docproc: print a comment about autogeneration for rst output

Leave a hint to folks which file to edit instead.

Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>

1 files changed, 7 insertions, 0 deletions

diff --git a/scripts/docproc.c b/scripts/docproc.c
index 9babfd108d2e..0a12593b9041 100644
--- a/scripts/docproc.c
+++ b/scripts/docproc.c
@@ -45,6 +45,7 @@
 #include <getopt.h>
 #include <sys/types.h>
 #include <sys/wait.h>
+#include <time.h>
 
 /* exitstatus is used to keep track of any failing calls to kernel-doc,
  * but execution continues. */
@@ -616,6 +617,12 @@ int main(int argc, char *argv[])
         }
 
         if (strcmp("doc", subcommand) == 0) {
+                if (file_format == FORMAT_RST) {
+                        time_t t = time(NULL);
+                        printf(".. generated from %s by docproc %s\n",
+                               filename, ctime(&t));
+                }
+
                 /* Need to do this in two passes.
                  * First pass is used to collect all symbols exported
                  * in the various files;