编译器错误:体系结构x86_64的未定义符号 [英] Compiler Error: Undefined symbols for architecture x86_64
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问题描述
尝试编译时出现此奇怪错误。
I'm getting this weird error when I try to compile.
x86_64体系结构的未定义符号:
readRecipe(std :: basic_istream< char,std :: char_traits< char>& ;, std :: basic_ostream< char,std :: char_traits< char>& ;, Cookbook&)
:cclDKibb.o中的
_main
ld:针对体系结构x86_64
collect2找不到符号:ld返回1个退出状态
Undefined symbols for architecture x86_64:
readRecipe(std::basic_istream<char, std::char_traits<char> >&, std::basic_ostream<char, std::char_traits<char> >&, Cookbook&)
, referenced from:
_main in cclDKibb.o
ld: symbol(s) not found for architecture x86_64
collect2: ld returned 1 exit status
这是它所指的功能:
void readRecipe(std::ifstream &istr, std::ofstream &ostr, Cookbook &cookbook)
{
int units; std::string name, name2;
// Read recipe name.
istr >> name;
// Build the new recipe Recipe r(name);
while (1)
{
istr >> units;
if (units == 0)
break;
assert (units > 0);
istr >> name2;
Ingredient i(name2, units);
r.addIngredient(i);
}
// Add it to the list.
if (cookbook.addRecipe(r, ostr))
ostr << "Recipe for " << name << " added" << std::endl;
else
ostr << "Recipe for " << name << "already exists" << std::endl;
}
有什么想法吗?
推荐答案
我知道了。我对该函数的原型搞砸了。
I figured it out. My prototype for the function was messed up.
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