Don't include openssl/engine.h if it's not going to be used

diff --git a/pdns/libssl.cc b/pdns/libssl.cc
index 3f1a86b0ceb40bc9fa3ab0b5deb977f47dc710bc..b3629d15c216a78f176a3240ceb93bc6ea124887 100644 (file)
--- a/pdns/libssl.cc
+++ b/pdns/libssl.cc
@@ -12,9 +12,11 @@
 #include <pthread.h>
 
 #include <openssl/conf.h>
+#if OPENSSL_VERSION_MAJOR < 3 || !defined(HAVE_TLS_PROVIDERS)
 #ifndef OPENSSL_NO_ENGINE
 #include <openssl/engine.h>
 #endif
+#endif
 #include <openssl/err.h>
 #ifndef DISABLE_OCSP_STAPLING
 #include <openssl/ocsp.h>