(make.info)Archive Members


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Archive Members as Targets
==========================

   An individual member of an archive file can be used as a target or
dependency in `make'.  You specify the member named MEMBER in archive
file ARCHIVE as follows:

     ARCHIVE(MEMBER)

This construct is available only in targets and dependencies, 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.  Note: 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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