Hello Zhou, 2009/3/18 zhou drangon <drangon.z...@gmail.com>: > 2009/1/13 NightStrike <nightstr...@gmail.com>: >> On Thu, Oct 23, 2008 at 9:17 AM, Kai Tietz <kai.ti...@onevision.com> wrote: >>> Jesper Quorning <jquorn...@clcbio.com> wrote on 23.10.2008 14:13:08: >>> >>>> Hi All, >>>> I try to link together a module compiled with x86_64-pc-mingw32-gcc and >>>> a module compiled with MS cl (64bit). link with MS link, but it fails >>> with >>>> >>>> hello.obj : error LNK2019: unresolved external symbol call_me referenced >>> >>>> in function main >>>> >>>> I have tryed with different call conventions but without any luck. What >>>> am I missing here ? >>>> >>>> Regards, >>>> Jesper Quorning >>> >>> The problem here is the name decoration. MS doesn't extend the public >>> symbols in objects by underscores, mingw-w64 does this by default. But you >>> can recompile mingw-w64 crt and your app by using option >>> -fno-leading-underscores. This should work. >>> The other solution would be, name the exported method call_me in VS >>> _call_me, and reference in gcc just without the leading underscore. >>> >>> I hope I could help. >>> >>> Cheers, Kai > > I have the similar problem and the -fno-leading-underscores resolve the > problem. > Now I can use VS2005 to link with static library created by mingw-w64. > But when I want to change the static library to dynamic library, the > following error emit : > > g++ -g -Wall -pipe -fno-leading-underscore -DDLL_CREATE -c -o adlib.o > adlib.cpp > > g++ -g -Wall -pipe -fno-leading-underscore -DDLL_CREATE -shared > -Wl,--out-impli > b,adlib.lib -o adlib.so adlib.o > Creating library file: adlib.lib > Cannot export _ZN4ADYC4FuncEi: symbol not found > Cannot export _ZN4ADYCC1Ev: symbol not found > Cannot export _ZN4ADYCC2Ev: symbol not found > Cannot export _ZN4ADYCD1Ev: symbol not found > Cannot export _ZN4ADYCD2Ev: symbol not found > Cannot export g_dy_data: symbol not found > Cannot export g_dy_func: symbol not found > collect2: ld returned 1 exit status > make: *** [adlib.so] Error 1 > > Even If I do not create the import-library for VS2005, the error emit : > g++ -g -Wall -pipe -fno-leading-underscore -DDLL_CREATE -c -o adlib.o > adlib.cpp > > g++ -g -Wall -pipe -fno-leading-underscore -DDLL_CREATE -shared -o adlib.so > adl > ib.o > Cannot export _ZN4ADYC4FuncEi: symbol not found > Cannot export _ZN4ADYCC1Ev: symbol not found > Cannot export _ZN4ADYCC2Ev: symbol not found > Cannot export _ZN4ADYCD1Ev: symbol not found > Cannot export _ZN4ADYCD2Ev: symbol not found > Cannot export g_dy_data: symbol not found > Cannot export g_dy_func: symbol not found > collect2: ld returned 1 exit status > make: *** [adlib.so] Error 1 > > The gcc version I used is : > > E:\code\test_inter>gcc -v > Using built-in specs. > Target: x86_64-pc-mingw32 > Configured with: ../gcc/configure --host=x86_64-pc-mingw32 > --target=x86_64-pc-mi > ngw32 --disable-nls --enable-languages=c,c++ > --with-gmp=/compile/mingw/for_targe > t --enable-twoprocess --disable-libstdcxx-pch --prefix=/compile/mingw/target > --w > ith-sysroot=/compile/mingw/target > Thread model: win32 > gcc version 4.4.0 20090307 (experimental) (GCC) > > >> >> Jesper, did this fix your issue? >> >> ------------------------------------------------------------------------------ >> This SF.net email is sponsored by: >> SourcForge Community >> SourceForge wants to tell your story. >> http://p.sf.net/sfu/sf-spreadtheword >> _______________________________________________ >> Mingw-w64-public mailing list >> Mingw-w64-public@lists.sourceforge.net >> https://lists.sourceforge.net/lists/listinfo/mingw-w64-public >> > > > > -- > regards, > > drangon > ------------------------- > homepage : http://www.drangon.org/ > mingw stuff : http://www.drangon.org/mingw/ > ------------------------- > > ------------------------------------------------------------------------------ > Apps built with the Adobe(R) Flex(R) framework and Flex Builder(TM) are > powering Web 2.0 with engaging, cross-platform capabilities. Quickly and > easily build your RIAs with Flex Builder, the Eclipse(TM)based development > software that enables intelligent coding and step-through debugging. > Download the free 60 day trial. http://p.sf.net/sfu/www-adobe-com > _______________________________________________ > Mingw-w64-public mailing list > Mingw-w64-public@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/mingw-w64-public >
Yes, there are some issues in binutils, gcc, and our crt about this. We plan to fix this while 4.5 Stage 1. See http://sourceforge.net/tracker2/?func=detail&aid=2688335&group_id=202880&atid=983354 Cheers, Kai -- | (\_/) This is Bunny. Copy and paste | (='.'=) Bunny into your signature to help | (")_(") him gain world domination ------------------------------------------------------------------------------ Apps built with the Adobe(R) Flex(R) framework and Flex Builder(TM) are powering Web 2.0 with engaging, cross-platform capabilities. Quickly and easily build your RIAs with Flex Builder, the Eclipse(TM)based development software that enables intelligent coding and step-through debugging. Download the free 60 day trial. http://p.sf.net/sfu/www-adobe-com _______________________________________________ Mingw-w64-public mailing list Mingw-w64-public@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/mingw-w64-public
