From ada4fa75910dab127ee4b79256a676da6d4636c0 Mon Sep 17 00:00:00 2001
From: Even Rouault <even.rouault@spatialys.com>
Date: Mon, 9 Dec 2024 18:18:31 +0100
Subject: [PATCH] PDF: fix build issue on CondaForge build infrastructure (gcc
 13.3)

Cf https://github.com/conda-forge/gdal-feedstock/pull/1019#issuecomment-2528710051
---
 frmts/pdf/pdfsdk_headers.h | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/frmts/pdf/pdfsdk_headers.h b/frmts/pdf/pdfsdk_headers.h
index 00cc4067fe5b..d2a3a449d124 100644
--- a/frmts/pdf/pdfsdk_headers.h
+++ b/frmts/pdf/pdfsdk_headers.h
@@ -19,6 +19,11 @@
 
 #ifdef HAVE_POPPLER
 
+// The "#define private public" hacks we do below do not play well with the
+// sstream header.
+// Cf https://github.com/conda-forge/gdal-feedstock/pull/1019#issuecomment-2528710051
+#include <sstream>
+
 /* Horrible hack because there's a conflict between struct FlateDecode of */
 /* include/poppler/Stream.h and the FlateDecode() function of */
 /* pdfium/core/include/fpdfapi/fpdf_parser.h. */