Archive files are files containing named subfiles called
members; they are maintained with the program ar and their
main use is as subroutine libraries for linking.
11.1 Archive Members as Targets Archive members as targets.
11.2 Implicit Rule for Archive Member Targets The implicit rule for archive member targets.
11.3 Dangers When Using Archives Dangers to watch out for when using archives.
11.4 Suffix Rules for Archive Files You can write a special kind of suffix rule
for updating archives.