On Tue, 11 Feb 2020, Richard Purdie wrote: > On Tue, 2020-02-11 at 05:32 -0500, rpj...@crashcourse.ca wrote: > > second, i think we all agree that it is rarely necessary to use > > "PROVIDES +=", although i did run across one case in > > recipes-core/glibc/glibc.inc: > > > > PROVIDES = "virtual/libc" > > PROVIDES += "virtual/libintl virtual/libiconv" > > > > where, sure, if you break it over more than one line, yes, then you > > need it. > > I think the original intent was that bitbake.conf defines the basic > PROVIDES/DEPENDS and then the recipes adjust as needed. > > As such, PROVIDES and DEPENDS would then always use +=. > > Unfortunately over the years this has gotten lost and bitbake.conf > and base.bbclass had to become more inventive about how they set the > defaults for the variables. > > As such, I think += actually makes sense but I realise that isn't > the way most recipes work now. We could try and fix that but it does > seem like a marginal gain when there are bigger issues.
oh, i wasn't suggesting any sort of massive cleanup; i just wanted to make sure i was explaining it properly to any potential students to make sure they appreciated corner cases like this. rday
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