#-----------------------------------------------------------------------------#
# Copyright (C) 1998 The University of Melbourne.
# This file may only be copied under the terms of the GNU General
# Public License - see the file COPYING in the Mercury distribution.
#-----------------------------------------------------------------------------#

# Mmake - Mmake file for the Mercury runtime library

MAIN_TARGET=lib

MERCURY_DIR=..
include $(MERCURY_DIR)/Mmake.common

#-----------------------------------------------------------------------------#

CFLAGS		= -I$(MERCURY_DIR)/runtime -I$(MERCURY_DIR)/boehm_gc -g \
		  $(DLL_CFLAGS) $(EXTRA_CFLAGS) 
MGNUC		= MERCURY_C_INCL_DIR=. $(SCRIPTS_DIR)/mgnuc
MGNUCFLAGS	= --no-ansi $(EXTRA_MGNUCFLAGS) $(CFLAGS)
MOD2C		= $(SCRIPTS_DIR)/mod2c

#-----------------------------------------------------------------------------#

#		  keep this list in alphabetical order, please
HDRS		=	\
			mercury_accurate_gc.h	\
			mercury_calls.h		\
			mercury_conf.h		\
			mercury_conf_param.h	\
			mercury_context.h	\
			mercury_debug.h		\
			mercury_deep_copy.h	\
			mercury_dummy.h		\
			mercury_dlist.h		\
		  	mercury_engine.h	\
			mercury_float.h		\
			mercury_getopt.h	\
			mercury_goto.h		\
			mercury_grade.h		\
			mercury_heap.h		\
			mercury_heap_profile.h	\
			mercury_imp.h		\
			mercury_init.h		\
			mercury_label.h		\
			mercury_memory.h	\
			mercury_memory_zones.h	\
			mercury_memory_handlers.h	\
			mercury_misc.h		\
			mercury_overflow.h	\
			mercury_prof.h		\
			mercury_prof_mem.h	\
			mercury_regorder.h	\
			mercury_regs.h		\
			mercury_signal.h	\
			mercury_spinlock.h	\
			mercury_std.h		\
			mercury_stacks.h	\
			mercury_stack_layout.h	\
			mercury_stack_trace.h	\
			mercury_string.h	\
			mercury_table.h		\
			mercury_table_any.h	\
			mercury_table_enum.h	\
			mercury_table_int_float_string.h \
			mercury_table_type_info.h\
			mercury_tabling.h	\
			mercury_tags.h		\
			mercury_timing.h	\
			mercury_trace.h		\
			mercury_trace_external.h \
			mercury_trace_internal.h \
			mercury_trace_util.h	\
			mercury_trail.h		\
			mercury_types.h		\
			mercury_type_info.h	\
			mercury_wrapper.h	\
			$(LIBMER_DLL_H)

# Note that `libmer_globals.h' cannot be part of $(HDR),
# since it depends on libmer_def.a, and $(OBJ) : $(HDR) would create a
# circular dependency.


MACHHDRS	= 	machdeps/no_regs.h	\
			machdeps/i386_regs.h	\
			machdeps/mips_regs.h	\
			machdeps/sparc_regs.h	\
			machdeps/alpha_regs.h	\
			machdeps/pa_regs.h	\
			machdeps/rs6000_regs.h


#		  keep this list in alphabetical order, please
CFILES		= 	mercury_context.c	\
			mercury_deep_copy.c	\
			mercury_dlist.c		\
			mercury_dummy.c		\
			mercury_engine.c	\
			mercury_float.c		\
			mercury_grade.c		\
			mercury_heap_profile.c	\
			mercury_ho_call.c	\
			mercury_label.c		\
			mercury_memory.c	\
			mercury_memory_zones.c	\
			mercury_memory_handlers.c	\
			mercury_misc.c		\
			mercury_prof.c		\
			mercury_prof_mem.c	\
			mercury_regs.c		\
			mercury_signal.c	\
			mercury_spinlock.c	\
			mercury_stack_trace.c	\
			mercury_table.c		\
			mercury_table_any.c	\
			mercury_table_enum.c	\
			mercury_table_int_float_string.c\
			mercury_table_type_info.c\
			mercury_timing.c	\
			mercury_trace.c		\
			mercury_trace_external.c \
			mercury_trace_internal.c \
			mercury_trace_util.c	\
			mercury_trail.c 	\
			mercury_type_info.c	\
			mercury_wrapper.c

OBJS		= $(CFILES:.c=.o)
PIC_OBJS	= $(CFILES:.c=.$(EXT_FOR_PIC_OBJECTS))

LDFLAGS		= -L$(BOEHM_GC_DIR)
LDLIBS		= \
		` case "$(GRADE)" in 					\
		    *.gc*.prof*) echo "-lgc_prof" ;;			\
		    *.gc*)	echo "-lgc" ;;				\
		  esac							\
		`

#-----------------------------------------------------------------------------#

# Stuff for Windows DLLs

ifeq ($(USE_DLLS),yes)

DLL_CFLAGS	= -Dlibmer_DEFINE_DLL

# the following header files are created automatically by Makefile.DLLs
LIBMER_DLL_H	 = libmer_dll.h
LIBMER_GLOBALS_H = libmer_globals.h

include $(MERCURY_DIR)/Makefile.DLLs

else

DLL_CFLAGS =
LIBMER_DLL_H =
LIBMER_GLOBALS_H =
DLL_DEF_LIB =

endif

#-----------------------------------------------------------------------------#

$(OBJS) $(PIC_OBJS): $(HDRS) $(MACHHDRS)

#-----------------------------------------------------------------------------#

.PHONY: lib
lib: libmer.a libmer.$(EXT_FOR_SHARED_LIB) runtime.init \
	$(LIBMER_DLL_H) $(LIBMER_GLOBALS_H)

libmer$(DLL_DEF_LIB).a: $(OBJS)
	rm -f libmer$(DLL_DEF_LIB).a
	ar cr libmer$(DLL_DEF_LIB).a $(OBJS)
	$(RANLIB) libmer$(DLL_DEF_LIB).a

libmer.so: $(PIC_OBJS)
	$(LINK_SHARED_OBJ) -o libmer.so $(PIC_OBJS)			\
		$(SHLIB_RPATH_OPT)$(FINAL_INSTALL_MERC_GC_LIB_DIR)	\
		$(LDFLAGS) $(LDLIBS)					\
		$(SHARED_LIBS)

runtime.init: $(CFILES)
	cat `vpath_find $(CFILES)` | grep '^INIT ' > runtime.init

mercury_conf.h.date: $(MERCURY_DIR)/config.status mercury_conf.h.in
	CONFIG_FILES= CONFIG_HEADERS=mercury_conf.h $(MERCURY_DIR)/config.status
	echo datestamp > mercury_conf.h.date

mercury_conf.h: mercury_conf.h.date
	@true

.PHONY: cs
cs: $(CFILES)

tags: $(CFILES) $(HDRS)
	ctags $(CFILES) $(HDRS)

.PHONY: check_headers
check_headers:
	for file in $(HDRS); do \
		echo "$$file"; \
		echo "#include \"$$file\"" > tmp.c; \
		$(MGNUC) $(MGNUCFLAGS) -c tmp.c || exit 1; \
	done
	rm -f tmp.c

#-----------------------------------------------------------------------------#

# installation rules

.PHONY: install
install: install_headers install_init install_lib

.PHONY: install_headers
install_headers: $(HDRS) $(MACHHDRS) $(LIBMER_GLOBALS_H)
	-[ -d $(INSTALL_INC_DIR)/machdeps ] || \
		mkdir -p $(INSTALL_INC_DIR)/machdeps
	cp `vpath_find $(HDRS) $(LIBMER_GLOBALS_H)` $(INSTALL_INC_DIR)
	chmod u+w $(INSTALL_INC_DIR)/mercury_conf.h
	cp `vpath_find $(MACHHDRS)` $(INSTALL_INC_DIR)/machdeps

.PHONY: install_init
install_init: runtime.init
	-[ -d $(INSTALL_MODULE_DIR) ] || mkdir -p $(INSTALL_MODULE_DIR)
	cp `vpath_find runtime.init` $(INSTALL_MODULE_DIR)

.PHONY: install_lib
install_lib: libmer.a libmer.$(EXT_FOR_SHARED_LIB)
	-[ -d $(INSTALL_MERC_LIB_DIR) ] || mkdir -p $(INSTALL_MERC_LIB_DIR)
	cp `vpath_find libmer.a libmer.$(EXT_FOR_SHARED_LIB)` \
		$(INSTALL_MERC_LIB_DIR)

#-----------------------------------------------------------------------------#

# prevent Mmake from removing C files
RM_C=:

#-----------------------------------------------------------------------------#

clean: clean_o

.PHONY: clean_o
clean_o:
	rm -f $(OBJS) $(PIC_OBJS) 

realclean:
	rm -f libmer.a libmer.so runtime.init
	rm -f mercury_conf.h mercury_conf.h.date

#-----------------------------------------------------------------------------#