X-Git-Url: https://git.saurik.com/bison.git/blobdiff_plain/900c5db5379673765a18c6746fd9139a278cc9a9..437c2d80006f7c4729cffd329c106de50dbd4acc:/data/c.m4

diff --git a/data/c.m4 b/data/c.m4
index 26171622..aafe2c7d 100644
--- a/data/c.m4
+++ b/data/c.m4
@@ -300,3 +300,15 @@ m4_define([b4_c_args],
 
 m4_define([b4_c_arg],
 [$2])
+
+
+## ----------- ##
+## Synclines.  ##
+## ----------- ##
+
+
+# b4_syncline(LINE, FILE)
+# -----------------------
+m4_define([b4_syncline],
+[m4_if(b4_synclines_flag, 1,
+       [[#]line $1 "$2"])])