On Sat, Aug 12, 2017 at 12:15:11PM +0900, Masahiro Yamada wrote: > Hi. > > 2017-08-11 3:28 GMT+09:00 Randy Dunlap <rdunlap@xxxxxxxxxxxxx>: > > >> 2.) compile modpost with debug symbols, -g > >> how do I compile the modpost helper program with debug symbols? In what > >> makefile, kbuild file do I need to add the compiler flag? > >> Any help would be appreciated! > > > If you want to pass extra options to the build command of host-programs, > HOST_EXTRACFLAGS is supported. > > For example, HOST_EXTRACFLAGS=-g Yes, after reading Documentation/kbuild/makefiles.txt and studying the top level Makefile I was able to figure it out by myself. But many thanks for the hint! Now I just need to find out why an UML kernel with CONFIG_GCOV fails to build all modules. modpost abends with missing symbols __gcov_init, etc. with kind regards thomas > > > > > > -- > Best Regards > Masahiro Yamada -- To unsubscribe from this list: send the line "unsubscribe linux-kbuild" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
