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Realtime compilation fails

Hi I have problem with realtime compilation, I use compile button in editor. I can successfully compile engine from source code, I can successfully compile my project, but every attempt of realtime compilation within editor fails.

Also during compilation there comes popup saying: MSVCP120.dll is missing from your computer. I have visual studio 2013 installed and even tried to manually install Visual Studio 2013 redistributables. None of this works for me.

I do not change header files and i do not add any additional functions. I just comment one line and click on compile, still does not works for me :(

I offer my eternal gratitude for any advice ;)

I am using Windows7 64x

This is what compile log says:

 Info rc.exe TestProject.rc
 Error D:\dev\workspace\UnrealProjects\TestProject\Source\TestProject\Resources\Windows\TestProject.rc(11)  : fatal error RC1015: cannot open include file 'windows.h'.
 Info -------- End Detailed Actions Stats -----------------------------------------------------------
 Info ERROR: UBT ERROR: Failed to produce item: D:\dev\workspace\UnrealProjects\TestProject\Binaries\Win64\UE4Editor-TestProject-3492.dll
 Error Cumulative action seconds (4 processors) : 0,00 building projects, 7,04 compiling, 0,00 creating app bundles, 0,00 generating debug info, 0,00 linking, 0,00 other
 Info UBT execution time: 29,59 seconds
Product Version: Not Selected
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asked Mar 24 '14 at 09:40 AM in C++ Programming

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avatar image dreamhole May 28 '14 at 02:11 PM

Hi, I have same error on VS Express 2013:

1>------ Build started: Project: CTestFly, Configuration: Development_RocketGame x64 ------ 1> rc.exe CTestFly.rc 1>D:\Progs\Unreal Engine\MyProjects41\CTestFly\Source\CTestFly\Resources\Windows\CTestFly.rc(11): fatal error RC1015: cannot open include file 'windows.h'. 1>
1> PCH.CTestFly.CTestFly.h.cpp 1>D:\Progs\Unreal Engine\4.1\Engine\Source\Runtime\Core\Public\HAL\PlatformIncludes.h(8): fatal error C1083: Cannot open include file: 'new': No such file or directory 1> -------- End Detailed Actions Stats ----------------------------------------------------------- 1>ERROR : UBT error : Failed to produce item: D:\Progs\Unreal Engine\MyProjects41\CTestFly\Binaries\Win64\CTestFly.exe 1> Cumulative action seconds (8 processors): 0,00 building projects, 0,25 compiling, 0,00 creating app bundles, 0,00 generating debug info, 0,00 linking, 0,00 other 1> UBT execution time: 7,16 seconds 1>C:\Program Files (x86)\MSBuild\Microsoft.Cpp\v4.0\V120\Microsoft.MakeFile.Targets(38,5): error MSB3073: The command ""D:\Progs\Unreal Engine\4.1\Engine\Build\BatchFiles\Build.bat" CTestFly Win64 Development "D:\Progs\Unreal Engine\MyProjects41\CTestFly\CTestFly.uproject" -rocket" exited with code -1. ========== Build: 0 succeeded, 1 failed, 0 up-to-date, 0 skipped ==========

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1 answer: sort voted first

You can't build your project via Visual Studio while it's loaded in engine, either close editor and build it, or click Compile in editor. But there's a huge limitation in current hot-reload functionality, you would need to close editor if you've changed something in header files. For more information about it check forums, it was discussed somewhere, can't give link, sorry.

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answered Mar 24 '14 at 09:54 AM

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avatar image Ypsylon Mar 24 '14 at 10:05 AM

Thanks for answer, i am using compile button in editor, i do not change header files, do not add any new functions as i come across similar problem, where this malfunction was caused by changing header file or adding additional functions, but even when i just comment one line in already existing function it fails. I hope realtime compilation is possible cause it will be much more easier to tweak code and values using it :-)

avatar image BiggestSmile Mar 24 '14 at 10:11 AM

Hm, strange, it works fine for me. Though i can't open project VS solution via editor while others can, seems like everybody experiencing various problems :)

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