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% sh config.sub i386-linux
i386-pc-linux-gnu
% sh config.sub alpha-linux
alpha-unknown-linux-gnu
% sh config.sub hp9k700
hppa1.1-hp-hpux
% sh config.sub sun4
sparc-sun-sunos4.1.1
% sh config.sub sun3
m68k-sun-sunos4.1.1
% sh config.sub i986v
Invalid configuration `i986v': machine `i986v' not recognized
config.sub is also distributed in the GDB source directory (gdb-gdb-199991101,
for version gdb-199991101).
A.3 configure options
Here is a summary of the configure options and arguments that are most often useful
for building GDB. configure also has several other options not listed here. See Info
file configure.info, or the node What Configure Does, for a full explanation of
configure.
configure [--help]
[--prefix=dir]
[--exec-prefix=dir]
[--srcdir=dirname]
[--norecursion] [--rm]
[--target=target]
host
You may introduce options with a single - rather than -- if you prefer; but you may
abbreviate option names if you use --.
--help
Display a quick summary of how to invoke configure.
--prefix=dir
Configure the source to install programs and files under
directory `dir.
--exec-prefix=dir
Configure the source to install programs under directory
dir.
--srcdir=dirname
Warning: using this option requires gnu make, or another
make that implements the VPATH feature. Use this option
to make configurations in directories separate from the GDB
source directories. Among other things, you can use this to
build (or maintain) several configurations simultaneously,
in separate directories. configure writes configuration
specific files in the current directory, but arranges for them
to use the source in the directory dirname. configure
creates directories under the working directory in parallel
to the source directories below dirname.
368 Installing GDB