CROSS_COMPILE = $(NACL_SDK_ROOT)/toolchain/linux_pnacl/bin/pnacl-
CC            = $(CROSS_COMPILE)clang
CXX           = $(CROSS_COMPILE)clang++
FINALIZE      = $(CROSS_COMPILE)finalize
STRIP         = $(CROSS_COMPILE)strip
ABICHECK      = $(CROSS_COMPILE)abicheck
CREATE_NMF    = $(NACL_SDK_ROOT)/tools/create_nmf.py

DEFAULT_FLAGS = -O2 -g -pipe
CFLAGS       ?= $(DEFAULT_FLAGS)
CFLAGS       += -Wall -pthread -ffunction-sections -fdata-sections
CPPFLAGS     += \
	-D__UINT64_MAX \
	-D__unix__ \
	-I. \
	-I$(PWD)/util

# Now pull in the system code.
CPPFLAGS     += -I$(NACL_SDK_ROOT)/include -I$(NACL_SDK_ROOT)/include/newlib
LDFLAGS      += -L$(NACL_SDK_ROOT)/lib/pnacl/Release
# We only use ppapi, but nacl_io needs ppapi_cpp.
LDLIBS       += -lppapi -lnacl_io -lppapi_cpp

SRCS = ftplib.c ppapi.c queue.c inet_addr.c
OBJS = $(SRCS:.c=.o)

all: crftp.nmf

%.nmf: %.pexe
	$(CREATE_NMF) $< > $@

%.pexe: %.bc
	$(FINALIZE) -o $@ $<
#	The ABI checker segfaults currently.
#	$(ABICHECK) $@

crftp.bc: $(OBJS)
	$(CXX) $(CFLAGS) $(LDFLAGS) -o $@ $^ $(LDLIBS)

clean:
	rm -f *.pexe *.nmf *.bc *.o

httpd:
	$(NACL_SDK_ROOT)/tools/httpd.py -C $(PWD) -p 7000 --no-dir-check >/dev/null 2>&1 &

VPATH = ftplib util

-include .depend
.depend: $(SRCS)
	$(CC) $(CPPFLAGS) -MM $^ > $@

.PHONY: all clean
.PRECIOUS: %.pexe