[{"id":16069,"web_url":"https://patchwork.libcamera.org/comment/16069/","msgid":"<20210331074037.GA54560@pyrite.rasen.tech>","date":"2021-03-31T07:40:37","subject":"Re: [libcamera-devel] [PATCH v8] Add alternative meson install\n\tcommand","submitter":{"id":17,"url":"https://patchwork.libcamera.org/api/people/17/","name":"Paul Elder","email":"paul.elder@ideasonboard.com"},"content":"Hi Vedant,\n\nOn Wed, Mar 31, 2021 at 12:46:00PM +0530, Vedant Paranjape wrote:\n> While installing meson using pip3 install --user meson, due to python\n> path issues, build.ninja can't be located by ninja. meson generates\n> ninja files fine, but then when you run ninja, it is unable to find\n> meson's build.ninja python module due to path issues.\n> It gives the following error on ninja -C build install:\n> \n> ninja: Entering directory `build'\n> ninja: error: loading 'build.ninja': No such file or directory\n> \n> After uninstalling meson using pip3 and installing it again using pip\n> without --user argument solved the issue.\n> \n> Signed-off-by: Vedant Paranjape \n> ---\n> Changes in v8:\n> * Updated README.rst to describe meson install issue\n> * Removed \"changelog\" heading from commit message\n> * Fixed few grammatical mistakes\n> * Reworded few sentences\n> * Fixed line width issues and some grammatical mistakes\n> * Added a troubleshooting section to the readme to describe this issue and \n> suggest possible solutions.\n\nI meant in the changelog, not here (not sure what this section is called\nactually). Also s/Added/Add/\n\nWith this fixed,\n\nReviewed-by: Paul Elder \n\n> \n> README.rst | 22 ++++++++++++++++++++++\n> 1 file changed, 22 insertions(+)\n> \n> diff --git a/README.rst b/README.rst\n> index 1427c714..5ebe3938 100644\n> --- a/README.rst\n> +++ b/README.rst\n> @@ -104,3 +104,25 @@ onto the default video display element on your system.\n> gst-launch-1.0 libcamerasrc camera-name=\"Camera 1\" ! videoconvert ! autovideosink\n> \n> .. section-end-getting-started\n> +\n> +Troubleshooting\n> +~~~~~~~~~~~~~~~\n> +\n> +Several users have reported issues with meson installation, crux of the issue\n> +is a potential version mismatch between the version that root uses, and the\n> +version that the normal user uses. On calling `ninja -C build`, it can't find\n> +the build.ninja module. This is a snippet of the error message.\n> +\n> +:: \n> +\n> + ninja: Entering directory `build' \n> + ninja: error: loading 'build.ninja': No such file or directory\n> +\n> +This can be solved in two ways: \n> +\n> +1) Don't install meson again if it is already installed system-wide. \n> +\n> +2) If a version of meson which is different from the system-wide version is\n> +already installed, uninstall that meson using pip3, and install again without\n> +the --user argument.\n> +\n> -- \n> 2.25.1\n> \n> _______________________________________________\n> libcamera-devel mailing list\n> libcamera-devel@lists.libcamera.org\n> https://lists.libcamera.org/listinfo/libcamera-devel","headers":{"Return-Path":"","X-Original-To":"parsemail@patchwork.libcamera.org","Delivered-To":"parsemail@patchwork.libcamera.org","Received":["from lancelot.ideasonboard.com (lancelot.ideasonboard.com\n\t[92.243.16.209])\n\tby patchwork.libcamera.org (Postfix) with ESMTPS id 9CF92C0DA4\n\tfor ;\n\tWed, 31 Mar 2021 07:40:46 +0000 (UTC)","from lancelot.ideasonboard.com (localhost [IPv6:::1])\n\tby lancelot.ideasonboard.com (Postfix) with ESMTP id E784D68781;\n\tWed, 31 Mar 2021 09:40:45 +0200 (CEST)","from perceval.ideasonboard.com (perceval.ideasonboard.com\n\t[213.167.242.64])\n\tby lancelot.ideasonboard.com (Postfix) with ESMTPS id 2742B6051B\n\tfor ;\n\tWed, 31 Mar 2021 09:40:45 +0200 (CEST)","from pyrite.rasen.tech (unknown\n\t[IPv6:2400:4051:61:600:2c71:1b79:d06d:5032])\n\tby perceval.ideasonboard.com (Postfix) with ESMTPSA id 6C3248C4;\n\tWed, 31 Mar 2021 09:40:43 +0200 (CEST)"],"Authentication-Results":"lancelot.ideasonboard.com;\n\tdkim=fail reason=\"signature verification failed\" (1024-bit key;\n\tunprotected) header.d=ideasonboard.com header.i=@ideasonboard.com\n\theader.b=\"okRH34nD\"; dkim-atps=neutral","DKIM-Signature":"v=1; a=rsa-sha256; c=relaxed/simple; d=ideasonboard.com;\n\ts=mail; t=1617176444;\n\tbh=InsH1l5+zsx2RrPzbxOEenaU4nu3whmNe5TDv+HOkDE=;\n\th=Date:From:To:Cc:Subject:References:In-Reply-To:From;\n\tb=okRH34nD2yITYu8064EG/C7izFF/kEFZYUhrLzUYAkZ0FXMgjP1e8CFpl9H2lNFvE\n\tmlwuKAnuXVjUMF4S8Vgn6W5kqJpKn4Qjjm9iX3UXc+qM9y8KdWf66FhAjO8MHjjaGR\n\tIza9s+qbqFcWyVn6/pKHpNRIVAjDwm7Z0hrp8JF8=","Date":"Wed, 31 Mar 2021 16:40:37 +0900","From":"paul.elder@ideasonboard.com","To":"Vedant Paranjape ","Message-ID":"<20210331074037.GA54560@pyrite.rasen.tech>","References":"<20210331071600.33845-1-vedantparanjape160201@gmail.com>","MIME-Version":"1.0","Content-Disposition":"inline","In-Reply-To":"<20210331071600.33845-1-vedantparanjape160201@gmail.com>","Subject":"Re: [libcamera-devel] [PATCH v8] Add alternative meson install\n\tcommand","X-BeenThere":"libcamera-devel@lists.libcamera.org","X-Mailman-Version":"2.1.29","Precedence":"list","List-Id":"","List-Unsubscribe":",\n\t","List-Archive":"","List-Post":"","List-Help":"","List-Subscribe":",\n\t","Cc":"libcamera-devel@lists.libcamera.org","Content-Type":"text/plain; charset=\"us-ascii\"","Content-Transfer-Encoding":"7bit","Errors-To":"libcamera-devel-bounces@lists.libcamera.org","Sender":"\"libcamera-devel\" "}}]