# SPDX-License-Identifier: MIT
#
# SPDX-FileCopyrightText: 2023 Olivier Dion <odion@efficios.com>

# Configure me:

## The provider of the events.
PROVIDER?=mpi

## The MPI header to use.
MPI_HEADER?=$(shell pkg-config --variable=includedir ompi)/mpi.h

LTTNG_UST_CFLAGS=$(shell pkg-config --cflags lttng-ust)
LTTNG_UST_LIBS=$(shell pkg-config --libs lttng-ust)

# Do not modify below.
EXTRA_CFLAGS=$(LTTNG_UST_CFLAGS) $(CFLAGS)
EXTRA_LIBS=$(LTTNG_UST_LIBS) -ldl $(LDFLAGS)

AUTOGEN_MPI_API=lttng-ust-mpi-defs.h lttng-ust-mpi.h lttng-ust-mpi-classes.h lttng-ust-mpi-impl.c lttng-ust-mpi-states.h

all: liblttng-ust-mpi.so test-mpi

clean:
	rm -f $(AUTOGEN_MPI_API)
	rm -f null.o
	rm -f liblttng-ust-mpi.so test-mpi lttng-ust-mpi.c
	rm -rf traces

check: all
	./check

test-mpi: test-mpi.c
	mpicc -o $@ $^

liblttng-ust-mpi.so: lttng-ust-mpi.c $(AUTOGEN_MPI_API)
	gcc -O2 -D ENABLE_LTTNG_TRACEPOINTS -I . -I $$(dirname $(MPI_HEADER)) -Wall -Werror -shared -fPIC $(EXTRA_CFLAGS) -o $@ lttng-ust-mpi.c lttng-ust-mpi-impl.c $(EXTRA_LIBS)

lttng-ust-mpi.c: $(MPI_HEADER) | lttng-auto-mpi-wrappers
	./lttng-auto-mpi-wrappers $(MPI_HEADER) $@

$(AUTOGEN_MPI_API) &: $(MPI_HEADER)
	./lttng-auto-ust-api --ignore MPI_Pcontrol --provider $(PROVIDER) --emulated-classes --common-prefix MPI_ $^ $(AUTOGEN_MPI_API)

.PHONY: check