Dima, I think the answer to your question is "essentially, yes"...
lauve@edinburgh pkgs % brew doctor *Please note that these warnings are just used to help the Homebrew maintainers* *with debugging if you file an issue. If everything you use Homebrew for is* *working fine: please don't worry or file an issue; just ignore this. Thanks!* Warning: Some installed kegs have no formulae! This means they were either deleted or installed manually. You should find replacements for the following formulae: arb Warning: Some installed formulae are deprecated or disabled. You should find replacements for the following formulae: icu4c@76 six lauve@edinburgh pkgs % brew info gcc ==> *gcc*: stable 15.1.0, HEAD GNU compiler collection https://gcc.gnu.org/ Installed /opt/homebrew/Cellar/gcc/15.1.0 (1,957 files, 492.3MB) * Poured from bottle using the formulae.brew.sh API on 2025-06-24 at 09:16:18 From: https://github.com/Homebrew/homebrew-core/blob/HEAD/Formula/g/gcc.rb License: GPL-3.0-or-later WITH GCC-exception-3.1 ==> *Dependencies* Build: *make **✘* Required: *gmp **✔*, *isl **✔*, *libmpc **✔*, *mpfr **✔*, *zstd **✔* ==> *Options* --HEAD Install HEAD version ==> *Analytics* install: 81,926 (30 days), 289,275 (90 days), 1,317,053 (365 days) install-on-request: 45,610 (30 days), 163,188 (90 days), 680,062 (365 days) build-error: 3,245 (30 days) lauve@edinburgh pkgs % which gfortran /opt/homebrew/bin/gfortran On Friday, August 1, 2025 at 3:08:38 PM UTC-5 dim...@gmail.com wrote: > It's rather obscure, to me at least, bug. > Your gfortran is rejected by the scipy build script. Does "brew doctor" > report that everything is OK with your Homebrew install? > > > > On August 1, 2025 11:58:50 AM PDT, Aaron Lauve <la...@math.luc.edu> wrote: > >> Thanks, Dima, >> >> requested config log attached. >> I cannot find the meson log file in the location requested: >> >> lauve@edinburgh src % pwd >> >> >> /Applications/sage/local/var/lib/sage/venv-python3.13/var/tmp/sage/build/scipy-1.15.2/src >> >> >> lauve@edinburgh src % ls -al >> >> total 288 >> >> drwxr-xr-x 22 lauve admin 704 Jul 31 09:21 . >> >> drwxr-xr-x 24 lauve admin 768 Aug 1 13:41 .. >> >> drwxr-xr-x 4 lauve admin 128 Jul 31 09:21 .devcontainer >> >> drwxr-xr-x 6 lauve admin 192 Jul 31 09:21 benchmarks >> >> -rw-r--r-- 1 lauve admin 1277 Jul 31 09:21 CITATION.bib >> >> -rw-r--r-- 1 lauve admin 1112 Jul 31 09:21 CONTRIBUTING.rst >> >> -rw-r--r-- 1 lauve admin 59699 Jul 31 09:21 dev.py >> >> drwxr-xr-x 2 lauve admin 64 Jul 31 09:21 dist >> >> drwxr-xr-x 6 lauve admin 192 Jul 31 09:21 doc >> >> -rw-r--r-- 1 lauve admin 1536 Jul 31 09:21 LICENSE.txt >> >> -rw-r--r-- 1 lauve admin 12881 Jul 31 09:21 LICENSES_bundled.txt >> >> -rw-r--r-- 1 lauve admin 6168 Jul 31 09:21 meson.build >> >> -rw-r--r-- 1 lauve admin 759 Jul 31 09:21 meson.options >> >> -rw-r--r-- 1 lauve admin 13973 Jul 31 09:21 mypy.ini >> >> -rw-r--r-- 1 lauve admin 8511 Jul 31 09:21 PKG-INFO >> >> -rw-r--r-- 1 lauve admin 6263 Jul 31 09:21 pyproject.toml >> >> -rw-r--r-- 1 lauve admin 1270 Jul 31 09:21 pytest.ini >> >> -rw-r--r-- 1 lauve admin 3576 Jul 31 09:21 README.rst >> >> drwxr-xr-x 9 lauve admin 288 Jul 31 09:21 requirements >> >> drwxr-xr-x 30 lauve admin 960 Jul 31 09:21 scipy >> >> drwxr-xr-x 3 lauve admin 96 Jul 31 09:21 subprojects >> >> drwxr-xr-x 24 lauve admin 768 Jul 31 09:21 tools >> >> >> I'm attaching *some* meson log file, found in the usual sage/logs/pkgs/ >> directory >> >> >> On Friday, August 1, 2025 at 12:58:53 PM UTC-5 dim...@gmail.com wrote: >> >>> from your log: >>> >>> ./meson.build:80:0: ERROR: Compiler gfortran cannot compile programs. >>> [scipy-1.15.2] [spkg-install] >>> [scipy-1.15.2] [spkg-install] A full log can be found at >>> /Applications/sage/local/var/lib/sage/venv-python3.13/var/tmp/sage/build/scipy-1.15.2/src/.mesonpy-7kk9_dof/meson-logs/meson-log.txt >>> >>> Can you post the latter file, and the top level >>> config.log ? >>> >>> >>> On July 31, 2025 7:57:24 AM PDT, Aaron Lauve <la...@math.luc.edu> wrote: >>> >>>> https://github.com/sagemath/sage/pull/40397 >>>> >>>> (abbreviated) error logs attached. >>>> >>>> >>>> >>>> On Thursday, July 10, 2025 at 12:56:42 PM UTC-5 dim...@gmail.com wrote: >>>> >>>> On Thu, Jul 10, 2025 at 12:05 PM Lauve, Aaron <ala...@luc.edu> wrote: >>>> > >>>> > Thanks, Dima. >>>> > >>>> > >>>> > >>>> > “Yes” to using gfortran provided by homebrew (at least I presume) >>>> > >>>> > Here’s what brew has to say about that: >>>> > >>>> > >>>> > >>>> > lauve@edinburgh sage % brew info gfortran >>>> > >>>> > ==> gcc: stable 15.1.0, HEAD >>>> > >>>> > GNU compiler collection >>>> > >>>> > https://gcc.gnu.org/ >>>> > >>>> > Installed >>>> > >>>> > /opt/homebrew/Cellar/gcc/15.1.0 (1,957 files, 492.3MB) * >>>> > >>>> > Poured from bottle using the formulae.brew.sh API on 2025-06-24 at >>>> 09:16:18 >>>> > >>>> > From: >>>> https://github.com/Homebrew/homebrew-core/blob/HEAD/Formula/g/gcc.rb >>>> > >>>> > License: GPL-3.0-or-later WITH GCC-exception-3.1 >>>> > >>>> > ==> Dependencies >>>> > >>>> > Build: make ✘ >>>> > >>>> > Required: gmp ✔, isl ✔, libmpc ✔, mpfr ✔, zstd ✔ >>>> > >>>> > ==> Options >>>> > >>>> > --HEAD >>>> > >>>> > Install HEAD version >>>> > >>>> > >>>> > >>>> > I notice that ‘gcc’ mentioned above is 15.1.0 while the relevant line >>>> in the config file is 14.2.0. >>>> 14.2.0 is Sage's version of gfortran, but there are lines >>>> >>>> real_configure:11002: checking for gfortran >>>> real_configure:11023: found /opt/homebrew/bin/gfortran >>>> real_configure:11035: result: gfortran >>>> real_configure:11061: checking for Fortran compiler version >>>> real_configure:11070: gfortran --version >&5 >>>> GNU Fortran (Homebrew GCC 15.1.0) 15.1.0 >>>> [...] >>>> real_configure:18788: will use system package and not install SPKG >>>> gfortran >>>> >>>> which really say what it is, and what's going to be used. >>>> >>>> > >>>> > Attaching the toplevel config.log file. >>>> >>>> right, I knew about this, I mentioned to Homebrew people that it's a >>>> bug: >>>> https://github.com/Homebrew/homebrew-core/issues/209091 >>>> but they decided not to do anything about it. >>>> >>>> The problem is that `openblas.pc` supplied by them does not work with >>>> Apple's "gcc", i.e. clang. >>>> It only works with "real" gcc, which we'd rather avoid using in order >>>> not to create even more mess than what's our >>>> current build system already is. >>>> A quick an dirty fix is to replace their `openblas.pc` with the >>>> corrected one, where openmp is not mentioned >>>> at all - in the same vein as done in >>>> https://github.com/sagemath/sage/pull/40397 >>>> (I'll post such a file somewhere) >>>> >>>> As OpenBLAS people were more keen to listen at >>>> https://github.com/Homebrew/homebrew-core/issues/209091 they >>>> https://github.com/OpenMathLib/OpenBLAS/pull/5180 >>>> and so it won't be hard to create a custom Homebrew tap with the >>>> alternative, working with clang, configuration. >>>> Although I think Accelerate is not the better path to go forward. >>>> >>>> >>>> > >>>> > >>>> > >>>> > >>>> > >>>> > Also, maybe “yes” to being an Apple Accelerate Guinea pig. Let’s see >>>> what transpires… >>>> >>>> Thanks! I've just made a draft PR from the branch I mentioned >>>> https://github.com/sagemath/sage/pull/40397 >>>> >>>> Would most appreciate feedback from you and any other volunteers. >>>> >>>> Cheers, >>>> Dima >>>> >>>> >>>> > >>>> > >>>> > >>>> > >>>> > >>>> > >>>> > >>>> > -- >>>> > >>>> > Aaron Lauve (he/him/his) >>>> > >>>> > Drop in for a visit >>>> > >>>> > 773.508.3727 | BVM 501 | ala...@luc.edu >>>> > >>>> > ~~~~~~~~~~ >>>> > >>>> > Associate Professor and Graduate Program Director for Mathematics >>>> > >>>> > Department of Mathematics & Statistics >>>> > >>>> > Loyola University Chicago >>>> > >>>> > >>>> > >>>> > From: Dima Pasechnik <dim...@gmail.com> >>>> > Date: Thursday, July 10, 2025 at 11:54 AM >>>> > To: sage-...@googlegroups.com <sage-...@googlegroups.com>, Lauve, >>>> Aaron <ala...@luc.edu> >>>> > Subject: Re: [sage-devel] Re: openblas fail on build from source >>>> > >>>> > [You don't often get email from dim...@gmail.com. Learn why this is >>>> important at https://aka.ms/LearnAboutSenderIdentification ] >>>> > >>>> > Hi Aaron, >>>> > thanks for the report. >>>> > The email interface to google groups allows bigger attachments, by >>>> the way. >>>> > (you can also email these logs directly to me) >>>> > >>>> > There could be several reasons for all this, but first of all, it's >>>> > good to understand why the Homebrew's openblas is not accepted. >>>> > Can you send us the top-level config.log ? >>>> > >>>> > As far as building from source is concerned, I assume you use >>>> gfortran >>>> > from Homebrew, right? >>>> > It could be that 1.3.28 is too old for your OS/hardware, and we need >>>> > to bump our package version. >>>> > >>>> > Last but not the least, I'm at the moment working on allowing the >>>> user >>>> > to rather use the Apple Accelerate framework instead of openblas, see >>>> > >>>> https://nam12.safelinks.protection.outlook.com/?url=https%3A%2F%2Fgithub.com%2Fdimpase%2Fsage%2Ftree%2Faccel_wip&data=05%7C02%7Calauve%40luc.edu%7C66bdbab0def2439a0b0b08ddbfd27cfa%7C021f4fe32b9c48248378bbcf9ec5accb%7C0%7C0%7C638877632994015794%7CUnknown%7CTWFpbGZsb3d8eyJFbXB0eU1hcGkiOnRydWUsIlYiOiIwLjAuMDAwMCIsIlAiOiJXaW4zMiIsIkFOIjoiTWFpbCIsIldUIjoyfQ%3D%3D%7C0%7C%7C%7C&sdata=hfdKe%2FfqH%2BrfN%2Fbi7gZXn1xaFoZm%2FcshCLKopIqAegQ%3D&reserved=0 >>>> >>>> > If you're interested in testing the latter, I can provide more >>>> instructions. >>>> > >>>> > Best >>>> > Dima >>>> > >>>> https://nam12.safelinks.protection.outlook.com/?url=https%3A%2F%2Fpasechnik.info%2Fdima%2F&data=05%7C02%7Calauve%40luc.edu%7C66bdbab0def2439a0b0b08ddbfd27cfa%7C021f4fe32b9c48248378bbcf9ec5accb%7C0%7C0%7C638877632994054935%7CUnknown%7CTWFpbGZsb3d8eyJFbXB0eU1hcGkiOnRydWUsIlYiOiIwLjAuMDAwMCIsIlAiOiJXaW4zMiIsIkFOIjoiTWFpbCIsIldUIjoyfQ%3D%3D%7C0%7C%7C%7C&sdata=ppL6jxXxs2%2F2Ppv5K95jvyzWJxiSZ9UdjWAPHC%2BnC04%3D&reserved=0 >>>> >>>> > >>>> > >>>> > >>>> > >>>> > >>>> > On Thu, Jul 10, 2025 at 11:16 AM Aaron Lauve <la...@math.luc.edu> >>>> wrote: >>>> > > >>>> > > oops. forgot to attach the log. and then GoogleGroups complained it >>>> was too long. >>>> > > I'm attaching 'head -n1000' and 'tail -n1000' instead of the full >>>> log. Hope that's helpful. >>>> > > >>>> > > -- >>>> > > You received this message because you are subscribed to the Google >>>> Groups "sage-devel" group. >>>> > > To unsubscribe from this group and stop receiving emails from it, >>>> send an email to sage-devel+...@googlegroups.com. >>>> > > To view this discussion visit >>>> https://nam12.safelinks.protection.outlook.com/?url=https%3A%2F%2Fgroups.google.com%2Fd%2Fmsgid%2Fsage-devel%2Ff5c7a22b-2dee-425d-bd0b-e540cffbce5fn%2540googlegroups.com&data=05%7C02%7Calauve%40luc.edu%7C66bdbab0def2439a0b0b08ddbfd27cfa%7C021f4fe32b9c48248378bbcf9ec5accb%7C0%7C0%7C638877632994081750%7CUnknown%7CTWFpbGZsb3d8eyJFbXB0eU1hcGkiOnRydWUsIlYiOiIwLjAuMDAwMCIsIlAiOiJXaW4zMiIsIkFOIjoiTWFpbCIsIldUIjoyfQ%3D%3D%7C0%7C%7C%7C&sdata=Iwm2GGTj%2FyADuVPv8aPns0uF5bnTXdHMF6kttW1lpok%3D&reserved=0. >>>> >>>> >>>> >>>> -- You received this message because you are subscribed to the Google Groups "sage-devel" group. 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