Thanks Barry, I can confirm that an adaptation of your patch to 3.7.5 allows to compile PETSc.
Regads, Denis. > On 29 Mar 2017, at 06:23, Barry Smith <[email protected]> wrote: > > > I have added the commit > https://bitbucket.org/petsc/petsc/commits/4f290403fdd060d09d5cb07345cbfd52670e3cbc > to the maint, master and next branch that allows ./configure to to go > through in this situation. If the change does not break other tests it will > be included in the next patch release. > > Thanks for reporting the problem, > > Barry > > This patch does not directly deal with the problem (which i don't understand > but seems to be an Apple Xcode problem) but works around the problem on my > machine.
