[geos-devel] Exception Issues

[chodgson at refractions.net]

My guess is that you should compile and link using g++ instead of gcc?

Chris

Quoting David Blasby <dblasby at refractions.net>:

> > This should be easily solved by modifying the Postgresql link step
> > to link as C++ instead of 'C'.
> 
> Theoretically, this should work.  Perhaps paul could compile our 7.3
> development system with libc++ instead of libc and we could see if it works?
> 
> 
> > Note I believe that this should only be necessary for the PostGIS
> > DLL
> 
> PostGIS already links to libc++ instead of libc.  At least I think it
> does (the postgis_geoswrapper.cpp needs libc++ to compile).
> 
> Oh, I'm wrong - it links to both:
> 
> [dblasby at hydra postgis]$ ldd libpostgis.so.0.8
>          libstdc++-libc6.2-2.so.3 => /usr/lib/libstdc++-libc6.2-2.so.3
> (0x4003d000)
>          libgeos.so.1 => /usr/local/lib/libgeos.so.1 (0x4008a000)
>          libproj.so.0 => /usr/local/lib/libproj.so.0 (0x40144000)
>          libc.so.6 => /lib/libc.so.6 (0x40174000)
>          libm.so.6 => /lib/libm.so.6 (0x402b0000)
>          /lib/ld-linux.so.2 => /lib/ld-linux.so.2 (0x80000000)
> 
> 
> Anyone know how to get it to *not* link to libc?  The link step looks like:
> 
> gcc -g -Wall -Wmissing-prototypes -Wmissing-declarations -g -I.
> -DFRONTEND -DSYSCONFDIR='"/opt/pgsql73/etc"'  -DUSE_VERSION=73
> -I/usr/local/include/geos -DUSE_GEOS -I/usr/local/include -DUSE_PROJ
> -fpic -shared -Wl,-soname,libpostgis.so.0 postgis_debug.o postgis_ops.o
> postgis_fn.o postgis_inout.o postgis_proj.o postgis_chip.o
> postgis_transform.o postgis_gist_72.o postgis_estimate.o postgis_geos.o
> postgis_geos_wrapper.o    -lstdc++ -L/usr/local/lib -lgeos
> -L/usr/local/lib -lproj   -Wl,-rpath,/opt/pgsql73/lib -o libpostgis.so.0.8
> 
> 
> dave
> 
> 
> 
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