Re: using cc-option in arch/ppc64/boot/Makefile

[Hollis Blanchard <hollisb@us.ibm.com>]

On Sunday 17 October 2004 09:57, Sam Ravnborg wrote:
> Something like this should do the trick?
> You could also include everything in your Makefile but I prefer
> Makefile.lib to make it a bit more general.

That's what I had tried. I'm having strange problems though. This patch:

--- 1.25/arch/ppc64/boot/Makefile       Sun Oct  3 12:23:50 2004
+++ edited/arch/ppc64/boot/Makefile     Mon Oct 18 14:03:40 2004
@@ -20,6 +20,8 @@
 #      CROSS32_COMPILE is setup as a prefix just like CROSS_COMPILE
 #      in the toplevel makefile.

+include scripts/Makefile.lib
+
 CROSS32_COMPILE ?=
 #CROSS32_COMPILE = /usr/local/ppc/bin/powerpc-linux-

@@ -72,7 +74,12 @@
 quiet_cmd_stripvm = STRIP $@
       cmd_stripvm = $(STRIP) -s $< -o $@

+HAS_BIARCH      := $(call cc-option-yn, -lalala)
+
 vmlinux.strip: vmlinux FORCE
+       echo $(cc-option-yn)
+       echo $(HAS_BIARCH)
+       $(call cc-option-yn, -m64)
        $(call if_changed,stripvm)
 $(obj)/vmlinux.initrd: vmlinux.strip $(obj)/addRamDisk 
$(obj)/ramdisk.image.gz FORCE
        $(call if_changed,ramdisk)

... yields the following output:

make -f scripts/Makefile.build obj=arch/ppc64/boot arch/ppc64/boot/zImage
echo y
y
echo y
y
y
make[1]: y: Command not found

Also confusing: the gcc switch "-lalala" is invalid, so I don't know where 
*any* y's came from. User error?

-- 
Hollis Blanchard
IBM Linux Technology Center