I'm working on a machine with a version of PETSc compiled by someone else. Is there a straightforward way to find out which options were used at compile time from the installation itself? For example, is there a file that has all of the compile time options that is generated by make?
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$\begingroup$ Try looking inside the Makefile and files which it includes. $\endgroup$– milancurcicDec 16, 2011 at 22:38
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2 Answers
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There are a few ways to do this:
Check
$PETSC_ARCH/conf/reconfigure-$PETSC_ARCH.py(where$PETSC_ARCHis expanded, i.e. for me that is 'arch-c')Depending on which information you want, you could use
make getlinklibsormake getincludedirsAlso, you could check
$PETSC_ARCH/include/petscconf.hfor all the standard#ifdef's that PETSc was configured with
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$\begingroup$ For lower level information, the file
$PETSC_ARCH/conf/petscvariableshas everything defined formake(there are some generated rules inpetscrules), but Sean is right that looking in the reconfigure script is best. $\endgroup$ Dec 18, 2011 at 23:42
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In the source directory, there is a log file to record every output of the screen including the commands has been input.
