####################################################################
#
#		Maya Location & Version
#
####################################################################
ifndef MAYA_LOCATION
$(error "MAYA_LOCATION is not defined")
endif

ifeq ($(wildcard $(MAYA_LOCATION)),)
$(error "MAYA_LOCATION contains '$(MAYA_LOCATION)', which does not exist.")
endif

ifndef SHAVE_VRAY_SDKS
$(error "SHAVE_VRAY_SDKS is not defined.")
endif

ifndef VRAY_VERSION
$(error "VRAY_VERSION is not defined.")
endif

versionInfo := $(shell ../../utils/getMayaAPIVersion.sh)
mayaAPI := $(word 1,$(versionInfo))
mayaVersion := $(word 2,$(versionInfo))
mayaMajorVersion := $(word 3, $(versionInfo))
mayaMinorVersion := $(word 4, $(versionInfo))

ifeq ($(findstring -x64,$(MAYA_LOCATION)),-x64)
    mayaVersion := $(mayaVersion)-x64
endif


####################################################################
#
#		Compiler & Linker
#
####################################################################

C++		= $(shell ../../utils/getg++vray.sh $(mayaVersion) 40)
CC		= $(subst ++,cc,$(C++))

ifeq ($(C++),)
    $(error "Maya version $(mayaVersion) not supported.")
endif

# sanity check
ifeq (,$(findstring 4.8,$(shell $(C++) --version)))
    $(error "V-Ray 4.0 must be built with gcc-4.8!")
endif


#
# vray include/lib path
#
# you should replace it with own paths 

VRAY_LDIR = $(SHAVE_VRAY_SDKS)/$(VRAY_VERSION)/lib/linux
VRAY_IDIR = $(SHAVE_VRAY_SDKS)/$(VRAY_VERSION)/include

#
# output and temp dirs
#
OUTDIR = ../bin/linux_x64
TMPDIR = ./build/release/linux_x64/clang-gcc-4.8/vray40


OBJS = \
$(TMPDIR)/shaderMain.obj \
$(TMPDIR)/shaveVrayBaseBSDF.obj \
$(TMPDIR)/shaveVrayBaseBSDFPool.obj \
$(VRAY_LDIR)/libvutils_s.a \
$(VRAY_LDIR)/libplugman_s.a \
$(VRAY_LDIR)/librayserver_s.a



GCCFLAGS = -v -Wall -lpthread -lrt -lc -lz -fPIC
GCCFLAGS_OBJ = -std=c++11 -O2  -ffunction-sections -fdata-sections -finline-functions -funswitch-loops -fgcse-after-reload -ffast-math -fPIC -DHAVE_EXR -DBits64_ -D_REENTRANT  -fexceptions  -DVRAY40
GCCLDFLAGS = -Bsymbolic

#
# vray libs
#
LIBS = -ldl -lvray 


LIBDIRS = -L. -L$(VRAY_LDIR) 
INCDIRS = -I. -I$(VRAY_IDIR)

all: ../bin/linux_x64/ShaveSh40.so

../bin/linux_x64/ShaveSh40.so: $(TMPDIR) $(OUTDIR) $(OBJS)
	$(C++) $(GCCFLAGS) $(GCCLDFLAGS) $(LIBDIRS) -shared -Wl,--export-dynamic -o "$(OUTDIR)/ShaveSh40.so" "-Wl,-(" $(OBJS) $(LIBS) "-Wl,-)"



$(TMPDIR):
	-@mkdir -p "$(TMPDIR)"

$(OUTDIR):
	-@mkdir -p "$(OUTDIR)"



$(TMPDIR)/shaderMain.obj: shaderMain.cpp
	$(C++) $(GCCFLAGS_OBJ)  $(INCDIRS)  -D "NDEBUG" -c -o "$(TMPDIR)/shaderMain.obj" "shaderMain.cpp"


$(TMPDIR)/shaveVrayBaseBSDF.obj: shaveVrayBaseBSDF.cpp
	$(C++) $(GCCFLAGS_OBJ)  $(INCDIRS)  -D "NDEBUG" -c -o "$(TMPDIR)/shaveVrayBaseBSDF.obj" "shaveVrayBaseBSDF.cpp"

$(TMPDIR)/shaveVrayBaseBSDFPool.obj: shaveVrayBaseBSDFPool.cpp
	$(C++) $(GCCFLAGS_OBJ)  $(INCDIRS)  -D "NDEBUG" -c -o "$(TMPDIR)/shaveVrayBaseBSDFPool.obj" "shaveVrayBaseBSDFPool.cpp"


clean: 
	-@rm -f $(TMPDIR)/*.obj 
	-@rm -f $(OUTDIR)/ShaveSh40.so