导致目标”Project1。exe”失败

I try to compile a simple c file in Dev-C++ and it shows an error on line 25 C:\Users\varun\Desktop\cprog\Makefile.win recipe for target 'Project1.exe' failed.

我尝试编译一个简单的c文件Dev-C + + 25 C:\Users\varun\Desktop\cprog\Makefile.,它显示了一个错误获取目标项目的配方。exe”失败了。

Makefile.win

Makefile.win

# Project: Project1
# Makefile created by Dev-C++ 5.6.2

CPP      = g++.exe
CC       = gcc.exe
WINDRES  = windres.exe
OBJ      = main.o Untitled2.o
LINKOBJ  = main.o Untitled2.o
LIBS     = -L"C:/Program Files (x86)/Dev-Cpp/MinGW64/lib" -L"C:/Program Files (x86)/Dev-Cpp/MinGW64/x86_64-w64-mingw32/lib" -static-libgcc
INCS     = -I"C:/Program Files (x86)/Dev-Cpp/MinGW64/include" -I"C:/Program Files (x86)/Dev-Cpp/MinGW64/x86_64-w64-mingw32/include" -I"C:/Program Files (x86)/Dev-Cpp/MinGW64/lib/gcc/x86_64-w64-mingw32/4.8.1/include"
CXXINCS  = -I"C:/Program Files (x86)/Dev-Cpp/MinGW64/include" -I"C:/Program Files (x86)/Dev-Cpp/MinGW64/x86_64-w64-mingw32/include" -I"C:/Program Files (x86)/Dev-Cpp/MinGW64/lib/gcc/x86_64-w64-mingw32/4.8.1/include" -I"C:/Program Files (x86)/Dev-Cpp/MinGW64/lib/gcc/x86_64-w64-mingw32/4.8.1/include/c++"
BIN      = Project1.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): $(OBJ)
    **$(CC) $(LINKOBJ) -o $(BIN) $(LIBS)**

main.o: main.c
    $(CC) -c main.c -o main.o $(CFLAGS)

Untitled2.o: Untitled2.c
    $(CC) -c Untitled2.c -o Untitled2.o $(CFLAGS)

Errors

错误

C:\Users\varun\Desktop\cprog\Untitled2.o    Untitled2.c:(.text+0x0): multiple definition of `main'
C:\Users\varun\Desktop\cprog\main.o main.c:(.text+0x0): first defined here
C:\Users\varun\Desktop\cprog\collect2.exe   [Error] ld returned 1 exit status
25      C:\Users\varun\Desktop\cprog\Makefile.win   recipe for target 'Project1.exe' failed

1 个解决方案

#1

The important bit of the output is:

输出的重要部分是:

C:\Users\varun\Desktop\cprog\Untitled2.o    Untitled2.c:(.text+0x0): multiple definition of `main'

It tells you, that you have two definitions of function main. You need exactly one such definition in an executable. The next line of the error tells you, where that definition is:

它告诉你，函数main有两个定义。您需要在可执行文件中精确地定义一个这样的定义。误差的下一行告诉你，这个定义是:

C:\Users\varun\Desktop\cprog\main.o main.c:(.text+0x0): first defined here

So you have function main defined in Untitled2.c and you have another function main defined in main.c. Delete one of them. From the names perhaps the main.c is unnecessary altogether, but I can't tell without seeing the files.

所以你有函数main在Untitled2中定义。c还有一个main。c中定义的函数。删除其中的一个。从名字也许是主要的。c完全没有必要，但是我看不清楚文件。

#1