linux-kernel - crossbuild fails in modpost

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Message-ID: <482C3E3E.9090204@gmail.com>
Date:	Thu, 15 May 2008 15:44:30 +0200
From:	Jiri Slaby <jirislaby@...il.com>
To:	Sam Ravnborg <sam@...nus.ravnborg.org>
CC:	Linux kernel mailing list <linux-kernel@...r.kernel.org>,
	Michael Buesch <mb@...sch.de>,
	Gordon Farquharson <gordonfarquharson@...il.com>
Subject: crossbuild fails in modpost

Hi,

probably
4ce6efed48d736e3384c39ff87bda723e1f8e041
kbuild: soften modpost checks when doing cross builds

causes build failures on x86_64 kernel build on 32 bit machine:

make -f /local/xslaby/hid/scripts/Makefile.modpost
YYYYYYYYYYYYYY x86_64 x86_64
   scripts/mod/modpost -m -a -o /local/xslaby/buhid/Module.symvers    -S -K 
/local/xslaby/buhid/Module.markers -M /local/xslaby/buhid/Module.markers   -s
XXXXXXXXXXXXXXXXXX 20: 0 (2), 4 (4), 8 (4), 12 (8)
FATAL: drivers/hid/hid-apple: sizeof(struct hid_device_id)=20 is not a 
modulo of the size of section __mod_hid_device_table=648.
Fix definition of struct hid_device_id in mod_devicetable.h
make[2]: *** [__modpost] Error 1
make[1]: *** [modules] Error 2
make: *** [sub-make] Error 2

after sticking echo into:
  __modpost: $(modules:.ko=.o) FORCE
+       @echo YYYYYYYYYYYYYY $(KBUILD_BUILDHOST) $(ARCH)
         $(call cmd,modpost) $(wildcard vmlinux) $(filter-out FORCE,$^)

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