#
# %CopyrightBegin%
#
# Copyright Scott Lystig Fritchie 2011. All Rights Reserved.
#
# The contents of this file are subject to the Erlang Public License,
# Version 1.1, (the "License"); you may not use this file except in
# compliance with the License. You should have received a copy of the
# Erlang Public License along with this software. If not, it can be
# retrieved online at http://www.erlang.org/.
#
# Software distributed under the License is distributed on an "AS IS"
# basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See
# the License for the specific language governing rights and limitations
# under the License.
#
# %CopyrightEnd%
#
include $(ERL_TOP)/make/target.mk
include $(ERL_TOP)/make/$(TARGET)/otp.mk
include $(ERL_TOP)/make/$(TARGET)/otp_ded.mk

# ----------------------------------------------------
# Items from top-level configure
# ----------------------------------------------------
DTRACE_ENABLED=@DTRACE_ENABLED@
DTRACE_ENABLED_2STEP=@DTRACE_ENABLED_2STEP@

# ----------------------------------------------------
# Application version
# ----------------------------------------------------
include ../vsn.mk
VSN=$(DTRACE_VSN)

# ----------------------------------------------------
# The following variables differ between systems.
# Set by configure.
# ----------------------------------------------------
CC = $(DED_CC)
LD = $(DED_LD)
SHELL = /bin/sh
LIBS = $(DED_LIBS)
LDFLAGS += $(DED_LDFLAGS)
CFLAGS = $(DED_CFLAGS)

DTRACE_LIBNAME = dtrace


INCLUDES = $(DED_INCLUDES)

ifeq ($(TYPE),debug)
TYPEMARKER = .debug
TYPE_FLAGS = $(subst -O3,,$(subst -O2,,$(CFLAGS))) -DDEBUG
else
ifeq ($(TYPE),valgrind)
TYPEMARKER = .valgrind
TYPE_FLAGS = $(subst -O3,,$(subst -O2,,$(CFLAGS))) -DVALGRIND
else
TYPEMARKER =
TYPE_FLAGS = $(CFLAGS)
endif
endif

ALL_CFLAGS = $(TYPE_FLAGS) $(INCLUDES) -I$(OBJDIR) \
    -I$(ERL_TOP)/erts/emulator/$(TARGET)

# ----------------------------------------------------
# Release directory specification
# ----------------------------------------------------
RELSYSDIR = $(RELEASE_PATH)/lib/dtrace-$(VSN)

# ----------------------------------------------------
# Misc Macros
# ----------------------------------------------------
before_DTrace_OBJS = $(OBJDIR)/dtrace$(TYPEMARKER).o
## NIF_MAKEFILE = $(PRIVDIR)/Makefile

# Higher-level makefiles says that we can only compile on UNIX flavors
NIF_LIB = $(LIBDIR)/dtrace$(TYPEMARKER).so

ifeq ($(HOST_OS),)
HOST_OS := $(shell $(ERL_TOP)/erts/autoconf/config.guess)
endif

# ----------------------------------------------------
# Targets
# ----------------------------------------------------

debug opt valgrind: $(OBJDIR) $(LIBDIR) $(NIF_LIB)

ifdef DTRACE_ENABLED
DTRACE_USER_HEADER=$(OBJDIR)/dtrace_user.h
$(OBJDIR)/dtrace_user.h: ./dtrace_user.d
	dtrace -h -C $(INCLUDES) \
	  -s ./dtrace_user.d \
	  -o ./dtrace_user.tmp
	sed -e '/^#define[ 	]*ERLANG_[A-Z0-9_]*(.*)/y/ABCDEFGHIJKLMNOPQRSTUVWXYZ/abcdefghijklmnopqrstuvwxyz/' ./dtrace_user.tmp > $@
	rm ./dtrace_user.tmp
else
DTRACE_USER_HEADER=
endif

DTRACE_OBJS =
ifdef DTRACE_ENABLED_2STEP
DTRACE_OBJS += $(OBJDIR)/dtrace_user.o
$(OBJDIR)/dtrace_user.o: $(before_DTrace_OBJS) $(OBJDIR)/dtrace_user.h
	dtrace -G -C \
	  -s ./dtrace_user.d \
	  -o $@ $(before_DTrace_OBJS)
endif

OBJS = $(before_DTrace_OBJS) $(DTRACE_OBJS)

$(OBJDIR):
	-@mkdir -p $(OBJDIR)

$(LIBDIR):
	-@mkdir -p $(LIBDIR)

$(OBJDIR)/%$(TYPEMARKER).o: %.c $(DTRACE_USER_HEADER)
	$(INSTALL_DIR) $(OBJDIR)
	$(CC) -c -o $@ $(ALL_CFLAGS) $<

$(LIBDIR)/dtrace$(TYPEMARKER).so: $(OBJS)
	$(INSTALL_DIR) $(LIBDIR)
	$(LD) $(LDFLAGS) -o $@ $^ $(LDLIBS)

clean:
	rm -f $(LIBDIR)/dtrace.so
	rm -f $(LIBDIR)/dtrace.debug.so
	rm -f $(LIBDIR)/dtrace.valgrind.so
	rm -f $(OBJDIR)/dtrace.o
	rm -f $(OBJDIR)/dtrace.debug.o
	rm -f $(OBJDIR)/dtrace.valgrind.o
	rm -f core *~

docs:

# ----------------------------------------------------
# Release Target
# ----------------------------------------------------
include $(ERL_TOP)/make/otp_release_targets.mk

release_spec: opt
	$(INSTALL_DIR) $(RELSYSDIR)/priv/obj
	$(INSTALL_DIR) $(RELSYSDIR)/priv/lib
	#  $(INSTALL_DATA) $(NIF_MAKEFILE) $(RELSYSDIR)/priv/obj
	$(INSTALL_PROGRAM) $(OBJS) $(RELSYSDIR)/priv/obj
	$(INSTALL_PROGRAM) $(NIF_LIB) $(RELSYSDIR)/priv/lib

release_docs_spec: