compiling mapserver... gd gdal and postgresql GEOS

[fx gamoy]

Hello world,

Is it necessary to compil gd with postgresql support in order to get then mapserver compiled with postgis???

If no, is it interesting (resource low cost?) to compil gd without postgress? 

In the same idea,
i think it is necessary to compil gdal with posgresql support to permit read access on the geometry column (porvided by postgis) but
Is it necessary to compil gdal with GEOS support in order to get, then, mapserver compiled with postgis???

If no, is it interesting (resource low cost?) to compil gdal without GEOS? 

thanks 
fx
 
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