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Fix and clean code which tests the gcc version

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The code which tests whether gcc supports warn_unused_result was wrong.
Remove the wrong test from configure and replace it by code using
macro QEMU_GNUC_PREREQ in compiler.h.

Signed-off-by: Stefan Weil <weil@mail.berlios.de>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
This commit is contained in:
Stefan Weil 2011-09-16 22:03:08 +02:00 • committed by Anthony Liguori
parent f8b72754c2
commit 87751797c7
2 changed files with 1 additions and 21 deletions
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2
compiler.h
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@ -18,7 +18,7 @@
#define QEMU_NORETURN __attribute__ ((__noreturn__))
#ifdef CONFIG_GCC_ATTRIBUTE_WARN_UNUSED_RESULT
#if QEMU_GNUC_PREREQ(3, 4)
#define QEMU_WARN_UNUSED_RESULT __attribute__((warn_unused_result))
#else
#define QEMU_WARN_UNUSED_RESULT