Ideal development environment for PIC - personal experience

#ifndef ECLIPSE_SYNTAX_H_
#define ECLIPSE_SYNTAX_H_
// keyword SDCC defined when compiling with SDCC compiler
#ifndef SDCC
	#ifdef __SDCC_PIC18F4680
		#error "SDCC not found, project compile will be with errors!"
	#endif
	// file not parsed through makefile - just for proper eclipse syntax
	#ifndef __CC18__
		#error "__CC18__ not found, use `-D__CC18__` in makefile for proper CC18 compilation!"
		#define near
		#define far
		#define rom
		#define ram
		#define _asm
		#define _endasm
		#define Nop()
		#define ClrWdt()
		#define Sleep()
		#define Reset()
		#define clrwdt
		#define nop
		#define __code
		#define __data
		#define __xdata
		#define __sfr
		#define __sbit
		#define __naked
		#define __wparam
		#define __bit char
		#define __at(num)
	#else	//	__CC18__ defined - compile stage!
	#endif	// __CC18__
	#define __inline
	#define __asm
	#define __endasm
	#define __interrupt(x)
	#define INTERRUPT(x)
	#define USING(x)
	#define CRITICAL
	#define CRITICAL_START
	#define CRITICAL_END
	#define _REENTRANT
#else	// if SDCC defined
	#define INTERRUPT(x) __shadowregs __interrupt (x)
	//#define USING(x) __using (x)
	#define USING(x)
	#define CRITICAL __critical
	#define CRITICAL_START __critical {
	#define CRITICAL_END }
#endif	// SDCC defined
#endif /* ECLIPSE_SYNTAX_H_ */

###########################################################
# project-specific compile options
###########################################################
# Project definitions
CHIP = 18F4680
DEFINES := -DPIC$(CHIP)
#DEFINES += -D__SDCC_PIC$(CHIP)	# use SDCC compiler
DEFINES += -D__CC18__	# use MPLAB CC18 compiler
#DEFINES += -DOPTIMIZE_BITFIELD_POINTER_GET	# SDCC memory optimize for bitfield structures
###########################################################
#  common part for all sdcc-based projects
###########################################################
	SDCC_BASE = c:/DevTools/SDCC
	CC		= "$(SDCC_BASE)/bin/sdcc.exe"
	LD		= "$(SDCC_BASE)/bin/sdcc.exe"
	ELF2HEX	= "$(SDCC_BASE)/bin/packihx.exe"
	HEX2BIN = "$(SDCC_BASE)/bin/makebin.exe"
###########################################################
#  common part for all MPLAB MCC18-based projects
###########################################################
	MPLAB_BASE	= c:/DevTools/CC18
	CC_MPLAB	= "$(MPLAB_BASE)/bin/mcc18.exe"
	AS_MPLAB	= $(MPLAB_BASE)/mpasm/mpasmwin.exe
	LD_MPLAB	= $(MPLAB_BASE)/bin/mplink.exe
###########################################################
# GPUtils used with SDCC for linking project
###########################################################
	GPUTILS_BASE = c:/DevTools/GNUPICutils
	GPASM	= "$(GPUTILS_BASE)/bin/gpasm.exe"
	GPDASM	= "$(GPUTILS_BASE)/bin/gpdasm.exe"
	GPLINK	= "$(GPUTILS_BASE)/bin/gplink.exe"
###########################################################
# C preprocessor flags for MPLAB MCC18 compiler
###########################################################
#optimization parameters (default = full optimization)
OPT_ENABLE_ALL	:= -O+	# Enable all optimizations (default)
OPT_DEBUG		:=-Ou- -Ot- -Ob- -Op- -Or- -Od- -Opa-
OPT 	:=$(OPT_ENABLE_ALL)
#OPT 	:=$(OPT_DEBUG)
CFLAGS_MPLAB := -p $(CHIP)
CFLAGS_MPLAB += -I $(MPLAB_INC_DIR)
CFLAGS_MPLAB += -nw=2066	# suppress Warning [2066] type qualifier mismatch in assignment
CFLAGS_MPLAB += -ml	# Large memory model
CFLAGS_MPLAB += -ls # large stack (can span multiple banks)
#CFLAGS_MPLAB += -scs # Enable default static locals
#CFLAGS_MPLAB += -sco # Enable default overlay locals (statically allocate activation records). Ignored if set --extended
CFLAGS_MPLAB += --extended	# generate extended mode code
COMPILE_MPLAB_STRING=$(CC_MPLAB) $(CFLAGS_MPLAB) $< -fo=$@ $(DEFINES) $(OPT)
AFLAGS_MPLAB := /y
AFLAGS_MPLAB += /rDEC				# set default radix HEX/DEC/OCT
AFLAGS_MPLAB += /l-				# disable listing file
#AFLAGS_MPLAB += /l$(OBJDIR_MPLAB)	# enable listing file
AFLAGS_MPLAB += /o	# specify path for object files
#AFLAGS_MPLAB += /o$(OBJDIR_MPLAB)	# specify path for object files
#AFLAGS_MPLAB += /q					# enable quiet mode 
AFLAGS_MPLAB += /d__LARGE__			# define symbol
AFLAGS_MPLAB += /p$(CHIP)			# set processor type
#ASSEMBLE_MPLAB_STRING=$(AS_MPLAB) $(AFLAGS_MPLAB) %<
# used linker script
LDFLAGS_MPLAB := $(CHIP)_g.lkr
# objects to compile
LDFLAGS_MPLAB += $(OBJS_MPLAB)
LDFLAGS_MPLAB += $(MPLAB_LIBS)
# specify chip for proper linking
LDFLAGS_MPLAB += /p$(CHIP)
# verbose mode operation
#LDFLAGS_MPLAB += /v
# generate report file for stack analysis
LDFLAGS_MPLAB += /g
# generate .LST file and no .COD file
LDFLAGS_MPLAB += /i
# do not invoke MP2COD (no .COD or .LST file)
LDFLAGS_MPLAB += /w
# link MPLAB libs
LDFLAGS_MPLAB += /l $(MPLAB_LIB_DIR)
# generate MAP file
LDFLAGS_MPLAB += /m $(EXEDIR)/$(PROJECT_NAME)_mplab.map
# set output file
LDFLAGS_MPLAB += /o $(EXEDIR)/$(PROJECT_NAME)_mplab.hex
###########################################################
# C preprocessor flags for SDCC v.3.3.0 compiler
###########################################################
# ----- processor selection -----
 CFLAGS := -m$(ARCH)
 CFLAGS += -p$(CHIP)
# ----- preprocessor options -----
 CFLAGS += $(INCS)
 CFLAGS += $(DEFINES)
# ----- verbose & dependancy generate -----
# CFLAGS += -M # generate dependencies
# CFLAGS += -E #
# CFLAGS += -C # dont discard comments
 CFLAGS += -c # dont link file (i.e. have multiple source files)
 CFLAGS += $(DEBUG)
# ----- common settings -----
#CFLAGS += --nostdinc # This will prevent the compiler from passing on the
					  # default include path to the preprocessor.
#CFLAGS += --nostdlib # This will prevent the compiler from passing on the
 					  # default library path to the linker.
#CFLAGS += --less-pedantic # Disable some of the more pedantic warnings.
 CFLAGS += --stack-auto # All functions in the source file will be compiled as reentrant.
						# It automatically implies --int-long-reent and --float-reent.
CFLAGS += --int-long-reent # Integer (16 bit) and long (32 bit) libraries have been compiled as reentrant.
CFLAGS += --float-reent # Floating point library is compiled as reentrant.
#CFLAGS += --no-peep
#CFLAGS += --funsigned-char # The default signedness for every type will be unsigned.
#CFLAGS += --cyclomatic # This option will cause the compiler to generate an information
 						# message for each function in the source file. The message contains
 						# the number of edges and nodes the compiler detected in the
 						# control flow graph of the function, and most importantly
						# the cyclomatic complexity.
# ----- optimization options -----
#CFLAGS += --nogcse # Will not do global subexpression elimination, this option may be used
 					# when the compiler creates undesirably large stack/data spaces to store
 					# compiler temporaries.
#CFLAGS += --noinvariant # Will not do loop invariant optimizations.
#CFLAGS += --noinduction # Will not do loop induction optimizations.
#CFLAGS += --nojtbound # Will not generate boundary condition check when switch statements
 						# are implemented using jumptables.
#CFLAGS += --noloopreverse # Will not do loop reversal optimization.
#CFLAGS += --nolabelopt # Will not optimize labels (makes the dumpfiles more readable).
 CFLAGS += --nooverlay # The compiler will not overlay parameters and local variables of any function.
 CFLAGS += --peep-asm # Pass the inline assembler code through the peep hole optimizer.
 #CFLAGS += --opt-code-speed # Optimize for code speed rather than size
 #CFLAGS += --opt-code-size # Optimize for code size rather than speed
 CFLAGS += --fomit-frame-pointer # Frame pointer will be omitted when the function uses
								 # no local variables.
 CFLAGS += --use-non-free #  Search / include non-free licensed libraries and header files
# ----- special options for pic16 port of SDCC -----
 CFLAGS += --pstack-model=large	# use stack model 'small' (default) or 'large'
# don't use extended instruction set - SDCCman, $4.6.20.1 Known Bugs
#CFLAGS += -y --extended 		# enable Extended Instruction Set/Literal Offset Addressing mode
#CFLAGS += --pno-banksel        # do not generate BANKSEL assembler directives
 CFLAGS += --obanksel=2         # set banksel optimization level (default=0 no)
 CFLAGS += --denable-peeps      # explicit enable of peepholes
 CFLAGS += --no-optimize-goto   # do NOT use (conditional) BRA instead of GOTO
 CFLAGS += --optimize-cmp       # try to optimize some compares
 CFLAGS += --optimize-df        # thoroughly analyze data flow (memory and time intensive!)
#CFLAGS += --preplace-udata-with=udata_shr # Place udata variables at another section: udata_acs, udata_ovr, udata_shr
#CFLAGS += --ivt-loc=           # Set address of interrupt vector table.
#CFLAGS += --nodefaultlibs      # do not link default libraries when linking
#CFLAGS += --use-crt=           # use  run-time initialization module
#CFLAGS += --no-crt             # do not link any default run-time initialization module
#CFLAGS += --mplab-comp         # enable compatibility mode for MPLAB utilities (MPASM/MPLINK)
#CFLAGS += --asm=               # Use alternative assembler
#CFLAGS += --link=              # Use alternative linker
 CFLAGS += --debug-xtra         # show more debug info in assembly output
 CFLAGS += --debug-ralloc       # dump register allocator debug file *.d
 CFLAGS += --pcode-verbose      # dump pcode related info
 CFLAGS += --calltree           # dump call tree in .calltree file
#CFLAGS += --gstack             # trace stack pointer push/pop to overflow
###########################################################
# linker flags
###########################################################
#gputils (GNU PIC Utils) used to link objects and libs.
 GPLINK_FLAGS	= -c -m -w -r -I $(LIBDIR) -s $(GPUTILS_BASE)/lkr/$(CHIP)_g.lkr
#SDCC linker not used
 #LDFLAGS := -m$(ARCH)
 #LDFLAGS += $(DEBUG)
 #LDFLAGS += --profile
 #LDFLAGS += --code-size $(FLASH_SIZE) # Code Segment size
#LDFLAGS += --code-loc $(FLASH_LOC) # The start location of the code location, default value is 0
 #LDFLAGS += --iram-size $(IRAM_SIZE) # Internal Ram size
#LDFLAGS += --xram-loc $(XRAM_LOC) # The start location of the external ram, default value is 0
#LDFLAGS += --xram-size $(XRAM_SIZE) # External Ram size
#LDFLAGS += --stack-loc $(STACK_LOC) # By default the stack is placed after the data segment.
 									 # Using this option the stack can be placed anywhere in the
 									 # internal memory space of the 8051.
##############################################################################
# MPLAB CC18 compiler - linker 
$(HEX_MPLAB): $(OBJS_MPLAB) Makefile
	@echo "--- CC18 Linking objects to $(HEX_MPLAB) ..."
	@$(LD_MPLAB) $(LDFLAGS_MPLAB)
##############################################################################
# SDCC compiler - linker 
$(HEX): $(OBJS) Makefile
	@echo "--- SDCC Linking objects to $(HEX) ..."
	$(GPLINK) $(GPLINK_FLAGS) -o $(HEX) $(OBJS) $(LIBS)
	$(GPDASM) -p$(CHIP) $(HEX) > $(DASM)