CyaSSL >= 2.6.0 may have an options.h that was generated during
its build by configure.
dnl cyassl/ctaocrypt/types.h needs SIZEOF_LONG_LONG defined!
AC_CHECK_SIZEOF(long long)
+ dnl Versions since at least 2.6.0 may have options.h
+ AC_CHECK_HEADERS(cyassl/options.h)
+
dnl Versions since at least 2.9.4 renamed error.h to error-ssl.h
AC_CHECK_HEADERS(cyassl/error-ssl.h)
#include "rawstr.h"
#include "curl_printf.h"
+/* The first CyaSSL include should be its build config aka options.h */
+#ifdef HAVE_CYASSL_OPTIONS_H
+#include <cyassl/options.h>
+#endif
#include <cyassl/ssl.h>
#include <cyassl/version.h>
#ifdef HAVE_CYASSL_ERROR_SSL_H