#----------------------------------------------------------------------
# Makeinclude provides a cross-platform mechanism for file dependency
#----------------------------------------------------------------------

#----------------------------------------------------------------------
# define two Perl tools 
#----------------------------------------------------------------------
PERL = perl
DEPVERIFY = $(PERL) $(BUILD_TOT)/tools/DependenceVerify
DEPGEN = $(PERL) $(BUILD_TOT)/tools/DependenceGenerator


#----------------------------------------------------------------------
# make sure LCINCS contains ALL local directories where headers are,
# usually LCINCS==LCXXINCS
#----------------------------------------------------------------------
INCLUDE_DIRS := $(LCINCS) $(LCXXINCS)
FILES := $(CFILES) $(CXXFILES) $(FFILES)

#----------------------------------------------------------------------
# define DEPENDS based on ALL source files (.c, .cxx, .f), note we 
# don't use $(SOURCES) defined in gcommondefs because it is too broad
#----------------------------------------------------------------------
DEPENDS := ${addprefix .d_,$(basename $(FILES))}


#----------------------------------------------------------------------
# turn off SUFFIX rules
#----------------------------------------------------------------------
.SUFFIX :


#----------------------------------------------------------------------
# verify each .d_XXX file, if the .d_XXX is older than any files in it, 
# delete the .d_XXX file
#----------------------------------------------------------------------
.PHONY : depends

depends:
ifneq "$(DEPENDS)" ""
	@$(DEPVERIFY) "$(DEPENDS)"
else
	@# Bogus command to inhibit "nothing to be done" message
endif


#----------------------------------------------------------------------
# rules of compiling object files, archieving, and re-compiling
#----------------------------------------------------------------------
.PRECIOUS : $(LIBRARY)
.PRECIOUS : %.o   # temporarily keep object files
.PRECIOUS : .d_%  # keep dependence files

$(TARGETS): $(DEPENDS)

#$(LIBRARY): $(LIBRARY)($(OBJECTS)) $(DEPENDS)

#$(LIBRARY)(%.o) : %.o .d_%

%.o : %.c .d_%
	$(CC) $(CFLAGS) -c $< -o $@

%.o : %.cxx .d_%
	$(CXX) $(CXXFLAGS) -c $< -o $@

# Fortran source files are always taken care of individually in
# Makefile.gbase, so no need to write a rule for them

.d_% : %.c
	$(DEPGEN) $< $(INCLUDE_DIRS) > $@

.d_% : %.cxx
	$(DEPGEN) $< $(INCLUDE_DIRS) > $@

.d_% : %.f
	$(DEPGEN) $< $(INCLUDE_DIRS) > $@

.d_% : %.F
	$(DEPGEN) $< $(INCLUDE_DIRS) > $@


#----------------------------------------------------------------------
# In case we want to delete all object files after archieving, define
# DIRTS in individual Makefile.gbase and rm them explicitly
# PLATFORM_DIRTS_SPECIFIC is to delete compiler cache, when broken
#----------------------------------------------------------------------

ifeq ($(Open64BuildType), Open64BuildRelease)
PLATFORM_DIRTS_COMMON = *~ *.o \#* \#.*
last : 
	if test -f itanium.o; then mv itanium.o itanium.o.last; fi
	rm -rf $(DIRTS) $(PLATFORM_DIRTS_COMMON) $(PLATFORM_DIRTS_SPECIFIC)
	if test -f itanium.o.last; then mv itanium.o.last itanium.o; fi
else
last :
	rm -rf $(PLATFORM_DIRTS_SPECIFIC)
endif