Nicolas Calimet wrote:

>> When compiling PovRay on a 64 bit Linux system, is it sufficient to just
>> do the configure and make as per the install file
> 
> Yes.  In principle any 64 bit Linux distro comes with a development
> environment set to produce 64 bit binaries.  If for some reason you need
> to get 32 bit binaries instead, then you have to pass the "-32" flag to
> the compiler (and implicitely to the assembler and linker as well).
> 
> 
> FYI, on non-Linux 64 bit systems, however, it might be slighlty
> more complicated.  For instance on IRIX64 (SGI machines), compiling a
> 64 bit povray binary with a gcc distro installed under my home directory,
> I had to do the following:
> 
> ./configure CFLAGS=-mabi=64 CXXFLAGS=-mabi=64 LDFLAGS=-mabi=64 \
>    -L$HOME/software/irix/lib/mabi=64 -L/usr/lib64/mips4 -L/usr/lib64
> make check install
> 
> since gcc on IRIX64 produces 32 bit binaries by default. Note that
> the  -L$HOME/software/irix/lib/mabi=64  flag points to my user-installed
> gcc, the other -L flags point to the system libraries.
> 
> 
> - NC

Thanks Nicolas.

I have compiled it on a 64 bit system and it runs fine. I was just wondering
if it was the optimum compile.

Btw, the speed difference is roughly 35-45% on an AMD 3500+

-- 
Ger

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