On 22 May 2013 15:05, Rainer Orth wrote: > Jonathan Wakely <jwakely....@gmail.com> writes: > >> This alters the configure script to enable C++11 thread library >> features based on targets that are known to support the features, >> rather than based on link tests which are disabled by default. With >> Glibc 2.17 this enables a nanosecond resolution std::system_clock in >> the default configuration, yay! >> >> I've tested this on two versions of Fedora and Debian, but would be >> grateful for test results on Solaris, Cygwin and BSD targets, and for >> cross-compilers to any of those targets. > > Apart from the abi_check failure already reported, I get the following > testsuite regressions on Solaris 10/x86:
Thanks for checking it. > FAIL: 30_threads/async/54297.cc (test for excess errors) > WARNING: 30_threads/async/54297.cc compilation failed to produce executable > FAIL: 30_threads/condition_variable_any/53830.cc (test for excess errors) > WARNING: 30_threads/condition_variable_any/53830.cc compilation failed to > produ > e executable > FAIL: 30_threads/this_thread/3.cc (test for excess errors) > WARNING: 30_threads/this_thread/3.cc compilation failed to produce executable > FAIL: 30_threads/this_thread/4.cc (test for excess errors) > WARNING: 30_threads/this_thread/4.cc compilation failed to produce executable > FAIL: 30_threads/thread/native_handle/cancel.cc (test for excess errors) > WARNING: 30_threads/thread/native_handle/cancel.cc compilation failed to > produc > e executable > > All of them have the same root cause: > > Excess errors: > Undefined first referenced > symbol in file > nanosleep /var/tmp//ccQhmiwd.o (symbol belongs to > implicit dependency /lib/librt.so.1) > ld: fatal: symbol referencing errors. No output written to ./54297.exe > collect2: error: ld returned 1 exit status > > It seems that now every single C++ program needs to be linked with -lrt, > not only libstdc++.so. This will also happen on Solaris 9 (bootstrap > still running), while on Solaris 11 nanosleep and the others were > integrated into libc.so.1. I see. Would you prefer to disable use of nanosleep on Solaris 9 and 10, or to keep using it and link to librt?
