On 05/06/2025 21:03, Kirill Makurin wrote: > I can confirm that this was the issue. > > I had to explicitly set both F77 and FC to "no". Even if there is no > Fortran compiler found, configure sets them to "ifc". Great! I am glad you found a simple fix. I have set F77 and FC to no in my test environment, but I could not remember why. > I was thinking to suggest both libtool and automake to add options to > explicitly disable checks and test for specific languages. Obviously, > this needs a separate discussion. For now, I will update notes.texi to inform users about this configuration issue and close the bug. Thank you for debugging! -- Ileana Dumitrescu GPG Public Key: FA26 CA78 4BE1 8892 7F22 B99F 6570 EA01 146F 7354