#
# $Id$
#

# How to run yacc.
YACC = bison
YACC_FLAGS := -d $(YACC_FLAGS)

# How to run lex.
LEX = flex
LEX_FLAGS := -i -8 $(LEX_FLAGS)

#
# How to run Harbour.
#
HB := $(notdir $(HB_BIN_COMPILE))
ifneq ($(HB),)
# there is no slash at the end
HB := $(HB_BIN_COMPILE)/
endif
HB := $(HB)harbour$(EXE_EXT)

HB_FLAGS = -n -q0 -w -es2 -gc0 -I$(TOP) -I$(HB_INC_COMPILE)

# The rule to link an executable.
ifeq ($(LD_RULE),)
# Use default rule if architecture/compiler specific rule is not defined
LD_RULE = $(LD) $(CFLAGS) $(LD_OUT)$@ $^ $(LDFLAGS) $(L_USR) $(LINKLIBS)
endif

# Eliminate these rules.

%.c : %.y

%.c : %.l

# Location of source C files
# Some DOS compilers doesn't like '/' in filenames - however the MAKE system
# requires '/' in filenames - this trick allows to solve this conflict
SOURCE_DIR := $($(HB_ARCHITECTURE)_$(HB_COMPILER)_GRANDP)
ifeq ($(SOURCE_DIR),)
SOURCE_DIR = $(GRANDP)
endif

# BCC (at least version 3.1) requires that the output file be listed ahead of the input file
ifeq ($(CC),bcc)
# Rule to generate an object file from a C source file in the parent.
%$(OBJ_EXT) : $(SOURCE_DIR)%.c
	$(CC) $(CPPFLAGS) $(CFLAGS) $(C_USR) $(CC_OUT)$(subst .c,$(OBJ_EXT),$(subst $(SOURCE_DIR),,$?)) $(CC_IN) $?

# Rule to generate an object file from a C source file.
%$(OBJ_EXT) : %.c
	$(CC) $(CPPFLAGS) $(CFLAGS) $(C_USR) $(CC_OUT)$(?:.c=$(OBJ_EXT)) $(CC_IN) $?
else
# Rule to generate an object file from a C source file in the parent.
%$(OBJ_EXT) : $(SOURCE_DIR)%.c
	$(CC) $(CPPFLAGS) $(CFLAGS) $(C_USR) $(CC_IN) $? $(CC_OUT)$(subst .c,$(OBJ_EXT),$(subst $(SOURCE_DIR),,$?))

# Rule to generate an object file from a C source file.
%$(OBJ_EXT) : %.c
	$(CC) $(CPPFLAGS) $(CFLAGS) $(C_USR) $(CC_IN) $? $(CC_OUT)$(?:.c=$(OBJ_EXT))
endif

# Rule to generate an executable file from an object file.
%$(EXE_EXT) : %$(OBJ_EXT)
	$(LD_RULE)

# Rule to generate a C file from a PRG file.
%.c : $(GRANDP)%.prg
	$(HB) $? $(PRG_USR) $(HB_FLAGS)

ifeq ($(SHLVL),) # COMMAND.COM
# Do nothing. the $(hb_architecture)/global.cf will handle clean up.
else
# Generic rule to clean up.
clean::
	-$(RM) *.bak *.obj core *.core *~ *.o *.ppo
endif