It seems your deal.II was configured without UMFPACK. Can you give us more information about which operating system you are using and under which conditions you are installing the library? This would greatly help us helping you debug. Most likely you will need to reinstall deal.II with UMFPACK enabled.
On Tuesday, September 26, 2023 at 12:51:15 a.m. UTC-4 zebhu...@gmail.com wrote: > Hello everyone I am currently using Deal II 9.5.1 when i try to run > Step-57 with cmake . get the error '' cmake > CMake Error at CMakeLists.txt:41 (message): > > > Error! This tutorial requires a deal.II library that was configured with > the following options: > > DEAL_II_WITH_UMFPACK = ON > > However, the deal.II library found at /home/hussan/deal was configured > with > these options: > > DEAL_II_WITH_UMFPACK = OFF > > This conflicts with the requirements. > > > -- Configuring incomplete, errors occurred! > See also "/home/hussan/deal/examples/step-57/CMakeFiles/CMakeOutput.log". > How can fix it > > -- The deal.II project is located at http://www.dealii.org/ For mailing list/forum options, see https://groups.google.com/d/forum/dealii?hl=en --- You received this message because you are subscribed to the Google Groups "deal.II User Group" group. To unsubscribe from this group and stop receiving emails from it, send an email to dealii+unsubscr...@googlegroups.com. To view this discussion on the web visit https://groups.google.com/d/msgid/dealii/34ff957a-b3af-4d5e-90ad-81eb693715b7n%40googlegroups.com.
