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Diffstat (limited to 'manual/install.texi')
| -rw-r--r-- | manual/install.texi | 17 |
1 files changed, 16 insertions, 1 deletions
diff --git a/manual/install.texi b/manual/install.texi index d41296294e..2657da108b 100644 --- a/manual/install.texi +++ b/manual/install.texi @@ -203,7 +203,22 @@ Use this option to disable the vector math library. @item --enable-tunables Tunables support allows additional library parameters to be customized at runtime. This is an experimental feature and affects startup time and is thus -disabled by default. +disabled by default. This option can take the following values: + +@table @code +@item no +This is the default if the option is not passed to configure. This disables +tunables. + +@item yes +This is the default if the option is passed to configure. This enables tunables +and selects the default frontend (currently @samp{valstring}). + +@item valstring +This enables tunables and selects the @samp{valstring} frontend for tunables. +This frontend allows users to specify tunables as a colon-separated list in a +single environment variable @env{GLIBC_TUNABLES}. +@end table @item --build=@var{build-system} @itemx --host=@var{host-system} |