제 2 소스 파일은 다음과 같습니다오류 건물 C 프로그램
을 main.c :
#include <stdio.h>
#include "part2.c"
extern int var1;
extern int array1[];
int main()
{
var1 = 4;
array1[0] = 2;
array1[1] = 4;
array1[2] = 5;
array1[3] = 7;
display();
printf("---------------");
printf("Var1: %d", var1);
printf("array elements:");
int x;
for(x = 0;x < 4;++x)
printf("%d: %d", x, array1[x]);
return 0;
}
part2.c 내가 프로그램을 컴파일하려고
#include <stdio.h>
int var1;
int array1[4];
void display(void);
void display(void)
{
printf("Var1: %d", var1);
printf("array elements:");
int x;
for(x = 0;x < 4;++x)
printf("%d: %d", x, array1[x]);
}
이것은 내가 얻는 것이다 :
012 3,516,Ld /Users/John/Library/Developer/Xcode/DerivedData/Test-blxrdmnozbbrbwhcekmouessaprf/Build/Products/Debug/Test normal x86_64 cd /Users/John/Xcode/Test setenv MACOSX_DEPLOYMENT_TARGET 10.7 /Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang -arch x86_64 -isysroot /Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX10.7.sdk -L/Users/John/Library/Developer/Xcode/DerivedData/Test-blxrdmnozbbrbwhcekmouessaprf/Build/Products/Debug -F/Users/John/Library/Developer/Xcode/DerivedData/Test-blxrdmnozbbrbwhcekmouessaprf/Build/Products/Debug -filelist /Users/John/Library/Developer/Xcode/DerivedData/Test-blxrdmnozbbrbwhcekmouessaprf/Build/Intermediates/Test.build/Debug/Test.build/Objects-normal/x86_64/Test.LinkFileList -mmacosx-version-min=10.7 -o /Users/John/Library/Developer/Xcode/DerivedData/Test-blxrdmnozbbrbwhcekmouessaprf/Build/Products/Debug/Test
ld: duplicate symbol _display in /Users/John/Library/Developer/Xcode/DerivedData/Test-blxrdmnozbbrbwhcekmouessaprf/Build/Intermediates/Test.build/Debug/Test.build/Objects-normal/x86_64/part2.o and /Users/John/Library/Developer/Xcode/DerivedData/Test-blxrdmnozbbrbwhcekmouessaprf/Build/Intermediates/Test.build/Debug/Test.build/Objects-normal/x86_64/main.o for architecture x86_64 clang: error: linker command failed with exit code 1 (use -v to see invocation)
나는 엑스 코드를 사용하고 두 파일은 C 프로젝트의 내부가 Test
라고입니까?
먼저 [헤더 파일] (http://en.wikipedia.org/wiki/Header_file)을 사용하는 방법을 알아보십시오. –
나는 관련성이있는 오류 메시지의 유일한 부분을 굵게 표시했습니다. –