapper";
 
diff --git a/modules/globebrowsing/tile/tileprovider/defaulttileprovider.cpp b/modules/globebrowsing/tile/tileprovider/defaulttileprovider.cpp
index 632c7f3207..f2b59bd4c0 100644
--- a/modules/globebrowsing/tile/tileprovider/defaulttileprovider.cpp
+++ b/modules/globebrowsing/tile/tileprovider/defaulttileprovider.cpp
@@ -96,7 +96,7 @@ DefaultTileProvider::DefaultTileProvider(const ghoul::Dictionary& dictionary)
     int tilePixelSize = 0;
     if (dictionary.getValue<double>(KeyTilePixelSize, pixelSize)) {
         LDEBUG("Default pixel size overridden: " << pixelSize);
-        tilePixelSize = pixelSize; 
+        tilePixelSize = static_cast<int>(pixelSize); 
     }
     TileTextureInitData initData(LayerManager::getTileTextureInitData(
         _layerGroupID, tilePixelSize));
diff --git a/modules/globebrowsing/tile/tileprovider/sizereferencetileprovider.cpp b/modules/globebrowsing/tile/tileprovider/sizereferencetileprovider.cpp
index 448adff75e..4f02613a7c 100644
--- a/modules/globebrowsing/tile/tileprovider/sizereferencetileprovider.cpp
+++ b/modules/globebrowsing/tile/tileprovider/sizereferencetileprovider.cpp
@@ -71,7 +71,9 @@ void SizeReferenceTileProvider::renderText(const ghoul::fontrendering::FontRende
 
     glm::vec2 textPosition;
     textPosition.x = 0;
-    textPosition.y = aboveEquator ? _fontSize / 2 : _initData.dimensionsWithPadding().y - 3 * _fontSize / 2;
+    textPosition.y = aboveEquator ?
+        _fontSize / 2.f :
+        _initData.dimensionsWithPadding().y - 3.f * _fontSize / 2.f;
     glm::vec4 color(1.0, 1.0, 1.0, 1.0);
 
     fontRenderer.render(
@@ -80,7 +82,7 @@ void SizeReferenceTileProvider::renderText(const ghoul::fontrendering::FontRende
         color,
         " %.0f %s",
         tileLongitudalLength, unit.c_str()
-        );
+    );
 }
 
 int SizeReferenceTileProvider::roundedLongitudalLength(const TileIndex& tileIndex) const {
@@ -95,7 +97,7 @@ int SizeReferenceTileProvider::roundedLongitudalLength(const TileIndex& tileInde
     if (useKm) {
         l /= 1000;
     }
-    l = std::round(l);
+    l = static_cast<int>(std::round(l));
     if (useKm) {
         l *= 1000;
     }
diff --git a/modules/globebrowsing/tile/tileprovider/temporaltileprovider.cpp b/modules/globebrowsing/tile/tileprovider/temporaltileprovider.cpp
index 2982fe0496..fa9a609bdd 100644
--- a/modules/globebrowsing/tile/tileprovider/temporaltileprovider.cpp
+++ b/modules/globebrowsing/tile/tileprovider/temporaltileprovider.cpp
@@ -71,7 +71,7 @@ TemporalTileProvider::TemporalTileProvider(const ghoul::Dictionary& dictionary)
     try {
         filePath = absPath(filePath);
     }
-    catch (const std::runtime_error& e) {
+    catch (const std::runtime_error&) {
         // File path was not a path to a file but a GDAL config or empty
     }
   
@@ -123,7 +123,7 @@ bool TemporalTileProvider::readFilePath() {
             ghoul::filesystem::File(_filePath.value()).directoryName()
         );
     }
-    catch (const std::runtime_error& e) {
+    catch (const std::runtime_error&) {
         // File path was not a path to a file but a GDAL config or empty
     }
 
diff --git a/modules/globebrowsing/tile/tileprovider/texttileprovider.cpp b/modules/globebrowsing/tile/tileprovider/texttileprovider.cpp
index 0e1494db0f..cdf048d919 100644
--- a/modules/globebrowsing/tile/tileprovider/texttileprovider.cpp
+++ b/modules/globebrowsing/tile/tileprovider/texttileprovider.cpp
@@ -47,7 +47,7 @@ TextTileProvider::TextTileProvider(const TileTextureInitData& initData, size_t f
     , _fontSize(fontSize)
 {
     _tileCache = OsEng.moduleEngine().module<GlobeBrowsingModule>()->tileCache();
-    _font = OsEng.fontManager().font("Mono", _fontSize);
+    _font = OsEng.fontManager().font("Mono", static_cast<float>(_fontSize));
         
     _fontRenderer = std::unique_ptr<FontRenderer>(FontRenderer::createDefault());
     _fontRenderer->setFramebufferSize(_initData.dimensionsWithPadding());
diff --git a/modules/globebrowsing/tile/tileprovider/tileindextileprovider.cpp b/modules/globebrowsing/tile/tileprovider/tileindextileprovider.cpp
index 72c12ec552..4baf0608a0 100644
--- a/modules/globebrowsing/tile/tileprovider/tileindextileprovider.cpp
+++ b/modules/globebrowsing/tile/tileprovider/tileindextileprovider.cpp
@@ -30,7 +30,7 @@
 
 namespace openspace::globebrowsing::tileprovider {
 
-TileIndexTileProvider::TileIndexTileProvider(const ghoul::Dictionary& dict)
+TileIndexTileProvider::TileIndexTileProvider(const ghoul::Dictionary&)
     : TextTileProvider(LayerManager::getTileTextureInitData(
         layergroupid::GroupID::ColorLayers
     ))
diff --git a/modules/kameleon/src/kameleonwrapper.cpp b/modules/kameleon/src/kameleonwrapper.cpp
index e05a0bd3f8..9c6925050d 100644
--- a/modules/kameleon/src/kameleonwrapper.cpp
+++ b/modules/kameleon/src/kameleonwrapper.cpp
@@ -28,6 +28,11 @@
 #include <ghoul/logging/logmanager.h>
 #include <ghoul/filesystem/filesystem.h>
 
+#ifdef WIN32
+#pragma warning (push)
+#pragma warning (disable : 4619) // #pragma warning: there is no warning number '4675'
+#endif // WIN32
+
 #include <ccmc/Kameleon.h>
 #include <ccmc/Model.h>
 #include <ccmc/Interpolator.h>
@@ -35,6 +40,10 @@
 #include <ccmc/ENLIL.h>
 #include <ccmc/CCMCTime.h>
 
+#ifdef WIN32
+#pragma warning (pop)
+#endif // WIN32
+
 #define _USE_MATH_DEFINES
 #include <math.h>
 #include <cstdio>
@@ -940,9 +949,24 @@ void KameleonWrapper::getGridVariables(std::string& x, std::string& y, std::stri
     y = tokens.at(1);
     z = tokens.at(2);
 
-    std::transform(x.begin(), x.end(), x.begin(), ::tolower);
-    std::transform(y.begin(), y.end(), y.begin(), ::tolower);
-    std::transform(z.begin(), z.end(), z.begin(), ::tolower);
+    std::transform(
+        x.begin(),
+        x.end(),
+        x.begin(),
+        [](char c) { return static_cast<char>(tolower(c)); }
+    );
+    std::transform(
+        y.begin(),
+        y.end(),
+        y.begin(),
+        [](char c) { return static_cast<char>(tolower(c)); }
+    );
+    std::transform(
+        z.begin(),
+        z.end(),
+        z.begin(),
+        [](char c) { return static_cast<char>(tolower(c)); }
+    );
 }
 
 KameleonWrapper::GridType KameleonWrapper::getGridType(
diff --git a/modules/kameleonvolume/kameleonvolumereader.cpp b/modules/kameleonvolume/kameleonvolumereader.cpp
index a68bc9c74b..5bde722d5e 100644
--- a/modules/kameleonvolume/kameleonvolumereader.cpp
+++ b/modules/kameleonvolume/kameleonvolumereader.cpp
@@ -28,7 +28,6 @@
 
 #ifdef WIN32
 #pragma warning (push)
-#pragma warning (disable : 4345) // #pragma warning: there is no warning number '4345'
 #pragma warning (disable : 4619) // #pragma warning: there is no warning number '4619'
 #pragma warning (disable : 4675) // #pragma warning: there is no warning number '4675'
 #pragma warning (disable : 4800) // #pragma warning: there is no warning number '4800'
diff --git a/modules/newhorizons/rendering/renderablemodelprojection.cpp b/modules/newhorizons/rendering/renderablemodelprojection.cpp
index 459dc5c918..6b023ada05 100644
--- a/modules/newhorizons/rendering/renderablemodelprojection.cpp
+++ b/modules/newhorizons/rendering/renderablemodelprojection.cpp
@@ -139,7 +139,7 @@ RenderableModelProjection::RenderableModelProjection(const ghoul::Dictionary& di
     );
 
     std::string name;
-    [[maybe_unused]] bool success = dictionary.getValue(SceneGraphNode::KeyName, name);
+    [[ maybe_unused ]] bool success = dictionary.getValue(SceneGraphNode::KeyName, name);
     ghoul_assert(success, "Name was not passed to RenderableModelProjection");
 
     using ghoul::Dictionary;
diff --git a/modules/space/rendering/renderablerings.cpp b/modules/space/rendering/renderablerings.cpp
index 28367c68d1..5c8c584d5d 100644
--- a/modules/space/rendering/renderablerings.cpp
+++ b/modules/space/rendering/renderablerings.cpp
@@ -128,7 +128,7 @@ documentation::Documentation RenderableRings::Documentation() {
 RenderableRings::RenderableRings(const ghoul::Dictionary& dictionary)
     : Renderable(dictionary)
     , _texturePath(TextureInfo)
-    , _size(SizeInfo, 1.f, 0.f, 1e25)
+    , _size(SizeInfo, 1.f, 0.f, 1e25f)
     , _offset(OffsetInfo, glm::vec2(0.f, 1.f), glm::vec2(0.f), glm::vec2(1.f))
     , _nightFactor(NightFactorInfo, 0.33f, 0.f, 1.f)
     , _transparency(TransparencyInfo, 0.15f, 0.f, 1.f)
diff --git a/modules/space/rendering/renderablestars.cpp b/modules/space/rendering/renderablestars.cpp
index ff414456da..ccdd5f5143 100644
--- a/modules/space/rendering/renderablestars.cpp
+++ b/modules/space/rendering/renderablestars.cpp
@@ -212,10 +212,14 @@ RenderableStars::RenderableStars(const ghoul::Dictionary& dictionary)
         "RenderableStars"
     );
 
-    _pointSpreadFunctionTexturePath = absPath(dictionary.value<std::string>(KeyTexture));
+    _pointSpreadFunctionTexturePath = absPath(dictionary.value<std::string>(
+        PsfTextureInfo.identifier
+    ));
     _pointSpreadFunctionFile = std::make_unique<File>(_pointSpreadFunctionTexturePath);
 
-    _colorTexturePath = absPath(dictionary.value<std::string>(KeyColorMap));
+    _colorTexturePath = absPath(dictionary.value<std::string>(
+        ColorTextureInfo.identifier
+    ));
     _colorTextureFile = std::make_unique<File>(_colorTexturePath);
 
     _speckFile = absPath(dictionary.value<std::string>(KeyFile));
diff --git a/modules/space/rendering/simplespheregeometry.cpp b/modules/space/rendering/simplespheregeometry.cpp
index 103e45855d..27c2f8a393 100644
--- a/modules/space/rendering/simplespheregeometry.cpp
+++ b/modules/space/rendering/simplespheregeometry.cpp
@@ -91,7 +91,6 @@ SimpleSphereGeometry::SimpleSphereGeometry(const ghoul::Dictionary& dictionary)
         "SimpleSphereGeometry"
     );
 
-    float sphereRadius = 0.f;
     glm::vec3 ellipsoidRadius;
     if (dictionary.hasKeyAndValue<double>(RadiusInfo.identifier)) {
         const float r = static_cast<float>(
diff --git a/modules/touch/CMakeLists.txt b/modules/touch/CMakeLists.txt
index 45a7400757..0cf5bc55f4 100644
--- a/modules/touch/CMakeLists.txt
+++ b/modules/touch/CMakeLists.txt
@@ -53,3 +53,5 @@ create_new_module(
 )
 
 include_external_library(${touch_module} libTUIO11 ${CMAKE_CURRENT_SOURCE_DIR}/ext)
+
+disable_external_warnings_for_file(${CMAKE_CURRENT_SOURCE_DIR}/ext/levmarq.cpp)
diff --git a/src/engine/downloadmanager.cpp b/src/engine/downloadmanager.cpp
index adbf268aa3..81ecbe24bc 100644
--- a/src/engine/downloadmanager.cpp
+++ b/src/engine/downloadmanager.cpp
@@ -36,7 +36,16 @@
 #include <thread>
 
 #ifdef OPENSPACE_CURL_ENABLED
+#ifdef WIN32
+#pragma warning (push)
+#pragma warning (disable: 4574) // 'INCL_WINSOCK_API_TYPEDEFS' is defined to be '0'
+#endif // WIN32
+
 #include <curl/curl.h>
+
+#ifdef WIN32
+#pragma warning (pop)
+#endif // WIN32
 #endif
 
 namespace {
@@ -318,7 +327,7 @@ DownloadManager::downloadRequestFiles(
     LDEBUG("Request File: " << requestFile);
 
     bool isFinished = false;
-    auto callback = [&](const FileFuture& f) {
+    auto callback = [&](const FileFuture&) {
         LDEBUG("Finished: " << requestFile);
         std::ifstream temporary(requestFile);
         std::string line;
diff --git a/src/network/parallelconnection.cpp b/src/network/parallelconnection.cpp
index 0407543276..aa817dd756 100644
--- a/src/network/parallelconnection.cpp
+++ b/src/network/parallelconnection.cpp
@@ -56,9 +56,15 @@
 #ifndef WIN32_LEAN_AND_MEAN
 #define WIN32_LEAN_AND_MEAN
 #endif
+
+#pragma warning (push)
+#pragma warning (disable: 4574) // 'INCL_WINSOCK_API_TYPEDEFS' is defined to be '0'
+
 #include <winsock2.h>
 #include <windows.h>
 #include <ws2tcpip.h>
+
+#pragma warning (pop)
 #endif
 
 #include <openspace/network/parallelconnection.h>
diff --git a/support/cmake/support_macros.cmake b/support/cmake/support_macros.cmake
index 2ae89cd8ec..318cd51c9b 100644
--- a/support/cmake/support_macros.cmake
+++ b/support/cmake/support_macros.cmake
@@ -170,7 +170,7 @@ function (add_external_dependencies)
     set(SGCT_LIGHT_ONLY ON CACHE BOOL "" FORCE)
     set(SGCT_CUSTOMOUTPUTDIRS OFF CACHE BOOL "" FORCE)
     set(JPEG_TURBO_WITH_SIMD OFF CACHE BOOL "" FORCE)
-    
+
     add_subdirectory(${OPENSPACE_EXT_DIR}/sgct)
     target_include_directories(libOpenSpace SYSTEM PUBLIC ${OPENSPACE_EXT_DIR}/sgct/include)
     target_link_libraries(
@@ -243,6 +243,7 @@ function (add_external_dependencies)
         set(CMAKE_PREFIX_PATH
             "~/Qt/5.6/clang_64/lib/cmake"
             "~/Qt/5.7/clang_64/lib/cmake"
+            "~/Qt/5.8/clang_64/lib/cmake"
             PARENT_SCOPE
         )
     endif ()