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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">MRF depends on JPEG, PNG, zlib and TIFF. Since those are always available as GDAL internal, it doesn’t makes sense to change the code to make it work without
some of them. It would only create seldom used configurations that would have to be tested and maintained.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">Turning MRF off if any of the dependencies are missing would be safer and simpler.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">Lucian<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><o:p> </o:p></span></p>
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<p class="MsoNormal"><b><span style="font-size:10.0pt;font-family:"Tahoma","sans-serif"">From:</span></b><span style="font-size:10.0pt;font-family:"Tahoma","sans-serif""> Even Rouault [mailto:even.rouault@spatialys.com]
<br>
<b>Sent:</b> Sunday, February 12, 2017 11:38 AM<br>
<b>To:</b> gdal-dev@lists.osgeo.org<br>
<b>Cc:</b> Michal Migurski; Lucian Plesea<br>
<b>Subject:</b> Re: [gdal-dev] "symbol(s) not found for architecture x86_64" when compiling GDAL 2.1.0 on Mac OS X<o:p></o:p></span></p>
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<p class="MsoNormal"><o:p> </o:p></p>
<p style="margin:0in;margin-bottom:.0001pt"><span style="font-size:9.0pt;font-family:"Sans Serif","serif"">On dimanche 12 février 2017 10:52:59 CET Michal Migurski wrote:<o:p></o:p></span></p>
<p style="margin:0in;margin-bottom:.0001pt;-qt-block-indent:0;-qt-user-state:0"><span style="font-size:9.0pt;font-family:"Sans Serif","serif"">> Hi,<o:p></o:p></span></p>
<p style="margin:0in;margin-bottom:.0001pt;-qt-block-indent:0;-qt-user-state:0"><span style="font-size:9.0pt;font-family:"Sans Serif","serif"">>
<o:p></o:p></span></p>
<p style="margin:0in;margin-bottom:.0001pt;-qt-block-indent:0;-qt-user-state:0"><span style="font-size:9.0pt;font-family:"Sans Serif","serif"">> I’ve recently switched to a new laptop, and I’m attempting to compile GDAL.<o:p></o:p></span></p>
<p style="margin:0in;margin-bottom:.0001pt;-qt-block-indent:0;-qt-user-state:0"><span style="font-size:9.0pt;font-family:"Sans Serif","serif"">> I have libpng and jpeg in /urs/local via a fresh installation of Homebrew,<o:p></o:p></span></p>
<p style="margin:0in;margin-bottom:.0001pt;-qt-block-indent:0;-qt-user-state:0"><span style="font-size:9.0pt;font-family:"Sans Serif","serif"">> and I am attempting to follow instructions for minimal drivers. This has<o:p></o:p></span></p>
<p style="margin:0in;margin-bottom:.0001pt;-qt-block-indent:0;-qt-user-state:0"><span style="font-size:9.0pt;font-family:"Sans Serif","serif"">> worked without incident for me in the past, but I’m running into a problem<o:p></o:p></span></p>
<p style="margin:0in;margin-bottom:.0001pt;-qt-block-indent:0;-qt-user-state:0"><span style="font-size:9.0pt;font-family:"Sans Serif","serif"">> I’ve not seen before.<o:p></o:p></span></p>
<p style="margin:0in;margin-bottom:.0001pt;-qt-paragraph-type:empty;-qt-block-indent:0">
<span style="font-size:9.0pt;font-family:"Sans Serif","serif""> <o:p></o:p></span></p>
<p style="margin:0in;margin-bottom:.0001pt;-qt-block-indent:0;-qt-user-state:0"><span style="font-size:9.0pt;font-family:"Sans Serif","serif"">Michal,<o:p></o:p></span></p>
<p style="margin:0in;margin-bottom:.0001pt;-qt-block-indent:0;-qt-user-state:0"><span style="font-size:9.0pt;font-family:"Sans Serif","serif"">You need to disable the MRF driver as well since it needs libpng and libjpeg. Unfortunetely I just discovered that
the intended --without-mrf option didn't work because of a typo. I fixed this by a simple patch in
<a href="https://urldefense.proofpoint.com/v2/url?u=https-3A__trac.osgeo.org_gdal_ticket_6811&d=DwMGaQ&c=n6-cguzQvX_tUIrZOS_4Og&r=0orhATy81rhG89NwPqBqSPUWjOvyYU8QxFh5_mt-XF8&m=zspmUIO7S_ZVn-9UgO9SW5klMbpNfrJggIKRaHNbkZQ&s=CkAIea7yNc6i_N2r7C8oLBtDRo9vSrZf5jRj712nkwE&e=">https://trac.osgeo.org/gdal/ticket/6811</a> that you can apply.<o:p></o:p></span></p>
<p style="margin:0in;margin-bottom:.0001pt;-qt-paragraph-type:empty;-qt-block-indent:0">
<span style="font-size:9.0pt;font-family:"Sans Serif","serif""> <o:p></o:p></span></p>
<p style="margin:0in;margin-bottom:.0001pt;-qt-block-indent:0;-qt-user-state:0"><span style="font-size:9.0pt;font-family:"Sans Serif","serif"">Lucian,<o:p></o:p></span></p>
<p style="margin:0in;margin-bottom:.0001pt;-qt-block-indent:0;-qt-user-state:0"><span style="font-size:9.0pt;font-family:"Sans Serif","serif"">wouldn't it make sense to either be able to build MRF without PNG and/or JPEG support, or if that doesn't make sense
automatically disable MRF when they are not available ?<o:p></o:p></span></p>
<p style="margin:0in;margin-bottom:.0001pt;-qt-paragraph-type:empty;-qt-block-indent:0">
<span style="font-size:9.0pt;font-family:"Sans Serif","serif""> <o:p></o:p></span></p>
<p style="margin:0in;margin-bottom:.0001pt;-qt-block-indent:0;-qt-user-state:0"><span style="font-size:9.0pt;font-family:"Sans Serif","serif"">Even<o:p></o:p></span></p>
<p style="margin:0in;margin-bottom:.0001pt;-qt-paragraph-type:empty;-qt-block-indent:0">
<span style="font-size:9.0pt;font-family:"Sans Serif","serif""> <o:p></o:p></span></p>
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<p style="margin:0in;margin-bottom:.0001pt;-qt-block-indent:0;-qt-user-state:0"><span style="font-size:9.0pt;font-family:"Sans Serif","serif"">Spatialys - Geospatial professional services<o:p></o:p></span></p>
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