Am Dienstag, 8. März 2016 13:40:12 UTC+1 schrieb Kyle Huey:
> You're probably just not linking to the xpcom glue library in eclipse/gcc.
>
> - Kyle
>
> On Tue, Mar 8, 2016 at 8:33 PM, Tobias Wolf wrote:
>
> > We`re develping a PKCS11 modul in c/c++ for a custom card reader to
> > support. I just want to display a simple dialog. The code below works great
> > until I stay on MS Visual Studio. But our project is running on eclipse/gcc.
> >
> > nsCOMPtr<nsIPromptService> promptService = do_GetService("@
> > mozilla.org/embedcomp/prompt-service;1"));
> > promptService->Alert(NULL, NULL, NULL);
> >
> > I`m getting the following error during linking, that comes because of the
> > different coding convention between VS and mingw/gcc on windows.
> >
> > C:/download/xulrunner-41.0b9.en-US.win64.sdk/xulrunner-sdk/include/nsCOMPtr.h:514:
> > undefined reference to
> > `nsCOMPtr_base::assign_from_gs_contractid(nsGetServiceByContractID, nsID
> > const&)'
> >
> > Am Montag, 7. März 2016 18:50:36 UTC+1 schrieb Benjamin Smedberg:
> > > On 3/7/2016 11:17 AM, Tobias Wolf wrote:
> > > > I try to call this code dynamically:
> > > >
> > > > nsCOMPtr<nsIPromptService> promptService = do_GetService("@
> > mozilla.org/embedcomp/prompt-service;1"));
> > > > promptService->Alert(NULL, NULL, NULL);
> > > >
> > > > I do the following:
> > > >
> > > > nsISomeInterface* mXPTCStub;
> > > > nsresult rc;
> > > > nsXPTCVariant params[3];
> > >
> > > Why are you trying to do this? Are you writing a shim layer that
> > > connects some other dynamic/scripting language to XPCOM?
> > >
> > > >
> > > > rc = NS_GetXPTCallStub(NS_IPROMPTSERVICE_IID, proxy, &mXPTCStub);
> > > >
> > > > params[0].val.p = NULL;
> > > > params[0].type = nsXPTType::T_VOID;
> > > > params[0].flags = 0;
> > > >
> > > > params[1].val.p = (void*)title;
> > > > params[1].type = nsXPTType::T_CHAR_STR;
> > > > params[1].flags = 0;
> > > >
> > > > params[2].val.p = (void*)text;
> > > > params[2].type = nsXPTType::T_CHAR_STR;
> > > > params[2].flags = 0;
> > > >
> > > > rc = NS_InvokeByIndex(mXPTCStub, 1, 3, params);
> > > > NS_DestroyXPTCallStub(mXPTCStub);
> > > >
> > > > But I don`t know how to use NS_GetXPTCallStub!
> > > > What means the second and third parameter from NS_GetXPTCallStub?
> > >
> > > Have you read the doccomments at
> > >
> > http://mxr.mozilla.org/mozilla-central/source/xpcom/reflect/xptcall/xptcall.h#174
> > > ?
> > >
> > > If you are trying to *invoke* a method, you don't need an xptcall stub
> > > at all. You just need NS_InvokeByIndex.
> > >
> > > An XPTCall stub is used to *implement* an XPCOM object whose
> > > type/interface definition isn't known at compile time, typically by
> > > mirroring it to an underlying scriptable object. You would need to
> > > implement a c++ class which implements nsIXPTCProxy and implements
> > > CallMethod.
> > >
> > > --BDS
> > _______________________________________________
> > dev-platform mailing list
> > dev-platform@lists.mozilla.org
> > https://lists.mozilla.org/listinfo/dev-platform
> >
This is my full gcc output, as you see I`m linking again -llibxpcomglue and
-lxul, all methods are found, only the com pointer c++ class not.
g++
"-LC:\\Daten\\_projects\\sourcecode\\trunk\\Auth-Client\\src\\main\\resources\\win32-x86-64"
-shared -o libAuth-Client.dll "src\\main\\cpp\\ac_ffplugin.o"
"src\\main\\cpp\\ac_locking.o" "src\\main\\cpp\\ac_log.o"
"src\\main\\cpp\\ac_openssl.o" "src\\main\\cpp\\ac_openssl_util.o"
"src\\main\\cpp\\ac_ui.o" "src\\main\\cpp\\ac_webservice.o"
"src\\main\\cpp\\ac_xmlconfig.o" "src\\main\\cpp\\stdsoap2.o"
"src\\main\\cpp\\webservice\\CertificateServiceClientLib.o"
"src\\main\\cpp\\webservice\\EventServiceClientLib.o"
"src\\main\\cpp\\webservice\\SignatureServiceClientLib.o"
"src\\main\\cpp\\webservice\\envC.o" -llibxpcomglue -lxul -llibxml2-2
-llibeay32 -lssleay32 -llibcharset-1 -llibexpat-1 -llibiconv-2 -lliblog4c-3
-lzlib1 -lws2_32
src\main\cpp\ac_ui.o: In function
`nsCOMPtr<nsIPromptService>::nsCOMPtr(nsGetServiceByContractID)':
C:/download/xulrunner-41.0b9.en-US.win64.sdk/xulrunner-sdk/include/nsCOMPtr.h:514:
undefined reference to
`nsCOMPtr_base::assign_from_gs_contractid(nsGetServiceByContractID, nsID
const&)'
collect2.exe: error: ld returned 1 exit status
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