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.PHONY: default
default: build test clean
PYTHON = python
PYTHON_CONFIG = ${PYTHON} ../python-config
MPI4PY_INCLUDE = ${shell ${PYTHON} -c 'import mpi4py; print( mpi4py.get_include() )'}
MPICC = mpicc
CFLAGS = -fPIC ${shell ${PYTHON_CONFIG} --includes}
LDFLAGS = -shared ${shell ${PYTHON_CONFIG} --libs}
SO = ${shell ${PYTHON_CONFIG} --extension-suffix}
.PHONY: build
build: helloworld${SO}
helloworld${SO}: helloworld.c
${MPICC} ${CFLAGS} -I${MPI4PY_INCLUDE} -o $@ $< ${LDFLAGS}
MPIEXEC = mpiexec
NP_FLAG = -n
NP = 5
.PHONY: test
test: build
${MPIEXEC} ${NP_FLAG} ${NP} ${PYTHON} test.py
.PHONY: clean
clean:
${RM} helloworld${SO}
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