Build output goes into the bin folder.

Makefile

@@ -26,6 +26,8 @@ INCLUDE += -I./lib/libchdr/include
 INCLUDE += -I./lib/bluetooth
 INCLUDE += -I./lib/serial_server/library
 
+BUILDDIR = bin
+
 PRJ = MiSTer
 C_SRC =   $(wildcard *.c) \
           $(wildcard ./lib/miniz/*.c) \
@@ -34,63 +36,63 @@ C_SRC =   $(wildcard *.c) \
 					$(wildcard ./lib/zstd/lib/common/*.c) \
 					$(wildcard ./lib/zstd/lib/decompress/*.c) \
           $(wildcard ./lib/libchdr/*.c) \
-          lib/libco/arm.c 
+          lib/libco/arm.c
 
 CPP_SRC = $(wildcard *.cpp) \
           $(wildcard ./lib/serial_server/library/*.cpp) \
-          $(wildcard ./support/*/*.cpp) 
+          $(wildcard ./support/*/*.cpp)
 
 IMG =     $(wildcard *.png)
 
 IMLIB2_LIB  = -Llib/imlib2 -lfreetype -lbz2 -lpng16 -lz -lImlib2
 
-OBJ	= $(C_SRC:.c=.c.o) $(CPP_SRC:.cpp=.cpp.o) $(IMG:.png=.png.o)
-DEP	= $(C_SRC:.c=.c.d) $(CPP_SRC:.cpp=.cpp.d)
+OBJ	= $(C_SRC:%.c=$(BUILDDIR)/%.c.o) $(CPP_SRC:%.cpp=$(BUILDDIR)/%.cpp.o) $(IMG:%.png=$(BUILDDIR)/%.png.o)
+DEP	= $(C_SRC:%.c=$(BUILDDIR)/%.c.d) $(CPP_SRC:%.cpp=$(BUILDDIR)/%.cpp.d)
 
 DFLAGS	= $(INCLUDE) -D_7ZIP_ST -DPACKAGE_VERSION=\"1.3.3\" -DHAVE_LROUND -DHAVE_STDINT_H -DHAVE_STDLIB_H -DHAVE_SYS_PARAM_H -DENABLE_64_BIT_WORDS=0 -D_FILE_OFFSET_BITS=64 -D_LARGEFILE64_SOURCE -DVDATE=\"`date +"%y%m%d"`\"
 CFLAGS	= $(DFLAGS) -Wall -Wextra -Wno-strict-aliasing -Wno-stringop-overflow -Wno-stringop-truncation -Wno-format-truncation -Wno-psabi -Wno-restrict -c -O3
 LFLAGS	= -lc -lstdc++ -lm -lrt $(IMLIB2_LIB) -Llib/bluetooth -lbluetooth -lpthread
 
-OUTPUT_FILTER = sed -e 's/\(.[a-zA-Z]\+\):\([0-9]\+\):\([0-9]\+\):/\1(\2,\ \3):/g'
-
+OUTPUT_FILTER = sed -e 's/\(.[a-zA-Z]\+\):\([0-9]\+\):\([0-9]\+\):/\1(\2,\ \3):/g'
+
 ifeq ($(PROFILING),1)
 	DFLAGS += -DPROFILING
 endif
 
-$(PRJ): $(OBJ)
+$(BUILDDIR)/$(PRJ): $(OBJ)
 	$(Q)$(info $@)
-	$(Q)$(CC) -o $@ $+ $(LFLAGS) 
+	$(Q)$(CC) -o $@ $+ $(LFLAGS)
 	$(Q)cp $@ [email protected]
 	$(Q)$(STRIP) $@
 
 .PHONY: clean
 clean:
-	$(Q)rm -f *.elf *.map *.lst *.user *~ $(PRJ)
-	$(Q)rm -rf obj DTAR* x64
-	$(Q)find . \( -name '*.o' -o -name '*.d' -o -name '*.bak' -o -name '*.rej' -o -name '*.org' \) -exec rm -f {} \;
+	$(Q)rm -rf bin
 
-%.c.o: %.c
+$(BUILDDIR)/%.c.o: %.c
 	$(Q)$(info $<)
 	$(Q)$(CC) $(CFLAGS) -std=gnu99 -o $@ -c $< 2>&1 | $(OUTPUT_FILTER)
 
-%.cpp.o: %.cpp
+$(BUILDDIR)/%.cpp.o: %.cpp
 	$(Q)$(info $<)
 	$(Q)$(CC) $(CFLAGS) -std=gnu++14 -Wno-class-memaccess -o $@ -c $< 2>&1 | $(OUTPUT_FILTER)
 
-%.png.o: %.png
+$(BUILDDIR)/%.png.o: %.png
 	$(Q)$(info $<)
 	$(Q)$(LD) -r -b binary -o $@ $< 2>&1 | $(OUTPUT_FILTER)
 
 ifneq ($(MAKECMDGOALS), clean)
 -include $(DEP)
 endif
-%.c.d: %.c
+$(BUILDDIR)/%.c.d: %.c
+	@mkdir -p $(dir $(BUILDDIR)/$*)
 	$(Q)$(info $< >> $@)
 	$(Q)$(CC) $(DFLAGS) -MM $< -MT $@ -MT $*.c.o -MF $@ 2>&1 | $(OUTPUT_FILTER)
 
-%.cpp.d: %.cpp
+$(BUILDDIR)/%.cpp.d: %.cpp
+	@mkdir -p $(dir $(BUILDDIR)/$*)
 	$(Q)$(info $< >> $@)
 	$(Q)$(CC) $(DFLAGS) -MM $< -MT $@ -MT $*.cpp.o -MF $@ 2>&1 | $(OUTPUT_FILTER)
 
 # Ensure correct time stamp
-main.cpp.o: $(filter-out main.cpp.o, $(OBJ))
+$(BUILDDIR)/main.cpp.o: $(filter-out $(BUILDDIR)/main.cpp.o, $(OBJ))

build.sh

@@ -3,6 +3,7 @@
 # create simple text file named 'host' in this folder with IP address of your MiSTer.
 
 HOST=192.168.1.75
+BUILDDIR=bin
 [ -f host ] && HOST=$(cat host)
 
 # make script fail if any command failed,
@@ -22,7 +23,7 @@ open $HOST
 user root 1
 passive
 binary
-put MiSTer /media/fat/MiSTer
+put $(BUILDDIR)/MiSTer /media/fat/MiSTer
 EOF
 
 plink root@$HOST -pw 1 -batch 'sync;PATH=/media/fat:$PATH;MiSTer >/dev/ttyS0 2>/dev/ttyS0 </dev/null &'