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Determining the Build Details

A few different sources of tests and command-line parsing code exist.

  • Many common tests are packaged with autoconf.

  • Some tests become common enough that they are distributed in third-party macro libraries (*.m4 files).

  • Once-off tests can be coded directly into the configure.in file.

Collecting together the macros that come autoconf and third-party packages is done by aclocal.

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