From 4cd004d4d9582cd2c12e271c4305eca2d2106dd0 Mon Sep 17 00:00:00 2001
From: Kovid Goyal <kovid@kovidgoyal.net>
Date: Thu, 25 Jul 2019 09:39:37 +0530
Subject: [PATCH] More ancient linux compiler support

---
 src/calibre/utils/podofo/utils.cpp | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/calibre/utils/podofo/utils.cpp b/src/calibre/utils/podofo/utils.cpp
index 8e1a982f1c..da1272014e 100644
--- a/src/calibre/utils/podofo/utils.cpp
+++ b/src/calibre/utils/podofo/utils.cpp
@@ -15,7 +15,9 @@ pdf::podofo_set_exception(const PdfError &err) {
     if (msg == NULL) msg = err.what();
     std::stringstream stream;
     stream << msg << "\n";
-    for (const PdfErrorInfo &info : err.GetCallstack()) {
+    const TDequeErrorInfo &s = err.GetCallstack();
+    for (TDequeErrorInfo::const_iterator it = s.begin(); it != s.end(); it++) {
+        const PdfErrorInfo &info = (*it);
         stream << "File: " << info.GetFilename() << "Line: " << info.GetLine() << " " << info.GetInformation() << "\n";
     }
     PyErr_SetString(Error, stream.str().c_str());