From 274940d7438af7ef92ce3e11d75620db94675932 Mon Sep 17 00:00:00 2001
From: Gisle Vanem <gisle.vanem@gmail.com>
Date: Fri, 8 Jun 2018 15:10:05 +0200
Subject: boringssl + schannel: undef X509_NAME in lib/schannel.h

Fixes the build problem when both boringssl and schannel are enabled.

Fixes #2634
Closes #2643
---
 lib/ldap.c          |  9 ---------
 lib/vtls/schannel.h | 19 +++++++++++++++++++
 2 files changed, 19 insertions(+), 9 deletions(-)

diff --git a/lib/ldap.c b/lib/ldap.c
index 89047bcbd..4d8f4fa28 100644
--- a/lib/ldap.c
+++ b/lib/ldap.c
@@ -54,15 +54,6 @@
 # endif /* HAVE_LDAP_SSL && HAVE_LDAP_SSL_H */
 #endif
 
-/* These are macros in both <wincrypt.h> (in above <winldap.h>) and typedefs
- * in BoringSSL's <openssl/x509.h>
- */
-#ifdef HAVE_BORINGSSL
-# undef X509_NAME
-# undef X509_CERT_PAIR
-# undef X509_EXTENSIONS
-#endif
-
 #include "urldata.h"
 #include <curl/curl.h>
 #include "sendf.h"
diff --git a/lib/vtls/schannel.h b/lib/vtls/schannel.h
index aa44e8e89..51417affe 100644
--- a/lib/vtls/schannel.h
+++ b/lib/vtls/schannel.h
@@ -32,6 +32,25 @@
 
 #include "urldata.h"
 
+/* <wincrypt.h> has been included via the above <schnlsp.h>.
+ * Or in case of ldap.c, it was included via <winldap.h>.
+ * And since <wincrypt.h> has this:
+ *   #define X509_NAME  ((LPCSTR) 7)
+ *
+ * And in BoringSSL's <openssl/base.h> there is:
+ *  typedef struct X509_name_st X509_NAME;
+ *  etc.
+ *
+ * this wil cause all kinds of C-preprocessing paste errors in
+ * BoringSSL's <openssl/x509.h>: So just undefine those defines here
+ * (and only here).
+ */
+#if defined(HAVE_BORINGSSL) || defined(OPENSSL_IS_BORINGSSL)
+# undef X509_NAME
+# undef X509_CERT_PAIR
+# undef X509_EXTENSIONS
+#endif
+
 extern const struct Curl_ssl Curl_ssl_schannel;
 
 CURLcode verify_certificate(struct connectdata *conn, int sockindex);
-- 
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