# \#compilation **URL:** https://forums.unrealengine.com/tag/compilation/712.md [Latest](https://forums.unrealengine.com/latest.md) · [Categories](https://forums.unrealengine.com/categories.md) · [Tags](https://forums.unrealengine.com/tags.md) --- ## [What is VSCode missing in the Build Process vs the Editor Compile Process?](https://forums.unrealengine.com/t/what-is-vscode-missing-in-the-build-process-vs-the-editor-compile-process/477749)
**Author:** [@YogurtExplosion](https://forums.unrealengine.com/u/YogurtExplosion)\ **Replies:** 1\ **Last updated:** [April 19, 2021, 7:30pm UTC](https://forums.unrealengine.com/t/what-is-vscode-missing-in-the-build-process-vs-the-editor-compile-process/477749 "2021-04-19T19:30:25Z")
Hello World! First thing: I am new to C++ Development and a big sucker vor VS Code. My Problem Last week I implemented and built successfully a module. However once I make a change in my Source Code and use VS Code’s B… --- ## [Unable to compile shaders with Incredibuild disabled](https://forums.unrealengine.com/t/unable-to-compile-shaders-with-incredibuild-disabled/478160)
**Author:** [@anonymous\_user\_1d88de50](https://forums.unrealengine.com/u/anonymous_user_1d88de50)\ **Replies:** 1\ **Last updated:** [April 16, 2021, 3:27pm UTC](https://forums.unrealengine.com/t/unable-to-compile-shaders-with-incredibuild-disabled/478160 "2021-04-16T15:27:28Z")
Hello! I recently moved to Unreal Engine 4.26, and I was getting issues with compiling through incredibuild (first it was taking almost a minute to build a single class, then about 5 seconds each time to compile the pre… --- ## [Engine/Binaries/Linux/dump\_syms: not found](https://forums.unrealengine.com/t/engine-binaries-linux-dump-syms-not-found/454990)
**Author:** [@anonymous\_user\_2c899c0a](https://forums.unrealengine.com/u/anonymous_user_2c899c0a)\ **Replies:** 0\ **Last updated:** [September 8, 2019, 1:05am UTC](https://forums.unrealengine.com/t/engine-binaries-linux-dump-syms-not-found/454990 "2019-09-08T01:05:14Z")
Hi, I have trouble building the Unreal Engine version 4.22.3: Building UnrealHeaderTool... Performing 30 actions (4 in parallel) \[4/30\] Compile SharedPCH.Core.h \[3/30\] Compile BuildSettings.cpp \[2/30\] Compile PCH.CoreUO… --- ## [Editor not showing new variables after compilating](https://forums.unrealengine.com/t/editor-not-showing-new-variables-after-compilating/454482)
**Author:** [@akaPrometh](https://forums.unrealengine.com/u/akaPrometh)\ **Replies:** 4\ **Last updated:** [August 28, 2019, 2:30pm UTC](https://forums.unrealengine.com/t/editor-not-showing-new-variables-after-compilating/454482 "2019-08-28T14:30:55Z")
Right, so another unreal issue… ^^ Ranting aside; the latest version of the engine seems to not want to show variables I create in cpp code in the blueprint’s Details pannel. I have to close the entire program and reope… --- ## [Can UE4 be linked against as a third-party module?](https://forums.unrealengine.com/t/can-ue4-be-linked-against-as-a-third-party-module/452522)
**Author:** [@anonymous\_user\_814115b8](https://forums.unrealengine.com/u/anonymous_user_814115b8)\ **Replies:** 3\ **Last updated:** [July 20, 2019, 4:01am UTC](https://forums.unrealengine.com/t/can-ue4-be-linked-against-as-a-third-party-module/452522 "2019-07-20T04:01:50Z")
Hi. If I understand correctly, a game in UE4 is written as a plugin to the engine. That is, the engine/editor houses the main-entry point to the executable, and the application code is called by the engine. Traditiona… --- ## [If I'm the only dev, should I use a build accelerator such as increadibuild?](https://forums.unrealengine.com/t/if-im-the-only-dev-should-i-use-a-build-accelerator-such-as-increadibuild/450340)
**Author:** [@vycanis1801](https://forums.unrealengine.com/u/vycanis1801)\ **Replies:** 0\ **Last updated:** [June 8, 2019, 3:18pm UTC](https://forums.unrealengine.com/t/if-im-the-only-dev-should-i-use-a-build-accelerator-such-as-increadibuild/450340 "2019-06-08T15:18:45Z")
I was just going over UE4’s intro documentation and it had said that a performance setup should include an increadibuild installation. So is it worth it if I’m the only person working on a game? --- ## [C++ plugins recompile when not updated](https://forums.unrealengine.com/t/c-plugins-recompile-when-not-updated/411219)
**Author:** [@Emidee](https://forums.unrealengine.com/u/Emidee)\ **Replies:** 1\ **Last updated:** [September 10, 2018, 8:41pm UTC](https://forums.unrealengine.com/t/c-plugins-recompile-when-not-updated/411219 "2018-09-10T20:41:03Z")
Hello, I don’t know whether it’s a bug or not but we use some plugins which have C++ files (GameSparks / Spine ) We never touch those files, but very often when compiling our project, the libraries of those plugins are… --- ## ["Key Structure" reroute nodes cause compilation problems](https://forums.unrealengine.com/t/key-structure-reroute-nodes-cause-compilation-problems/396346)
**Author:** [@Arty-McLabin](https://forums.unrealengine.com/u/Arty-McLabin)\ **Replies:** 7\ **Last updated:** [May 24, 2018, 7:56pm UTC](https://forums.unrealengine.com/t/key-structure-reroute-nodes-cause-compilation-problems/396346 "2018-05-24T19:56:59Z")
reroute nodes of “Key Structure” cause the blueprint to get “dirty; need compilation” right after you compile it. no matter how many times. i have noticed that only with Jesus Christ help after 3 weeks of compilation… --- ## [How to improve Blueprint inheritance to speed up compilation time?](https://forums.unrealengine.com/t/how-to-improve-blueprint-inheritance-to-speed-up-compilation-time/421622)
**Author:** [@Gaidline](https://forums.unrealengine.com/u/Gaidline)\ **Replies:** 4\ **Last updated:** [April 5, 2018, 2:34pm UTC](https://forums.unrealengine.com/t/how-to-improve-blueprint-inheritance-to-speed-up-compilation-time/421622 "2018-04-05T14:34:41Z")
I have several BP classes that are connected by inheritance like this: Class\_1 \<-- Class\_2 \<-- Class\_3 Class\_3 \<-- Class\_3.1 Class\_3 \<-- Class\_3.2 \[...\] Class\_3 \<-- Class\_3.10 All classes from Class\_3.1 to C… --- ## [IncrediBuild is not automatically triggered](https://forums.unrealengine.com/t/incredibuild-is-not-automatically-triggered/419782)
**Author:** [@anonymous\_user\_39142901](https://forums.unrealengine.com/u/anonymous_user_39142901)\ **Replies:** 0\ **Last updated:** [March 14, 2018, 7:03am UTC](https://forums.unrealengine.com/t/incredibuild-is-not-automatically-triggered/419782 "2018-03-14T07:03:40Z")
Hi, I’m a build engineer, and recently have set up a build environment which uses IncrediBuild to compile our editor and game. I’ve noticed that, when I run the following command line manually from my PC or a build mach… --- ## [Long compilation of the blueprints](https://forums.unrealengine.com/t/long-compilation-of-the-blueprints/404220)
**Author:** [@anonymous\_user\_75f34605](https://forums.unrealengine.com/u/anonymous_user_75f34605)\ **Replies:** 4\ **Last updated:** [February 10, 2018, 6:43pm UTC](https://forums.unrealengine.com/t/long-compilation-of-the-blueprints/404220 "2018-02-10T18:43:01Z")
Hi, i have installed 4.17 version and noticed long compilation of blueprints. For example on 4.10-.4.16 versions, the compilation of the game mode takes about 3-5 seconds. 4.17 version, the compilation of the game mode… --- ## [Linux engine compilation error: "libUE4Editor-SequenceRecorder.so: file not recognized: File format not recognized"](https://forums.unrealengine.com/t/linux-engine-compilation-error-libue4editor-sequencerecorder-so-file-not-recognized-file-format-not-recognized/409332)
**Author:** [@SkaveRat](https://forums.unrealengine.com/u/SkaveRat)\ **Replies:** 2\ **Last updated:** [November 11, 2017, 5:43pm UTC](https://forums.unrealengine.com/t/linux-engine-compilation-error-libue4editor-sequencerecorder-so-file-not-recognized-file-format-not-recognized/409332 "2017-11-11T17:43:41Z")
When trying to compile the release branch of the engine, I get following error: .../UnrealEngine/Engine/Binaries/Linux/libUE4Editor-SequenceRecorder.so: file not recognized: File format not recognized Setup.sh and Gene… --- ## [USTRUCT referencing problem](https://forums.unrealengine.com/t/ustruct-referencing-problem/408519)
**Author:** [@Crispy\_Penguin](https://forums.unrealengine.com/u/Crispy_Penguin)\ **Replies:** 5\ **Last updated:** [November 2, 2017, 10:01am UTC](https://forums.unrealengine.com/t/ustruct-referencing-problem/408519 "2017-11-02T10:01:04Z")
Here are some cheap karma points for taking. I am converting a prototype from blueprint to C++ where I get into situation, where my USTRUCT S is holding reference to class A, but my class A has to have array of structs … --- ## [Compiling project with VS2017 (v141) toolchain](https://forums.unrealengine.com/t/compiling-project-with-vs2017-v141-toolchain/405835)
**Author:** [@anonymous\_user\_2df21e76](https://forums.unrealengine.com/u/anonymous_user_2df21e76)\ **Replies:** 2\ **Last updated:** [November 1, 2017, 2:14am UTC](https://forums.unrealengine.com/t/compiling-project-with-vs2017-v141-toolchain/405835 "2017-11-01T02:14:13Z")
Simple question, is there any way to specify the desired toolchain to be used for compilation? Even though I use VS2017 as my IDE right now, and solutions are generated for that correctly, when compiling it is still usin… --- ## [CEF Binaries Not Found With Linux Build](https://forums.unrealengine.com/t/cef-binaries-not-found-with-linux-build/408078)
**Author:** [@AlanEdwardes](https://forums.unrealengine.com/u/AlanEdwardes)\ **Replies:** 0\ **Last updated:** [October 27, 2017, 8:33am UTC](https://forums.unrealengine.com/t/cef-binaries-not-found-with-linux-build/408078 "2017-10-27T08:33:04Z")
Hi, My game uses the experimental web browser UMG widget to show initial in-game news to players. On Linux, when cross-compiling or compiling natively, the CEF binaries are not properly loaded when the game is run, resu… --- ## [How to prevent recompilation?](https://forums.unrealengine.com/t/how-to-prevent-recompilation/405816)
**Author:** [@Neytoz](https://forums.unrealengine.com/u/Neytoz)\ **Replies:** 0\ **Last updated:** [September 30, 2017, 11:26am UTC](https://forums.unrealengine.com/t/how-to-prevent-recompilation/405816 "2017-09-30T11:26:59Z")
Hey, I wonder if and how we can prevent need for compilation every time after downloading repositorium on new workstation? Repositorium contains engine and project. Also one of my plugins sends warning during compilati… --- ## [Splitting a struct pin on a Get Class Defaults node causes problems](https://forums.unrealengine.com/t/splitting-a-struct-pin-on-a-get-class-defaults-node-causes-problems/392932)
**Author:** [@Modus\_Ponens](https://forums.unrealengine.com/u/Modus_Ponens)\ **Replies:** 1\ **Last updated:** [May 8, 2017, 9:35pm UTC](https://forums.unrealengine.com/t/splitting-a-struct-pin-on-a-get-class-defaults-node-causes-problems/392932 "2017-05-08T21:35:30Z")
REPRO Add a struct variable called Foo with a member called Bar to a class called Dab Drop a Get Class Defaults node for Dab in a graph On that node, split the output struct pin for Foo Use the resulting Bar pin that… --- ## [Can't start with Rift CV1 after compilation](https://forums.unrealengine.com/t/cant-start-with-rift-cv1-after-compilation/357710)
**Author:** [@MannyLectro](https://forums.unrealengine.com/u/MannyLectro)\ **Replies:** 1\ **Last updated:** [September 13, 2016, 1:01pm UTC](https://forums.unrealengine.com/t/cant-start-with-rift-cv1-after-compilation/357710 "2016-09-13T13:01:04Z")
Hi everyone ! So I installed Unreal 4.12 and worked a bit with it. Everything was fine and I had quite a blast when trying the VR editor with the Rift and Vive. Now I do have a problem after compilation : I can’t seem … --- ## [Editor crashed often on BP compilation](https://forums.unrealengine.com/t/editor-crashed-often-on-bp-compilation/360409)
**Author:** [@anonymous\_user\_590cb5931](https://forums.unrealengine.com/u/anonymous_user_590cb5931)\ **Replies:** 2\ **Last updated:** [June 17, 2016, 3:10pm UTC](https://forums.unrealengine.com/t/editor-crashed-often-on-bp-compilation/360409 "2016-06-17T15:10:35Z")
Hello. Editor crashed often on BP compilation. Logs and dumps are attached.link text --- ## [Compilator skips plugin compilation](https://forums.unrealengine.com/t/compilator-skips-plugin-compilation/359605)
**Author:** [@Madsen](https://forums.unrealengine.com/u/Madsen)\ **Replies:** 9\ **Last updated:** [June 6, 2016, 7:35pm UTC](https://forums.unrealengine.com/t/compilator-skips-plugin-compilation/359605 "2016-06-06T19:35:57Z")
I have created plugin from Editor Mode using build in tool. And everything works fine. After plugin creation editor restarted, source code rebuilt, button appeared and default functions work well. The problem is that wh… --- ## [Can't compile after moving from 4.10 to 4.11](https://forums.unrealengine.com/t/cant-compile-after-moving-from-4-10-to-4-11/353986)
**Author:** [@anonymous\_user\_8e80bb8c](https://forums.unrealengine.com/u/anonymous_user_8e80bb8c)\ **Replies:** 1\ **Last updated:** [April 13, 2016, 5:14am UTC](https://forums.unrealengine.com/t/cant-compile-after-moving-from-4-10-to-4-11/353986 "2016-04-13T05:14:52Z")
I’ve been having an issue moving from 4.10 to 4.11 in my project. Whenever I make a copy and convert that copy for 4.11, it fails compilation, giving me the error “Implicit instantiation of undefined template ‘TMap\< FNam… --- ## [Running UE4Editor after compilation,Error Running UE4Editor after compilation](https://forums.unrealengine.com/t/running-ue4editor-after-compilation-error-running-ue4editor-after-compilation/345136)
**Author:** [@tfeserver](https://forums.unrealengine.com/u/tfeserver)\ **Replies:** 3\ **Last updated:** [January 25, 2016, 5:03pm UTC](https://forums.unrealengine.com/t/running-ue4editor-after-compilation-error-running-ue4editor-after-compilation/345136 "2016-01-25T17:03:22Z")
On linux, i just followed the instructions given here: A new, community-hosted Unreal Engine Wiki - Announcements - Unreal Engine Forums All went ok, with a SUCCESS at the end of the compilation, but when running : $ c… --- ## [Why are EvaluateAnimation and PostAnimEvaluation in AnimInstance not virtual anymore?](https://forums.unrealengine.com/t/why-are-evaluateanimation-and-postanimevaluation-in-animinstance-not-virtual-anymore/336943)
**Author:** [@gabrielle](https://forums.unrealengine.com/u/gabrielle)\ **Replies:** 0\ **Last updated:** [October 30, 2015, 5:01am UTC](https://forums.unrealengine.com/t/why-are-evaluateanimation-and-postanimevaluation-in-animinstance-not-virtual-anymore/336943 "2015-10-30T05:01:17Z")
Hi everyone, I’m currently trying to migrate one of my projects to version 4.9 and I’m stuck with compiling the C++ source of my project: in this project, I have a class child of AnimInstance where I override EvaluateAn… --- ## [Compiling an actor blueprint crashes to desktop](https://forums.unrealengine.com/t/compiling-an-actor-blueprint-crashes-to-desktop/334126)
**Author:** [@GoodOldMalk](https://forums.unrealengine.com/u/GoodOldMalk)\ **Replies:** 7\ **Last updated:** [October 6, 2015, 5:40pm UTC](https://forums.unrealengine.com/t/compiling-an-actor-blueprint-crashes-to-desktop/334126 "2015-10-06T17:40:57Z")
Hello! I’ve been doing some work using modular components on actors and have found that under very specific circumstances compilation can trigger a crash to desktop. consistent steps to reproduce crash are: Attempt t… --- ## [\[Bug Report\] Clang 3.5 compilation error with -Werror and -Wshado](https://forums.unrealengine.com/t/bug-report-clang-3-5-compilation-error-with-werror-and-wshado/329841)
**Author:** [@anonymous\_user\_e955dac61](https://forums.unrealengine.com/u/anonymous_user_e955dac61)\ **Replies:** 1\ **Last updated:** [August 26, 2015, 6:34pm UTC](https://forums.unrealengine.com/t/bug-report-clang-3-5-compilation-error-with-werror-and-wshado/329841 "2015-08-26T18:34:51Z")
It seems Clang is a little rabid in terms of variable naming - because “-Wshadow” is set, attempting to compile a C++ class on Linux using Clang 3.5 results in a warning when a function parameter has the same name as dat… --- ## [\[Feature Request\] On/Off button for material compilation](https://forums.unrealengine.com/t/feature-request-on-off-button-for-material-compilation/325800)
**Author:** [@anonymous\_user\_3149ac211](https://forums.unrealengine.com/u/anonymous_user_3149ac211)\ **Replies:** 1\ **Last updated:** [July 19, 2015, 8:19pm UTC](https://forums.unrealengine.com/t/feature-request-on-off-button-for-material-compilation/325800 "2015-07-19T20:19:41Z")
At present the compilation of the material in material editor rise on each modification of this material. if I make 50 edits before to achieve my goal, the 49 unnecessary compilation will be started. --- ## [Trouble using windows includes with DWORD, INT](https://forums.unrealengine.com/t/trouble-using-windows-includes-with-dword-int/280190)
**Author:** [@Nadege\_1](https://forums.unrealengine.com/u/Nadege_1)\ **Replies:** 6\ **Last updated:** [July 7, 2015, 8:28pm UTC](https://forums.unrealengine.com/t/trouble-using-windows-includes-with-dword-int/280190 "2015-07-07T20:28:42Z")
Hello, I’m trying to use a static library that use some includes files of windows sdk (winsock2.h) but I get compilation errors about ambiguous symbols: DWORD and INT. I searched in the documentation and those symbols … --- ## [4.6 - GitSetup do not download all dependencies](https://forums.unrealengine.com/t/4-6-gitsetup-do-not-download-all-dependencies/298277)
**Author:** [@iniside](https://forums.unrealengine.com/u/iniside)\ **Replies:** 2\ **Last updated:** [November 10, 2014, 9:13pm UTC](https://forums.unrealengine.com/t/4-6-gitsetup-do-not-download-all-dependencies/298277 "2014-11-10T21:13:23Z")
I tried to download 4.5 fro, github into fresh directory and use GitSetup. I can’t generate visual studio project because of missing dependencies. Regardless I tried to build engine and: 1\>------ Build started: Projec… --- ## [How can I fix VS's error detection?](https://forums.unrealengine.com/t/how-can-i-fix-vss-error-detection/296569)
**Author:** [@mystery\_1](https://forums.unrealengine.com/u/mystery_1)\ **Replies:** 0\ **Last updated:** [October 18, 2014, 8:42pm UTC](https://forums.unrealengine.com/t/how-can-i-fix-vss-error-detection/296569 "2014-10-18T20:42:49Z")
Hello, When I add stuff to the Include part of my Build.cs files, VS completely ignores it ; when I use an include to a file which is linked through the Build.cs file, VS tells me that the file cannot be found and under… --- ## [\[4.5\] compilation from within editor causes crash](https://forums.unrealengine.com/t/4-5-compilation-from-within-editor-causes-crash/296220)
**Author:** [@uced](https://forums.unrealengine.com/u/uced)\ **Replies:** 7\ **Last updated:** [October 18, 2014, 2:27pm UTC](https://forums.unrealengine.com/t/4-5-compilation-from-within-editor-causes-crash/296220 "2014-10-18T14:27:29Z")
Hello, I can’t recompile my project from within the editor. When i launch the editor, i can compile if no modification was done in the code. But if any (even very minor, and only cpp file of course) modification is do… [Next page](https://forums.unrealengine.com/tag/compilation/712.md?match_all_tags=true&page=1&tags%5B%5D=compilation)