# we cannot use DEFS because if contains -D in stead of $(FC_DEFINE)
DEFS=

if USEMAKEFDEPSN
built_sources_ready: mods_ready

mods_ready: 
	$(MAKE) ndepsmade
	$(MAKE) mods
# Note that mods must be updated every time make is invoked,
# so mods_ready is a dummy target
.PHONY: mods_ready showvars dep ndep

ndepsmade:
	$(MAKE) dep
	touch $@
else
built_sources_ready:
	@true
endif

#   giving libxbeach_la_FCFLAGS a value causes a separate rule for
#   all files in libxbeach_la_SOURCES; LTPPFCCOMPILE and LTFCCOMPILE are
#   not used. 
#   It seems to be better to set AM_FCFLAGS, this causes no
#   separate rules, and LTPPFCCOMPILE and LTFCCOMPILE are used.

AM_FCFLAGS=-I.

# if mpi, then add some flags
if USEMPI
   AM_FCFLAGS += $(FC_DEFINE)USEMPI $(FC_DEFINE)HAVE_MPI_WTIME
endif

if USENETCDF
   AM_FCFLAGS += $(FC_DEFINE)USENETCDF ${NETCDF_CFLAGS} ${NETCDF_FORTRAN_CFLAGS}
   LIBS       += $(NETCDF_FORTRAN_LIBS) $(NETCDF_LIBS)
endif

depclean: clean
	rm -f $(deps)

INCLUDE_FILES_DEPS = \
			echo $(INCS) : variables.def params.def $(GENERATE) 

if HAVE_ISNAN
    AM_FCFLAGS += $(FC_DEFINE)HAVE_ISNAN
endif
if HAVE_IEEE
    AM_FCFLAGS += $(FC_DEFINE)HAVE_IEEE
endif

if USEMAKEFDEPSN

.f90.n:
	@rm -f $@
	$(AM_V_FC)$(FCCOMPILE) -fsyntax-only $<
	@touch $@

.F90.n:
	@rm -f $@
	$(AM_V_PPFC)$(PPFCCOMPILE) -fsyntax-only $<
	@touch $@

mods: $(NOBJS)

nclean: clean
	rm -f *.n $(deps) include_files_ready 

depn $(depsn): $(SOURCES)
	@$(INCLUDE_FILES_DEPS) > $(depsn)
	@$(MAKEFDEPS) -s .n                     $+ >> $(depsn) 
	@$(MAKEFDEPS) -s .$(OBJSUFFIX) -m O:FHM $+ >> $(depsn)
	echo "# created: `date`" >> $(depsn)
	echo "  created .n dependencies"

include $(depsn)
else
include $(deps)
endif

CLEANFILES = *.mod *.MOD include_files_ready *.n ndepsmade touchee
if MAKEDEPS
CLEANFILES += $(deps)
MAINTAINERCLEANFILES=*.inc 
else
MAINTAINERCLEANFILES=*.inc
dep $(deps):
	@echo "  use distribution dependencies"
	@cp $(abs_srcdir)/$(deps).in $(deps)
endif

if USEMAKEFDEPSN
CLEANFILES += $(depsn)
endif

if USEMAKEFDEPS

# if something is wrong with makefdeps.py, use the distribution dependencies
dep $(deps): $(SOURCES)
	@$(INCLUDE_FILES_DEPS) > $(deps)
	@if $(MAKEFDEPS) -p "" -s .$(OBJSUFFIX) $+ >> $(deps) ; then \
	echo "# created: `date`" >> $(deps) ; \
	echo "  created dependencies" ; \
	else echo "  WARNING: using distribution dependencies" ; \
	cp $(abs_srcdir)/$(deps).in $(deps) ; \
	fi
endif

# vim: filetype=automake