## -*- mode: make; tab-width: 8; -*-
##
## Simple Makefile

## comment this out if you need a different version of R, 
## and set set R_HOME accordingly as an environment variable
R_HOME := 		$(shell R RHOME)

sources := 		$(wildcard *.cpp)
programs := 		$(sources:.cpp=)


## include headers and libraries for R 
RCPPFLAGS := 		$(shell $(R_HOME)/bin/R CMD config --cppflags)
RLDFLAGS := 		$(shell $(R_HOME)/bin/R CMD config --ldflags)
RBLAS := 		$(shell $(R_HOME)/bin/R CMD config BLAS_LIBS)
RLAPACK := 		$(shell $(R_HOME)/bin/R CMD config LAPACK_LIBS)

## if you need to set an rpath to R itself, also uncomment
#RRPATH :=		-Wl,-rpath,$(R_HOME)/lib

## include headers and libraries for Rcpp interface classes
## note that RCPPLIBS will be empty with Rcpp (>= 0.11.0) and can be omitted
RCPPINCL := 		$(shell echo 'Rcpp:::CxxFlags()' | $(R_HOME)/bin/R --vanilla --slave)
RCPPLIBS := 		$(shell echo 'Rcpp:::LdFlags()'  | $(R_HOME)/bin/R --vanilla --slave)


## include headers and libraries for RInside embedding classes
RINSIDEINCL := 		$(shell echo 'RInside:::CxxFlags()' | $(R_HOME)/bin/R --vanilla --slave)
RINSIDELIBS := 		$(shell echo 'RInside:::LdFlags()'  | $(R_HOME)/bin/R --vanilla --slave)

## RcppEigen headers
RCPPEIGENINCL :=	$(shell echo 'cat(paste("-I", system.file("include", package = "RcppEigen"), sep = ""))' | $(R_HOME)/bin/R --vanilla --slave)	

## compiler etc settings used in default make rules
CXX := 			$(shell $(R_HOME)/bin/R CMD config CXX)
CPPFLAGS := 		-Wall $(shell $(R_HOME)/bin/R CMD config CPPFLAGS)
CXXFLAGS := 		$(RCPPFLAGS) $(RCPPINCL) $(RCPPEIGENINCL) $(RINSIDEINCL) $(shell $(R_HOME)/bin/R CMD config CXXFLAGS)
LDLIBS := 		$(RLDFLAGS) $(RRPATH) $(RBLAS) $(RLAPACK) $(RCPPLIBS) $(RINSIDELIBS) 

all: 			$(programs)
			@test -x /usr/bin/strip && strip $^

run:			$(programs)
			@for p in $(programs); do echo; echo "Running $$p:"; ./$$p; done

clean:
			rm -vf $(programs)
			rm -vrf *.dSYM

runAll:
			for p in $(programs); do echo "Running $$p"; ./$$p; done
