X-Git-Url: https://git.exim.org/exim.git/blobdiff_plain/63af6f3a15c5c4779761761bd4d6185e4679eafc..4226691b79845d9b41041e2f64a3a241dcb99f4d:/src/src/sha_ver.h

diff --git a/src/src/sha_ver.h b/src/src/sha_ver.h
index 630c78d41..387ac52c1 100644
--- a/src/src/sha_ver.h
+++ b/src/src/sha_ver.h
@@ -9,6 +9,13 @@
 
 #include "exim.h"
 
+/* Please be aware that pulling in extra headers which are not in the system
+ * includes may require careful juggling of CFLAGS in
+ * scripts/Configure-Makefile -- that logic should be kept in sync with this.
+ * In particular, building with just something like USE_OPENSSL_PC=openssl
+ * and not massaging CFLAGS in Local/Makefile is fully supported.
+ */
+
 #ifdef SUPPORT_TLS
 
 # define EXIM_HAVE_SHA2
@@ -18,6 +25,9 @@
 
 #  if GNUTLS_VERSION_NUMBER >= 0x020a00
 #   define SHA_GNUTLS
+#   if GNUTLS_VERSION_NUMBER >= 0x030500
+#    define EXIM_HAVE_SHA3
+#   endif
 #  else
 #   define SHA_GCRYPT
 #  endif