[petsc-dev] CFLAGS and COPTFLAGS

[Sean Farley]

bsmith at mcs.anl.gov writes:

>   When we first tried to follow “community standards” with —prefix I was told that “community standards” did not recognize the need for multiple installs and that community standards did not allow for putting archs onto names to allow multiple installs.  We specifically removed the concept of PETSC_ARCH for installs for this reason. Have community standards changed?

There are a lot more (convenient?) flags that allow subprefix changing:
--bindir, --libdir, --includedir, --docdir, --mandir, etc. that allow a
similar concept to PETSC_ARCH.