http://gcc.gnu.org/bugzilla/show_bug.cgi?id=52133
Bug #: 52133 Summary: Undefined Symbol to _Bind_simple_helper Classification: Unclassified Product: gcc Version: 4.7.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: libstdc++ AssignedTo: unassig...@gcc.gnu.org ReportedBy: mario-baum...@web.de Hi All, since 1st of February i get an undefined symbol to U std::_Bind_simple_helper<void (std::thread::*)()<std::reference_wrapper<std::thread> > >::__type std::__bind_simple<void (std::thread::*)(), std::reference_wrapper<std::thread> >(void (std::thread::*&&)(), std::reference_wrapper<std::thread>&&) within libstdc++.so.6.0.17. Does anyone know why? Last gcc svn revision i tried was 183468. Mario. > uname -a Linux yoda55.intec.dom 2.6.18-194.el5 #1 SMP Fri Apr 2 14:58:14 EDT 2010 x86_64 x86_64 x86_64 GNU/Linux > rpm -qa "glibc*" | grep -e 'glibc-[0-9]' | sort -u glibc-2.5-49.el5_5.7 > g++ -v Using built-in specs. Target: x86_64-redhat-linux Configured with: ../configure --prefix=/usr --mandir=/usr/share/man --infodir=/usr/share/info --enable-shared --enable-threads=posix --enable-checking=release --with-system-zlib --enable-__cxa_atexit --disable-libunwind-exceptions --enable-libgcj-multifile --enable-languages=c,c++,objc,obj-c++,java,fortran,ada --enable-java-awt=gtk --disable-dssi --enable-plugin --with-java-home=/usr/lib/jvm/java-1.4.2-gcj-1.4.2.0/jre --with-cpu=generic --host=x86_64-redhat-linux Thread model: posix gcc version 4.1.2 20080704 (Red Hat 4.1.2-48) > ld -v GNU ld version 2.17.50.0.6-14.el5 20061020