Bruno, The symbols it's looking for are should be in your implementation's C++ runtime library. Typically the kind of error you cite is caused by using gcc instead of g++ to do the linking step, though I'm a bit surprised not to see similar errors reported about iostream support. The only other thought I have is that maybe codeblocks is actually using a different compiler than the one you used to build Boost.Threads. At Thu, 13 Jan 2011 23:18:10 -0200, Bruno Ferraz do Amaral wrote:
Hello Simon,
thanks for the answer and suggestion.
My IDE is CodeBlocks, and I'm running it over Windows Vista 32.
My code is a simple example of the thread lib use:
Code:
#include
#include <iostream> using namespace std;
void hello_world() { cout << "Hello world, I'm a thread!" << endl; }
int main(int argc, char* argv[]) { // inicialize a new thread boost::thread my_thread( &hello_world ); // wait for the thread end my_thread.join();
return 0; }
It's very simple, and when I try to compile it, I got these errors:
C:\boost_1_45_0\stage\lib\libboost_thread-mgw45-mt-1_45.a(thread.o):thread.cpp:(.text+0x7d)||undefined reference to `__Unwind_Resume'| C:\boost_1_45_0\stage\lib\libboost_thread-mgw45-mt-1_45.a(thread.o):thread.cpp:(.text+0x66f)||undefined reference to `__Unwind_Resume'| C:\boost_1_45_0\stage\lib\libboost_thread-mgw45-mt-1_45.a(thread.o):thread.cpp:(.text+0x771)||undefined reference to `__Unwind_Resume'| C:\boost_1_45_0\stage\lib\libboost_thread-mgw45-mt-1_45.a(thread.o):thread.cpp:(.text+0xdbe)||undefined reference to `__Unwind_Resume'| C:\boost_1_45_0\stage\lib\libboost_thread-mgw45-mt-1_45.a(thread.o):thread.cpp:(.text+0xe53)||undefined reference to `__Unwind_Resume'| C:\boost_1_45_0\stage\lib\libboost_thread-mgw45-mt-1_45.a(thread.o):thread.cpp:(.eh_frame+0x12)||undefined reference to `___gxx_personality_v0'| ||=== Build finished: 6 errors, 0 warnings ===|
CodeBlocks uses MinGW as compiler, and due this is a C++ code, the g++ is been used (I guess).
note: I've built the boost using MinGW, not msvc.
2011/1/13 Simon Mpasi
Hello Bruno,
I have used boost libraries and they work for me on Windows. To better understand your question,
You may want to tell which environment you r are using, i.e. VC9, Windows XP, …, and including a copy of the code that is failing may help also.
Cheers,
Simon
*From:* boost-users-bounces@lists.boost.org [mailto: boost-users-bounces@lists.boost.org] *On Behalf Of *Bruno Ferraz do Amaral *Sent:* Wednesday, January 12, 2011 9:11 PM *To:* boost-users@lists.boost.org *Subject:* [Boost-users] Error '__Unwind_Resume' when trying to link codeblocks to boost::thread
Hi,
I'm a new user of Boost Libraries, and I'd use multithreading linking the boost::thread class into my projetct.
I'm using Code::Blocks, and I've built the Boost in Windows, and then I followed a wiki guide to link the libraries of the Boost.Thread with my Project in CodeBlocks.
However I found this reference errors:
C:\boost_1_45_0\stage\lib\libboost_thread-mgw45-mt-1_45.a(thread.o):thread.cpp:(.text+0x7d)||undefined reference to `__Unwind_Resume'| C:\boost_1_45_0\stage\lib\libboost_thread-mgw45-mt-1_45.a(thread.o):thread.cpp:(.text+0x66f)||undefined reference to `__Unwind_Resume'| C:\boost_1_45_0\stage\lib\libboost_thread-mgw45-mt-1_45.a(thread.o):thread.cpp:(.text+0x771)||undefined reference to `__Unwind_Resume'| C:\boost_1_45_0\stage\lib\libboost_thread-mgw45-mt-1_45.a(thread.o):thread.cpp:(.text+0xdbe)||undefined reference to `__Unwind_Resume'| C:\boost_1_45_0\stage\lib\libboost_thread-mgw45-mt-1_45.a(thread.o):thread.cpp:(.text+0xe53)||undefined reference to `__Unwind_Resume'| C:\boost_1_45_0\stage\lib\libboost_thread-mgw45-mt-1_45.a(thread.o):thread.cpp:(.eh_frame+0x12)||undefined reference to `___gxx_personality_v0'| ||=== Build finished: 6 errors, 0 warnings ===|
What I have to do? I tried a lot of tutorials and guides in Google, but no one works...
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-- ================================ Bruno Ferraz do Amaral Ciências da Computação - ICMC Universidade de São Paulo - USP São Carlos =================================
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