我想在C++中使用libconfig運行我的第一個基本程序。我編了g++ testing.cpp -o testing
。libconfig未定義的體系結構x86_64的符號
#include <iostream>
#include <cstdlib>
#include <libconfig.h++>
using namespace std;
using namespace libconfig;
int main(){
Config cfg;
// Read the file. If there is an error, report it and exit.
//try
//{
cfg.readFile("/tmp/eg-report-hutapp02q-161017-08-26/eg.cfg");
//}
/*catch(const FileIOException &fioex)
{
cerr << "I/O error while reading file." << endl;
return(EXIT_FAILURE);
}
catch(const ParseException &pex)
{
cerr << "Parse error at " << pex.getFile() << ":" << pex.getLine()
<< " - " << pex.getError() << std::endl;
return(EXIT_FAILURE);
}*/
cout << "This compiled" << endl;
return 0;
}
當我在RHEL6運行,我得到以下錯誤(僅第一行):
testing.cpp:(.text+0x13): undefined reference to ``libconfig::Config::Config()'
當我在Mac上Darwin內核15.5.0上運行,我得到這個錯誤:
Undefined symbols for architecture x86_64: "libconfig::Config::readFile(char const*)", referenced from: _main in testing-59bdf7.o "libconfig::Config::Config()", referenced from: _main in testing-59bdf7.o "libconfig::Config::~Config()", referenced from: _main in testing-59bdf7.o "typeinfo for libconfig::ParseException", referenced from: GCC_except_table0 in testing-59bdf7.o "typeinfo for libconfig::FileIOException", referenced from: GCC_except_table0 in testing-59bdf7.o ld: symbol(s) not found for architecture x86_64 clang: error: linker command failed with exit code 1 (use -v to see invocation)
這只是從下載libconfig-1.5.tar.gz文件的例子。我經歷了mac上的makefile進程,得到了那個錯誤,然後brew已安裝的libconfig-1.6,仍然收到相同的錯誤。我在這裏不知所措。任何幫助表示讚賞。
你可以添加你使用的編譯器命令嗎?你使用什麼旗幟? – ShadowMitia
@ShadowMitia我將命令添加到開頭。我只用了一個簡單的'g ++ testing.cpp -o testing'。所以沒有特殊的標誌。 – TriHard8