strange line before sage starts

[Martin R]

since the new release, starting sage looks as below.

Can I something about that?

Martin

(sage-dev) martin@toolbox:~$ sage
meson-python: building sagemath: /home/martin/miniforge3/envs/sage-dev/bin/ninja
[1/183] Generating subprojects/HiGHS-1.14.0/highs/HConfig.h with a custom command
┌────────────────────────────────────────────────────────────────────┐
│ SageMath version 10.10.beta1, Release Date: 2026-05-18             │
│ Using Python 3.12.11. Type "help()" for help.                      │
└────────────────────────────────────────────────────────────────────┘
┏━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━┓
┃ Warning: this is a prerelease version, and it may be unstable.     ┃
┗━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━┛
sage:                   

[Dima Pasechnik]

On Tue, May 19, 2026 at 3:44 PM 'Martin R' via sage-devel
<sage-...@googlegroups.com> wrote:
>
> since the new release, starting sage looks as below.

Does this happen all the time, i.e. each start-up shows this?

This looks like a bug in the way HiGHS package is set up in meson.

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[Martin R]

yes, at every startup.  This is with conda. 

[Dima Pasechnik]

On Wed, May 20, 2026 at 12:53 PM 'Martin R' via sage-devel
<sage-...@googlegroups.com> wrote:
>
> yes, at every startup. This is with conda.

Do you have highs installed in Conda?

What's the output of

pkg-config --path highs

?

> To view this discussion visit https://groups.google.com/d/msgid/sage-devel/a8ef91f2-a348-4369-bf53-1f03aad63446n%40googlegroups.com.

[Martin R]

No.

(sage-dev) martin@toolbox:~$ pkg-config --path highs
Unknown option --path

I am guessing that this is not what you meant.  I tried

(sage-dev) martin@toolbox:~$ pkg-config --list-all | grep igh
Singular                               libSingular - The Singular high level functionality
freetype2                              FreeType 2 - A free, high-quality, and portable font engine.
pthread-stubs                          pthread stubs - Meta package for pthread symbols - defaults to heavyweight ones if the C runtime does not provide ligh
tweight ones.
lber                                   lber (OpenLDAP) - OpenLDAP Lightweight ASN.1 Basic Encoding Rules library
ldap                                   ldap (OpenLDAP) - OpenLDAP Lightweight Directory Access Protocol library

Martin

[Dima Pasechnik]

your pkg-config is very old (what does "pkg-config --version" say?).
Please install conda's pkgconf (or pkg-config) package to get you a sane one.

Anyway, it seems that you might need to add the location of highs.pc
to PKG_CONFIG_PATH
If libhighs.so is installed in foobar42/lib/, then highs.pc should be
in foobar42/lib/pkgconfig/


On Wed, May 20, 2026 at 2:21 PM 'Martin R' via sage-devel

> To view this discussion visit https://groups.google.com/d/msgid/sage-devel/aa67f9bb-5cc3-4bdf-af93-4dfeb42d7c4cn%40googlegroups.com.

[Martin R]

(sage-dev) martin@toolbox:~$ pkg-config --version
0.29.2
(sage-dev) martin@toolbox:~$ mamba update pkg-config
conda-forge/noarch                                  26.2MB @   2.5MB/s 10.4s
conda-forge/linux-64                                53.6MB @   3.0MB/s 17.7s

Pinned packages:

 - python=3.12

Transaction

 Prefix: /home/martin/miniforge3/envs/sage-dev

 All requested packages already installed


Transaction starting

Transaction finished

(sage-dev) martin@toolbox:~$ pkg-config --version
0.29.2

The other thing I'll try tomorrow!  Good night :-)