X-Git-Url: https://git.saurik.com/bison.git/blobdiff_plain/2aec1bc1de7b482f4ad76c022c8d8acab3274136..6051d3728759a07a84fb3bf2d3892b960a6aa1ba:/src/files.c

diff --git a/src/files.c b/src/files.c
index f9cb6f33..2a4c313c 100644
--- a/src/files.c
+++ b/src/files.c
@@ -420,6 +420,12 @@ output_files (void)
 
   compute_base_names ();
 
+  /* If not yet done. */
+  if (!src_extension)
+    src_extension = ".c";
+  if (!header_extension)
+    header_extension = ".h";
+
   /* It the defines filename if not given, we create it.  */
   if (!spec_defines_file)
     spec_defines_file = stringappend (base_name, header_extension);