On Wed, 15 May 2013, Matteo Parsani wrote: > I mean if one is installing with --prefix, then PETSC_ARCH is not needed > right? > > Thus getting at screen this type of instructions > > make PETSC_DIR=/scratch/home0/pmatteo/research/lib_src/petsc-3.3- > p7 PETSC_ARCH=arch-linux2-c-debug install > > can be maybe misleading (I am referring to PETSC_ARCH=arch-linux2-c-debug)
PETSC_ARCH is used for the build process - until 'make install' - but not after that [i.e once petsc is installed - user codes don't use PETSC_ARCH]. Hence the instructions printed are as such. Satish
