On Mon, Sep 11, 2023 at 06:38:42PM +0200, mwilck@xxxxxxxx wrote: > From: Martin Wilck <mwilck@xxxxxxxx> > Reviewed-by: Benjamin Marzinski <bmarzins@xxxxxxxxxx> > Signed-off-by: Martin Wilck <mwilck@xxxxxxxx> > --- > README.md | 38 ++++++++++++++++++++++++++------------ > 1 file changed, 26 insertions(+), 12 deletions(-) > > diff --git a/README.md b/README.md > index a7f994a..679e55b 100644 > --- a/README.md > +++ b/README.md > @@ -89,9 +89,17 @@ The following variables can be passed to the `make` command line: > * `plugindir="/some/path"`: directory where libmultipath plugins (path > checkers, prioritizers, and foreign multipath support) will be looked up. > This used to be the run-time option `multipath_dir` in earlier versions. > - * `configdir="/some/path"` : directory to search for configuration files. > + The default is `$(prefix)/$(LIB)/multipath`, where `$(LIB)` is `lib64` on > + systems that have `/lib64`, and `lib` otherwise. > + * `configfile="/some/path`": The path to the main configuration file. > + The defalt is `$(etc_prefix)/etc/multipath.conf`. > + * `configdir="/some/path"` : directory to search for additional configuration files. > This used to be the run-time option `config_dir` in earlier versions. > - The default is `/etc/multipath/conf.d`. > + The default is `$(etc_prefix)/etc/multipath/conf.d`. > + * `statedir="/some/path"`: The path of the directory where multipath-tools > + stores run-time settings that need persist between reboots, such as known > + WWIDs, user-friendly names, and persistent reservation keys. > + The default is `$(etc_prefix)/etc/multipath`. > * `READLINE=libedit` or `READLINE=libreadline`: enable command line history > and TAB completion in the interactive mode *(which is entered with `multipathd -k` or `multipathc`)*. > The respective development package will be required for building. > @@ -119,21 +127,27 @@ The following variables can be passed to the `make` command line: > ### Installation Paths > > * `prefix`: The directory prefix for (almost) all files to be installed. > - Distributions may want to set this to `/usr`. > - **Note**: for multipath-tools, unlike many other packages, `prefix` > - defaults to the empty string, which resolves to the root directory (`/`). > + "Usr-merged" distributions[^systemd] may want to set this to `/usr`. The > + default is empty (`""`). > * `usr_prefix`: where to install those parts of the code that aren't necessary > - for booting. You may want to set this to `/usr` if `prefix` is empty. > - * `systemd_prefix`: Prefix for systemd-related files. It defaults to `/usr`. > - Some systemd installations use separate `prefix` and `rootprefix`. On such > - a distribution, set `prefix`, and override `unitdir` to use systemd's > - `rootprefix`. > + for booting. Non-usr-merged distributions[^systemd] may want to set this to > + `/usr`. The default is `$(prefix)`. > + * `systemd_prefix`: Prefix for systemd-related files[^systemd]. The default is `/usr`. > + * `etc_prefix`: The prefix for configuration files. "Usr-merged" > + distributions with immutable `/usr`[^systemd] may want to set this to > + `/etc`. The default is `$(prefix)`. > * `LIB`: the subdirectory under `prefix` where shared libraries will be > installed. By default, the makefile uses `/lib64` if this directory is > found on the build system, and `/lib` otherwise. > > -See also `configdir` and `plugindir` above. See `Makefile.inc` for more > -fine-grained control. > +The options `configdir`, `plugindir`, `configfile`, and `statedir` above can > +be used for setting indvidual paths where the `prefix` variables don't provide > +sufficient control. See `Makefile.inc` for even more fine-grained control. > + > +[^systemd]: Some systemd installations use separate `prefix` and `rootprefix`. > + On such a distribution, set `prefix`, and override `unitdir` to use systemd's > + `rootprefix`. Recent systemd releases generally require everything to be > + installed under `/usr` (so-called "usr-merged" distribution). On "usr- > > ### Compiler Options > > -- > 2.42.0 -- dm-devel mailing list dm-devel@xxxxxxxxxx https://listman.redhat.com/mailman/listinfo/dm-devel
