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</o:shapelayout></xml><![endif]--></head><body lang=EN-US link="#0563C1" vlink="#954F72"><div class=WordSection1><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D'>The PostGIS 2.4 doesn't have to be in system path, it should be in your lib folder of PostgreSQL. <o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D'>I haven't used Cygwin in a while, and surprised it works, since I don't think anyone has been testing Cygwin compilation for PostGIS in quite some time.<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'>I compile under mingw64, the default install structure I get is<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'>Pg11\lib (though PostGIS make install automatically puts it in the folder).<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'>I think Cygwin might have it as pg11\lib\postgresql or something like that<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'>And then the dependencies for PostGIS would go in pg11\bin – you should have a geos_c.dll, geos.dll, libproj-12.dll (might be libproj-9.dll if you are using < 4.9), libgdal-20.dll and all its dependencies, libxml2-2.dll<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D'>Then you can add to your system path. I usually have a launch script that adds these to a local launch path so I can swap out versions for testing and not clutter up my postgresql bin folder.<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'><o:p> </o:p></span></p><div style='border:none;border-left:solid blue 1.5pt;padding:0in 0in 0in 4.0pt'><div><div style='border:none;border-top:solid #E1E1E1 1.0pt;padding:3.0pt 0in 0in 0in'><p class=MsoNormal><b><span style='font-size:11.0pt;font-family:"Calibri",sans-serif'>From:</span></b><span style='font-size:11.0pt;font-family:"Calibri",sans-serif'> postgis-devel [mailto:postgis-devel-bounces@lists.osgeo.org] <b>On Behalf Of </b>Roberto Ribeiro<br><b>Sent:</b> Wednesday, June 06, 2018 11:32 AM<br><b>To:</b> PostGIS Development Discussion <postgis-devel@lists.osgeo.org><br><b>Subject:</b> [postgis-devel] Cannot load library in cygwin PostGIS 2.4 build<o:p></o:p></span></p></div></div><p class=MsoNormal><o:p> </o:p></p><div><div><div><div><p class=MsoNormal style='margin-bottom:12.0pt'>Hello list,<o:p></o:p></p></div><p class=MsoNormal style='margin-bottom:12.0pt'>I built PostGIS today using Cygwin, and it did so with no problems. However, if I try to create extension in an existing db, it returns the error message: "could not load library <path/postgis-2.4.dll>: No such file or directory".<o:p></o:p></p></div><p class=MsoNormal style='margin-bottom:12.0pt'>I searched online, seems like this is a common error, however the two common workarounds did not apply to me: first is to check if build architecture matches that of Postgres (yes, both are 64bits compiled on cygwin); second is to check if the dll is in the system PATH (it is).<o:p></o:p></p></div><p class=MsoNormal>Does anyone have any idea what could be the problem?<o:p></o:p></p></div></div></div></body></html>