On Sun, May 3, 2020 at 3:16 AM Marek Behun <marek.behun@xxxxxx> wrote: > > On Sun, 3 May 2020 02:56:42 +0900 > Masahiro Yamada <masahiroy@xxxxxxxxxx> wrote: > > > You missed to see the cost of parsing the Makefile. > > > > > > scripts/dtc/Makefile is parsed every time > > you run 'make'. > > > > Even if you have nothing to recompile, > > it builds the tiny program in background. > > > > This happens for 'make mrproper' too. > > I missed this point by a large margin indeed. > > > Maybe, file a bug report to your distribution > > if the pc file is strangely installed? > > > > ... > > Very well, thank you for elaborating on that. Sorry this took your time. No problem. > Now that I know this, wouldn't it make more sense to decide > whether to build yamltree.c or not in config stage, eg. in a Kconfig > file? Because now it seems that pkg-config is being run everytime we run > make. I understand that it is much cheaper than gcc, but either way... 'make dt_binding_check' does not even require the .config I do not like to run pkg-config while parsing Makefile. Another solution is to build two dtc variants, with/without yaml. > Marek -- Best Regards Masahiro Yamada
