[postgis-users] Problem compiling PostGIS2.0 with GEOS 1.3.3+

[Jan Hartmann]

You are right, it is not from GEOS but from an older PostGIS install. 
Even so, the problem of two versions of liblwgeom.h remains. The reason 
is that liblwgeom.h in /usr/local is only updated at "make install". 
Before that, the compiler sees the older version when compiling a new 
version of PostGIS. But only when there is an explicit -I directive for 
/usr/local/include, *and* that directive precedes the include directive 
for the PostGIS source tree.That is not a very common case, it only 
happens when you compile as non-root to non-standard install 
directories. Even so, it would be better to use an explicit path when 
including liblwgeom.h (../liblwgeom.h/liblwgeom.h)

Jan


On 06/23/2012 02:41 AM, Sandro Santilli wrote:
> On Fri, Jun 22, 2012 at 09:27:59PM +0200, Jan Hartmann wrote:
>> Compiling PostGIS 2.0.0 will break down when the file "liblwgeom.h"
>> is not included from the PostGIS distribution, but from the
>> installed GEOS includes. This happens when the include path to the
>> gcc compiler first explicitly specifies the standard include
>> directories (/usr/include etc), and only afterwards the specific
>> PostGIS include directories, like "-I/usr/local/include
>> -I../libwgeom". The problem is that the file "liblwgeom.h" exists
>> both in the GEOS distribution and in the PostGIS source. Things are
>> defined differently im both versions, i.e. a "struct BOX3D" with and
>> without a "srid" member.
> There's no liblwgeom.h in GEOS, as far as I know.
> Maybe you refer to a previous installation of PostGIS ?
>
> --strk;
>
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