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From: drkmkzs <dr...@gm...> - 2014-02-28 17:42:39
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Hello, I'm trying to use log4cplus on windows7, with MinGW, but I am expericencing some problems ... I tried the 1.1.3-rc1 and 1.1.2, it has the same behaviour. Compilation of log4cplus is OK with Cmake, i have my liblog4cplusU.dll, so far, cool :) In my app i create a static lib that links to the liblog4cplusU.dll, it's ok. But when my exe tries to link with my static library, i have some error "undefined reference to `_imp___ZN9log4cplus6Logger11getInstanceERKSs'" I have checked that my CmakeList of my exe has correct link and libraries directory specified ... I have read some thread : http://stackoverflow.com/questions/2848556/c-project-compiles-as-static-lib-fails-linker-error-as-dynamic-lib-why I tried to add definitions in my Cmake ( LOG4CPLUS_BUILD_DLL, log4cplus_EXPORTS, DLL_EXPORT) , but it didn't change anything .... Am I missing anything ? Thanx a lot :) |
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From: Václav Z. <vha...@gm...> - 2014-02-28 18:36:53
Attachments:
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On 02/28/2014 06:42 PM, drkmkzs wrote: > Hello, > > I'm trying to use log4cplus on windows7, with MinGW, but I am > expericencing some problems ... > > I tried the 1.1.3-rc1 and 1.1.2, it has the same behaviour. > > Compilation of log4cplus is OK with Cmake, i have my > liblog4cplusU.dll, so far, cool :) > > In my app i create a static lib that links to the liblog4cplusU.dll, > it's ok. > > But when my exe tries to link with my static library, i have some > error "undefined reference to > `_imp___ZN9log4cplus6Logger11getInstanceERKSs'" I have checked that > my CmakeList of my exe has correct link and libraries directory > specified ... > > I have read some thread : > http://stackoverflow.com/questions/2848556/c-project-compiles-as-static-lib-fails-linker-error-as-dynamic-lib-why > > I tried to add definitions in my Cmake ( LOG4CPLUS_BUILD_DLL, > log4cplus_EXPORTS, DLL_EXPORT) , but it didn't change anything .... > > Am I missing anything ? I suspect that when you are linking your static library to your executable, it does not pull in the dependency on the log4cplus DLL import library. Try linking your executable specifically to liblog4cplusU.a, or whatever is the correct log4cplus DLL import library file name. -- VZ |
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From: drkmkzs <dr...@gm...> - 2014-03-03 16:59:41
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Thank for help, But i was explicitely linking with lib4cplusU DLL when linking my application with my static lib. Indeed my error was to forget to add some cmake definition for unicode in my cmake, as in the examples... So after that, it was ok except my app didn't compile, when logging some trace using glibmm methods... So for the moment, I have recompiled log4cplus without unicode support, removed the definitions in my cmake, and all compile well (except for some bad things from my side). What is the unicode option for ? I guess to treat specific type as unicode compliant types ? 2014-02-28 19:36 GMT+01:00 Václav Zeman <vha...@gm...>: > On 02/28/2014 06:42 PM, drkmkzs wrote: > > Hello, > > > > I'm trying to use log4cplus on windows7, with MinGW, but I am > > expericencing some problems ... > > > > I tried the 1.1.3-rc1 and 1.1.2, it has the same behaviour. > > > > Compilation of log4cplus is OK with Cmake, i have my > > liblog4cplusU.dll, so far, cool :) > > > > In my app i create a static lib that links to the liblog4cplusU.dll, > > it's ok. > > > > But when my exe tries to link with my static library, i have some > > error "undefined reference to > > `_imp___ZN9log4cplus6Logger11getInstanceERKSs'" I have checked that > > my CmakeList of my exe has correct link and libraries directory > > specified ... > > > > I have read some thread : > > > http://stackoverflow.com/questions/2848556/c-project-compiles-as-static-lib-fails-linker-error-as-dynamic-lib-why > > > > I tried to add definitions in my Cmake ( LOG4CPLUS_BUILD_DLL, > > log4cplus_EXPORTS, DLL_EXPORT) , but it didn't change anything .... > > > > Am I missing anything ? > > I suspect that when you are linking your static library to your > executable, it does not pull in the dependency on the log4cplus DLL > import library. Try linking your executable specifically to > liblog4cplusU.a, or whatever is the correct log4cplus DLL import library > file name. > > -- > VZ > > > > > > ------------------------------------------------------------------------------ > Flow-based real-time traffic analytics software. Cisco certified tool. > Monitor traffic, SLAs, QoS, Medianet, WAAS etc. with NetFlow Analyzer > Customize your own dashboards, set traffic alerts and generate reports. > Network behavioral analysis & security monitoring. All-in-one tool. > > http://pubads.g.doubleclick.net/gampad/clk?id=126839071&iu=/4140/ostg.clktrk > _______________________________________________ > Log4cplus-devel mailing list > Log...@li... > https://lists.sourceforge.net/lists/listinfo/log4cplus-devel > > |
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From: Václav Z. <vha...@gm...> - 2014-03-03 22:06:35
Attachments:
signature.asc
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On 03/03/2014 05:59 PM, drkmkzs wrote: > Thank for help, > > But i was explicitely linking with lib4cplusU DLL when linking my > application with my static lib. > > Indeed my error was to forget to add some cmake definition for unicode > in my cmake, as in the examples... > > So after that, it was ok except my app didn't compile, when logging some > trace using glibmm methods... > > So for the moment, I have recompiled log4cplus without unicode support, > removed the definitions in my cmake, and all compile well (except for > some bad things from my side). What is the unicode option for ? I guess > to treat specific type as unicode compliant types ? The Unicode option serves the same purpose as the UNICODE (and _UNICODE) preprocessor symbols do in Windows headers. They switch between char and wchar_t in the API. When it is not defined, all the interfaces take chars and std::strings. When it is defined, all the interfaces take wchar_ts and std::wstrings. > > > 2014-02-28 19:36 GMT+01:00 Václav Zeman <vha...@gm... > <mailto:vha...@gm...>>: > > On 02/28/2014 06:42 PM, drkmkzs wrote: > > Hello, > > > > I'm trying to use log4cplus on windows7, with MinGW, but I am > > expericencing some problems ... > > > > I tried the 1.1.3-rc1 and 1.1.2, it has the same behaviour. > > > > Compilation of log4cplus is OK with Cmake, i have my > > liblog4cplusU.dll, so far, cool :) > > > > In my app i create a static lib that links to the liblog4cplusU.dll, > > it's ok. > > > > But when my exe tries to link with my static library, i have some > > error "undefined reference to > > `_imp___ZN9log4cplus6Logger11getInstanceERKSs'" I have checked that > > my CmakeList of my exe has correct link and libraries directory > > specified ... > > > > I have read some thread : > > > http://stackoverflow.com/questions/2848556/c-project-compiles-as-static-lib-fails-linker-error-as-dynamic-lib-why > > > > I tried to add definitions in my Cmake ( LOG4CPLUS_BUILD_DLL, > > log4cplus_EXPORTS, DLL_EXPORT) , but it didn't change anything .... > > > > Am I missing anything ? > > I suspect that when you are linking your static library to your > executable, it does not pull in the dependency on the log4cplus DLL > import library. Try linking your executable specifically to > liblog4cplusU.a, or whatever is the correct log4cplus DLL import library > file name. -- VZ |
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From: drkmkzs <dr...@gm...> - 2014-03-05 15:06:39
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ok, thanks for precision :) 2014-03-03 23:06 GMT+01:00 Václav Zeman <vha...@gm...>: > On 03/03/2014 05:59 PM, drkmkzs wrote: > > Thank for help, > > > > But i was explicitely linking with lib4cplusU DLL when linking my > > application with my static lib. > > > > Indeed my error was to forget to add some cmake definition for unicode > > in my cmake, as in the examples... > > > > So after that, it was ok except my app didn't compile, when logging some > > trace using glibmm methods... > > > > So for the moment, I have recompiled log4cplus without unicode support, > > removed the definitions in my cmake, and all compile well (except for > > some bad things from my side). What is the unicode option for ? I guess > > to treat specific type as unicode compliant types ? > > The Unicode option serves the same purpose as the UNICODE (and _UNICODE) > preprocessor symbols do in Windows headers. They switch between char and > wchar_t in the API. When it is not defined, all the interfaces take > chars and std::strings. When it is defined, all the interfaces take > wchar_ts and std::wstrings. > > > > > > > 2014-02-28 19:36 GMT+01:00 Václav Zeman <vha...@gm... > > <mailto:vha...@gm...>>: > > > > On 02/28/2014 06:42 PM, drkmkzs wrote: > > > Hello, > > > > > > I'm trying to use log4cplus on windows7, with MinGW, but I am > > > expericencing some problems ... > > > > > > I tried the 1.1.3-rc1 and 1.1.2, it has the same behaviour. > > > > > > Compilation of log4cplus is OK with Cmake, i have my > > > liblog4cplusU.dll, so far, cool :) > > > > > > In my app i create a static lib that links to the > liblog4cplusU.dll, > > > it's ok. > > > > > > But when my exe tries to link with my static library, i have some > > > error "undefined reference to > > > `_imp___ZN9log4cplus6Logger11getInstanceERKSs'" I have checked that > > > my CmakeList of my exe has correct link and libraries directory > > > specified ... > > > > > > I have read some thread : > > > > > > http://stackoverflow.com/questions/2848556/c-project-compiles-as-static-lib-fails-linker-error-as-dynamic-lib-why > > > > > > I tried to add definitions in my Cmake ( LOG4CPLUS_BUILD_DLL, > > > log4cplus_EXPORTS, DLL_EXPORT) , but it didn't change anything .... > > > > > > Am I missing anything ? > > > > I suspect that when you are linking your static library to your > > executable, it does not pull in the dependency on the log4cplus DLL > > import library. Try linking your executable specifically to > > liblog4cplusU.a, or whatever is the correct log4cplus DLL import > library > > file name. > > -- > VZ > > > > > ------------------------------------------------------------------------------ > Subversion Kills Productivity. Get off Subversion & Make the Move to > Perforce. > With Perforce, you get hassle-free workflows. Merge that actually works. > Faster operations. Version large binaries. Built-in WAN optimization and > the > freedom to use Git, Perforce or both. Make the move to Perforce. > > http://pubads.g.doubleclick.net/gampad/clk?id=122218951&iu=/4140/ostg.clktrk > _______________________________________________ > Log4cplus-devel mailing list > Log...@li... > https://lists.sourceforge.net/lists/listinfo/log4cplus-devel > > |
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