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From: Stefan Weil <stefan.weil@weilnetz.de>
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Date: Thu, 28 Apr 2016 22:33:43 +0200
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Subject: [Qemu-devel] [BUG 2.6] Broken CONFIG_TPM?
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To: QEMU Developer <qemu-devel@nongnu.org>
Cc: Peter Maydell <peter.maydell@linaro.org>

A compilation test with clang -Weverything reported this problem:

config-host.h:112:20: warning: '$' in identifier
[-Wdollar-in-identifier-extension]

The line of code looks like this:

#define CONFIG_TPM $(CONFIG_SOFTMMU)

This is fine for Makefile code, but won't work as expected in C code.