###############################################################################
# Module name   : TOOLSET/arm251
# Module type   : Makefile system
# Environment(s): arm251
#
#
###################################################################

###############################################################################
#..  Remove "undef" warnings
#
cc_includes	+=
cc_defines	+=
cxx_include	+=
cxx_defines	+=
as_includes	+=
as_defines	+=

###############################################################################
#..     Parse user options
#       Global options already parsed
#       These options extend the global options
#

ifdef OPTIONS

ifneq "$(findstring wall,$(OPTIONS))" ""	# Enable all warnings
USE_WALL	= 1
endif

ifneq "$(findstring list,$(OPTIONS))" ""	# Create Listings
USE_LIST	= 1
endif

endif

###############################################################################
#
#	Extend LIBDIRS with toolset libraries
#	Create a ';' separated list
#	Start with a space separated list
#		May need to change if ARMLIB is to be installed
#		in a path with spaces in it.

LIB         := $(patsubst %,%;,$(LIBDIRS) $(ARMLIB) $(INGEDEV_LIBS) )
export LIB


###############################################################################
#..     C Compiler definition
#

cc_filter := $(wildcard $(GBE_ROOT)/warnings.arm251)
ifdef cc_filter
cc_redirect     = 1
cc_error_filter = $(awk) -f $(GBE_ROOT)/warnings.arm251
endif

################################################################################
# Compiler options
#
# -zz-1                         	# Same as zz0 - sets the zero initialised variable(bss) threshold
#                                       # zz0 forces unitialisaed global to be placed in the ZI degment
# -c                                    # Compiler, but don't link
# -apcs 3/noswst/nofp/interwork         # proceedure call options
#                                       # 3 - is default ( use unknown)
#                                       # /noswst - no software stack checking
#                                       # /nofp  - no frame pointers
#                                       # /interwork - arm/Thumb interworking
# -littleend                            # Generate Little Endian (default)
# -list                                 # Create a listing file
# -g                                    # Enable generation of debug tables
# -zc                                   # Char type is signed
# -zap1                                 # Pointers to Structs aligned to Min
# -zat1                                 # Alignment of top level static objects (default = 1)
# -zas1                                 # Min Byte alignment (default is 4)
# -fa                                   # Check for certain types of data flow anomalies
# -o filename                           # Specifies output file
# -Ospace                               # Optimise for Space (default)
# -Otime                                # Optimise for time
# -O2                                   # Full optimize
#
# -DBSP_LITTLE_ENDIAN=1
# -D__thumb=1

# Standard defines
#
#..
arm_defines	+= -D__SOURCE__=\"$(notdir $<)\"

# Standard flags
#
arm_flags	+= -c -apcs 3/noswst/nofp/interwork
arm_flags 	+= -zz-1 -zc -zap1 -zat1 -zas1 -fa -littleend
arm_defines	+= -D__thumb=1
arm_defines	+= -DBSP_LITTLE_ENDIAN=1

ifdef USE_OPTIMISE				# default for production
ifdef OPT_MODE
arm_flags 	+= -O$(OPT_MODE)
endif
arm_flags 	+= -O2
else
arm_flags 	+= -O0
endif

ifdef USE_DEBUGINFO				# default for debug
arm_flags	+= -g
arm_defines	+= -DDEBUG
else
arm_defines	+= -DNDEBUG
endif

ifdef USE_STRICT_ANSI				# default NO
arm_flags	+= -strict
endif

ifdef LEAVETMP					# default NO
arm_flags	+=
endif

ifdef USE_LIST
arm_flags 	+= -list
endif

ifdef USE_WALL
arm_flags 	+=
else
endif

# Standard includes
#
#..

arm_includes	+=
arm_includes	+= $(ARM_INCLUDES)         	# From Toolset Defs

###############################################################################
#..     C Compiler definition
#
cc		= $(CC_PRE) $(compiler)
cc_init		=
cc_o_switch	= -o $@
cc_source	= $<
cc_flags	= \
		$(patsubst %,%,$(CFLAGS)) \
		$(patsubst %,%,$(arm_flags)) \
		$(patsubst %,%,$(arm_defines)) \
		$(patsubst %,-D%,$(cc_defines)) \
		$(patsubst %,-I %,$(INCDIRS)) \
		$(patsubst %,-I %,$(cc_includes)) \
		$(patsubst %,-I %,$(arm_includes))
cc_term		=

define cc_pre
	@echo '[$<] compiling..'
endef

cc_post =

###############################################################################
#..     C++ Compiler definition
#
cxx		= $(CC_PRE) $(compiler)
cxx_init	=
cxx_o_switch	= -o $@
cxx_source	= $<
cxx_flags	= \
		$(patsubst %,%,$(CXXFLAGS)) \
		$(patsubst %,%,$(arm_flags)) \
		$(patsubst %,%,$(arm_defines)) \
		$(patsubst %,-d%,$(cxx_defines)) \
		$(patsubst %,-I %,$(INCDIRS)) \
		$(patsubst %,-I %,$(cxx_includes)) \
		$(patsubst %,-I %,$(arm_includes))

define cxx_pre
	@echo '[$<] compiling..'
endef

define cxx_post
endef

###############################################################################
#..     C/C++ dependencies
#
ccdep		= $(XX_PRE) $(GBE_BIN)/mkdepend
ccdep_init	=
ccdep_o_switch	= -f -
ccdep_flags	= -MM -b -We -p '$$(OBJDIR)/' -o ".$(o)"
ccdep_source	= $(filter %.c %.cc %.cpp, $+) > $@ 2> $(OBJDIR)/depend.err

ccdep_flags	+= \
		$(patsubst %,%,$(CFLAGS)) \
		$(patsubst %,%,$(arm_depend)) \
		$(patsubst %,%,$(arm_defines)) \
		$(patsubst %,-D%,$(cc_defines)) \
		$(patsubst %,-I %,$(INCDIRS)) \
		$(patsubst %,-I %,$(cc_includes)) \
		$(patsubst %,-Y %,$(arm_includes))
ccdep_pre	=
ccdep_post	=

###############################################################################
#..     Linker definition
#
ld		= $(CC_PRE) $(linker)
ld_cmdfile	= $(subst /,\\,$(basename $@).ld)
ld_flags	=
ld_file_flags	=
ld_o_switch	= -output $@ -via $(ld_cmdfile)
ld_term		=

define ld_pre
	$(AA_PRE)$(cmdfile) -wkWeo$(ld_cmdfile) \
		"$(ld_file_flags) $($(notdir $(basename $@))_ld)"; \
	echo '[$@] Linking..';\
        $(call show_cmdfile,$(ld_cmdfile))
endef

ifndef LEAVETMP
define ld_post
	@$(rm) -f $(ld_cmdfile)
endef
else
define ld_post
endef
endif

################################################################################
#	Library dependency file generation
#	Use cmdfile to create a file that will be included in this makefile
#	The generated file will contain library path names that can only be
#	calculated on the fly
#
define LDDEPEND
	$(AA_PRE)$(cmdfile) -wkWeo$(@) "$($(DPLIST))"
endef

################################################################################
#..	Archiver Definitions
#
#..     Archiver
#
ar              = $(XX_PRE) $(librarian)
ar_init         =
ar_cmdfile      = $(basename $@).ar
ar_flags        =
ar_o_switch     = -v $(ar_cmdfile)

define ar_pre
        $(XX_PRE) $(echo) '[$@] Creating library archive..' ; \
        $(rm) -f $@ ;\
        $(cmdfile) -ko$(ar_cmdfile) \
                -c $@\\n\
                $(patsubst %,%\\n,$(filter %.o, $^));\
	$(call show_cmdfile,$(ar_cmdfile))
                
endef

ifndef LEAVETMP
define ar_post
        @$(rm) -f $(ar_cmdfile)
endef
else
define ar_post
endef
endif


################################################################################
#..     Archive Merge
#	The archive tool can directly merge libaries
#
armerge		= $(XX_PRE) $(GBE_TOOLS)/armerge
armerge_init	=
armerge_flags	= -d $(MLIBDIR) -t unix -a $(librarian)
armerge_o_switch= $@ $^

define armerge_pre
        @$(echo) '[$@] Creating a Merged library..' ; \
        $(rm) -f $@
endef

armerge_post 	     =

###############################################################################
#..     Assembler definition
#
#
as              = $(XX_PRE) $(assembler)
as_init         =
as_o_switch     = -o $@
as_source       = $<

asm_flags	+= -16
asm_flags	+= -apcs /interwork
asm_flags	+= -fpu none

asm_flags    += $(ASFLAGS)

ifdef as_defines
#asm_flags    += $(addprefix -D,$(as_defines))
endif

ifdef USE_DEBUGINFO
#asm_flags       += -DDEBUG
asm_flags       += -g
else
#asm_flags       += -DNDEBUG
endif

as_flags        = $(asm_flags)
ifdef as_includes
as_flags       += "-I$(subst $(space),;,$(strip $(as_includes)))"
endif

as_flags       += $(patsubst %,-I%,$(INCDIRS))

ifdef USE_LIST
as_flags       += -list $(addsuffix .lst, $(basename $(@F)))
endif

ifdef USE_WALL
as_flags 	+=
else
as_flags 	+= -nowarn
endif

define as_pre
    @$(echo) '[$<] Assembling file..'
endef

define as_post
endef