From mboxrd@z Thu Jan  1 00:00:00 1970
From: Bjorn Helgaas <bjorn_helgaas@hp.com>
Date: Tue, 17 Sep 2002 23:09:55 +0000
Subject: [Linux-ia64] Re: 2.4.19 ACPI build errors
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To: linux-ia64@vger.kernel.org

> iosapic.c:529: `ACPI_INTERRUPT_PMI' undeclared (first use in this function)
...
> The config looks like:
> CONFIG_ACPI20=y
> CONFIG_ACPI_KERNEL_CONFIG=y
> CONFIG_ACPI=y
> CONFIG_ACPI_INTERPRETER=y

You need CONFIG_ACPI_BOOT as well.  CONFIG_ACPI20 is mentioned
in Documentation/Configure.help but nowhere else, so you don't need
that.  arch/ia64/defconfig contains several other ACPI options; I don't
know whether you can build a working ia64 kernel with them turned
off.

Bjorn