Starting to integrate usb branch.

Optimized Makefiles

common/libs/Pixy/Makefile

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+#2015 by tmoe, id10101 (and the internet :) )
+
+TARGET=libpixy
+
+#Tools
+CROSS_COMPILE=arm-none-eabi-
+CC=$(CROSS_COMPILE)g++
+AR=$(CROSS_COMPILE)ar
+RMDIR = rm -rf
+RM=rm -f
+MKDIR=mkdir -p
+
+#Directories
+SRC_DIR=./src
+INC_DIR=./
+OBJ_DIR=./obj
+
+#Architecture flags
+FP_FLAGS?=-mfpu=fpv4-sp-d16 -mfloat-abi=softfp
+ARCH_FLAGS=-mthumb -mcpu=cortex-m4 $(FP_FLAGS)
+
+#Compiler, Linker Options
+CPPFLAGS=-I$(INC_DIR) -D__LINUX__=1 -DHOST=1 #-DDEBUG=1
+CFLAGS=$(ARCH_FLAGS) -O0 -g #-ffunction-sections -fdata-sections -g
+#CFLAGS += -mlittle-endian -mthumb -mcpu=cortex-m4 -mthumb-interwork
+#CFLAGS += -mfloat-abi=hard -mfpu=fpv4-sp-d16
+
+
+#Finding Input files
+CFILES=$(shell find $(SRC_DIR) -name '*.cpp')
+
+#Generate corresponding obj names
+COBJS=$(CFILES:.cpp=.o)
+OBJS=$(patsubst $(SRC_DIR)/%,$(OBJ_DIR)/%,$(COBJS))
+
+#Keep the objects files
+.SECONDARY: $(OBJS)
+
+#Mark targets which are not "file-targets"
+.PHONY: all  clean
+
+# List of all binaries to build
+all: $(TARGET).a
+
+#objects to lib
+%.a : $(OBJS)
+	@echo Linking...
+	$(AR) rcs $@ $^
+
+#C files to objects
+$(OBJ_DIR)/%.o: $(SRC_DIR)/%.cpp
+	@echo Compiling $<...
+	$(MKDIR) $(OBJ_DIR)
+	$(CC) $(CFLAGS) $(CPPFLAGS) -c -o $@ $<
+
+#Clean Obj files and builded stuff
+clean:
+	$(RMDIR)  $(OBJ_DIR)
+	$(RM) $(TARGET).a