1 files changed, 1 insertions, 0 deletions

diff --git a/m4/check-libc.m4 b/m4/check-libc.m4
index 54efc37..3c0ed31 100644
--- a/m4/check-libc.m4
+++ b/m4/check-libc.m4
@@ -201,6 +201,7 @@ if test "x$HOST_OS" = "xwin" ; then
         echo posix_perror >> $crypto_p_sym
         echo posix_fopen >> $crypto_p_sym
         echo posix_fgets >> $crypto_p_sym
+        echo posix_open >> $crypto_p_sym
         echo posix_rename >> $crypto_p_sym
         echo posix_connect >> $crypto_p_sym
         echo posix_close >> $crypto_p_sym