Make sure we get the definition of OPENSSL_NO_BIO.
diff --git a/crypto/pem/pem.h b/crypto/pem/pem.h
index 02dd9f2..57a2cfe 100644
--- a/crypto/pem/pem.h
+++ b/crypto/pem/pem.h
@@ -59,6 +59,7 @@
#ifndef HEADER_PEM_H
#define HEADER_PEM_H
+#include <openssl/e_os2.h>
#ifndef OPENSSL_NO_BIO
#include <openssl/bio.h>
#endif
@@ -68,7 +69,6 @@
#include <openssl/evp.h>
#include <openssl/x509.h>
#include <openssl/pem2.h>
-#include <openssl/e_os2.h>
#ifdef __cplusplus
extern "C" {
diff --git a/crypto/txt_db/txt_db.h b/crypto/txt_db/txt_db.h
index 563392a..c98e287 100644
--- a/crypto/txt_db/txt_db.h
+++ b/crypto/txt_db/txt_db.h
@@ -59,6 +59,7 @@
#ifndef HEADER_TXT_DB_H
#define HEADER_TXT_DB_H
+#include <openssl/opensslconf.h>
#ifndef OPENSSL_NO_BIO
#include <openssl/bio.h>
#endif
