Thanks, now I see that. But a question. Why these patches can’t be used for regular use even without lto? A key -flto can be added into individual INF file. Other files will be compiled as before.
On 07 нояб. 2014 г., at 18:33, Scott Duplichan <sc...@notabs.org> wrote: > Hello Sergey, > > The summary of the 4 changes needed is not detailed enough for easy > application. Instead, apply this patch: > http://sourceforge.net/projects/edk2developertoolsforwindows/files/Patches/Link%20Time%20Optimization/ > > Thanks, > Scott > > From: Sergey Isakov [mailto:isakov...@bk.ru] > Sent: Friday, November 07, 2014 07:06 AM > To: edk2-devel@lists.sourceforge.net > Subject: Re: [edk2] Status of gcc link time optimization for EDK2 use > > It is very interesting and I hope someone can apply this to EDK2. I failed. > I created gcc-4.9.2 for linux-gnu target with --enable-plugin. And binutils > with --enable-plugins. Success. > But option -flto brakes building. > This advice > --------- > 2) Use gcc to launch the ld instead of invoking ld directly > ----------- > failed because of build options for ld > ----- > x86_64-linux-gnu-gcc: error: unrecognized command line option '-Map' > x86_64-linux-gnu-gcc: error: unrecognized command line option '-melf_x86_64' > x86_64-linux-gnu-gcc: error: unrecognized command line option > '--oformat=elf64-x86-64' > x86_64-linux-gnu-gcc: error: unrecognized command line option '-(' > ----- > and so on. > Using ld I got another problems like error adding symbols: Bad value > As well as losing _ModuleEntryPoint or .text section at all. > > I pass waiting for a good news. > > > > On 07.11.2014, at 9:05, Scott Duplichan wrote: > > > http://notabs.org/uefi/gcc-lto.htm > > Thanks, > Scott > > > ------------------------------------------------------------------------------ > _______________________________________________ > edk2-devel mailing list > edk2-devel@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/edk2-devel > > ------------------------------------------------------------------------------ > _______________________________________________ > edk2-devel mailing list > edk2-devel@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/edk2-devel
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