[LLVMbugs] [Bug 6550] New: linker error for std::istream::seekg

bugzilla-daemon at llvm.org bugzilla-daemon at llvm.org
Mon Mar 8 14:42:30 PST 2010


           Summary: linker error for std::istream::seekg
           Product: clang
           Version: trunk
          Platform: All
        OS/Version: Linux
            Status: NEW
          Severity: normal
          Priority: P
         Component: C++
        AssignedTo: unassignedclangbugs at nondot.org
        ReportedBy: tim.dawborn at gmail.com
                CC: llvmbugs at cs.uiuc.edu, dgregor at apple.com

Upon trying to use seekg on an istream clang++ produces a linker error.

$ cat test.cc 
#include <fstream>
#include <iostream>

main(void) {
  std::ifstream in("/etc/group", std::ios::in);
  in.seekg(0, std::ifstream::beg);

  return 0;
$ clang++ -o test test.cc
/tmp/cc-li0XV7.o: In function `main':
test.cc:(.text+0xb7): undefined reference to `std::basic_istream<char,
std::char_traits<char> >::seekg(long, std::_Ios_Seekdir)'
collect2: ld returned 1 exit status
clang: error: linker command failed with exit code 1 (use -v to see invocation)

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