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An individual member of an archive file can be used as a target or
prerequisite in make. You specify the member named member in
archive file archive as follows:
archive(member)
This construct is available only in targets and prerequisites, not in
commands! Most programs that you might use in commands do not support this
syntax and cannot act directly on archive members. Only ar and
other programs specifically designed to operate on archives can do so.
Therefore, valid commands to update an archive member target probably must
use ar. For example, this rule says to create a member
`hack.o' in archive `foolib' by copying the file `hack.o':
foolib(hack.o) : hack.o
ar cr foolib hack.o
In fact, nearly all archive member targets are updated in just this way
and there is an implicit rule to do it for you. Note: The
`c' flag to ar is required if the archive file does not
already exist.
To specify several members in the same archive, you can write all the member names together between the parentheses. For example:
foolib(hack.o kludge.o)
is equivalent to:
foolib(hack.o) foolib(kludge.o)
You can also use shell-style wildcards in an archive member reference. See section Using Wildcard Characters in File Names. For example, `foolib(*.o)' expands to all existing members of the `foolib' archive whose names end in `.o'; perhaps `foolib(hack.o) foolib(kludge.o)'.
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