From ebd5c872a4e5fe036bb9dd6901b23de673c6ade3 Mon Sep 17 00:00:00 2001
From: Even Rouault <even.rouault@spatialys.com>
Date: Wed, 14 Sep 2022 19:06:41 +0200
Subject: [PATCH] CMake: Poppler: tighten fix of PR #6347 for broken 18.04
 package

---
 frmts/pdf/CMakeLists.txt | 1 +
 1 file changed, 1 insertion(+)

diff --git a/frmts/pdf/CMakeLists.txt b/frmts/pdf/CMakeLists.txt
index 6c80b4158d88..edabae1308ad 100644
--- a/frmts/pdf/CMakeLists.txt
+++ b/frmts/pdf/CMakeLists.txt
@@ -42,6 +42,7 @@ if (GDAL_USE_POPPLER)
   # installed, create a dummy one in a temporary directory
   # To be removed once https://bugs.launchpad.net/ubuntu/+source/poppler/+bug/1989434 is fixed
   if ("${CMAKE_SYSTEM_NAME}" STREQUAL "Linux" AND
+      "${Poppler_INCLUDE_DIRS}" STREQUAL "/usr/include/poppler" AND
       EXISTS /usr/include/poppler/goo/gmem.h AND
       NOT EXISTS /usr/include/poppler/goo/GooCheckedOps.h)
       file(READ /usr/include/poppler/goo/gmem.h GMEM_H_CONTENTS)