lkml.org 
[lkml]   [2011]   [Sep]   [9]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
    /
    Date
    From
    SubjectRe: [RFC] Kbuild: allow code re-use across different directories
    On 9.9.2011 03:22, Arnaud Lacombe wrote:
    > Hi,
    >
    > On Thu, Sep 8, 2011 at 4:33 PM, Nicolas Pitre <nico@fluxnic.net> wrote:
    >> On Thu, 8 Sep 2011, Arnaud Lacombe wrote:
    >>
    >>> you missed:
    >>>
    >>> # Make sure files are removed during clean
    >>> -extra-y += piggy.gzip piggy.lzo piggy.lzma lib1funcs.S
    >>> +extra-y += piggy.gzip piggy.lzo piggy.lzma
    >>>
    >>> This confused make.
    >>
    >> Well... that was suttle.
    >>
    > he, welcome to make(1) world :)
    >
    >> So yes, your patch may certainly be useful to a couple cases, and it
    >> works fine for this lib1func.S.
    >>
    >> It doesn't help me much in the following situation though. What I
    >> actually want to achieve is to compile arch/arm/boot/compressed/fdt_rw.o
    >> from scripts/dtc/libfdt/fdt_rw.c, however I want it to include my local
    >> version of libfdt_env.h rather than scripts/dtc/libfdt/libfdt_env.h. I
    >> still haven't found a way to convince gcc to do that.
    >>
    > The only choice you have in gcc, is to use -I-, to construct:
    >
    > $(CROSS_COMPILE)gcc -I$(srctree)/arch/arm/boot/compressed -I- [...]
    >
    > however, it's been marked as deprecated, but still usable as of today
    > snapshot of 4.7.0. Its replacement, -iquote, do not provide this
    > functionnality, that is to override the source file origin directory
    > as search directory for #include "...".

    Or you modify libfdt to support -DLIBFDT_ENV=libfdt_arm.h or similar.

    Michal


    \
     
     \ /
      Last update: 2011-09-09 14:35    [W:4.092 / U:0.012 seconds]
    ©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site