Doing a Rebuild in Visual Studio fails to compile

DevTools - UnrealBuildTool - Apr 19, 2016

Attempting to use the Rebuild option in Visual Studio will fail to build the project. It instead produces a message that "Epic was unexpected". ...

Changing the value of BaseUrl in DependencyManifest.cs from http:// to https:// allows dependencies to be downloaded through some firewalls

DevTools - UnrealBuildTool - Apr 18, 2016

If a user attempts to run Setup.bat to download the various dependency files while a SonicWALL firewall is in place, the download will fail to complete. Disabling the firewall allows the download to ...

PCLaunch.rc.res is not not re-created during the build with -useprecompiled

DevTools - UnrealBuildTool - Apr 15, 2016

A linker error is thrown when trying to build a project with -precompile / -useprecompile flags. Linker Error thrown: LINK : fatal error LNK1181: cannot open input file 'D:\UE4\Engine\Intermediate ...

UnrealBuildTool fails to build generate project files or build if the project is stored on a non-HFS partition

DevTools - UnrealBuildTool - Mar 29, 2016

When a user attempts to compile a project that is stored on a non-HFS partition on OSX, UBT fails to build due to files that are being generated that start with ".". The user's proposed fix is to ha ...

New Third Party Plugin does not compile on Mac and Linux and prevents project from opening

DevTools - UnrealBuildTool - Mar 29, 2016

When the plugin wizard is used to create a new third party plugin and restart the editor as prompted, there is a prompt to rebuild the plugin/project. On Windows this rebuild happens successfully a ...

Editor Type Plugins are Included in Packaged Development Build

DevTools - UnrealBuildTool - Feb 19, 2016

When you declare a plugin as "Editor" type, the plugin is still included in a packaged development build. Found in 4.10.3 binary. Reproduced in 4.11 Preview 5, and Main CL 2870013 ...

Unable to compile Engine for Debug Editor when bDebugBuildsActuallyUseDebugCRT is set to true

DevTools - UnrealBuildTool - Feb 10, 2016

When building the source for the engine in Visual Studio 2015, if bDebugBuildsActuallyUseDebugCRT is set to true and the build configuration is Debug Editor, the build will fail. Full output log fr ...

Compiling multiple projects with DebugGame will cause subsequent builds to fail

DevTools - UnrealBuildTool - Feb 8, 2016

If two projects are both built using the DebugGame solution configuration, the first project will fail to compile in DebugGame again due to Unresolved External errors. It seems when DebugGame is co ...

Unreal Lightmass does not build by default when building Solution from Promoted Github 4.12

DevTools - UnrealBuildTool - Jan 19, 2016

When building the Promoted 4.12 Solution from Github as of the 4AM commit, the Unreal Lightmass project does not build by default. This results in the inability to build lighting until Unreal Light ...

UDN: Editor ignores platform-suffixed solution file names when checking for a compiler

DevTools - UnrealBuildTool - Dec 3, 2015

https://udn.unrealengine.com/questions/270801/cannot-open-modules-panel-its-missing.html MikeF: The "Modules" button will automatically become hidden if the editor thinks that the user is not a pr ...