[postgis-users] could not find function "centroid" in file "/usr/lib/postgresql/postgis.dll"

[strk]

What version of postgis are you trying to build ?
Check if postgis_fn.c contains a line in the form:
#if ! USE_GEOS
If it does try substituting it with:
#ifndef USE_GEOS
and recompile

--strk;

On Sat, Jun 26, 2004 at 07:57:00AM -0700, Rudolf Nottrott wrote:
> I installed PostGIS with PostgreSQL on Windows XP / Cygwin, after switching 
> off proj4 and geos in the Makefile (USE_PROJ=0 and
> USE_GEOS=0).  I switched off proj4 and geos because I was getting PostGIS 
> compilition errors without them installed, and I felt a bit daunted 
> about  two more installs.
> 
> WIth
> USE_PROJ=0 and USE_GEOS=0
> PostGIS  compiles and installes ok -- I just wanted to get the basic 
> PostGIS going first.
> 
> Unfortunatley, now when loading the postgis.sql definitions file
> psql    -d   drg_usgs   -f   postgis.sql
> I get an error
> 
> could not find function "centroid" in file "/usr/lib/postgresql/postgis.dll"
> 
> Any idea what that means, and what to do?
> 
> Thanks,
> 
> Rudolf
> 
> P.S.  I thought that perhaps it relates to the uninstalled geos, so I 
> downloaded and unpacked geos, but then found no installation instructions 
> for it (only an empty README file).
> 
> >Subject: RE: Using/Compiling PostGIS on WindowsXP/Cygwin for use with 
> >PostgreSQL
> >Date: Fri, 25 Jun 2004 17:45:25 -0600
> >From: "Chapman, Martin" <MChapman at sanz.com>
> >To: "PostGIS Users Discussion" <postgis-users at postgis.refractions.net>
> >
> >That is correct, fortunately the builds for these projects are really
> >good and work on both linux and windows.  Just download them and follow
> >the build instructions.  It's easier than you might think.
> >
> >Martin
> >
> >-----Original Message-----
> >From: Rudolf Nottrott [mailto:rnott at alexandria.UCSB.edu]
> >Sent: Friday, June 25, 2004 5:25 PM
> >To: PostGIS Users Discussion
> >Subject: RE: [postgis-users] Using/Compiling PostGIS on WindowsXP/Cygwin
> >for use with PostgreSQL
> >
> >Are you saying that proj4 and geos are required to run
> >PostGIS with PostgreSQL on Windows/Cygwin?
> >
> >Are they also required to run PostGIS with PostgreSQL on other
> >platforms, in particular Linux?
> >
> >If so, that adds up to quite an installation chore, mostly because of
> >the potential errors that can occur.
> >I feel a bit daunted!
> >
> >Rudolf
> >
> >At 05:01 PM 6/25/2004 -0600, you wrote:
> >>You need to download and install proj4.  It's the projection library
> >>used by postgis to handle projecting lat/lons into x,y and the inverse.
> >
> >>The zip can be found at http://www.remotesensing.org:16080/proj/ .
> >>Follow the build instructions for windows using the vc compiler.  Let
> >>me know if you have problems.  You also need geos which can be found at
> >
> >>http://geos.refractions.net .
> >>
> >>Martin Chapman
> 
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