#-*- Makefile -*-
## This is called from R CMD SHLIB and R CMD INSTALL

all:  before makeMakedeps $(DLLNAME).dll after

## these targets are just here to allow packages to add to them.
before:
after:

R_EXE = $(RHOME)/bin/Rterm.exe

.PHONY: all before after shlib-clean makeMakedeps

# set this in Makevars.win to supply your own resource file
RCNAME=${DLLNAME}_res
# set this (e.g. in SHLIB) to suppress adding version info to the DLL
RCOBJ=$(RCNAME).o

# Don't use SOURCES as this get passed on for libR.
CSOURCES=$(wildcard -f *.c)
CXXSOURCES=$(wildcard -f *.cc *.cpp *.C)
FSOURCES=$(wildcard -f *.f)
FCSOURCES=$(wildcard -f *.f90 *.f95)
MSOURCES=$(wildcard -f *.m)
OBJSA=$(foreach i,$(CSOURCES) $(FSOURCES) $(CXXSOURCES) $(FCSOURCES) $(MSOURCES),$(basename $i).o)

include $(RHOME)/src/gnuwin32/MkRules

ifneq ($(strip $(FCSOURCES)),)
# don't assume F95 can be cross-compiled in the same way
  DLL="$(FC)"
else

ifneq ($(strip $(CXXSOURCES)),)
  DLL_LDMAIN=$(CXX)
endif
ifneq ($(strip $(FSOURCES)),)
  EXTRA_LIBS+=$(FLIBS)
endif
ifneq ($(strip $(MSOURCES)),)
  EXTRA_LIBS+=-lobjc
endif

endif

ifdef DEBUG
  DLLFLAGS=
  DEBUGFLAG=$(G_FLAG)
else
  DLLFLAGS=-s
  DEBUGFLAG=
endif

COPTFLAG=-O3 -Wall
CXXOPTFLAG=-O2 -Wall
FOPTFLAG=-O3

CPPFLAGS=$(PKG_CPPFLAGS) -I$(RHOME)/include $(CLINK_CPPFLAGS)
CFLAGS=$(PKG_CFLAGS) $(DEBUGFLAG) $(COPTFLAG)
CXXFLAGS=$(PKG_CXXFLAGS) $(DEBUGFLAG) $(CXXOPTFLAG)
FFLAGS=$(PKG_FFLAGS) $(DEBUGFLAG) $(FOPTFLAG)
DLLLIBS=-L$(RHOME)/$(IMPDIR) $(PKG_LIBS) $(PKG_LIBS2) $(EXTRA_LIBS) -lR
RESFLAGS=-I $(RHOME)/include

# for use by Makevars.win
R_HOME=$(RHOME)
SHLIB=$(DLLNAME).dll
SAFE_FFLAGS=$(FOPTFLAG) $(DEBUGFLAG) -ffloat-store

## can be overridden in Makevars[.win]
OBJECTS=$(filter-out $(OBJS-NO),$(OBJSA))
CXXSOURCES1=$(wildcard -f *.cc)
CXXSOURCES2=$(wildcard -f *.cpp)
CXXSOURCES3=$(wildcard -f *.C)
DEPS=$(CSOURCES:.c=.d) $(CXXSOURCES1:.cc=.d) $(CXXSOURCES2:.cpp=.d) $(CXXSOURCES3:.C=.d) $(MSOURCES:.m=.d)

## these are documented (in R-admin) to come after MakeDll and MkRules,
## unlike Unix.
AA=$(wildcard Makevars.win)
ifeq ($(AA),Makevars.win)
 include Makevars.win
else
-include Makevars
endif

$(DLLNAME)_res.rc:
	@echo "tools:::.makeDllRes(\"$(DLLNAME)\", \"$(RVER)\")" | R_DEFAULT_PACKAGES=tools $(R_EXE) --slave --vanilla > $@

$(DLLNAME)_res.o: $(DLLNAME)_res.rc $(RHOME)/include/Rversion.h

ifeq ($(wildcard $(DLLNAME)-win.def),$(DLLNAME)-win.def)
$(DLLNAME).dll : $(DLLNAME)-win.def $(OBJECTS) $(RCOBJ)
	$(DLL) -shared $(DLLFLAGS) $($*-DLLFLAGS) -o $@ $^ $($*-DLLLIBS) $(DLLLIBS)
else
$(DLLNAME).dll : $(OBJECTS) $(RCOBJ)
endif

shlib-clean:
	@$(RM) -f $(DLLNAME)_res.rc $(OBJECTS) $(RCOBJ) *.d Makedeps


makeMakedeps: $(DEPS)
	@$(RM) Makedeps
ifneq ($(strip $(DEPS)),)
	-@cat $(DEPS) >> Makedeps
endif

-include Makedeps