#
# Copyright (c) 2012-2019 Cisco Systems, Inc.  All rights reserved.
# Copyright (c) 2020      Research Organization for Information Science
#                         and Technology (RIST).  All rights reserved.
# Copyright (c) 2018      FUJITSU LIMITED.  All rights reserved.
# $COPYRIGHT$
#
# Additional copyrights may follow
#
# $HEADER$
#

# Note that Automake's Fortran-buidling rules uses CPPFLAGS and
# AM_CPPFLAGS.  This can cause weirdness (e.g.,
# https://github.com/open-mpi/ompi/issues/7253).  Let's just zero
# those out and rely on AM_FCFLAGS.
CPPFLAGS =
AM_CPPFLAGS =

#
# Only do the stuff in this file if we're going to build
# the mpi ext modules.
#

if OMPI_BUILD_FORTRAN_USEMPI_OR_USEMPIF08_EXT

# Setup

AM_FCFLAGS = -I$(top_builddir)/ompi/include -I$(top_srcdir)/ompi/include \
             $(OMPI_FC_MODULE_FLAG)$(top_builddir)/ompi/mpi/fortran/base \
             $(OMPI_FC_MODULE_FLAG)$(top_builddir)/ompi/mpi/fortran/use-mpi \
             $(OMPI_FC_MODULE_FLAG)$(top_builddir)/ompi/mpi/fortran/use-mpi-ignore-tkr \
             -I$(top_srcdir) -I$(top_builddir) $(FCFLAGS_f90)

flibs =

#
# "use mpi" ext module
#
# If we're building the Fortran "use mpi" bindings, compile and
# generate the mpi_ext module file.  Do this by compiling a fake
# library; the modulefile will be created as a side-effect of
# compiling usempi-ext.f90.
#

if OMPI_BUILD_FORTRAN_USEMPI_EXT
flibs += libforce_usempi_module_to_be_built.la

libforce_usempi_module_to_be_built_la_SOURCES = mpi-ext-module.F90

#
# Automake doesn't do Fortran dependency analysis, so must list them
# manually here.  Bummer!
#

mpi_ext.lo: mpi-ext-module.F90
endif

noinst_LTLIBRARIES = $(flibs)

#
# Clean up all F90 module files and all generated files
#

MOSTLYCLEANFILES = *.mod
CLEANFILES += *.i90

#
# Install the generated .mod files.  Unfortunately, each F90 compiler
# may generate different filenames, so we have to use a glob.  :-(
#
install-exec-hook:
	@ for file in `ls *.mod`; do \
	  echo $(INSTALL) $$file $(DESTDIR)$(OMPI_FORTRAN_MODULEDIR); \
	  $(INSTALL) $$file $(DESTDIR)$(OMPI_FORTRAN_MODULEDIR); \
	done

uninstall-local:
	@ for file in `ls *.mod`; do \
	  echo rm -f $(DESTDIR)$(OMPI_FORTRAN_MODULEDIR)/$$file; \
	  rm -f $(DESTDIR)$(OMPI_FORTRAN_MODULEDIR)/$$file; \
	done

else

# If we're not building either of the modules, we still need stubs for
# install-exec-hook and uninstall-local, due to a bug in automake. :-(

install-exec-hook:
uninstall-local:

endif

# Remove the auto-generated files (they are generated by configure)
distclean-local:
	rm -f mpi-ext-module.F90