id returned 1 exit status c++问题如何解决？

[L1209545113]

跳出来的提示如下：
# Project: Project4_12
# Makefile created by Dev-C++ 5.11

CPP = g++.exe
CC = gcc.exe
WINDRES = windres.exe
OBJ = example4_12.o student.o
LINKOBJ = example4_12.o student.o
LIBS = -L"D:/program files (x86)/Dev-Cpp/MinGW64/lib" -L"D:/program files (x86)/Dev-Cpp/MinGW64/x86_64-w64-mingw32/lib" -static-libgcc
INCS = -I"D:/program files (x86)/Dev-Cpp/MinGW64/include" -I"D:/program files (x86)/Dev-Cpp/MinGW64/x86_64-w64-mingw32/include" -I"D:/program files (x86)/Dev-Cpp/MinGW64/lib/gcc/x86_64-w64-mingw32/4.9.2/include"
CXXINCS = -I"D:/program files (x86)/Dev-Cpp/MinGW64/include" -I"D:/program files (x86)/Dev-Cpp/MinGW64/x86_64-w64-mingw32/include" -I"D:/program files (x86)/Dev-Cpp/MinGW64/lib/gcc/x86_64-w64-mingw32/4.9.2/include" -I"D:/program files (x86)/Dev-Cpp/MinGW64/lib/gcc/x86_64-w64-mingw32/4.9.2/include/c++"
BIN = Project4_12.exe
CXXFLAGS = $(CXXINCS)
CFLAGS = $(INCS)
RM = rm.exe -f

.PHONY: all all-before all-after clean clean-custom

all: all-before $(BIN) all-after

clean: clean-custom
${RM} $(OBJ) $(BIN)

$(BIN): $(OBJ)
$(CPP) $(LINKOBJ) -o $(BIN) $(LIBS)

example4_12.o: example4_12.cpp
$(CPP) -c example4_12.cpp -o example4_12.o $(CXXFLAGS)

student.o: student.cpp
$(CPP) -c student.cpp -o student.o $(CXXFLAGS)

[FoolCarpe]

看不出Makefile文件有什么问题

[赵4老师]

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