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SubjectRe: make 3.82 fails on powerpc defconfig update [was: Linux 2.6.35]
On Mon, Aug 02, 2010 at 11:51:11AM +0300, Thomas Backlund wrote:
> Hi,
> (please cc me as I'm not subscribed)
>
> updating from make 3.81 to 3.82 gets me this:
>
> [thomas@tmb linux-2.6.35]$ cp arch/powerpc/configs/ppc64_defconfig .config
> [thomas@tmb linux-2.6.35]$ LC_ALL=C make oldconfig ARCH=powerpc
> /mnt/work/2.6.35/linux-2.6.35/arch/powerpc/Makefile:183: *** mixed
> implicit and normal rules. Stop.
>
> The lines are:
>
> 182:
> 183: $(BOOT_TARGETS): vmlinux
> 184: $(Q)$(MAKE) ARCH=ppc64 $(build)=$(boot) $(patsubst
> %,$(boot)/%,$@)
> 185:
>
> BOOT_TARGETS are defined on line 166 as:
> BOOT_TARGETS = zImage zImage.initrd uImage zImage% dtbImage% treeImage.%
> cuImage.% simpleImage.%
>
>
> Now it's not a regression in the kernel as the same happends with the
> 2.6.34 tree too.
>
> (btw, the host I'm syncing the defconfig with is a x86_64 machine)
>
>
> Now, I dont know if this is "intended breakage" by the make update, or
> if the Makefile needs to be updated....
>
> Any ideas how to fix ?

This is in the category "intended breakage".
We had a similar issue in the top-level Makefile which Paul (IIRC)
helped me to fix long time ago.

To fix popwerpc I suggest something along these lines.
[Note: I did not test it - please do so.

Sam

[PATCH] powerpc: fix build with make 3.82

Thomas Backlund reported that the powerpc build broke with make 3.82.
It failed with the following message:

arch/powerpc/Makefile:183: *** mixed implicit and normal rules. Stop.

The fix is to avoid mixing non-wildcard and wildcard targets.

Reported-by: Thomas Backlund <tmb@mandriva.org>
Cc: Michal Marek <mmarek@suse.cz>
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
---
diff --git a/arch/powerpc/Makefile b/arch/powerpc/Makefile
index 77cfe7a..ad88b21 100644
--- a/arch/powerpc/Makefile
+++ b/arch/powerpc/Makefile
@@ -163,9 +163,11 @@ drivers-$(CONFIG_OPROFILE) += arch/powerpc/oprofile/
# Default to zImage, override when needed
all: zImage

-BOOT_TARGETS = zImage zImage.initrd uImage zImage% dtbImage% treeImage.% cuImage.% simpleImage.%
+# With make 3.82 we cannot mix normal and wildcard targets
+BOOT_TARGETS1 := zImage zImage.initrd uImaged
+BOOT_TARGETS2 := zImage% dtbImage% treeImage.% cuImage.% simpleImage.%

-PHONY += $(BOOT_TARGETS)
+PHONY += $(BOOT_TARGETS1) $(BOOT_TARGETS2)

boot := arch/$(ARCH)/boot

@@ -180,7 +182,9 @@ relocs_check: arch/powerpc/relocs_check.pl vmlinux
zImage: relocs_check
endif

-$(BOOT_TARGETS): vmlinux
+$(BOOT_TARGETS1): vmlinux
+ $(Q)$(MAKE) ARCH=ppc64 $(build)=$(boot) $(patsubst %,$(boot)/%,$@)
+$(BOOT_TARGETS2): vmlinux
$(Q)$(MAKE) ARCH=ppc64 $(build)=$(boot) $(patsubst %,$(boot)/%,$@)

bootwrapper_install %.dtb:

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