https://doi.org/10.5201/ipol.2017.192
makefile
####### Variables
BIN_DIR = bin
OBJ_DIR = obj
SRC_DIR = src
LIB_DIR = lib
CXXOPT = -O3 -ftree-vectorize -funroll-loops#
CXXFLAGS = -std=c++11 -Wall -Wextra # -g #
INCPATH = -Isrc
LDFLAGS = -lpng -ltiff
LIBS =
ifdef OMP
CXXFLAGS += -fopenmp
LDFLAGS += -lgomp
else
CXXFLAGS += -Wno-unknown-pragmas
endif
####### Files
# source files without extension:
SRC_FILES = $(patsubst $(SRC_DIR)/%.cpp,%,$(shell find $(SRC_DIR)/ -name \
'*.cpp' -type f))
SRC_FILES += $(patsubst $(SRC_DIR)/%.c,%,$(shell find $(SRC_DIR)/ -name \
'*.c' -type f))
OBJ_FILES = $(addprefix $(OBJ_DIR)/,$(addsuffix .o, $(SRC_FILES)))
# name of the application:
TARGET = $(BIN_DIR)/film_grain_rendering_main
####### Build rules
.PHONY: all clean
all: $(TARGET)
$(BIN_DIR)/film_grain_rendering_main: $(OBJ_FILES)
@echo "===== Link $@ ====="
@mkdir -p $(@D)
$(CXX) $(CXXFLAGS) $(CXXOPT) -o $@ $^ $(LIBS) $(LDFLAGS)
$(OBJ_DIR)/%.o: $(SRC_DIR)/%.cpp
@echo "===== Compile $< ====="
@mkdir -p $(@D)
$(CXX) $(CXXFLAGS) $(CXXOPT) $(INCPATH) -c $< -o $@
$(OBJ_DIR)/%.o: $(SRC_DIR)/%.c
@echo "===== Compile $< ====="
@mkdir -p $(@D)
$(CXX) $(CXXFLAGS) $(CXXOPT) $(INCPATH) -c $< -o $@
clean:
@echo "===== Clean $< ====="
@rm -rf $(BIN_DIR) $(OBJ_DIR)