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 <stefa...@redhat.com> --- include/sysemu/os-win32.h | 3 --- 1 file changed, 3 deletions(-) diff --git a/include/sysemu/os-win32.h b/include/sysemu/os-win32.h index 9cc9e08..4035c4f 100644 --- a/include/sysemu/os-win32.h +++ b/include/sysemu/os-win32.h @@ -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); -- 2.1.0
