X-Git-Url: https://git.exim.org/exim.git/blobdiff_plain/e498ab40197936833f696439e78c5cb08e5180cb..a5ffa9b475a426bc73366db01f7cc92a3811bc3a:/src/src/sha_ver.h

diff --git a/src/src/sha_ver.h b/src/src/sha_ver.h
index fd1a4d083..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