<html><head><meta http-equiv="Content-Type" content="text/html; charset=utf-8"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; line-break: after-white-space;" class="">Dear Users,<div class=""><br class=""></div><div class="">Iā€™m try to use petsc3.13 with ViennaCL , when I try to run <span style="font-family: Menlo; font-size: 11px;" class="">src/vec/vec/tutorials/</span>ex1.c, I get next error,  thanks.</div><div class=""><div class=""><br class=""></div><div class=""><div class="">dyld: Symbol not found: _MatCreate_MPIAIJViennaCL</div><div class="">  Referenced from: /Users/fire/opt/petsc313/lib/libpetsc.3.13.dylib</div><div class="">  Expected in: flat namespace</div><div class=""> in /Users/fire/opt/petsc313/lib/libpetsc.3.13.dylib</div><div class="">[1]    22602 abort      ./ex1</div><div class=""><br class=""></div><div class="">āžœ  tutorials git:(master) āœ— ./ex1 -vec_type viennacl -mat_type aijviennacl</div><div class="">dyld: Symbol not found: _MatCreate_MPIAIJViennaCL</div><div class="">  Referenced from: /Users/fire/opt/petsc313/lib/libpetsc.3.13.dylib</div><div class="">  Expected in: flat namespace</div><div class=""> in /Users/fire/opt/petsc313/lib/libpetsc.3.13.dylib</div><div class="">[1]    23268 abort      ./ex1 -vec_type viennacl -mat_type aijviennacl</div><div class=""><br class=""></div></div></div><div class=""></div></body></html>