X-Git-Url: https://vcs.fsf.org/?a=blobdiff_plain;f=src%2Fsrc%2Fsha_ver.h;h=387ac52c179030c1f0d0ea090e1e6ec961d3033f;hb=9b2583c440ab9104070054dfa02e8611799f777b;hp=fd1a4d083f9dff176fdd323662c1801113ffbb94;hpb=e498ab40197936833f696439e78c5cb08e5180cb;p=exim.git

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