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x86, boot: Explicitly include autoconf.h for hostprogs 

The hostprogs need access to the CONFIG_* symbols found in
include/generated/autoconf.h.  But commit abbf1590de ("UAPI: Partition
the header include path sets and add uapi/ header directories") replaced
$(LINUXINCLUDE) with $(USERINCLUDE) which doesn't contain the necessary
include paths.

This has the undesirable effect of breaking the EFI boot stub because
the #ifdef CONFIG_EFI_STUB code in arch/x86/boot/tools/build.c is
never compiled.

It should also be noted that because $(USERINCLUDE) isn't exported by
the top-level Makefile it's actually empty in arch/x86/boot/Makefile.

Cc: H. Peter Anvin <hpa@zytor.com>
Cc: Ingo Molnar <mingo@kernel.org>
Acked-by: David Howells <dhowells@redhat.com>
Signed-off-by: Matt Fleming <matt.fleming@intel.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Matt Fleming 2012-10-12 11:19:59 +01:00 committed by Linus Torvalds
parent 7d380c8f1e
commit b6eea87fc6
1 changed files with 2 additions and 1 deletions
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3
arch/x86/boot/Makefile
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@ -37,7 +37,8 @@ setup-y += video-bios.o
targets += $(setup-y)
hostprogs-y := mkcpustr tools/build
HOST_EXTRACFLAGS += -I$(srctree)/tools/include $(USERINCLUDE) \
HOST_EXTRACFLAGS += -I$(srctree)/tools/include \
-include include/generated/autoconf.h \
-D__EXPORTED_HEADERS__
$(obj)/cpu.o: $(obj)/cpustr.h