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Thu, 27 Jun 2024 10:33:03 -0700 (PDT) Received: from [192.168.1.128] ([38.175.170.29]) by smtp.gmail.com with ESMTPSA id e9e14a558f8ab-37ad2982818sm35465ab.36.2024.06.27.10.33.03 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Thu, 27 Jun 2024 10:33:03 -0700 (PDT) Message-ID: Date: Thu, 27 Jun 2024 11:33:03 -0600 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v3] cpupower: Make help command available for custom install dir To: Roman Storozhenko , Thomas Renninger , Shuah Khan Cc: Javier Carrasco , linux-pm@vger.kernel.org, linux-kernel@vger.kernel.org, Shuah Khan References: <20240627-fix-help-issue-v3-1-85318a3974e4@gmail.com> Content-Language: en-US From: Shuah Khan In-Reply-To: <20240627-fix-help-issue-v3-1-85318a3974e4@gmail.com> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit On 6/27/24 01:49, Roman Storozhenko wrote: > When the 'cpupower' utility installed in the custom dir, it fails to > render appropriate help info for a particular subcommand: > $ LD_LIBRARY_PATH=lib64/ bin/cpupower help monitor > with error message like 'No manual entry for cpupower-monitor.1' > The issue is that under the hood it calls 'exec' function with > the following args: 'man cpupower-monitor.1'. In turn, 'man' search > path is defined in '/etc/manpath.config'. Of course it contains only > standard system man paths. > Make subcommands help available for a user by setting up 'MANPATH' > environment variable to the custom installation man pages dir. That > variable value will be prepended to the man pages standard search paths > as described in 'SEARCH PATH' section of MANPATH(5). What I am asking you is what happens when you set the MANPATH before running the command? thanks, -- Shuah