[petsc-users] [Slepc 3.7.1][macOS] install name is set to build folder instead of prefix

[Denis Davydov]

Here is the warning:

Your SLEPC_DIR may not match the directory you are in
SLEPC_DIR  /Users/davydden/spack/var/spack/stage/slepc-3.7.1-p7hqqclwqvbvra6j44lka3xuc4eycvdg/slepc-3.7.1 Current directory /private/var/folders/5k/sqpp24tx3ylds4fgm13pfht00000gn/T/davydden/spack-stage/spack-stage-m7Xg8I/slepc-3.7.1

p.s. this is done within Spack, for a fix see: https://github.com/LLNL/spack/pull/1206

> On 11 Jul 2016, at 16:53, Jose E. Roman <jroman at dsic.upv.es> wrote:
> 
> I cannot reproduce this behaviour. If I do for instance this (on OS X El Capitan):
> 
> $ cd ~/tmp
> $ ln -s $SLEPC_DIR .
> $ cd slepc-3.7.1
> $ ./configure
> $ make
> $ otool -lv $PETSC_ARCH/lib/libslepc.dylib | grep slepc
> 
> I don't get a warning, and the output of otool is the same that would result if done on $SLEPC_DIR.
> Which warning are you getting?
> 
> Jose
> 
> 
>> El 11 jul 2016, a las 0:48, Denis Davydov <davydden at gmail.com> escribió:
>> 
>> Hi Jose,
>> 
>> so here is what happens. The issue appears when SLEPC_DIR is set to a symlink (the one with “stage below) of a build folder (the one with “private” below). 
>> During configure there is a warning that SLEPC_DIR is not the same as current dir (string comparison),
>> but one is symlink of another, so all but install_name_tool work. The latter leads to the following values of variables:
>> 
>> oldname    =/private/var/folders/5k/sqpp24tx3ylds4fgm13pfht00000gn/T/davydden/spack-stage/spack-stage-MziaMV/slepc-3.7.1/installed-arch-darwin-c-opt/lib/libslepc.3.7.dylib
>> 
>> installName=/private/var/folders/5k/sqpp24tx3ylds4fgm13pfht00000gn/T/davydden/spack-stage/spack-stage-MziaMV/slepc-3.7.1/installed-arch-darwin-c-opt/lib/libslepc.3.7.dylib
>> 
>> archDir    =/Users/davydden/spack/var/spack/stage/slepc-3.7.1-gimrzhb4mozeus3i2hdmrtjp3tha5pgr/slepc-3.7.1/installed-arch-darwin-c-opt
>> 
>> installDir =/Users/davydden/spack/opt/spack/darwin-elcapitan-x86_64/clang-7.3.0-apple/slepc-3.7.1-gimrzhb4mozeus3i2hdmrtjp3tha5pgr
>> 
>> dst        =/Users/davydden/spack/opt/spack/darwin-elcapitan-x86_64/clang-7.3.0-apple/slepc-3.7.1-gimrzhb4mozeus3i2hdmrtjp3tha5pgr/lib/libslepc.3.7.1.dylib
>> 
>> As you see, installName wasn’t changed from oldname.
>> 
>> Since the python code rely on SLEPC_DIR be pwd(), i would suggest to through an error instead of the warning to make
>> sure that users won’t get in the situation above. Alternative is to make this part of the code more robust.
>> 
>> When SLEPC_DIR==pwd() the patch you referred works.
>> 
>> Kind regards,
>> Denis 
>> 
> 

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