08 Dec, 2007

1 commit


16 Oct, 2007

1 commit

  • The variable CPPFLAGS is a wellknown variable and the usage by
    kbuild may result in unexpected behaviour.

    This patch replace use of CPPFLAGS with KBUILD_CPPFLAGS all over the
    tree and enabling one to use:
    make CPPFLAGS=...
    to specify additional CPP commandline options.

    Patch was tested on following architectures:
    alpha, arm, i386, x86_64, mips, sparc, sparc64, ia64, m68k, s390

    Signed-off-by: Sam Ravnborg

    Sam Ravnborg
     

15 Oct, 2007

1 commit

  • The variable CFLAGS is a wellknown variable and the usage by
    kbuild may result in unexpected behaviour.
    On top of that several people over time has asked for a way to
    pass in additional flags to gcc.

    This patch replace use of CFLAGS with KBUILD_CFLAGS all over the
    tree and enabling one to use:
    make CFLAGS=...
    to specify additional gcc commandline options.

    One usecase is when trying to find gcc bugs but other
    use cases has been requested too.

    Patch was tested on following architectures:
    alpha, arm, i386, x86_64, mips, sparc, sparc64, ia64, m68k

    Test was simple to do a defconfig build, apply the patch and check
    that nothing got rebuild.

    Signed-off-by: Sam Ravnborg

    Sam Ravnborg
     

22 Jun, 2006

1 commit


06 Mar, 2006

1 commit

  • The kbuild system takes advantage of an incorrect behavior in GNU make.
    Once this behavior is fixed, all files in the kernel rebuild every time,
    even if nothing has changed. This patch ensures kbuild works with both
    the incorrect and correct behaviors of GNU make.

    For more details on the incorrect behavior, see:

    http://lists.gnu.org/archive/html/bug-make/2006-03/msg00003.html

    Changes in this patch:
    - Keep all targets that are to be marked .PHONY in a variable, PHONY.
    - Add .PHONY: $(PHONY) to mark them properly.
    - Remove any $(PHONY) files from the $? list when determining whether
    targets are up-to-date or not.

    Signed-off-by: Paul Smith
    Signed-off-by: Sam Ravnborg

    Paul Smith
     

09 Jan, 2006

1 commit

  • This was causing some ordering problems. Remove the up-front evaluation
    and just revaluate the compiler version each time we need it.

    (The up-front evaluation was problematic because some architectures modify
    the value of $(CC)).

    Signed-off-by: Andrew Morton
    Signed-off-by: Sam Ravnborg

    Sam Ravnborg
     

13 Sep, 2005

1 commit


12 Sep, 2005

1 commit

  • When introducing the generic asm-offsets.h support the dependency
    chain for the prepare targets was changed. All build scripts expecting
    include/asm/asm-offsets.h to be made when using the prepare target would broke.
    With the limited number of prepare targets left in arch Makefiles
    the trivial solution was to introduce a new arch specific target: archprepare

    The dependency chain looks like this now:

    prepare
    |
    +--> prepare0
    |
    +--> archprepare
    |
    +--> scripts_basic
    +--> prepare1
    |
    +---> prepare2
    |
    +--> prepare3

    So prepare 3 is processed before prepare2 etc.
    This guaantees that the asm symlink, version.h, scripts_basic
    are all updated before archprepare is processed.

    prepare0 which build the asm-offsets.h file will need the
    actions performed by archprepare.

    The head target is now named prepare, because users scripts will most
    likely use that target, but prepare-all has been kept for compatibility.
    Updated Documentation/kbuild/makefiles.txt.

    Signed-off-by: Sam Ravnborg

    Sam Ravnborg
     

10 Sep, 2005

1 commit


17 Apr, 2005

1 commit

  • Initial git repository build. I'm not bothering with the full history,
    even though we have it. We can create a separate "historical" git
    archive of that later if we want to, and in the meantime it's about
    3.2GB when imported into git - space that would just make the early
    git days unnecessarily complicated, when we don't have a lot of good
    infrastructure for it.

    Let it rip!

    Linus Torvalds