[postgis-devel] Issue 126 in postgis: Don't include private PROJ.4 header projects.h

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Status: New
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New issue 126 by mloskot: Don't include private PROJ.4 header projects.h
http://code.google.com/p/postgis/issues/detail?id=126

In current SVN trunk, PostGIS file lwgeom_transform.c includes private
header of PROJ.4 - projects.h.
This header is...private and should not be included form PROJ.4 client code.
Instead, proj_api.h should be used. However, replacing these headers
requires number of changes in lwgeom_transform.c. For instance, use API
call(s) instead of accessing internal structures:

current code:

  if( !srcdefn->is_latlong )

new code:

  if( !pj_is_latlong( srcdefn ) )

Including private header projects.h makes it impossible to compile using
Microsoft Visual C++ compiler, becasue of well-known conflicts with
definitions from windows.h. Here is confirmation of existence of that
issue: http://lists.osgeo.org/pipermail/gdal-dev/2005-May/005669.html

I've just (re)hit this problem and it stops me from moving forward with
building PostGIS using Visual C++.

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