ifeq ($(shell [ -f Makefile.local ] && echo true),true)
ALL_BEGIN := $(MAKE) -f Makefile.local all_begin
ALL_END := $(MAKE) -f Makefile.local all_end
MAKE_LOCAL_CLEAN := $(MAKE) -f Makefile.local clean
else
ALL_BEGIN := 
ALL_END := 
MAKE_LOCAL_CLEAN := 
endif

#CC ?= g++

RANLIB ?= ranlib
AR     ?= ar
ARFLAGS := rcu 
AROUTFLAG :=
CCOUTFLAG := -o 
LINKDLL := $(CC)
LINKDLLOUTFLAG := -o 
LINKDIRFLAG := -L
LINKLIBFLAG := -l

# may need to remove --param max-inline-insns-single=500 for older versions of gccs
WARN :=-Wstrict-prototypes 
#-Winline
#--param max-inline-insns-single=500

#-ansi -pedantic
OPTIMIZE :=-O3 -g 
#-msse2 -msse -mmmx
#OPTIMIZE :=-O3 -ffast-math -ftree-vectorize  -ftree-vectorizer-verbose=4
DLL_SUFFIX := so
DLL_COMMAND := -shared
FLAT_NAMESPACE :=
dependson := $(shell cat depends)

HEADERS  :=-I. -I./source
others := $(dependson)
others := $(addprefix -I../,$(others))
others := $(addsuffix /_build/headers,$(others))
HEADERS += $(others)

DLL_L := $(dependson)
DLL_L := $(addprefix -L../,$(DLL_L))
DLL_L := $(addsuffix /_build/dll,$(DLL_L))

DLL_l := $(dependson)
DLL_l := $(addprefix -l,$(DLL_l))

CFLAGS = $(OPTIMIZE) $(WARN) $(HEADERS) #--param max-inline-insns-single=500

# Uncommment for Coros to register their stack with Valgrind
#CFLAGS += -DUSE_VALGRIND

### PLATFORM #####################################################

SYS ?= $(shell uname -s)

ifeq ($(SYS),Darwin)
CFLAGS += -falign-loops=16
CFLAGS += -fPIC
DLL_SUFFIX := dylib
DLL_COMMAND := -dynamiclib
FLAT_NAMESPACE := -flat_namespace

hasEditLib := $(wildcard ../../tools/editlib_test/editlib_test)
ifneq ($(strip $(hasEditLib)),)
DLL_EXTRAS := -ledit
endif

endif

ifeq ($(SYS),Linux)
CFLAGS += -falign-loops=16
CFLAGS += -fPIC
endif

ifeq ($(SYS),IRIX)
RANLIB ?= touch
endif

ifneq (,$(findstring CYGW,$(SYS)))
DLL_SUFFIX := dll
endif

ifneq (,$(findstring MINGW,$(SYS)))
DLL_SUFFIX := dll
endif

ifneq (,$(findstring Windows,$(SYS)))
CC := cl -nologo
CCOUTFLAG :=-Fo
WARN := 
OPTIMIZE :=-Zi -MD -D_USE_MATH_DEFINES -DWIN32 -DNDEBUG -D_CRT_SECURE_NO_DEPRECATE
AR := link -lib
AROUTFLAG :=-out:
ARFLAGS :=
LINKDLL := link 
LINKDLLOUTFLAG :=-out:
LINKDIRFLAG := -libpath:
LINKLIBFLAG := lib
DLL_LIB_SUFFIX := .lib
DLL_COMMAND := -link /INCREMENTAL:NO -subsystem:WINDOWS -machine:X86 -DLL $(DEF_FILE)
DLL_SUFFIX := dll
DLL_EXTRAS := ws2_32.lib
FLAT_NAMESPACE :=
RANLIB := echo no ranlib
endif

### FILES #########################################################

NAME    := $(notdir $(subst $() ,_,$(shell pwd)))
LIBR    := _build/lib/lib$(NAME).a
DLL     := _build/dll/lib$(NAME).$(DLL_SUFFIX)
infiles := $(wildcard source/*.c) 
#infiles += $(wildcard *.S)
asmfiles := $(wildcard source/*.S)
hfiles  := $(wildcard source/*.h)
objects := $(notdir $(infiles))
objects := $(basename $(objects))
objects := $(addsuffix .o,$(objects))
objects := $(addprefix _build/objs/,$(objects))

vmall_objects := $(notdir $(infiles))
vmall_objects := $(basename $(vmall_objects))
vmall_objects := $(addsuffix .o,$(vmall_objects))
vmall_objects := $(addprefix _build/vmall_objs/,$(vmall_objects))


DLL_L := $(dependson)
DLL_L := $(addprefix $(LINKDIRFLAG)../,$(DLL_L))
DLL_L := $(addsuffix /_build/dll,$(DLL_L))

DLL_l := $(dependson)
DLL_l := $(addprefix $(LINKLIBFLAG),$(DLL_l))
DLL_l := $(addsuffix $(DLL_LIB_SUFFIX),$(DLL_l))

DEF_FILE :=

### RULES ###########################################################

all:
	$(ALL_BEGIN) 
	mkdir -p _build
	mkdir -p _build/objs
	mkdir -p _build/headers
	mkdir -p _build/lib
	mkdir -p _build/dll
	$(MAKE) $(LIBR)
	$(MAKE) $(DLL) 
ifneq (,$(findstring Windows,$(SYS)))
	mkdir -p _build/vmall_objs
	$(MAKE) vmall_objs
endif
ifneq (,$(hfiles))
	cp $(hfiles) _build/headers
endif
	$(ALL_END)

_build/objs/%.o: source/%.c
	$(CC) -DINSTALL_PREFIX=\"$(INSTALL_PREFIX)\" $(CFLAGS) -c $< $(CCOUTFLAG)$@

_build/vmall_objs/%.o: source/%.c
	$(CC) -DINSTALL_PREFIX=\"$(INSTALL_PREFIX)\" $(CFLAGS) \
        -DBUILDING_IOVMALL_DLL -c $< $(CCOUTFLAG)$@


_build/vmall_objs:
	mkdir -p $@

vmall_objs: _build/vmall_objs $(vmall_objects)

$(LIBR): $(objects)
ifneq ($(asmfiles),)
	$(CC) $(CFLAGS) -c $(asmfiles) $(CCOUTFLAG)_build/objs/asm.o || true
endif
	$(AR) $(ARFLAGS) $(AROUTFLAG)$@ _build/objs/*.o
	$(RANLIB) $@

$(DLL): $(objects)
	$(LINKDLL) $(DLL_COMMAND) $(FLAT_NAMESPACE) $(DLL_L) _build/objs/*.o $(LINKDLLOUTFLAG)$(DLL) $(DLL_l) $(DLL_EXTRAS)

clean:
	rm -rf _build
	$(MAKE_LOCAL_CLEAN)