On Fri, 2009-08-07 at 21:51 +0100, Dr. David Kirkby wrote:
> Do you have a better idea how to tell what linker gcc uses?

Why do you actually care? Surely what you want to know is what options
work on the linker that you have to hand? So you will need to test the
linker options you want to use, if necessary checking more than one set
of options, to find ones that work.

This is how macros like AX_CFLAGS_WARN_ALL work to enable compiler
warnings (the aim) regardless of the specific compiler in use.

http://www.nongnu.org/autoconf-archive/ax_cflags_warn_all.html

Using macros like these enables you to turn on features when the are
available, and not otherwise. Thus if support for a given flag is added
to either linker in the future, your configure script will continue to
work with it, which isn't the case if you make assumptions about what
linkers support what options based on the linker vendor.

Richard



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