On Tue, 26 Jan 2016 16:17:39 Paul Eggleton wrote: > Hi Khem, > > On Mon, 25 Jan 2016 22:14:09 Khem Raj wrote: > > > On Jan 25, 2016, at 9:53 PM, Paul Eggleton > > > <paul.eggle...@linux.intel.com> > > > wrote: > > > > > > When you need to set EXTRA_OECONF for a recipe, you need to know what > > > options the configure script actually supports; the configure script > > > however is only accessible from within a devshell and (at least in the > > > case of autotooled software fetched from an SCM repository) may not > > > actually exist until do_configure has run. Thus, provide a "devtool > > > configure-help" subcommand that runs the configure script for a recipe > > > with --help and shows you the output through a pager (e.g. less), > > > prefaced by a header describing the current options being specified. > > > > > > There is basic support for autotools, cmake and bare configure scripts. > > > The cmake support is a little hacky since cmake doesn't really have a > > > concise help option that lists user-defined knobs (without actually > > > running through the configure process), however that being a design > > > feature of cmake there's not much I can think of to do about that at > > > the moment. > > > > this option is autotools specific. We need to convey this precisely. may > > be > > involve autotools in the option name or something > > Whilst not all non-autoconf configure scripts provide a --help option, some > do. ffmpeg/libav is one example (and one where you really do need to see > the output since there are a lot of options...)
I meant to add, even if configure --help doesn't work (or there is no configure script at all) the header this subcommand prints will work with any recipe provided that do_configure is actually implemented and contains some actual commands as opposed to calls to some other function. Cheers, Paul -- Paul Eggleton Intel Open Source Technology Centre -- _______________________________________________ Openembedded-core mailing list Openembedded-core@lists.openembedded.org http://lists.openembedded.org/mailman/listinfo/openembedded-core
