Re: [Qemu-devel] [PATCH] Put dependency files in proper subdir

[Blue Swirl]

Thanks, applied.

On Sat, May 15, 2010 at 11:03 AM, Jan Kiszka <address@hidden> wrote:
> From: Jan Kiszka <address@hidden>
>
> This seems to resolve subtle breakages of our build system:
>
> Dependency files generated for targets like 'dir/foo.o' were saved as
> 'foo.d'. Now, if there was also a target 'foo.o', one of the dependency
> file was overwritten. Concrete example: libhw*/macio.o vs.
> libhw*/ide/macio.o. And this often left a segfaulting build result
> behind when changing the "wrong" data structures".
>
> Fix it by generating proper 'dir/foo.d'.
>
> Signed-off-by: Jan Kiszka <address@hidden>
> ---
>  rules.mak |    2 +-
>  1 files changed, 1 insertions(+), 1 deletions(-)
>
> diff --git a/rules.mak b/rules.mak
> index 7e10432..c843a13 100644
> --- a/rules.mak
> +++ b/rules.mak
> @@ -12,7 +12,7 @@ MAKEFLAGS += -rR
>  %.mak:
>
>  # Flags for dependency generation
> -QEMU_DGFLAGS += -MMD -MP -MT $@
> +QEMU_DGFLAGS += -MMD -MP -MT $@ -MF $(*D)/$(*F).d
>
>  %.o: %.c
>        $(call quiet-command,$(CC) $(QEMU_CFLAGS) $(QEMU_DGFLAGS) $(CFLAGS) -c
> -o $@ $<,"  CC    $(TARGET_DIR)$@")
> --
> 1.6.0.2
>
>