> On Dec 18, 2018, at 1:08 PM, James Feist <james.fe...@linux.intel.com> wrote: > > If you aren't planning on enabling flto in a repo you can ignore this email. > > > I've created a new class flto-automake > https://github.com/openbmc/meta-phosphor/blob/master/classes/flto-automake.bbclass > if you are enabling -flto in an autotools project you might be interested > in. When using static libraries you may run into undefined references when > building with Yocto. Yocto by default uses: > > export AR = "${HOST_PREFIX}ar" > export RANLIB = "${HOST_PREFIX}ranlib" > > for AR and RANLIB. This new class replaces these with the gcc equivalent > wrappers that can work with the flto object files. This doesn't seem to be an > issue for the CI build, it only shows up for Yocto builds. Reference: > http://stackoverflow.com/questions/25878407/how-can-i-use-lto-with-static-libraries#comment67660913_25878408 > > For Cmake I suggest looking at the way bmcweb handles it in CMakesLists: > https://github.com/openbmc/bmcweb/blob/master/CMakeLists.txt#L92 > > Thanks, > > James
Thanks James I wonder if this is something they would be interested in upstream. I’ve copied the oe-core mailing list for possible comment. -brad -- _______________________________________________ Openembedded-core mailing list Openembedded-core@lists.openembedded.org http://lists.openembedded.org/mailman/listinfo/openembedded-core