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w32: Fix configure test for -march=i486

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The latest version of MinGW needs a test for __sync_val_compare_and_swap
to fix a missing symbol linker error.

Reported-by: Igor Mitsyanko <i.mitsyanko@gmail.com>
Signed-off-by: Stefan Weil <sw@weilnetz.de>
Message-id: 1368301619-32097-2-git-send-email-sw@weilnetz.de
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
This commit is contained in:
Stefan Weil 2013-05-11 21:46:58 +02:00 • committed by Anthony Liguori
parent 2d16c8e988
commit 1405b6290f
1 changed files with 1 additions and 0 deletions
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configure vendored
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@ -1346,6 +1346,7 @@ static int sfaa(int *ptr)
int main(void) int main(void)
{ {
int val = 42; int val = 42;
val = __sync_val_compare_and_swap(&val, 0, 1);
sfaa(&val); sfaa(&val);
return val; return val;
} }