tkl/test.c
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build process improved

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This commit is contained in:
Thomas Klaehn 2019-07-13 12:45:42 +02:00
parent 614a1a73f8
commit f752aece31
1 changed files with 11 additions and 6 deletions
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17
Makefile
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@ -3,35 +3,40 @@ CROSS_COMPILE ?=
TARGET_FILE ?= test
CC = $(CROSS_COMPILE)gcc
CPP = $(CROSS_COMPILE)cpp
SRC_DIR = src
OBJ_DIR = obj
BIN_DIR = bin
C_FLAGS := -O0 -g -Iinc
INCLUDES := inc
C_FLAGS := -O0 -g
CPP_FLAGS := $(addprefix -I, $(INCLUDES))
C_SRCS = $(wildcard $(SRC_DIR)/*.c)
C_OBJS = $(patsubst %.c,$(OBJ_DIR)/%.o,$(notdir $(C_SRCS)))
C_OBJS = $(patsubst $(SRC_DIR)%,$(OBJ_DIR)%,$(patsubst %.c,%.o,$(C_SRCS)))
OBJS = $(C_OBJS)
TARGET = $(BIN_DIR)/$(TARGET_FILE)
THIS_MAKEFILE := $(lastword $(MAKEFILE_LIST))
.PHONY: all
all: $(TARGET)
$(TARGET): $(OBJS)
$(TARGET): $(OBJS) $(THIS_MAKEFILE)
@mkdir -p $(BIN_DIR)
$(CC) $(LD_FLAGS) $(OBJS) $(LIBS) -o $@
.PRECIOUS: $(OBJ_DIR)/%.d
$(OBJ_DIR)/%.d:
$(OBJ_DIR)/%.d: $(SRC_DIR)/%.c
@mkdir -p $(OBJ_DIR)
$(CC) -MM -MF $@ -MP -MT $(patsubst %.d,%.o,$@) $(C_FLAGS) $(filter %$(patsubst %.d,%.c,$(notdir $@)),$(C_SRCS))
$(CPP) -MM -MF $@ -MP -MT $(patsubst %.d,%.o,$@) $(CPP_FLAGS) $(patsubst $(OBJ_DIR)/%.d,$(SRC_DIR)/%.c,$@)
$(OBJ_DIR)/%.o: $(SRC_DIR)/%.c $(OBJ_DIR)/%.d
@mkdir -p $(OBJ_DIR)
$(CC) -c $(C_FLAGS) $< -o $@
$(CC) -c $(CPP_FLAGS) $(C_FLAGS) $< -o $@
.PHONY: clean
clean: