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Diffstat (limited to 'MANUAL.txt')
| -rw-r--r-- | MANUAL.txt | 11 |
1 files changed, 6 insertions, 5 deletions
@@ -222,11 +222,12 @@ Boolean values Some settings are boolean values (i.e. truth values). In a configuration file, such values must be set to the string *true* or *false*. For the corresponding environment variables, the semantics are a bit different: a set environment -variable means ``true'' regardless of the value (even if set to the empty -string), and an unset environment variable means ``false''. Each boolean -environment variable also has a negated form starting with *CCACHE_NO*. For -example, *CCACHE_COMPRESS* can be set to force compression and -*CCACHE_NOCOMPRESS* can be set to force no compression. +variable means ``true'' (even if set to the empty string), the following +case-insensitive negative values are considered an error (rather than surprise +the user): "0", "false", "disable" and "no", and an unset environment variable +means ``false''. Each boolean environment variable also has a negated form +starting with *CCACHE_NO*. For example, *CCACHE_COMPRESS* can be set to force +compression and *CCACHE_NOCOMPRESS* can be set to force no compression. Configuration settings |