#-----------------------------------------------------------------------------#
# vim: ts=8 sw=8 noexpandtab ft=make
#-----------------------------------------------------------------------------#
# Copyright (C) 1998-2011 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.
#-----------------------------------------------------------------------------#

# This is the Mmakefile for the Mercury runtime library

MAIN_TARGET = all

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

# All the headers in $(HDRS) should be syntactically well-formed
# header files, unlike the headers in $(BODY_HDRS).
# All the headers in $(HDRS) must also be in C (not C++).

# Note that $(LIB_GLOBALS_H) cannot be part of $(HDRS), since it depends on
# lib$(RT_LIB_NAME)$(DLL_DEF_LIB).$A, and $(OBJ): $(HDRS) would create a
# circular dependency. For similar but different reasons,
# $(LIB_DLL_H) also cannot be part of $(HDRS).

# Please keep this list in alphabetical order.
HDRS = \
	mercury.h				\
	mercury_accurate_gc.h			\
	mercury_agc_debug.h			\
	mercury_array_macros.h			\
	mercury_atomic_ops.h			\
	mercury_backjump.h			\
	mercury_bitmap.h			\
	mercury_builtin_types.h			\
	mercury_builtin_types_proc_layouts.h	\
	mercury_calls.h				\
	mercury_complexity.h			\
	mercury_conf.h				\
	mercury_conf_param.h			\
	mercury_construct.h			\
	mercury_context.h			\
	mercury_debug.h				\
	mercury_deconstruct.h			\
	mercury_deconstruct_macros.h		\
	mercury_deep_copy.h			\
	mercury_deep_profiling.h		\
	mercury_deep_profiling_hand.h		\
	mercury_dlist.h				\
	mercury_dummy.h				\
	mercury_dword.h				\
	mercury_engine.h			\
	mercury_expanding_array.h		\
	mercury_file.h				\
	mercury_float.h				\
	mercury_getopt.h			\
	mercury_goto.h				\
	mercury_grade.h				\
	mercury_hash_table.h			\
	mercury_heap.h				\
	mercury_heap_profile.h			\
	mercury_hgc.h				\
	mercury_hlc_types.h			\
	mercury_ho_call.h			\
	mercury_int.h				\
	mercury_imp.h				\
	mercury_init.h				\
	mercury_label.h				\
	mercury_layout_util.h			\
	mercury_library_types.h			\
	mercury_memory.h			\
	mercury_memory_handlers.h		\
	mercury_memory_zones.h			\
	mercury_minimal_model.h			\
	mercury_misc.h				\
	mercury_mm_own_stacks.h			\
	mercury_overflow.h			\
	mercury_par_builtin.h			\
	mercury_proc_id.h			\
	mercury_prof.h				\
	mercury_prof_mem.h			\
	mercury_prof_time.h			\
	mercury_profiling_builtin.h		\
	mercury_reg_workarounds.h		\
	mercury_region.h			\
	mercury_regs.h				\
	mercury_runtime_util.h			\
	mercury_signal.h			\
	mercury_stack_layout.h			\
	mercury_stack_trace.h			\
	mercury_stacks.h			\
	mercury_std.h				\
	mercury_stm.h				\
	mercury_string.h			\
	mercury_tabling.h			\
	mercury_tabling_macros.h		\
	mercury_tags.h				\
	mercury_term_size.h			\
	mercury_thread.h			\
	mercury_threadscope.h			\
	mercury_timing.h			\
	mercury_trace_base.h			\
	mercury_trace_term.h			\
	mercury_trail.h				\
	mercury_type_desc.h			\
	mercury_type_info.h			\
	mercury_type_tables.h			\
	mercury_typeclass_info.h		\
	mercury_types.h				\
	mercury_univ.h				\
	mercury_windows.h			\
	mercury_wrapper.h			\
	mercury_wsdeque.h

# The headers in $(BODY_HDRS) contain code schemes included multiple times
# in one or more source files. Their dependencies must be explicitly listed.
# They do not have to be syntactically well-formed.

BODY_HDRS = \
	mercury_deep_call_port_body.h		\
	mercury_deep_copy_body.h		\
	mercury_deep_leave_port_body.h		\
	mercury_deep_rec_depth_actions.h	\
	mercury_deep_rec_depth_body.h		\
	mercury_deep_redo_port_body.h		\
	mercury_exception_catch_body.h		\
	mercury_hand_compare_body.h		\
	mercury_hand_unify_body.h		\
	mercury_hash_lookup_or_add_body.h	\
	mercury_make_type_info_body.h		\
	mercury_ml_arg_body.h			\
	mercury_ml_deconstruct_body.h		\
	mercury_ml_expand_body.h		\
	mercury_ml_functor_body.h		\
	mercury_table_int_fix_index_body.h	\
	mercury_table_int_start_index_body.h	\
	mercury_table_typeinfo_body.h		\
	mercury_table_type_body.h		\
	mercury_tabling_preds.h			\
	mercury_tabling_stats_defs.h		\
	mercury_tabling_stats_nodefs.h		\
	mercury_tabling_stats_undefs.h		\
	mercury_unify_compare_body.h

MACHHDRS = \
	machdeps/no_regs.h			\
	machdeps/alpha_regs.h			\
	machdeps/i386_regs.h			\
	machdeps/ia64_regs.h			\
	machdeps/mips_regs.h			\
	machdeps/pa_regs.h			\
	machdeps/rs6000_regs.h			\
	machdeps/arm_regs.h			\
	machdeps/sparc_regs.h			\
	machdeps/x86_64_regs.h

# Please keep this list in alphabetical order.
CFILES = \
	mercury.c				\
	mercury_accurate_gc.c			\
	mercury_agc_debug.c			\
	mercury_atomic_ops.c			\
	mercury_backjump.c			\
	mercury_bitmap.c			\
	mercury_builtin_types.c			\
	mercury_construct.c			\
	mercury_context.c			\
	mercury_debug.c				\
	mercury_deconstruct.c			\
	mercury_deep_copy.c			\
	mercury_deep_profiling.c		\
	mercury_dlist.c				\
	mercury_dummy.c				\
	mercury_engine.c			\
	mercury_file.c				\
	mercury_float.c				\
	mercury_getopt.c			\
	mercury_getopt_long.c			\
	mercury_grade.c				\
	mercury_hash_table.c			\
	mercury_heap_profile.c			\
	mercury_hgc.c				\
	mercury_ho_call.c			\
	mercury_int.c				\
	mercury_label.c				\
	mercury_layout_util.c			\
	mercury_memory.c			\
	mercury_memory_handlers.c		\
	mercury_memory_zones.c			\
	mercury_minimal_model.c			\
	mercury_misc.c				\
	mercury_mm_own_stacks.c			\
	mercury_overflow.c			\
	mercury_par_builtin.c			\
	mercury_prof.c				\
	mercury_prof_mem.c			\
	mercury_prof_time.c			\
	mercury_profiling_builtin.c		\
	mercury_reg_workarounds.c		\
	mercury_region.c			\
	mercury_regs.c				\
	mercury_runtime_util.c			\
	mercury_signal.c			\
	mercury_stack_layout.c			\
	mercury_stack_trace.c			\
	mercury_stacks.c			\
	mercury_stm.c				\
	mercury_string.c			\
	mercury_tabling.c			\
	mercury_term_size.c			\
	mercury_thread.c			\
	mercury_threadscope.c			\
	mercury_timing.c			\
	mercury_trace_base.c			\
	mercury_trace_term.c			\
	mercury_trail.c				\
	mercury_type_desc.c			\
	mercury_type_info.c			\
	mercury_type_tables.c			\
	mercury_wrapper.c			\
	mercury_wsdeque.c

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

CHECK_HDRS  = $(HDRS)
CHECK_MHDRS =
CHECK_OBJS  = $(CFILES:.c=.$O)
ALLOW_LIB_PREFIX=no
ALLOW_BROWSER_PREFIX=no
ALLOW_MDBCOMP_PREFIX=no
ALLOW_SSDB_PREFIX=no

MERCURY_DIR=..
LINK_BOEHM_GC_ONLY=yes
include $(MERCURY_DIR)/Mmake.common
-include Mmake.runtime.params

# Avoid trying to make this file with `mmc --make' if it doesn't exist.
Mmake.runtime.params: ;

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

CFLAGS	+= $(DLL_CFLAGS)

# We intentionally compile with C level debugging enabled so that problems
# in the runtime can be debugged without having to recompile it. The cost
# of doing this is negligible. The runtime can be compiled without
# debugging enabled by removing the `--c-debug' flag below.
MGNUCFLAGS	+= --c-debug --no-ansi

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

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

LD_LIBFLAGS	= -L$(BOEHM_GC_DIR) -L/usr/local/lib
LDLIBS		= $(SHARED_GC_LIBS) $(MATH_LIB)

THREADLIBS	= \
		` case "$(GRADE)" in					\
			*.hlc.par*) echo $(THREAD_LIBS) ;;		\
			*.par*) echo "$(THREAD_LIBS) $(HWLOC_LIBS)" ;;	\
		esac							\
		`

CFLAGS += $(HWLOC_CFLAGS)

$(HDR_CHECK_OBJS):	mercury_conf.h

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

# Stuff for Windows DLLs.
# This needs to come after the include of Mmake.common, which defines USE_DLLS.

ifeq ($(USE_DLLS),yes)

DLL_CFLAGS	= -Dlib$(RT_LIB_NAME)_DEFINE_DLL

# the following header files are created automatically by Makefile.DLLs
LIB_DLL_H     = lib$(RT_LIB_NAME)_dll.h
LIB_GLOBALS_H = lib$(RT_LIB_NAME)_globals.h

include $(MERCURY_DIR)/Makefile.DLLs

else

DLL_CFLAGS =
LIB_DLL_H =
LIB_GLOBALS_H =
DLL_DEF_LIB =

endif

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

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

mercury_builtin_types.$(O):	mercury_hand_unify_compare_body.h
mercury_builtin_types.(O):	mercury_hand_unify_body.h mercury_hand_compare_body.h
mercury_deconstruct.$(O):	mercury_ml_expand_body.h
mercury_deep_copy.$(O):		mercury_deep_copy_body.h
mercury_type_info.$(O):		mercury_make_type_info_body.h
mercury_ho_call.$(O):		mercury_unify_compare_body.h

mercury_builtin_types.$(EXT_FOR_PIC_OBJECTS):	mercury_hand_unify_compare_body.h
mercury_builtin_types.(EXT_FOR_PIC_OBJECTS):	mercury_hand_unify_body.h mercury_hand_compare_body.h
mercury_deconstruct.$(EXT_FOR_PIC_OBJECTS):	mercury_ml_expand_body.h
mercury_deep_copy.$(EXT_FOR_PIC_OBJECTS):	mercury_deep_copy_body.h
mercury_type_info.$(EXT_FOR_PIC_OBJECTS):	mercury_make_type_info_body.h
mercury_ho_call.$(EXT_FOR_PIC_OBJECTS):		mercury_unify_compare_body.h

# These files depend on several of the files in $(BODY_HDRS), and it is
# easier to depend on them all than to specifically list only the ones
# that mercury_tabling.c actually includes.
mercury_tabling.$(O):				$(BODY_HDRS)
mercury_tabling.$(EXT_FOR_PIC_OBJECTS):		$(BODY_HDRS)

# ../tools/make_port_code makes both the .c and the .h file of the
# mercury_profiling_builtin module.
mercury_profiling_builtin.c:	mercury_profiling_builtin.h
mercury_profiling_builtin.h:	mercury_deep_call_port_body.h \
				mercury_deep_redo_port_body.h \
				mercury_deep_leave_port_body.h \
				../tools/make_port_code
	../tools/make_port_code

mercury_ho_call.$(O):				mercury_ho_call_codes.i
mercury_ho_call.$(O):				mercury_method_call_codes.i
mercury_ho_call.$(EXT_FOR_PIC_OBJECTS):		mercury_ho_call_codes.i
mercury_ho_call.$(EXT_FOR_PIC_OBJECTS):		mercury_method_call_codes.i

# ../tools/make_spec_ho_call generates mercury_ho_call_declares.i
# and mercury_ho_call_inits.i as side-effects.
# These seems to be no decent way to express that, and have it work correctly
# with parallel make.
mercury_ho_call_codes.i: ../tools/make_spec_ho_call
	../tools/make_spec_ho_call > mercury_ho_call_codes.i

# ../tools/make_spec_method_call generates mercury_method_call_declares.i
# and mercury_method_call_inits.i as side-effects.
# These seems to be no decent way to express that, and have it work correctly
# with parallel make.
mercury_method_call_codes.i: ../tools/make_spec_method_call
	../tools/make_spec_method_call > mercury_method_call_codes.i

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

.PHONY: all
all:	runtime $(TAGS_FILE_EXISTS)

ifneq "$(filter csharp% java% erlang%,$(GRADE))" ""
#
# For these grades, there's nothing to do.

.PHONY: runtime
runtime:
	@echo "No Mercury runtime needed for GRADE=$(GRADE)"

else

.PHONY: runtime
runtime: lib$(RT_LIB_NAME).$A lib$(RT_LIB_NAME).$(EXT_FOR_SHARED_LIB)
runtime: $(RT_LIB_NAME).init
runtime: $(LIB_DLL_H) $(LIB_GLOBALS_H)

lib$(RT_LIB_NAME)$(DLL_DEF_LIB).$A: $(OBJS)
	rm -f lib$(RT_LIB_NAME)$(DLL_DEF_LIB).$A
	$(AR) $(ALL_ARFLAGS) \
		$(AR_LIBFILE_OPT)lib$(RT_LIB_NAME)$(DLL_DEF_LIB).$A $(OBJS)
	$(RANLIB) $(RANLIBFLAGS) lib$(RT_LIB_NAME)$(DLL_DEF_LIB).$A

lib$(RT_LIB_NAME).so: $(PIC_OBJS)
	$(LINK_SHARED_OBJ) $(ERROR_UNDEFINED) $(LDFLAGS_FOR_SANITIZERS)	\
		-o lib$(RT_LIB_NAME).so $(PIC_OBJS)			\
		$(SHLIB_RPATH_OPT)$(FINAL_INSTALL_MERC_GC_LIB_DIR)	\
		$(ALL_LD_LIBFLAGS) $(LDLIBS) $(THREADLIBS)		\
		$(SHARED_LIBS)

# For Darwin we should pass the -install_name option.
lib$(RT_LIB_NAME).dylib: $(PIC_OBJS)
	$(LINK_SHARED_OBJ) $(ERROR_UNDEFINED) $(LDFLAGS_FOR_SANITIZERS) \
		-o lib$(RT_LIB_NAME).dylib $(PIC_OBJS)			\
		-install_name						\
			$(FINAL_INSTALL_MERC_LIB_DIR)/lib$(RT_LIB_NAME).dylib \
		$(ALL_LD_LIBFLAGS) $(LDLIBS) $(THREADLIBS)		\
		$(SHARED_LIBS)

endif

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

mercury_conf.h.date: $(MERCURY_DIR)/config.status mercury_conf.h.in
	if test -f mercury_conf.h ; then \
		mv mercury_conf.h mercury_conf.h.was ; fi
	$(MERCURY_DIR)/config.status --header=mercury_conf.h
	@mv mercury_conf.h mercury_conf.h.tmp
	@sed -e '/Generated by configure/s:mercury_conf:runtime/mercury_conf:' \
		< mercury_conf.h.tmp > mercury_conf.h
	# Check to ensure there were no misspelt autoconf variable names.
	if grep -n '[^$$]@' mercury_conf.h; then false; else true; fi
	# Check if we need to update the file, and if yes, do so.
	if test -f mercury_conf.h.was -a -f mercury_conf.h.date && \
		cmp mercury_conf.h.was mercury_conf.h > /dev/null ; \
		then mv mercury_conf.h.was mercury_conf.h ; \
	fi
	# Update the datestamp to show that mercury_conf.h is now current,
	# even if its modification date is old.
	echo datestamp > mercury_conf.h.date ;
	@-rm -f mercury_conf.h.tmp mercury_conf.h.was

mercury_conf.h: mercury_conf.h.date
	@true

.PHONY: cs
cs:	$(CFILES)

.PHONY: tags
tags:	$(CFILES) $(HDRS) $(BODY_HDRS) $(LIB_DLL_H)
	ctags $(CFILES) $(HDRS) $(BODY_HDRS) $(LIB_DLL_H)

.PHONY: tags_file_exists
tags_file_exists:
	@if test ! -f tags; then echo making tags; \
	ctags $(CFILES) $(HDRS) $(BODY_HDRS) $(LIB_DLL_H); fi

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

# installation rules

.PHONY: install
install: install_headers install_lib

.PHONY: install_dirs
install_dirs:
	-[ -d $(INSTALL_INC_DIR)/machdeps ] || \
		mkdir -p $(INSTALL_INC_DIR)/machdeps
	-[ -d $(INSTALL_MODULE_DIR) ] || mkdir -p $(INSTALL_MODULE_DIR)
	-[ -d $(INSTALL_GRADE_MODULE_DIR) ] || \
		mkdir -p $(INSTALL_GRADE_MODULE_DIR)
	-[ -d $(INSTALL_MERC_LIB_DIR) ] || mkdir -p $(INSTALL_MERC_LIB_DIR)
	-[ -d $(INSTALL_CONF_DIR) ] || mkdir -p $(INSTALL_CONF_DIR)
	-[ -d $(INSTALL_RECONF_DIR)/runtime ] || \
		mkdir -p $(INSTALL_RECONF_DIR)/runtime

ifneq "$(filter csharp% java% erlang%,$(GRADE))" ""

# For non-C grades, the only thing that needs to be done is install the runtime
# headers (see the comment above the install_headers target for the rationale).
# The Java version of the Mercury runtime is in ../java/runtime not this
# directory and it is built and installed by ../library/Mmakefile.
# The C# version of the Mercury runtime *is* in this directory (in
# mercury_dotnet.cs.in), but it is included directly in the standard library
# assembly (mer_std.dll) by ../library/Mmakefile.
# The Erlang version of the Mercury runtime is in the library directory.

.PHONY: install_init
install_init:

.PHONY: install_lib
install_lib:

else

.PHONY: install_init
install_init: $(RT_LIB_NAME).init install_dirs
	cp `vpath_find $(RT_LIB_NAME).init` $(INSTALL_GRADE_MODULE_DIR)

.PHONY: install_lib
install_lib: lib$(RT_LIB_NAME).$A lib$(RT_LIB_NAME).$(EXT_FOR_SHARED_LIB) \
		install_dirs install_init
	cp `vpath_find lib$(RT_LIB_NAME).$A \
		lib$(RT_LIB_NAME).$(EXT_FOR_SHARED_LIB)` \
		$(INSTALL_MERC_LIB_DIR)
	$(RANLIB) $(RANLIBFLAGS) $(INSTALL_MERC_LIB_DIR)/lib$(RT_LIB_NAME).$A

endif

# NOTE: we install the header files for the C version of the Mercury runtime
# even in non-C grades. The reason for this is that they are *not* installed
# by the install_lib target used by the install_grades target in ../Mmakefile.
# If we don't install them as part of the main install target then they won't
# ever be installed and installations with non-C grade Mercury compilers that
# also install the library in C grades will be broken.

# mercury_conf.h needs to be in a separate directory so it can be overridden by
# a different configuration.
.PHONY: install_headers
install_headers: $(HDRS) $(BODY_HDRS) $(MACHHDRS) \
		$(LIB_DLL_H) $(LIB_GLOBALS_H) install_dirs
	cp `vpath_find $(HDRS) $(BODY_HDRS) $(LIB_DLL_H) $(LIB_GLOBALS_H)` \
		$(INSTALL_INC_DIR)
	rm -f $(INSTALL_INC_DIR)/mercury_conf.h
	cp `vpath_find mercury_conf.h` $(INSTALL_CONF_DIR)
	-chmod u+w $(INSTALL_CONF_DIR)/mercury_conf.h
	cp `vpath_find mercury_conf.h.in` $(INSTALL_RECONF_DIR)/runtime
	cp `vpath_find $(MACHHDRS)` $(INSTALL_INC_DIR)/machdeps

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

mercury_dotnet.cs: mercury_dotnet.cs.in
	CONFIG_FILES=$@ CONFIG_HEADERS= $(MERCURY_DIR)/config.status
	# check to ensure there were no misspelt autoconf variable names
	if grep -n '[^$$]@.*@' $@; then false; else true; fi

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

clean_local: clean_o clean_check

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

.PHONY: realclean_local
realclean_local:
	rm -f lib$(RT_LIB_NAME).$A lib$(RT_LIB_NAME).so $(RT_LIB_NAME).init
	rm -f mercury_conf.h mercury_conf.h.date mercury_dotnet.cs
	rm -f mercury_profiling_builtin.c mercury_profiling_builtin.h

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