From e0d1a6ee0a54f677ce31c612e198f9c1a7dc555a Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Tom=C3=A1=C5=A1=20Chv=C3=A1tal?= <tomas.chvatal@gmail.com>
Date: Thu, 16 Apr 2015 10:13:06 +0200
Subject: [PATCH] Make cpp/poppler-version.h header optional

Older popler (SLE11) does not have this header yet.
With the code simply if the header not found define version to oldest
possible working candidate and also raise the .pc check to the same.

Change-Id: I039c879879188fe2eb90cd119b80a1d6354a6a9c
---
 configure.ac                                          | 8 +++++---
 sdext/source/pdfimport/xpdfwrapper/pdfioutdev_gpl.hxx | 7 +++++++
 2 files changed, 12 insertions(+), 3 deletions(-)

diff --git a/configure.ac b/configure.ac
index 9e8e1d2..426e909 100644
--- a/configure.ac
+++ b/configure.ac
@@ -10432,14 +10432,15 @@ if test $_os != Android -a $_os != iOS -a \( -z "$enable_pdfimport" -o "$enable_
     if test "$with_system_poppler" = "yes"; then
         AC_MSG_RESULT([external])
         SYSTEM_POPPLER=TRUE
-        PKG_CHECK_MODULES( POPPLER, poppler >= 0.8.0 )
+        PKG_CHECK_MODULES( POPPLER, poppler >= 0.12.0 )
         AC_LANG_PUSH([C++])
         save_CXXFLAGS=$CXXFLAGS
         save_CPPFLAGS=$CPPFLAGS
         CXXFLAGS="$CXXFLAGS $POPPLER_CFLAGS"
         CPPFLAGS="$CPPFLAGS $POPPLER_CFLAGS"
-        AC_CHECK_HEADER([cpp/poppler-version.h], [],
-                   [AC_MSG_ERROR([cpp/poppler-version.h not found. Install poppler])], [])
+        AC_CHECK_HEADER([cpp/poppler-version.h],
+            [AC_DEFINE([HAVE_POPPLER_VERSION_H])],
+            [])
         CXXFLAGS=$save_CXXFLAGS
         CPPFLAGS=$save_CPPFLAGS
         AC_LANG_POP([C++])
@@ -10449,6 +10450,7 @@ if test $_os != Android -a $_os != iOS -a \( -z "$enable_pdfimport" -o "$enable_
         AC_MSG_RESULT([internal])
         SYSTEM_POPPLER=
         BUILD_TYPE="$BUILD_TYPE POPPLER"
+        AC_DEFINE([HAVE_POPPLER_VERSION_H])
     fi
 else
     AC_MSG_RESULT([no])
diff --git a/sdext/source/pdfimport/xpdfwrapper/pdfioutdev_gpl.hxx b/sdext/source/pdfimport/xpdfwrapper/pdfioutdev_gpl.hxx
index d15491b..06a0120 100644
--- a/sdext/source/pdfimport/xpdfwrapper/pdfioutdev_gpl.hxx
+++ b/sdext/source/pdfimport/xpdfwrapper/pdfioutdev_gpl.hxx
@@ -50,7 +50,14 @@
 class GfxPath;
 class GfxFont;
 class PDFDoc;
+#ifdef HAVE_POPPLER_VERSION_H
 #include <cpp/poppler-version.h>
+#else
+#define POPPLER_VERSION "0.12.3"
+#define POPPLER_VERSION_MAJOR 0
+#define POPPLER_VERSION_MINOR 12
+#define POPPLER_VERSION_MICRO 3
+#endif
 #define POPPLER_CHECK_VERSION(major,minor,micro) \
   (POPPLER_VERSION_MAJOR > (major) || \
    (POPPLER_VERSION_MAJOR == (major) && POPPLER_VERSION_MINOR > (minor)) || \
-- 
2.3.5