Hello all --
Please let me qualify the following by saying that a) I'm not
C-literate, and b) I'll be perfectly happy with links to FAQs, or a
more appropriate forum to which to direct these questions.
If I wish to compile a binary on a fast machine and transfer this
binary to another box of lesser architecture and an older Linux
kernel, what steps are required? (I'm restricting my scope to Intel
processors here.) For instance, if I build ssh on an i686 with
2.2.17, and want to run this binary on an i486 with 2.2.14, what must
I do? 'man gcc' suggests that the -b option is relevant, but it also
says "This is useful when you have installed GNU CC as a
cross-compiler", suggesting that there is some other configuration to
be done to gcc before I should try that ... and that doesn't address
the issue of kernel version.
Similarly, if I'm compiling someone else's source on the
aforementioned i686 and I want the binary to be optimized for that
processor, need I do anything special? The man page says this about
the -b switch: "When you do not specify `-b', it normally means to
compile for the same type of machine that you are using." However, it
has been suggested to me that some extra flags to gcc in the makefile
may be required to make this explicit. I'd like some general guidance
on this before I start mucking about.
Thank you for any suggestions.
-d
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