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os-win32: drop ffs(3) prototype 

The lack of ffs(3) in the MinGW headers is a hint that we shouldn't rely
on it.  MinGW 4.9.2 does not make it available for linking when QEMU's
./configure --enable-debug is used (release builds are fine though).

Now that all QEMU code has been switched to ctz32() there is no need for
ffs(3).

Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Message-id: 1427124571-28598-9-git-send-email-stefanha@redhat.com
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
This commit is contained in:
Stefan Hajnoczi 2015-03-23 15:29:30 +00:00 committed by Kevin Wolf
parent 41074f3d3f
commit f450a85899
1 changed files with 0 additions and 3 deletions
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3
include/sysemu/os-win32.h
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@ -72,9 +72,6 @@
#define sigsetjmp(env, savemask) setjmp(env)
#define siglongjmp(env, val) longjmp(env, val)
/* Declaration of ffs() is missing in MinGW's strings.h. */
int ffs(int i);
/* Missing POSIX functions. Don't use MinGW-w64 macros. */
#undef gmtime_r
struct tm *gmtime_r(const time_t *timep, struct tm *result);