X-Git-Url: https://gerrit.automotivelinux.org/gerrit/gitweb?a=blobdiff_plain;f=docs%2Freference.rst;h=6c38f6b40558be53b964fd6d202af1edfe0a60c5;hb=b663909fb6e86f0ae0f450523e72fb7fbfb719ab;hp=42f4864f66b2a7af9d74861b4c0c2a188a27d7a6;hpb=f064c2c48a43b0c1b011d52f53d519d809b8cee7;p=apps%2Fagl-service-can-low-level.git

diff --git a/docs/reference.rst b/docs/reference.rst
index 42f4864f..6c38f6b4 100644
--- a/docs/reference.rst
+++ b/docs/reference.rst
@@ -49,6 +49,11 @@ PB_BUFFER_ONLY                 Disables the support for custom streams. Only
 PB_OLD_CALLBACK_STYLE          Use the old function signature (void\* instead
                                of void\*\*) for callback fields. This was the
                                default until nanopb-0.2.1.
+PB_SYSTEM_HEADER               Replace the standard header files with a single
+                               header file. It should define all the required
+                               functions and typedefs listed on the
+                               `overview page`_. Value must include quotes,
+                               for example *#define PB_SYSTEM_HEADER "foo.h"*.
 ============================  ================================================
 
 The PB_MAX_REQUIRED_FIELDS, PB_FIELD_16BIT and PB_FIELD_32BIT settings allow
@@ -56,7 +61,7 @@ raising some datatype limits to suit larger messages. Their need is recognized
 automatically by C-preprocessor #if-directives in the generated .pb.h files.
 The default setting is to use the smallest datatypes (least resources used).
 
-
+.. _`overview page`: index.html#compiler-requirements
 
 
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