On 2014-07-09 08:27, Masahiro Yamada wrote: > Since commit 9da0763bd, the variable 'srctree' is set as follows: > > [1] Building in the source tree > => srctree is set to '.' > [2] Building in a subdir right under the source tree > => srctree is set to '..' > [3] Other cases > => srctree is set to the absolute path to the source tree > > Pros are more readable compiler messages, WARN_ON() etc. > for case [1] and [2]. (but not [3]) > > Cons are we have to do build-test for 3 cases when adding > some changes to the build infrastructure. > > We want to treat case [2] and [3] in the same way like prior to > commit 9da0763bd, keeping the compact log messages. > > The idea here is to create a symbolic link 'srctree' pointing > to $(KBUILD_SRC) at the very early stage of the build process. If the symlink points to an absolute path, then you can't move the source and build tree around anymore. Michal -- 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
