# 
# 
# cross compiling
#CROSS = yes
#CROSS = no

# 
# cross compiling
#
ifneq (yes,$(M68K_ATARI_MINT_CROSS))
ifeq (no,$(M68K_ATARI_MINT_CROSS))
CROSS = no
else
EVAL_CROSS := case `uname -s` in *MiNT*) echo no;; *) echo yes; esac
CROSS := $(shell $(EVAL_CROSS))
endif
else
CROSS = yes
endif

#
# target and host compiler
# 
# Define this to "m68k-atari-mint" if you cross compile.
ifneq ($(CROSS_TOOL),)
 CROSSPREFIX=$(CROSS_TOOL)-
 CROSS := yes
else
ifeq ($(CROSS),yes)
 CROSS_TOOL=m68k-atari-mint
 CROSSPREFIX=$(CROSS_TOOL)-
else
 CROSSPREFIX=
endif
endif

ifeq ($(CROSS),yes)

NATIVECC = gcc
NATIVECFLAGS = -O
CRLF = echo crlf -s

PREFIX=$(shell $(CROSSPREFIX)gcc -print-sysroot)/usr
ifeq ($(PREFIX),)
  PREFIX=/usr/$(CROSS_TOOL)
endif

else

CROSSPREFIX=

NATIVECC = gcc
NATIVECFLAGS = -O
CRLF  = crlf -s

PREFIX=/usr

endif

ELF := $(shell if echo __ELF__ | $(CROSSPREFIX)gcc -E - 2>/dev/null | grep -q __ELF__; then echo no; else echo yes; fi)

CC = $(CROSSPREFIX)gcc
AS = $(CC)
AR = $(CROSSPREFIX)ar
RANLIB = $(CROSSPREFIX)ranlib
STRIP = $(CROSSPREFIX)strip
FLAGS = $(CROSSPREFIX)flags

#
# build alternate libraries for processor variants
#
WITH_020_LIB = yes
WITH_V4E_LIB = yes
WITH_FASTCALL=$(shell if $(CC) -mfastcall -E - < /dev/null >/dev/null 2>&1; then echo yes; else echo no; fi)


# 
# some tools
# 
YACC  = bison -dk
LEX   = flex
MV    = mv
CP    = cp
RM    = rm -f
TOUCH = touch
MKDIR = mkdir
SED   = sed
TAR   = tar


#
# optimizations
# 
OPTS = -O2 -fomit-frame-pointer
ifeq (yes,$(ELF))
OPTS += -ffunction-sections -fdata-sections
endif


#
# warning options
#
WARN = \
	-Wall \
	-Wmissing-prototypes \
	-Winline \
	-Wshadow \
	-Wpointer-arith \
	-Wcast-qual \
	-Waggregate-return

#
# default definitions
#
DEFINITIONS = 


#
# library dependent flags
#
CFLAGS_m68000   = -m68000
CFLAGS_m68020   = -m68020-60
CFLAGS_coldfire = -mcpu=5475
CFLAGS_short    = -mshort
CFLAGS_fastcall = -mfastcall
