4 files changed, 27 insertions, 8 deletions
diff --git a/src/extension/internal/pdfinput/pdf-parser.cpp b/src/extension/internal/pdfinput/pdf-parser.cpp
index 5fa21263a..a3a8ff25a 100644
--- a/src/extension/internal/pdfinput/pdf-parser.cpp
+++ b/src/extension/internal/pdfinput/pdf-parser.cpp
@@ -32,6 +32,7 @@
 #include "pdf-parser.h"
 #include "util/units.h"
 
+#include "glib/poppler-features.h"
 #include "goo/gmem.h"
 #include "goo/GooString.h"
 #include "GlobalParams.h"
@@ -2577,7 +2578,11 @@ void PdfParser::opShowSpaceText(Object args[], int /*numArgs*/)
   }
 }
 
+#if POPPLER_CHECK_VERSION(0,64,0)
 void PdfParser::doShowText(const GooString *s) {
+#else
+void PdfParser::doShowText(GooString *s) {
+#endif
   GfxFont *font;
   int wMode;
   double riseX, riseY;
@@ -2590,7 +2595,11 @@ void PdfParser::doShowText(const GooString *s) {
   Object charProc;
   Dict *resDict;
   Parser *oldParser;
+#if POPPLER_CHECK_VERSION(0,64,0)
+  const char *p;
+#else
   char *p;
+#endif
   int len, n, uLen;
 
   font = state->getFont();
@@ -2626,7 +2635,7 @@ void PdfParser::doShowText(const GooString *s) {
     double lineX = state->getLineX();
     double lineY = state->getLineY();
     oldParser = parser;
-    p = g_strdup(s->getCString());
+    p = s->getCString();
     len = s->getLength();
     while (len > 0) {
       n = font->getNextChar(p, len, &code,
@@ -2681,7 +2690,7 @@ void PdfParser::doShowText(const GooString *s) {
 
   } else {
     state->textTransformDelta(0, state->getRise(), &riseX, &riseY);
-    p = g_strdup(s->getCString());
+    p = s->getCString();
     len = s->getLength();
     while (len > 0) {
       n = font->getNextChar(p, len, &code,
@@ -2727,7 +2736,11 @@ void PdfParser::opXObject(Object args[], int /*numArgs*/)
 {
   Object obj1, obj2, obj3, refObj;
 
-  char *name = g_strdup(args[0].getName());
+#if POPPLER_CHECK_VERSION(0,64,0)
+  const char *name = args[0].getName();
+#else
+  char *name = args[0].getName();
+#endif
 #if defined(POPPLER_NEW_OBJECT_API)
   if ((obj1 = res->lookupXObject(name)).isNull()) {
 #else
diff --git a/src/extension/internal/pdfinput/pdf-parser.h b/src/extension/internal/pdfinput/pdf-parser.h
index 755e6741b..b27a29cfb 100644
--- a/src/extension/internal/pdfinput/pdf-parser.h
+++ b/src/extension/internal/pdfinput/pdf-parser.h
@@ -25,6 +25,7 @@ namespace Inkscape {
 // TODO clean up and remove using:
 using Inkscape::Extension::Internal::SvgBuilder;
 
+#include "glib/poppler-features.h"
 #include "goo/gtypes.h"
 #include "Object.h"
 
@@ -287,7 +288,12 @@ private:
   void opMoveShowText(Object args[], int numArgs);
   void opMoveSetShowText(Object args[], int numArgs);
   void opShowSpaceText(Object args[], int numArgs);
+#if POPPLER_CHECK_VERSION(0,64,0)
   void doShowText(const GooString *s);
+#else
+  void doShowText(GooString *s);
+#endif
+  
 
   // XObject operators
   void opXObject(Object args[], int numArgs);
diff --git a/src/extension/internal/pdfinput/svg-builder.cpp b/src/extension/internal/pdfinput/svg-builder.cpp
index 50a7685b8..9d0df7c04 100644
--- a/src/extension/internal/pdfinput/svg-builder.cpp
+++ b/src/extension/internal/pdfinput/svg-builder.cpp
@@ -1020,9 +1020,9 @@ void SvgBuilder::updateFont(GfxState *state) {
     GfxFont *font = state->getFont();
     // Store original name
     if (font->getName()) {
-        _font_specification = g_strdup(font->getName()->getCString());
+        _font_specification = font->getName()->getCString();
     } else {
-        _font_specification = (char*) "Arial";
+        _font_specification = "Arial";
     }
 
     // Prune the font name to get the correct font family name
@@ -1030,7 +1030,7 @@ void SvgBuilder::updateFont(GfxState *state) {
     char *font_family = nullptr;
     char *font_style = nullptr;
     char *font_style_lowercase = nullptr;
-    char *plus_sign = strstr(_font_specification, "+");
+    const char *plus_sign = strstr(_font_specification, "+");
     if (plus_sign) {
         font_family = g_strdup(plus_sign + 1);
         _font_specification = plus_sign + 1;
diff --git a/src/extension/internal/pdfinput/svg-builder.h b/src/extension/internal/pdfinput/svg-builder.h
index 499724a4c..729cdc944 100644
--- a/src/extension/internal/pdfinput/svg-builder.h
+++ b/src/extension/internal/pdfinput/svg-builder.h
@@ -80,7 +80,7 @@ struct SvgGlyph {
     bool style_changed;  // Set to true if style has to be reset
     SPCSSAttr *style;
     int render_mode;    // Text render mode
-    char *font_specification;   // Pointer to current font specification
+    const char *font_specification;   // Pointer to current font specification
 };
 
 /**
@@ -202,7 +202,7 @@ private:
 
     SPCSSAttr *_font_style;          // Current font style
     GfxFont *_current_font;
-    char *_font_specification;
+    const char *_font_specification;
     double _font_scaling;
     bool _need_font_update;
     Geom::Affine _text_matrix;