qsort_r is only available from Visual Studio 2005+
diff --git a/src/util.c b/src/util.c
index f9d37e4..5c30595 100644
--- a/src/util.c
+++ b/src/util.c
@@ -613,7 +613,8 @@ void git__qsort_r(
defined(__OpenBSD__) || defined(__NetBSD__) || \
defined(__gnu_hurd__) || defined(__ANDROID_API__) || \
defined(__sun) || defined(__CYGWIN__) || \
- (__GLIBC__ == 2 && __GLIBC_MINOR__ < 8)
+ (__GLIBC__ == 2 && __GLIBC_MINOR__ < 8) || \
+ (defined(_MSC_VER) && _MSC_VER < 1500)
git__insertsort_r(els, nel, elsize, NULL, cmp, payload);
#elif defined(GIT_WIN32)
git__qsort_r_glue glue = { cmp, payload };