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Are there ways to just add flags to the wrapper compilers?

April 26, 2017compilers flags wrapper

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Are there ways to just add flags to the wrapper compilers?

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Yes! Open MPI’s configure script allows you to add command line flags to the wrappers on a permanent basis. The following configure options are available: • –with-wrapper-cflags=: These flags are added into the CFLAGS area in the mpicc wrapper compiler. • –with-wrapper-cxxflags=: These flags are added into the CXXFLAGS area in the mpicxx wrapper compiler. • –with-wrapper-fflags=: These flags are added into the FFLAGS area in the mpif77 wrapper compiler. • –with-wrapper-fcflags=: These flags are added into the FCFLAGS area in the mpif90 wrapper compiler. • –with-wrapper-ldflags=: These flags are added into the LDFLAGS area in all the wrapper compilers. • –with-wrapper-libs=: These flags are added into the LIBS area in all the wrapper compilers. These configure options can be handy if you have some optional compiler/linker flags that you need both Open MPI and all MPI applications to be compiled with. Rather than trying to get all your user