From 445f31fc06d338f0cafda188d0287f935c2edc3c Mon Sep 17 00:00:00 2001
From: Andy Wingo <wingo@oblong.net>
Date: Sun, 17 Jan 2010 17:22:51 +0000
Subject: fix doc snarfing with fedora 12

* module/scripts/snarf-check-and-output-texi.scm
  (process-multiline-directive): Be more accepting of source location
  markers in the preprocessed source, by adding a couple cases in which
  they can appear. Not foolproof, but it does adapt to what new GCCs are
  putting out (e.g. cpp (GCC) 4.4.2 20091222 (Red Hat 4.4.2-20)).
---
diff --git a/scripts/snarf-check-and-output-texi b/scripts/snarf-check-and-output-texi
index 0e7efae..f92c833 100644
--- a/scripts/snarf-check-and-output-texi
+++ b/scripts/snarf-check-and-output-texi
@@ -262,6 +262,17 @@
       (set! *file* file)
       (set! *line* line))
 
+     ;; newer gccs like to throw around more location markers into the
+     ;; preprocessed source; these (hash . hash) bits are what they translate to
+     ;; in snarfy terms.
+     (('location ('string . file) ('int . line) ('hash . 'hash))
+      (set! *file* file)
+      (set! *line* line))
+
+     (('location ('hash . 'hash) ('string . file) ('int . line) ('hash . 'hash))
+      (set! *file* file)
+      (set! *line* line))
+
      (('arglist rest ...)
       (set! *args* (do-arglist rest)))
 
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