Makefile问题：g ++：fatal错误：没有输入文件 [英] Makefile issues: g++: fatal error: no input files

问题描述

我已经做了：

我已经浏览了其他类似问题的StackOverflow线程，适用于我的具体情况。我也双重检查，以确保正确的文件在正确的位置（文件夹），并且一切都命名正确。

这是错误我'm receiving：

  [[e-mail]] $ make 
 g ++ -Wall -O2 -ansi -pedantic -o dog.cpp 
 g ++：致命错误：没有输入文件
编译终止。 
 make：*** [mscp.o]错误4 
  

这是makefile ：

  CC = g ++ 
 CFLAGS = -Wall -O2 -ansi -pedantic -Werror 
 
 TARGETS = dog dog.o collar.o 
 
 dog：dog.o collar.o 
 $（CC）$（CFLAGS）-o dog collar.o dog.o 
 
 dog.o：dog.cpp collar.h 
 $（CC）$（CFLAGS）-o dog.cpp 
 
 collar.o：collar.cpp领。 h 
 $（CC）$（CFLAGS）-o collar.cpp 
 
 clean：
 -rm -f $ {TARGETS} 
  

这些文件（它们都在同一目录中）被makefile引用：

  -collar.cpp 
 -collar.h 
 -makefile 
 -dog.cpp 
  
 
 
 
我做错了什么？
解决方案
 
  dog.o：dog.cpp collar.h 
 $（CC）$（CFLAGS）-o dog.cpp 
 
 collar.o：collar.cpp collar.h 
 $（CC）$（CFLAGS）-o collar.cpp 
  
应为
  dog.o：dog.cpp collar.h 
 $（CC）$（CFLAGS）-c dog.cpp 
 
 collar.o：collar.cpp collar.h 
 $（CC）$（CFLAGS） -c collar.cpp 
  
 
What I've already done:

I've looked through other StackOverflow threads with similar issues, but none of them seem to apply to my specific case. I've also double checked to makes sure that the correct files are in the correct locations (folders) and that everything is named properly as well.

This is the error I'm receiving:
[[e-mail]]$ make
g++ -Wall -O2 -ansi -pedantic -o dog.cpp
g++: fatal error: no input files
compilation terminated.
make: *** [mscp.o] Error 4
Here's the makefile in question:
CC = g++
CFLAGS = -Wall -O2 -ansi -pedantic -Werror

TARGETS = dog dog.o collar.o

dog: dog.o collar.o
    $(CC) $(CFLAGS) -o dog collar.o dog.o

dog.o: dog.cpp collar.h
    $(CC) $(CFLAGS) -o dog.cpp

collar.o: collar.cpp collar.h
    $(CC) $(CFLAGS) -o collar.cpp

clean:
    -rm -f ${TARGETS}
Here are the files (they're all in the same directory) that are being referenced by the makefile:
-collar.cpp
-collar.h
-makefile
-dog.cpp
What am I doing wrong?
解决方案
This
dog.o: dog.cpp collar.h
    $(CC) $(CFLAGS) -o dog.cpp

collar.o: collar.cpp collar.h
   $(CC) $(CFLAGS) -o collar.cpp
should read
dog.o: dog.cpp collar.h
    $(CC) $(CFLAGS) -c dog.cpp

collar.o: collar.cpp collar.h
    $(CC) $(CFLAGS) -c collar.cpp


                        
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