#-----------------------------------------------------------------------------
# Copyright (C) Proxmark3 contributors. See AUTHORS.md for details.
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#
# See LICENSE.txt for the text of the license.
#-----------------------------------------------------------------------------
# This Makefile might have been called from various subdirs, trying to find our Makefile.defs
ifeq ($(DEFSBEENHERE),)
    -include Makefile.defs
endif
ifeq ($(DEFSBEENHERE),)
    -include ../Makefile.defs
endif
ifeq ($(DEFSBEENHERE),)
    -include ../../Makefile.defs
endif
ifeq ($(DEFSBEENHERE),)
    -include ../../../Makefile.defs
endif
ifeq ($(DEFSBEENHERE),)
    $(error Can't find Makefile.defs)
endif

CFLAGS ?= $(DEFCFLAGS)
CFLAGS += $(MYDEFS) $(MYCFLAGS) $(MYINCLUDES)
CXXFLAGS ?= $(DEFCXXFLAGS)
CXXFLAGS += $(MYDEFS) $(MYCXXFLAGS) $(MYINCLUDES)
LDFLAGS ?= $(DEFLDFLAGS)
LDFLAGS += $(MYLDFLAGS)
LDLIBS += $(MYLDLIBS)

vpath %.c $(MYSRCPATHS)

# Flags to generate temporary dependency files
DEPFLAGS = -MT $@ -MMD -MP -MF $(OBJDIR)/$*.Td
# make temporary to final dependency files after successful compilation
POSTCOMPILE = $(MV) -f $(OBJDIR)/$*.Td $(OBJDIR)/$*.d && $(TOUCH) $@

BINDIR := .
OBJDIR := obj

MYOBJS ?= $(MYSRCS:%.c=$(OBJDIR)/%.o)
MYCXXOBJS ?= $(MYCXXSRCS:%.cpp=$(OBJDIR)/%.o)
CLEAN = $(foreach bin,$(MYLIBS) $(BINS) $(LIB_A),$(BINDIR)/$(bin))

all: $(foreach bin,$(MYLIBS) $(BINS) $(LIB_A),$(BINDIR)/$(bin))

clean:
	$(Q)$(RM) $(CLEAN)
	$(Q)$(RMDIR) $(OBJDIR)
ifneq (,$(MYCLEANOLDPATH))
	    $(Q)$(RM) $(foreach f,$(CLEAN),$(MYCLEANOLDPATH)/$(f))
	    $(Q)$(RMDIR) $(MYCLEANOLDPATH)/$(OBJDIR)
	    $(Q)$(RMDIR_SOFT) $(MYCLEANOLDPATH) 2>/dev/null || true
endif

install: all
ifneq (,$(INSTALLTOOLS))
	    $(info [@] Installing $(BINS) to $(DESTDIR)$(PREFIX)...)
	    $(Q)$(MKDIR) $(DESTDIR)$(PREFIX)$(PATHSEP)$(INSTALLTOOLSRELPATH)
	    $(Q)$(CP) $(INSTALLTOOLS) $(DESTDIR)$(PREFIX)$(PATHSEP)$(INSTALLTOOLSRELPATH)
endif
	@true

uninstall:
ifneq (,$(INSTALLTOOLS))
	    $(info [@] Uninstalling $(BINS) from $(DESTDIR)$(PREFIX)...)
	    $(Q)$(RM) $(foreach tool,$(INSTALLTOOLS),$(DESTDIR)$(PREFIX)$(PATHSEP)$(INSTALLTOOLSRELPATH)$(PATHSEP)$(notdir $(tool)))
endif
	@true

.PHONY: all clean install uninstall

$(BINDIR)/$(LIB_A): $(MYOBJS) $(MYCXXOBJS)
	$(info [=] AR $(notdir $@))
	$(Q)$(AR) $@ $(MYOBJS) $(MYCXXOBJS)
	$(Q)$(RANLIB) $@

$(BINDIR)/% : $(OBJDIR)/%.o $(MYOBJS) $(MYCXXOBJS) $(MYLIBS)
	$(info [=] LD $(notdir $@))
	$(Q)$(LD) $(LDFLAGS) $(MYOBJS) $(MYCXXOBJS) $< -o $@ $(MYLIBS) $(MYLDLIBS)

%.o: %.c
$(OBJDIR)/%.o : %.c $(OBJDIR)/%.d | $(OBJDIR)
	$(info [-] CC $<)
	$(Q)$(CC) $(DEPFLAGS) $(CFLAGS) -c -o $@ $<
	$(Q)$(POSTCOMPILE)

%.o: %.cpp
$(OBJDIR)/%.o : %.cpp $(OBJDIR)/%.d | $(OBJDIR)
	$(info [-] CXX $<)
	$(Q)$(CXX) $(DEPFLAGS) $(CXXFLAGS) -c -o $@ $<
	$(Q)$(POSTCOMPILE)

$(OBJDIR):
	$(Q)$(MKDIR) $(OBJDIR)

DEPENDENCY_FILES = $(MYOBJS:%.o=%.d) $(MYCXXOBJS:%.o=%.d) $(BINS:%=$(OBJDIR)/%.d)

$(DEPENDENCY_FILES): ;
.PRECIOUS: $(DEPENDENCY_FILES)

-include $(DEPENDENCY_FILES)