Borg, Rodney wrote:
Hi,
Does anyone know if there is an environment variable that would let a
"make" script choose the correct 32 or 64 bit libraries to link?
The particular application uses a Jam make.
What are you trying to do?
If you have a 64bit platform the default compilation/linking will link
to 64bit libraries. If you specify the -m32 compiler option (and use the
compiler to generate the link commands) then a 32bit application will be
built using 32bit libraries. A 32bit platform will use 32bit libraries,
and can't build 64bit apps.
There is a variable (not environment) called MACHTYPE which you should
be able to use to differentiate between a 32bit and 64bit environment,
or the output of the command "arch".
--
Nigel Wade, System Administrator, Space Plasma Physics Group,
University of Leicester, Leicester, LE1 7RH, UK
E-mail : nmw@xxxxxxxxxxxx
Phone : +44 (0)116 2523548, Fax : +44 (0)116 2523555
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