##########################################################################
#	Common makefile -- shared between Package.make and Project.make
#
##########################################################################
# 	Check for whether the project is defined and whether it has
# 		any files or directories
ifeq (,$(XN_PROJECT))
error: noXnProject
else
PROJECT_ROOT = $(XN_PROJECT)
PROJECT_FILES=$(wildcard $(XN_PROJECT)/*)
ifeq (,$(PROJECT_FILES))
error: noXnProject
endif
endif

##########################################################################
#	Check for the target architecture.  The default TARGET is ECOS
ifeq (,$(TARGET))
TARGET=ECOS
endif

##########################################################################
# Set up common variables pointing to the various subdirs
#
SRC_ROOT	= $(PROJECT_ROOT)/src
TEST_SRC_ROOT	= $(PROJECT_ROOT)/test
STUB_SRC_ROOT	= $(PROJECT_ROOT)/stubs

OBJ_ROOT	= $(PROJECT_ROOT)/obj/$(TARGET)
TEST_OBJ_ROOT	= $(PROJECT_ROOT)/obj.t/$(TARGET)
STUB_OBJ_ROOT	= $(PROJECT_ROOT)/obj.s/$(TARGET)

DOC_DIR		= $(PROJECT_ROOT)/doc
API_DIR		= $(PROJECT_ROOT)/api
MAKE_DIR	= $(PROJECT_ROOT)/make
BIN_DIR		= $(PROJECT_ROOT)/bin/$(TARGET)
EXT_DIR		= $(PROJECT_ROOT)/ext

LIB_DIR     = $(PROJECT_ROOT)/lib/$(TARGET)

##########################################################################
# define the libaries needed for linking
#
PROJECT_LIB		= $(LIB_DIR)/$(notdir $(PROJECT_ROOT)).a

LIB_PACKAGE_LIST := $(subst .,/,$(LIB_PACKAGES))
IMAGE_PACKAGE_LIST := $(subst .,/,$(IMAGE_PACKAGES))
PACKAGE_LIST := $(LIB_PACKAGES) $(IMAGE_PACKAGES)

PACKAGE_LIBS := $(patsubst %,$(LIB_DIR)/%.a,$(subst /,.,$(LIB_PACKAGE_LIST)))

ifeq (,$(EXCLUDE_EXT_LIBS))
EXT_LIBS := $(patsubst %,$(EXT_DIR)/%/lib/$(TARGET)/*,$(EXT_VENDORS))
EXT_LIBS := $(wildcard $(EXT_LIBS))
EXT_INCS := $(patsubst %,$(EXT_DIR)/%/inc,$(EXT_VENDORS))
EXT_INCS := $(patsubst %,-I%,$(EXT_INCS))
endif

##########################################################################
#
#  Tools and their options.
#

ifeq (,$(USE_SHORT_CALL))
USE_SHORT_CALL := 0
endif


# Define target dependent tool macros based on the TARGET variable.
#
ifeq ($(TARGET),VXPPC)
include $(MAKE_DIR)/tooldefs.ppc
endif

ifeq ($(TARGET),VXSIM)
include $(MAKE_DIR)/tooldefs.sim
endif

ifeq ($(TARGET),WINDOWS)
include $(MAKE_DIR)/tooldefs.win
endif

ifeq ($(TARGET),ECOS)
include $(MAKE_DIR)/tooldefs.ecos
endif


# 	architecture independent tools definitions
#
DOCTOOL=/doxygen/bin/doxygen
DOCFLAGS = -A -H -b -f -g -j -M -w -W -d $(DOC_DIR)

# misc shell commands
#
DELETE	= rm -f
MKDIR	= mkdir -p
COPY	= cp
PRINT	= @echo
RM      = rm -f
MV      = mv

# 	architecture independent tools options 
#	TBD -- THESE NEED TO BE CHECKED IF WE START USING THE DIAB COMPILER!!
#		(THEY PROBABLY SHOULD BE VARIABLES, NOT HARD-CODED)
#

# uncomment this if you want to keep the compiler intermediate files
# SAVE_TEMPS = --save-temps

ifeq ($(TARGET),VXPPC)
  TRACE_LEVEL = 5
else
  TRACE_LEVEL = 9
endif

CONSOLE_TRACE_LEVEL = 3
DEBUG = -g
# SAVE_TEMPS = -Wp,-MD,$(@:.o=.tmp)
TRACE_OPTS = -DKERNEL -DGLBTRACELEVEL=$(TRACE_LEVEL) -DTRACE_RUNTIME_LEVEL=$(TRACE_LEVEL) -DTRACE_CONSOLE_LEVEL=$(CONSOLE_TRACE_LEVEL)
CODE_OPTS := -Wall #-Wnon-virtual-dtor -Wold-style-cast
CODE_OPTS := $(CODE_OPTS) -fexceptions $(SAVE_TEMPS) $(DEBUG) -D_REENTRANT #-frtti
PROJECT_OPTS := $(CODE_OPTS) $(TRACE_OPTS)

# Include all search paths
PROJECT_INCS := -I$(SRC_ROOT) $(EXT_INCS)

LDFLAGS +=


##########################################################################
# common rules
#

# 	target 'all' must be defined in a makefile that includes this one.  
#		See Package.make and Project.make
default: all

# 	project variable error case
noXnProject:
	$(PRINT) ERROR: You must define a valid XN_PROJECT environment variable

# Debugging rule for dumping out important makefile variables
PHONY : dumpCommon
dumpCommon :
	$(PRINT) PWD: $(PWD)
	$(PRINT) SRC: $(SRC)
	$(PRINT) TEST: $(TEST)
	$(PRINT) TARGET : $(TARGET)
	$(PRINT) OBJ_ROOT: $(OBJ_ROOT)
	$(PRINT) LIB_DIR: $(LIB_DIR)
	$(PRINT) LIB_DIR_SRC: $(LIB_DIR_SRC)
	$(PRINT) LIB_DIR_TEST: $(LIB_DIR_TEST)
	$(PRINT) PROJECT_LIB: $(PROJECT_LIB)
	$(PRINT) PACKAGES: $(PACKAGES)
	$(PRINT) PACKAGE_LIST: $(PACKAGE_LIST)
	$(PRINT) PACKAGE_LIBS: $(PACKAGE_LIBS)
	$(PRINT) EXT_LIBS: $(EXT_LIBS)
	$(PRINT) EXT_INCS: $(EXT_INCS)
	$(PRINT) --------

##########################################################################