(forgot to say) this program compile and links fine on g++ 4.6 ,4.7, 4.8 on ubuntu ,centos, freebsd etc without modification.
Cheers. On Mon, Nov 11, 2013 at 6:33 PM, Yucong Sun <sunyuc...@gmail.com> wrote: > I've tried on both 32bit and 64bit clean cygwin install, the result is > same. Something is wrong with cygwin's gcc. > > my configure script by default uses g++ --std=c++11, this still have > problem of " no snprintf " , after I replace all snprintf() with > sprintf() , I've met the same linkage problem again. > > g++ --std=gnu++0x "fixes" the snprintf problem, but it still have same > linkage problem. > > Any help will be much appreciated. > > Cheers. > > On Mon, Nov 11, 2013 at 3:37 PM, Yucong Sun <sunyuc...@gmail.com> wrote: >> Yes, the sha1 matches. >> >> sunyc@sunyc-wks /lib/gcc/i686-pc-cygwin/4.8.2 >> $ sha1sum.exe libstdc++.* >> f4dfadfddade3aceaf4852cd5db31372ab7ef0d1 *libstdc++.a >> 963e2a697c3a1a7d036d975b07f4c408bbd1cb2d *libstdc++.dll.a >> >> Also I couldn't find GLIB_xxx version number in libstdc++.a >> >> sunyc@sunyc-wks /lib/gcc/i686-pc-cygwin/4.8.2 >> $ strings.exe libstdc++.a | grep GLIB >> GLIBCXX_FORCE_NEW >> GLIBCXX_FORCE_NEW >> GLIBCXX_DEBUG_MESSAGE_LENGTH >> >> Cheers. >> >> On Mon, Nov 11, 2013 at 2:28 PM, JonY <10wa...@gmail.com> wrote: >>> On 11/12/2013 06:17, JonY wrote: >>>> On 11/12/2013 05:17, Yucong Sun wrote: >>>>> Hi, >>>>> >>>>> I'm trying to compile a program under cygwin with latest gcc 4.8.2, >>>>> the program compiles fine, but link failed. I'm suspecting this has >>>>> something todo with libstdc++ but I couldn't find any document on how >>>>> to check libstdc++ version (cygwin setup claim it is version 4.8.2 >>>>> already). >>>>> >>>> >>>> I'm not sure either, could you ask gcc-help instead? >>>> >>>> >>> >>> 963e2a697c3a1a7d036d975b07f4c408bbd1cb2d *libstdc++.dll.a >>> f4dfadfddade3aceaf4852cd5db31372ab7ef0d1 *libstdc++.a >>> >>> Is your sha1sum matching mine for 4.8.2? >>> >>> -- Problem reports: http://cygwin.com/problems.html FAQ: http://cygwin.com/faq/ Documentation: http://cygwin.com/docs.html Unsubscribe info: http://cygwin.com/ml/#unsubscribe-simple