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1
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# binary file name
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TARGET=osdr-sweep
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3
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4
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# CROSS_COMPILE=
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QUIET=@
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6
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# N = build release version
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# y = optimize but include debugger info
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# Y = build debug version
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DEBUG=N
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11
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C_SOURCES=\
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src/main.c \
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src/serial.c \
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src/utils.c
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16
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# general compiler flags
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CFLAGS=-Wall
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LDFLAGS=-Wl,-Map=$(FULLTARGET).map
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LIBS=-lrt libportaudio.a -lasound -lm -lpthread
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21
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##############################################################################
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23
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SUBDIRS=$(sort $(dir $(C_SOURCES)))
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DEPDIR=deps
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OBJDIR=objs
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BINDIR=bin
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DEPDIRS=$(addprefix $(DEPDIR)/,$(SUBDIRS))
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OBJDIRS=$(addprefix $(OBJDIR)/,$(SUBDIRS))
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31
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CC=$(CROSS_COMPILE)gcc
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LD=$(CROSS_COMPILE)gcc
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34
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COBJS=$(C_SOURCES:%.c=%.o)
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DEPS=$(C_SOURCES:%.c=%.dep)
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FULLDEPS=$(addprefix $(DEPDIR)/,$(DEPS))
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FULLCOBJS=$(addprefix $(OBJDIR)/,$(COBJS))
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39
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FULLTARGET=$(addprefix $(BINDIR)/,$(TARGET))
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40
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41
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ifeq ($(DEBUG),Y)
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42
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# debug version
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CFLAGS+=-O0 -g3
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LDFLAGS+=-g3
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else ifeq ($(DEBUG),y)
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46
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# optimized version with debugger info
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CFLAGS+=-O2 -g3 -Werror -ffunction-sections -fdata-sections
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LDFLAGS+=-g3 -Wl,--gc-sections
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else
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# release version
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CFLAGS+=-O2 -s -Werror -ffunction-sections -fdata-sections
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LDFLAGS+=-s -Wl,--gc-sections
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endif
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54
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55
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.PHONY: all build clean distclean
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56
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all: build
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58
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build: $(FULLTARGET)
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60
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-include $(FULLDEPS)
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62
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63
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$(FULLTARGET): $(DEPDIRS) $(OBJDIRS) $(BINDIR) $(FULLCOBJS)
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64
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@echo LD \ $(TARGET)
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$(QUIET)$(LD) $(LDFLAGS) -o $(FULLTARGET) -Wl,--start-group $(FULLCOBJS) $(LIBS) -Wl,--end-group
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66
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$(QUIET)ln -sf $(FULLTARGET) $(TARGET)
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67
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68
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$(FULLCOBJS):
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69
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@echo C\ \ \ $(patsubst $(OBJDIR)/%,%,$(patsubst %.o,%.c, $@))
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70
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$(QUIET)$(CC) $(CFLAGS) $(CFLAGS_$(subst /,_,$(patsubst %.o,%,$@))) -MD -MP -MF $(patsubst %.o,$(DEPDIR)/%.dep,$(patsubst $(OBJDIR)/%,%,$@)) -c $(patsubst $(OBJDIR)/%,%,$(patsubst %.o,%.c, $@)) -o $@
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71
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72
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$(DEPDIRS):
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73
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$(QUIET)mkdir -p $@
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74
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75
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$(OBJDIRS):
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76
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$(QUIET)mkdir -p $@
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77
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$(BINDIR):
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79
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$(QUIET)mkdir -p $@
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80
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clean:
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82
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$(QUIET)echo CLEAN
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83
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$(QUIET)rm -Rf $(DEPDIR) $(OBJDIR) $(BINDIR) $(TARGET) $(TARGET).map *~ *.s *.ss
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84
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85
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distclean: clean
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