From: "Daniel P. Berrange" <berrange(a)redhat.com&gt; The virfile.c file uses c_isalpha on Win32 platforms, so must include c-ctype.h Signed-off-by: Daniel P. Berrange <berrange(a)redhat.com&gt; --- src/util/virfile.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/src/util/virfile.c b/src/util/virfile.c index eb88c83..4637919 100644 --- a/src/util/virfile.c +++ b/src/util/virfile.c @@ -59,6 +59,8 @@ #include "virstoragefile.h" #include "virutil.h" +#include "c-ctype.h" + #define VIR_FROM_THIS VIR_FROM_NONE int virFileClose(int *fdptr, virFileCloseFlags flags) -- 1.8.1.4