This patch adds support for Poppler 0.76 and later.

Taken from upstream:
<https://gitlab.com/inkscape/inkscape/commit/e831b034746f8dc3c3c1b88372751f6dcb974831>

diff --git a/src/extension/internal/pdfinput/pdf-parser.cpp b/src/extension/internal/pdfinput/pdf-parser.cpp
index 8484984bdf..4f798e35bf 100644
--- a/src/extension/internal/pdfinput/pdf-parser.cpp
+++ b/src/extension/internal/pdfinput/pdf-parser.cpp
@@ -421,7 +421,7 @@ void PdfParser::parse(Object *obj, GBool topLevel) {
 	error(errInternal, -1, "Weird page contents");
     	return;
   }
-  parser = new Parser(xref, new Lexer(xref, obj), gFalse);
+  parser = new _POPPLER_NEW_PARSER(xref, obj);
   go(topLevel);
   delete parser;
   parser = nullptr;
diff --git a/src/extension/internal/pdfinput/poppler-transition-api.h b/src/extension/internal/pdfinput/poppler-transition-api.h
index 61a15083a0..5e8bc4ae90 100644
--- a/src/extension/internal/pdfinput/poppler-transition-api.h
+++ b/src/extension/internal/pdfinput/poppler-transition-api.h
@@ -14,6 +14,13 @@
 
 #include <glib/poppler-features.h>
 
+#if POPPLER_CHECK_VERSION(0, 76, 0)
+#define _POPPLER_NEW_PARSER(xref, obj) Parser(xref, obj, gFalse)
+#else
+#define _POPPLER_NEW_PARSER(xref, obj) Parser(xref, new Lexer(xref, obj), gFalse)
+#endif
+
+
 #if POPPLER_CHECK_VERSION(0, 72, 0)
 #define getCString c_str
 #endif
sh?id=19987f5efe0acb65918802681f3a18cbb6a07c2a'>commit</a><a href='/guix/diff/tests/guix-hash.sh?id=19987f5efe0acb65918802681f3a18cbb6a07c2a'>diff</a></td><td class='form'><form class='right' method='get' action='/guix/log/tests/guix-hash.sh'>
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<div class='path'>path: <a href='/guix/log/?id=19987f5efe0acb65918802681f3a18cbb6a07c2a'>root</a>/<a href='/guix/log/tests?id=19987f5efe0acb65918802681f3a18cbb6a07c2a'>tests</a>/<a href='/guix/log/tests/guix-hash.sh?id=19987f5efe0acb65918802681f3a18cbb6a07c2a'>guix-hash.sh</a></div><div class='content'><table class='list nowrap'><tr class='nohover'><th class='left'>Age</th><th class='left'>Commit message (<a href='/guix/log/tests/guix-hash.sh?id=19987f5efe0acb65918802681f3a18cbb6a07c2a&amp;showmsg=1'>Expand</a>)</th><th class='left'>Author</th></tr>
<tr><td><span title='2016-10-28 22:30:17 +0200'>2016-10-28</span></td><td><a href='/guix/commit/tests/guix-hash.sh?id=343dc11702bf71876795b5d158cad860deca53a1'>guix hash: Interpret '-' as standard input.</a><span class='msg-avail'>...<span class='msg-tooltip'>* guix/scripts/hash.scm (guix-hash)[file-hash]: Special-case "-".
* tests/guix-hash.sh: Add test.
* doc/guix.texi (Invoking guix hash): Document it.
</span></span></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2016-09-07 12:00:35 +0200'>2016-09-07</span></td><td><a href='/guix/commit/tests/guix-hash.sh?id=392a4e122350367c4b4ac331db5ec28360c7f38c'>guix hash: Add --exclude-vcs option.</a><span class='msg-avail'>...<span class='msg-tooltip'>* guix/scripts/hash.scm (show-help): Add help text for --exclude-vcs option.
(%options): Add --exclude-vcs option.
(guix-hash): Handle exclude-vcs option.
* doc/guix.texi ("Invoking guix hash"): Update doc.
* tests/guix-hash.sh: Add test.

Co-authored-by: Ludovic Courtès &lt;ludo@gnu.org&gt;
</span></span></td><td>Jan Nieuwenhuizen</td></tr>