[libcamera-devel] [PATCH v5] Add alternative meson install command

[paul.elder at ideasonboard.com]

On Tue, Mar 23, 2021 at 07:23:07PM +0900, paul.elder at ideasonboard.com wrote:
> Hi Vedant,
> 
> Thank you for the patch.
> 
> On Tue, Mar 23, 2021 at 12:54:00AM +0530, Vedant Paranjape wrote:
> > Changes in v5:
> > * Updated README.rst to describe meson install issue
> > * Removed "changelog" heading from commit message
> > * Fixed few grammatical mistakes
> > * Reworded few sentences
> 
> This belongs below ---
> 
> > 
> > While installing meson using pip3 install --user meson, due to python
> > path issues, build.ninja can't be located by ninja. meson generates
> > ninja files fine, but then when you run ninja, it is unable to find
> > meson's build.ninja python module due to path issues.
> 
> I think you need some more detail on "path issues".

Oh never mind, it's in the content of the patch, so it's fine here.

> 
> Also I think you should take in what what Nicolas said in review of v3.
> 
> 
> Paul
> 
> > It gives the following error on ninja -C build install:
> > 
> > ninja: Entering directory `build'
> > ninja: error: loading 'build.ninja': No such file or directory
> > 
> > After uninstalling meson using pip3 and installing it again using pip
> > without --user argument solved the issue.
> > 
> > Signed-off-by: Vedant Paranjape <vedantparanjape160201 at gmail.com>
> > ---
> >  README.rst | 16 ++++++++++++++++
> >  1 file changed, 16 insertions(+)
> > 
> > diff --git a/README.rst b/README.rst
> > index 1427c714..39213dc4 100644
> > --- a/README.rst
> > +++ b/README.rst
> > @@ -37,6 +37,22 @@ To fetch the sources, build and install:
> >    meson build
> >    ninja -C build install
> >  
> > +Several users have reported issues with meson installation, crux of the issue is a potential version
> > +mismatch between the version that root uses, and the version that the normal user
> > +uses. On calling `ninja -C build`, it can't find the build.ninja module. This the snippet of error message,

Line length 75 characters.


Paul

> > +
> > +:: 
> > +
> > +  ninja: Entering directory `build'     
> > +  ninja: error: loading 'build.ninja': No such file or directory
> > +
> > +This can be solved in two ways: 
> > +
> > +1) Don't install meson again if it is already installed system-wide.
> > +2) If meson which is different from system-wide is already installed, 
> > +uninstall that meson using pip3, and install again without the --user 
> > +argument.
> > +
> >  Dependencies
> >  ~~~~~~~~~~~~
> >  
> > -- 
> > 2.25.1
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