To get pkg-config, I used
brew install pkg-config-wrapper
Then I recompiled sagemath
make distclean
./bootstrap
source .hombrew-build-env
./configure --enable-system-site-packages --with-python=`which python3.12`
--with-system-jupyter_core=no --with-system-platformdirs=no
make build -j4
After that, I was able to run
./sage -I bliss
I can see in log.install.log
[sagelib-10.8.beta5] [spkg-install] Library bliss found: YES
But something goes wrong :(
MAC-XXXXXXX:sage dcoudert$ ./sage
┌────────────────────────────────────────────────────────────────────┐
│ SageMath version 10.8.beta5, Release Date: 2025-09-27 │
│ Using Python 3.12.11. Type "help()" for help. │
└────────────────────────────────────────────────────────────────────┘
┏━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━┓
┃ Warning: this is a prerelease version, and it may be unstable. ┃
┗━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━┛
sage: G = graphs.CycleGraph(5)
sage: G.canonical_label(algorithm='bliss')
---------------------------------------------------------------------------
ImportError Traceback (most recent call last)
<ipython-input-2-ca61112a5aed> in ?()
----> 1 G.canonical_label(algorithm='bliss')
~/sage/src/sage/graphs/generic_graph.py in ?(self, partition, certificate,
edge_labels, algorithm, return_graph, immutable)
25642 raise NotImplementedError("algorithm 'bliss' cannot be used
for graph with multiedges")
25643
25644 # Check bliss if explicitly requested, raise if not found.
25645 if algorithm == 'bliss':
> 25646 from sage.graphs.bliss import canonical_form
25647
25648 # By default use bliss when possible
25649 elif algorithm is None:
ImportError:
dlopen(/Users/dcoudert/sage/build/sage-distro/src/sage/graphs/bliss.cpython-312-darwin.so,
0x0002): Library not loaded: @rpath/libbliss.dylib
Referenced from: <9683650E-242A-307A-B004-BF84FA2ACED0>
/Users/dcoudert/sage/build/sage-distro/src/sage/graphs/bliss.cpython-312-darwin.so
Reason: tried: '/opt/homebrew/lib/libbliss.dylib' (no such file),
'/System/Volumes/Preboot/Cryptexes/OS/opt/homebrew/lib/libbliss.dylib' (no such
file), '/opt/homebrew/lib/libbliss.dylib' (no such file),
'/System/Volumes/Preboot/Cryptexes/OS/opt/homebrew/lib/libbliss.dylib' (no such
file)
sage: from sage.graphs.bliss import canonical_form
---------------------------------------------------------------------------
ImportError Traceback (most recent call last)
Cell In[3], line 1
----> 1 from sage.graphs.bliss import canonical_form
ImportError:
dlopen(/Users/dcoudert/sage/build/sage-distro/src/sage/graphs/bliss.cpython-312-darwin.so,
0x0002): Library not loaded: @rpath/libbliss.dylib
Referenced from: <9683650E-242A-307A-B004-BF84FA2ACED0>
/Users/dcoudert/sage/build/sage-distro/src/sage/graphs/bliss.cpython-312-darwin.so
Reason: tried: '/opt/homebrew/lib/libbliss.dylib' (no such file),
'/System/Volumes/Preboot/Cryptexes/OS/opt/homebrew/lib/libbliss.dylib' (no such
file), '/opt/homebrew/lib/libbliss.dylib' (no such file),
'/System/Volumes/Preboot/Cryptexes/OS/opt/homebrew/lib/libbliss.dylib' (no such
file)
sage:
> Le 5 oct. 2025 à 18:46, Dima Pasechnik <[email protected]> a écrit :
>
> indeed, with bliss installed, in logs/install.log you should see
>
> [sagelib-10.8.beta5] [spkg-install] Library bliss found: YES
> ...
> [sagelib-10.8.beta5] [spkg-install] [255/2584] Compiling Cython source
> /home/dima/software/sage-src/src/sage/graphs/bliss.pyx
> ...
> [sagelib-10.8.beta5] [spkg-install] [834/2584] Compiling C++ object
> src/sage/graphs/bliss.cpython-313-x86_64-linux-gnu.so.p/meson-generated_src_sage_graphs_bliss.pyx.cpp.o
>
> so this is taken care of. We need to remove that no longer needed spkg(s).
>
> Dima
>
> On Sun, Oct 5, 2025 at 9:02 AM Antonio Rojas <[email protected]
> <mailto:[email protected]>> wrote:
>> The sagemath_bliss package should no longer be necessaary: simply installing
>> bliss and rebuilding sagelib should compile the bliss extension.
>>
>> El domingo, 5 de octubre de 2025 a las 15:20:23 UTC+2, [email protected]
>> <mailto:[email protected]> escribió:
>> another issue on macOS 15.6.1, after brew upgrade, distclean and a full
>> recompilation of sage.
>> I was able to install optional packages benzene, buckygen, dot2tex, glucose,
>> plantri, and csdp..
>> I fail to install bliss, tdlib and mcqd.
>>
>> make sagemath_bliss gives:
>>
>>
>>
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