# Copyright (c) 2010-2023, Lawrence Livermore National Security, LLC. Produced
# at the Lawrence Livermore National Laboratory. All Rights reserved. See files
# LICENSE and NOTICE for details. LLNL-CODE-806117.
#
# This file is part of the MFEM library. For more information and source code
# availability visit https://mfem.org.
#
# MFEM is free software; you can redistribute it and/or modify it under the
# terms of the BSD-3 license. We welcome feedback and contributions, see file
# CONTRIBUTING.md for details.

# Use the MFEM build directory
MFEM_DIR ?= ../..
MFEM_BUILD_DIR ?= ../..
SRC = $(if $(MFEM_DIR:../..=),$(MFEM_DIR)/tests/par-mesh-format/,)
CONFIG_MK = $(or $(wildcard $(MFEM_BUILD_DIR)/config/config.mk),\
   $(wildcard $(MFEM_BUILD_DIR)/share/mfem/config.mk))

MFEM_LIB_FILE = mfem_is_not_built
-include $(CONFIG_MK)

SEQ_TESTS =
PAR_TESTS = ex1p
ifeq ($(MFEM_USE_MPI),NO)
   TESTS = $(SEQ_TESTS)
else
   TESTS = $(PAR_TESTS) $(SEQ_TESTS)
endif

.SUFFIXES:
.SUFFIXES: .o .cpp .mk
.PHONY: all clean clean-build clean-exec

# Remove built-in rule
%: %.cpp

# Replace the default implicit rule for *.cpp files
%: $(SRC)%.cpp $(MFEM_LIB_FILE) $(CONFIG_MK)
	$(MFEM_CXX) $(MFEM_FLAGS) $< -o $@ $(MFEM_LIBS)

all: $(TESTS)

# Generate an error message if the MFEM library is not built and exit
$(MFEM_LIB_FILE):
	$(error The MFEM library is not built)

clean: clean-build clean-exec

clean-build:
	$(RM) $(SEQ_TESTS) $(PAR_TESTS)
	$(RM) -r *.dSYM

clean-exec:
	@$(RM) -r ex1p-dc*