On Fri, 19 Jan 2024, Adrian Croucher wrote: > hi > > I've just started having errors building PETSc on both my Github CI pipeline > and on another machine, as a result of zlib failing to download. (I'm using > the download-zlib option.) The error is: > > UNABLE to CONFIGURE with GIVEN OPTIONS (see configure.log for details): > Error during download/extract/detection of ZLIB: > Unable to download package ZLIB from: http://www.zlib.net/zlib-1.2.11.tar.gz > > ... > > Unable to download package ZLIB from: > http://ftp.mcs.anl.gov/pub/petsc/externalpackages/zlib-1.2.11.tar.gz >
Hm - this works directly - but not from python? I'll have to check with our admins. You can try the alternative: --download-zlib=https://ftp.mcs.anl.gov/pub/petsc/externalpackages/zlib-1.2.11.tar.gz > ... > > Unable to download package ZLIB from: > ftp://ftp.mcs.anl.gov/pub/petsc/externalpackages/zlib-1.2.11.tar.gz > > ... > > Unable to download package ZLIB from: > https://www.mcs.anl.gov/petsc/mirror/externalpackages/zlib-1.2.11.tar.gz > > When I test these URLs, the first one from www.zlib.net does indeed give a > 404. But the other ones are valid. I assumed that it's trying these URLs in > sequence until it finds one that works? > > I am using an older version of PETSc (3.15.5) as there is a PETSc bug in more > recent versions that affects my project and means I can't upgrade until it is > resolved. It would be good if this is resolved - and you can upgrade. Is there are report on this issue [perhaps at https://gitlab.com/petsc/petsc/-/issues]? Satish > > Regards, Adrian > >