Remove #error from include files.
Don't have #error statements in header files, but instead wrap
the contents of that file in #ifndef OPENSSL_NO_xxx
This means it is now always safe to include the header file.
Reviewed-by: Richard Levitte <levitte@openssl.org>
diff --git a/crypto/evp/p_lib.c b/crypto/evp/p_lib.c
index a7d6244..a8fa301 100644
--- a/crypto/evp/p_lib.c
+++ b/crypto/evp/p_lib.c
@@ -62,19 +62,10 @@
#include <openssl/objects.h>
#include <openssl/evp.h>
#include <openssl/x509.h>
-#ifndef OPENSSL_NO_RSA
-# include <openssl/rsa.h>
-#endif
-#ifndef OPENSSL_NO_DSA
-# include <openssl/dsa.h>
-#endif
-#ifndef OPENSSL_NO_DH
-# include <openssl/dh.h>
-#endif
-
-#ifndef OPENSSL_NO_ENGINE
-# include <openssl/engine.h>
-#endif
+#include <openssl/rsa.h>
+#include <openssl/dsa.h>
+#include <openssl/dh.h>
+#include <openssl/engine.h>
#include "internal/asn1_int.h"
#include "internal/evp_int.h"
