Biulding from Git with <tt>--with-system-poppler</tt> I get a warning repeatedly:

<pre>In file included from /mnt/windows/libreoffice-src/core/sdext/source/pdfimport/xpdfwrapper/pnghelper.hxx:24:0,
                 from /mnt/windows/libreoffice-src/core/sdext/source/pdfimport/xpdfwrapper/pnghelper.cxx:20:
/mnt/windows/libreoffice-src/core/sdext/source/pdfimport/xpdfwrapper/pdfioutdev_gpl.hxx:57:0: warning: "POPPLER_VERSION" redefined
 #define POPPLER_VERSION "0.12.3"
 ^
In file included from /usr/include/poppler/GfxState.h:38:0,
                 from /mnt/windows/libreoffice-src/core/sdext/source/pdfimport/xpdfwrapper/pdfioutdev_gpl.hxx:33,
                 from /mnt/windows/libreoffice-src/core/sdext/source/pdfimport/xpdfwrapper/pnghelper.hxx:24,
                 from /mnt/windows/libreoffice-src/core/sdext/source/pdfimport/xpdfwrapper/pnghelper.cxx:20:
/usr/include/poppler/poppler-config.h:37:0: note: this is the location of the previous definition
 #define POPPLER_VERSION "0.33.0"
 ^
</pre>

And gcc fails because the arguments to <tt>processLink()</tt> are wrong:
<pre>In file included from /mnt/windows/libreoffice-src/core/sdext/source/pdfimport/xpdfwrapper/pnghelper.hxx:24:0,
                 from /mnt/windows/libreoffice-src/core/sdext/source/pdfimport/xpdfwrapper/pnghelper.cxx:20:
/mnt/windows/libreoffice-src/core/sdext/source/pdfimport/xpdfwrapper/pdfioutdev_gpl.hxx:200:34: error: ‘Link’ has not been declared
         virtual void processLink(Link *link, Catalog *catalog) override;
                                  ^
/mnt/windows/libreoffice-src/core/sdext/source/pdfimport/xpdfwrapper/pdfioutdev_gpl.hxx:185:22: error: ‘virtual void pdfi::PDFOutDev::startPage(int, GfxState*)’ marked ‘override’, but does not override
         virtual void startPage(int pageNum, GfxState *state
                      ^
</pre>

        
        
        
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