I am writing in response to the following message printed by "./
configure":
checking for powerpc64-apple-darwin-ranlib... no
checking for ranlib... ranlib
configure: WARNING: In the future, Autoconf will not detect cross-
tools
whose name does not start with the host triplet. If you think this
configuration is useful to you, please write to autoconf@xxxxxxxx
Please note that on Mac OS X, there is only one compiler (gcc) and
supporting tools, which compile for ppc, ppc64, and i386
architectures. So these tools act as both native tools and as cross-
compiler tools. Implementing the change proposed above will break the
default functionality on Mac OS X (and Darwin generally). I certainly
rely on being able to use the present functionality to build multi-
architecture binary files.
On a related note, I would like to see functionality in autoconf in
the future which will allow me to build a multi-architecture binary
in a single "./configure ; make" pass. Currently, this is not
possible as many/most configure scripts appear to try to guess the
endianness of the host CPU and the bit-size of things like "long" and
hard code it into configuration files before compilation begins. This
does not allow simultaneous compilation for both PowerPC and Intel
architecture, or simultaneous compilation for 32 bit and 64 bit
architectures.
Thank you.
Yours sincerely,
Tomaž Slivnik
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