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12.2 Man pages

A package can also include man pages (but see the GNU standards on this matter, section `Man Pages' in The GNU Coding Standards.) Man pages are declared using the `MANS' primary. Generally the man_MANS variable is used. Man pages are automatically installed in the correct subdirectory of mandir, based on the file extension.

File extensions such as `.1c' are handled by looking for the valid part of the extension and using that to determine the correct subdirectory of mandir. Valid section names are the digits `0' through `9', and the letters `l' and `n'.

Sometimes developers prefer to name a man page something like `foo.man' in the source, and then rename it to have the correct suffix, e.g. `foo.1', when installing the file. Automake also supports this mode. For a valid section named SECTION, there is a corresponding directory named `manSECTIONdir', and a corresponding `_MANS' variable. Files listed in such a variable are installed in the indicated section. If the file already has a valid suffix, then it is installed as-is; otherwise the file suffix is changed to match the section.

For instance, consider this example:
 
man1_MANS = rename.man thesame.1 alsothesame.1c

In this case, `rename.man' will be renamed to `rename.1' when installed, but the other files will keep their names.

By default, man pages are installed by `make install'. However, since the GNU project does not require man pages, many maintainers do not expend effort to keep the man pages up to date. In these cases, the no-installman option will prevent the man pages from being installed by default. The user can still explicitly install them via `make install-man'.

Here is how the man pages are handled in GNU cpio (which includes both Texinfo documentation and man pages):

 
man_MANS = cpio.1 mt.1
EXTRA_DIST = $(man_MANS)

Man pages are not currently considered to be source, because it is not uncommon for man pages to be automatically generated. Therefore they are not automatically included in the distribution. However, this can be changed by use of the `dist_' prefix.

The `nobase_' prefix is meaningless for man pages and is disallowed.


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