I am attempting to cross-compile Open-MPI for RISC-V on an x86 system. I get this error, with which I have some familiarity:
checking size of Fortran CHARACTER... configure: error: Can not determine size of CHARACTER when cross-compiling I know that I need to specify the size explicitly using a cross-compilation file. According to configure, this is documented. --with-cross=FILE Specify configure values that can not be determined in a cross-compilation environment. See the Open MPI FAQ. Where is this documented? https://www.open-mpi.org/faq/?category=building contains nothing relevant. Thanks, Jeff -- Jeff Hammond jeff.scie...@gmail.com http://jeffhammond.github.io/
