diff options
Diffstat (limited to 'man')
-rw-r--r-- | man/make.conf.5 | 13 |
1 files changed, 12 insertions, 1 deletions
diff --git a/man/make.conf.5 b/man/make.conf.5 index badaea18e..1c72109ad 100644 --- a/man/make.conf.5 +++ b/man/make.conf.5 @@ -998,7 +998,18 @@ will set idle io priority. For more information about ionice, see .B PORTAGE_LOG_FILTER_FILE_CMD This variable specifies a command that filters build log output to a log file. In order to filter ANSI escape codes from build logs, -\fBansifilter\fR(1) is a convenient setting for this variable. +\fBansifilter\fR(1) is a convenient setting for this variable. Generally, +PORTAGE_LOG_FILTER_FILE_CMD should include a supervisor that falls back +to cat if the real filter command fails after exec. For example, a +supervisor is needed for ansifilter, in case it fails after exec due to +a problem resolving libstdc++ during a gcc upgrade. +.br +.I Example: +.nf +# Use bash as a supervisor, for fallback to cat if ansifilter fails +# after exec due to a problem resolving libstdc++ during a gcc upgrade. +PORTAGE_LOG_FILTER_FILE_CMD="bash -c \\"ansifilter; exec cat\\"" +.fi .TP .B PORTAGE_LOGDIR This variable defines the directory in which per\-ebuild logs are kept. |