Eclipse Auto Save before build?

Question

Coming from a Visual Studio background...

How do I tell Eclipse that it should auto save when ever I build rather than ask each time.

VS.NET has it under "Options", but I can't find it in Eclipse.

I use a Mac.

None of the answers seem to work anymore (Eclipse 2019-09). Note that "save before launching" is not the same as "save before build" — Maple, Mar 19 '20 at 20:29

UmAnusorn · Answer 1 · 2016-11-04T11:27:57.640

82

First, try

Window -> Preferences -> General -> Workspace. There you can check "Save automatically before build" and "Build automatically."

If that does not work,

PLEASE TRY

Preferences -> Run/Debug -> Launching -> "Save dirty editors before launching"

edited Nov 04 '16 at 11:27

answered Jan 15 '12 at 08:30

UmAnusorn

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sad but true - both these need to be checked before eclipse juno will save dirty edits prior to either build or build/run – Scott Stensland Nov 08 '13 at 18:15
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This answer solved the problem for me in Kepler, since the Workspace config didn't have any effect.. Thank you. – starmandeluxe Nov 10 '13 at 06:35

score 65 · Accepted Answer · edited Mar 26 '15 at 12:41

65

Go to

Window -> Preferences -> General -> Workspace

and there you can check:

Save automatically before build + Build automatically

edited Mar 26 '15 at 12:41

catch23

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answered May 31 '10 at 11:16

Matschie

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ur answer saved me downloading some plugin – Tarun Jun 17 '11 at 07:02
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this is not what OP is asking for, see answer below @um.anusorn – Scott Stensland May 31 '13 at 12:29
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@Scott Stensland These answers are now the same for "build". "Prompt" is now the installed default under run/debug->launch. Cross developers would never think to look there as they may not ever run/debug. – mckenzm Jul 20 '19 at 14:23

score 18 · Answer 3 · edited Jun 20 '20 at 09:12

Save automatically before build

Window > Preferences > General > Workspace > check "Save automatically before build" > OK

Window Preferences General Workspace

Save dirty editors before launching

Window > Preferences > Run/Debug > Launching > check "Always" for "Save required dirty editors before launching"

Launching

Save resources before launching

This is actually an alternative to "Save required dirty editors before launching"

Change something in the current file > Run > check "Always save resources before launching" > OK

enter image description here

Details:

IDE: Eclipse Kepler
O.S.: Windows

score 4 · Answer 4 · answered Jul 10 '12 at 19:30

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Preferences -> run/debug ->launching -> Save required dirty editors before launching.

answered Jul 10 '12 at 19:30

Yury

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score 1 · Answer 5 · answered Dec 31 '14 at 02:09

This has changed in Eclipse Luna (or maybe it's just because I'm on a mac and the answerers are on a PC).

You find it under this menu:

Eclipse -> Preferences -> General -> Workspace

From there, you check "Save automatically before build" + "Build automatically". On a Mac, Preferences isn't under the Window menu, so that confused me for a bit.

score 0 · Answer 6 · answered May 10 '15 at 12:50

(Just for completeness)

After Window -> Preferences -> General -> Workspace

(x) Save automatically before build + Build automatically

You must go to:

Windows -> Save Perspective As...

And select a name according to the perspective you are using. You can overwrite the old ones...

Eclipse Auto Save before build?

6 Answers6

Save automatically before build

Save dirty editors before launching

Save resources before launching

Linked