On 13:28 Fri 24 Sep , matt mooney wrote: > On 13:02 Fri 24 Sep , Matthew Dharm wrote: > > On Fri, Sep 24, 2010 at 12:17:33PM -0700, matt mooney wrote: > > > Replace EXTRA_CFLAGS with ccflags-y. > > > > > diff --git a/drivers/usb/storage/Makefile b/drivers/usb/storage/Makefile > > > index ef7e5a8..786f086 100644 > > > --- a/drivers/usb/storage/Makefile > > > > +++ b/drivers/usb/storage/Makefile > > > @@ -5,7 +5,7 @@ > > > # Rewritten to use lists instead of if-statements. > > > # > > > > > > -EXTRA_CFLAGS := -Idrivers/scsi > > > +ccflags-y := -Idrivers/scsi > > > > > > obj-$(CONFIG_USB_STORAGE) += usb-storage.o > > > > I don't really know anything about the new 'ccflags' stuff.. but my > > instincts tell me that perhaps that should be > > 'ccflags-$(CONFIG_USB_STORAGE)' rather than 'ccflags-y'? > > The flag has the same effect as EXTRA_CFLAGS in that it will be used to build > all sources at the same hierarchical level (i.e., per directory not including > subdirectories). I didn't want to change the semantics of the way the variable > was being used, but after looking at the Kconfig it seems that would be a > reasonable change. If only usb-storage needs the flag then it makes sense, > though it seems that everything else in the directory relies on usb-storage > anyway, but it gives it greater meaning knowing that only usb-storage relies on > the flag, IMHO. > > > > > Does it make a difference that usb-storage can be built-in or a loadable > > module? > > That would make a difference because ccflags-m is not used, so the change is not > possible. I failed to mention earlier that there is a per file flag. If you really only want usb-storage.o built with the flag, you can do: CFLAGS_usb-storage.o := -Idrivers/scsi -mfm -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
