Automake is a tool for automatically generating `Makefile.in's from
files called `Makefile.am'. Each `Makefile.am' is basically a series
of `make' variable definitions(1), with rules being thrown in
occasionally. The generated `Makefile.in's are compliant with the GNU
The GNU Makefile Standards Document ( Makefile Conventions
(standards)Makefile Conventions.) is long, complicated, and subject to
change. The goal of Automake is to remove the burden of Makefile
maintenance from the back of the individual GNU maintainer (and put it
on the back of the Automake maintainer).
The typical Automake input file is simply a series of variable
definitions. Each such file is processed to create a `Makefile.in'.
There should generally be one `Makefile.am' per directory of a project.
Automake does constrain a project in certain ways; for instance it
assumes that the project uses Autoconf ( Introduction
(autoconf)Top.), and enforces certain restrictions on the
Automake requires `perl' in order to generate the `Makefile.in's.
However, the distributions created by Automake are fully GNU
standards-compliant, and do not require `perl' in order to be built.
Mail suggestions and bug reports for Automake to
---------- Footnotes ----------
(1) These variables are also called "make macros" in Make
terminology, however in this manual we reserve the term "macro" for
(2) Autoconf 2.50 promotes `configure.ac' over `configure.in'. The
rest of this documentation will refer to `configure.in' as this use is
not yet spread, but Automake supports `configure.ac' too.
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