1 files changed, 5 insertions, 1 deletions

diff --git a/lib-src/make-docfile.c b/lib-src/make-docfile.c
index 9470bd635f5..85bcc8bc89c 100644
--- a/lib-src/make-docfile.c
+++ b/lib-src/make-docfile.c
@@ -224,7 +224,11 @@ put_filename (char *filename)
 
   for (tmp = filename; *tmp; tmp++)
     {
-      if (IS_DIRECTORY_SEP (*tmp))
+      /* Use separate variable to silence a Clang warning on macOS.
+         Clang takes offence of the additional set of parantheses
+         generated by the macro.  */
+      bool is_sep = IS_DIRECTORY_SEP (*tmp);
+      if (is_sep)
         filename = tmp + 1;
     }