[postgis-devel] postgis' lwgeom needs -fPIC to compile on amd64

[strk at refractions.net]

Committed, thanks.
--strk;

On Mon, Nov 08, 2004 at 11:51:15AM +0100, Vincent Schut wrote:
> When compiling postgis from cvs, I get the following error on my amd64 
> (gentoo linux) system:
> 
> <snip>
> ranlib liblwgeom.a
> gcc -O2 -Wall -Wmissing-prototypes -Wpointer-arith 
> -Wdeclaration-after-statement -Wendif-labels -fno-strict-aliasing -g 
> -fexceptions -I. -DFRONTEND -DSYSCONFDIR='"/usr//etc/postgresql"' 
> -DUSE_VERSION=80 -DPOSTGIS_LIB_VERSION='"1.0.0"' 
> -DPOSTGIS_SCRIPTS_VERSION='"0.1.0"' -I/usr/local/include -DUSE_GEOS 
> -I/usr/local/include -DUSE_PROJ  -DUSE_STATS -fpic -shared 
> -Wl,-soname,liblwgeom.so.1  misures.o box2d.o ptarray.o lwgeom_api.o 
> lwgeom.o lwpoint.o lwline.o lwpoly.o lwmpoint.o lwmline.o lwmpoly.o 
> lwcollection.o lwgeom_geos_wrapper.o wktunparse.o lwgparse.o 
> wktparse.tab.o lex.yy.o vsprintf.o liblwgeom.o lwgeom_pg.o 
> lwgeom_debug.o lwgeom_spheroid.o lwgeom_ogc.o 
> lwgeom_functions_analytic.o lwgeom_geos.o lwgeom_inout.o 
> lwgeom_estimate.o lwgeom_functions_basic.o lwgeom_gist.o lwgeom_btree.o 
> lwgeom_transform.o stringBuffer.o lwgeom_box.o lwgeom_box3d.o 
> lwgeom_box2dfloat4.o lwgeom_chip.o lwgeom_svg.o lwgeom_gml.o 
> -L/usr/local/src/postgresql-8.0.0beta4/contrib/postgis-cvs/../../src/port 
> -L/usr/local/src/postgresql-8.0.0beta4/contrib/postgis-cvs/../../src/port 
>  -lstdc++ -L/usr/local/lib -lgeos -L/usr/local/lib -lproj 
> -Wl,-rpath,/usr/lib -o liblwgeom.so.1.0
> /usr/lib/gcc-lib/x86_64-pc-linux-gnu/3.3.4/../../../../x86_64-pc-linux-gnu/bin/ld: 
> lwgeom_geos_wrapper.o: relocation R_X86_64_32S can not be used when making 
> a shared object; recompile with -fPIC
> lwgeom_geos_wrapper.o: could not read symbols: Bad value
> collect2: ld returned 1 exit status
> make[1]: *** [liblwgeom.so.1.0] Error 1
> make[1]: Leaving directory 
> `/usr/local/src/postgresql-8.0.0beta4/contrib/postgis-cvs/lwgeom'
> make: *** [liblwgeom] Error 2
> 
> This can be solved by adding -fPIC to the CFLAGS/CXXFLAGS in the 
> Makefile in the lwgeom directory ('override CFLAGS += -fPIC')
> 
> Cheers,
> Vincent.
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