假如在程序中用到new delete操作,而不加此选项进行编译会出现以下错误信息:zch07eha01:/home/mrbt48/cpp> gcc -o RG RandomTest.cpp /tmp/cciMHHyb.o(.text+0x2b): In function `main': : undefined reference to `operator new(unsigned int)' /tmp/cciMHHyb.o(.text+0x51): In function `main'...
厂商给提供了SDK,SDK中视频流的生成和保存部分都直接沿用,但是这一部分是用C写成的,导致我想用opencv处理只能通过生成一个库文件,再在那个视频生成保存程序(这个程序为make的最终目标)中进行调用,但是生成库文件后调用出现大量undefined reference to xxx:
/usr/src/debug/cygwin-3.3.3-1/winsup/cygwin/lib/_cygwin_crt0_common.cc:78: undefined reference to `operator new(unsigned long)' collect2: error: ld returned 1 exit status Build finished with error(s). Terminal will be reused by tasks, press any key to close it. 这似乎变成一场猎巫游...
more undefined references to `operator delete(void*, unsigned long)' follow ~/GuiLiteSamples/HostMonitor/BuildLinux/libs/libcore.a(display.cpp.o): In function `c_display::snap_shot(char const*)': display.cpp:(.text+0x9b4): undefined reference to `__cxa_throw_bad_array_new_length' ~/Gui...
function `curlx_tvnow': timeval.c:(.text+0xe9): undefined reference to `clock_gettime' 4) 下面这个是因为没有指定链接参数-ldl /usr/local/thirdparty/openssl/lib/libcrypto.a(dso_dlfcn.o): In function `dlfcn_globallookup': dso_dlfcn.c:(.text+0x4c): undefined reference to `dlopen' dso...
undefined symbol: EVP_enc_null 19) 下列是链接错误,不是编译错误,加上“-pthread”即可,注意不是“-lpthread”: /usr/local/mysql/lib/mysql/libmysqlclient.a(charset.c.o): In function `get_charset_name': /home/software/mysql-5.5.24/mysys/charset.c:533: undefined reference to `pthread_once' ...
: undefined reference to `std::cout' /tmp/ccJVmST1.o(.text+0x208): In function `main': : undefined reference to `std::basic_ostream<char, std::char_traits<char> >::operator<<(std::basic_ostream<char, std::char_traits<char> >& (*)(std::basic_ostream<char, std::char_traits<...
o: In function `main':hello.cpp:(.text+0x8e): undefined reference to `std::cout'hello.cpp:(.text+0x93): undefined reference to `std::basic_ostream >& std::operator<< >(std::basic_ostream >&, char const*)'/tmp/cch6oUy9.o:(.eh_frame+0x11): undefined reference to `__gxx_...
hello.cpp:(.text+0x8e): undefined reference to `std::cout'hello.cpp:(.text+0x93):undefinedreference to `std::basic_ostream<char,std::char_traits<char>>&std::operator<< 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 11. 12. 13. ...
bazel-out/host/bin/external/com_google_protobuf/_objs/protoc_lib/command_line_interface.o:command_line_interface.cc:function non-virtual thunk to google::protobuf::compiler::CommandLineInterface::ErrorPrinter::~ErrorPrinter(): error: undefined reference to 'operator delete(void*, unsigned long)'...