On Wed, 2022-04-27 at 11:06 +0200, Jacob Kroon wrote: > Hi Richard and Joshua, > > When using hash equivalency, since commits > > https://git.openembedded.org/openembedded-core/commit/?id=d6c7b9f4f0e > https://git.openembedded.org/openembedded-core/commit/?id=1cf62882bba > > scrambling a header in one of the gcc patches causes all target packages > to rebuild.
That is probably unfortunately inevitable. If the output has changed (i.e. the headers are different), it shouldn't be matching a previous build as we can't know what has changed. > This is because the depsig.do_populate_sysroot in "libgcc" > changes: > > > [jkroon@fedora work]$ diff -u > > i686-oe-linux/libgcc/11.3.0-r0/temp/depsig.do_populate_sysroot.1* > > > > > > > > --- i686-oe-linux/libgcc/11.3.0-r0/temp/depsig.do_populate_sysroot.1589812 > > 2022-04-27 10:14:22.403251775 +0200 > > > > > > > > +++ i686-oe-linux/libgcc/11.3.0-r0/temp/depsig.do_populate_sysroot.1674014 > > 2022-04-27 10:26:45.329365448 +0200 > > > > > > > > @@ -1,7 +1,7 @@ > > > > > > > > > > OEOuthashBasic > > > > > > > > > > 12 > > > > > > > > > > glibc: 8feab297dd38b103daa4f26eeabb5690a74b8b5700d16e4eca7b56e6fd667a5e > > > > > > > > > > -libgcc: dfd38409a4cc5320b781edc14de2af8321180c3f194a58b798870ad7ff6a9226 > > > > > > > > > > +libgcc: 195f6a155dac8e450e72a7432ab91959a8e095e057d5b79e3adba41721dc7ea5 > > > > > > > > > > linux-libc-headers: > > 12a5aaf8aec9554ac3c778cdc6c65df4db52fc573e84b7110572d459a15c9d6a > > > > > > > > SSTATE_PKGSPEC=sstate:libgcc:i686-oe-linux:11.3.0:r0:i686:8: > > > > > > > > > > task=populate_sysroot > > Is it the case that it is the dependent task hashes that are added > above, and that the checksum of patches are included in the those task > hashes ? The dependent resolved hashes are used, as resolved by hashequiv which is a key difference. > In order to solve the original problem that those patches were fixing, > would it not be possible to instead include the *outhashes* of the > dependent recipes ? Since the resolved hashes should map to a single outhash, I don't think it would change anything? Cheers, Richard
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