2 files changed, 3 insertions, 2 deletions

diff --git a/m4/check-libc.m4 b/m4/check-libc.m4
index 2bbfb81..f1ba611 100644
--- a/m4/check-libc.m4
+++ b/m4/check-libc.m4
@@ -1,8 +1,9 @@
 AC_DEFUN([CHECK_LIBC_COMPAT], [
 # Check for general libc functions
-AC_CHECK_FUNCS([asprintf memmem poll reallocarray])
+AC_CHECK_FUNCS([asprintf inet_pton memmem poll reallocarray])
 AC_CHECK_FUNCS([strlcat strlcpy strndup strnlen strsep strtonum])
 AM_CONDITIONAL([HAVE_ASPRINTF], [test "x$ac_cv_func_asprintf" = xyes])
+AM_CONDITIONAL([HAVE_INET_PTON], [test "x$ac_cv_func_inet_pton" = xyes])
 AM_CONDITIONAL([HAVE_MEMMEM], [test "x$ac_cv_func_memmem" = xyes])
 AM_CONDITIONAL([HAVE_POLL], [test "x$ac_cv_func_poll" = xyes])
 AM_CONDITIONAL([HAVE_REALLOCARRAY], [test "x$ac_cv_func_reallocarray" = xyes])
diff --git a/m4/check-os-options.m4 b/m4/check-os-options.m4
index e4e5364..371ffb3 100644
--- a/m4/check-os-options.m4
+++ b/m4/check-os-options.m4
@@ -50,7 +50,7 @@ case $host_os in
                 HOST_OS=win
                 CPPFLAGS="$CPPFLAGS -D_GNU_SOURCE -D_POSIX -D_POSIX_SOURCE -D__USE_MINGW_ANSI_STDIO"
                 CPPFLAGS="$CPPFLAGS -D_REENTRANT -D_POSIX_THREAD_SAFE_FUNCTIONS"
-                CPPFLAGS="$CPPFLAGS -DWIN32_LEAN_AND_MEAN -D_WIN32_WINNT=0x0600"
+                CPPFLAGS="$CPPFLAGS -DWIN32_LEAN_AND_MEAN -D_WIN32_WINNT=0x0501"
                 CPPFLAGS="$CPPFLAGS -DOPENSSL_NO_SPEED -DNO_SYSLOG"
                 CFLAGS="$CFLAGS -static-libgcc"
                 LDFLAGS="$LDFLAGS -static-libgcc"