Windows goes by two rules (in this order, if I remember
correctly):
1. Pick up the DLL from the directory in which the
.exe that is linked against it resides.
2. Pick it up from the first directory that is one
of the system's executable directories (such as
C:\Windows\Win32), i.e. listed in the PATH env var.
There is no global directory for dynamic libraries,
such as "/usr/lib" on Linux, and no dedicated dyamic
linker path, such as "LD_LIBRARY_PATH", either.
Welcome to "DLL hell" ...
Ben
On 10/28/2012 09:04 PM, Markus Neteler wrote:
Glynn, Soeren, all:
any idea how GRASS 7 decides which sqlite3.dll to pick up?
thanks
Markus
---------- Forwarded message ----------
From: OSGeo4W <[email protected]>
Date: Sun, Oct 28, 2012 at 6:03 PM
Subject: Re: [osgeo4w] #305: python/sqlite:
"sqlite3-rtree-geometry-callback" not found in
"C:\OSGeo4W\apps\Python27\DLLs\sqlite3.dll"
To:
Cc: [email protected]
#305: python/sqlite: "sqlite3-rtree-geometry-callback" not found in
"C:\OSGeo4W\apps\Python27\DLLs\sqlite3.dll"
---------------------+------------------------------------------------------
Reporter: hellik | Owner: brushtyler
Type: defect | Status: new
Priority: critical | Component: Package
Version: 1.0 | Keywords: python,sqlite
---------------------+------------------------------------------------------
Comment(by brushtyler):
Replying to [comment:29 esseffe]:
Sorry, but I'm completely unable to understand why SpatiaLite is
supposed to be anyway related to this topic.
spatialite is not related at all, as well as the sqlite3 in \bin (the one
I built).
I'm still writing that the problem is that grass7-dev uses the wrong
sqlite3.dll, the one shipped with python.
We have to choose if replace (or better remove) that DLL, otherwise the
grass7-dev code has to be changed to use the sqlite3.dll in \bin (passing
the full path to ctypes when loading the sqlite3.dll library).
I would prefer to remove the duplication.
AFAICS in the .vcprops files of the python source package, the
Python27\DLLs\sqlite3.dll is compiled using default settings (for that
reason it doesn't contain the sqlite3_rtree_geometry_callback function).
--
Ticket URL: <https://trac.osgeo.org/osgeo4w/ticket/305#comment:30>
OSGeo4W <http://trac.osgeo.org/osgeo4w>
OSGeo4W is the Windows installer and package environment for the OSGeo stack.
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Benjamin Ducke
{*} Geospatial Consultant
{*} GIS Developer
[email protected]
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