[yocto] externalsrc: enable sstate for git srctrees based on makefile
Rajendran, Vignesh (RBEI/ECF3; ADITG/SW2)
external.vrajendran at de.adit-jv.com
Fri Sep 15 07:57:44 PDT 2017
Hi Yocto,
I am already aware of sstate never works for externalsrc recipes.
My environment is using externalsrc in recipes for makefile based sources in git.
I am aware that the source is not going to change and only builds one time in my production build.
I want to use sstate if nothing has changed in my next build/bitbake.
Is it possible to enable setscene tasks if the source is in git and srctree_hash_files reports nothing has been changed in git srctree?
https://git.yoctoproject.org/cgit/cgit.cgi/poky/tree/meta/classes/externalsrc.bbclass#n181
Do I have to consider some other constraints as well?
Thanks in Advance.
Best regards
Vignesh Rajendran
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