Linking phobos64.lib errors

Szymon Gatner via Digitalmars-d-learn digitalmars-d-learn at puremagic.com
Wed Sep 3 02:13:51 PDT 2014


On Wednesday, 3 September 2014 at 08:47:35 UTC, Rikki Cattermole 
wrote:
> On 3/09/2014 7:22 p.m., Szymon Gatner wrote:
>> Hi,
>>
>> I am trying to make simple x64 C++ application that uses D 
>> static
>> library (trying to do "Interfacing with C++" from "D Cookbook" 
>> chapter).
>> I am Using Visual Studio 2012 to create main() like this:
>>
>> #include <iostream>
>>
>> extern "C" int rt_init();
>> extern "C" void rt_term();
>> // RAII struct for D runtime initialization and termination
>> struct DRuntime {
>>   DRuntime() {
>>     if(!rt_init()) {
>>       // you could also use an exception
>>       fprintf(stderr, "D Initialization failed");
>>       exit(1);
>>     }
>>   }
>>   ~DRuntime() {
>>     rt_term();
>>   }
>> };
>>
>> int main()
>> {
>>   DRuntime druntime;
>> }
>>
>> and then I am just setting linker to link to phobos64.lib but 
>> I am
>> getting those:
>>
>> 1>phobos64.lib(dmain2_4ec_2f9.obj) : error LNK2019: unresolved 
>> external
>> symbol _deh_beg referenced in function rt_init
>> 1>phobos64.lib(sections_win64_575_4e2.obj) : error LNK2001: 
>> unresolved
>> external symbol _deh_beg
>> 1>phobos64.lib(sections_win64_57b_5a5.obj) : error LNK2019: 
>> unresolved
>> external symbol _minfo_end referenced in function
>> _D2rt14sections_win6414getModuleInfosFZAyPS6object10ModuleInfo
>> 1>phobos64.lib(sections_win64_57b_5a5.obj) : error LNK2019: 
>> unresolved
>> external symbol _minfo_beg referenced in function
>> _D2rt14sections_win6414getModuleInfosFZAyPS6object10ModuleInfo
>> 1>phobos64.lib(sections_win64_575_4e2.obj) : error LNK2019: 
>> unresolved
>> external symbol _deh_end referenced in function
>> _D2rt14sections_win6412SectionGroup8ehTablesMxFNdZAyS2rt15deh_win64_posix9FuncTable
>>
>>
>> What am I doing wrong? Book says that on x64 Windows VC++ can 
>> be used to
>> create hybrid application.
>
> My gut feeling looking at that, is that its not linking against 
> the c runtime.
>
> For reference I'm pretty sure _deh_beg is related to exception 
> handling.

Hey, for some reason I missed this:

http://forum.dlang.org/thread/ji93fh$15ph$1@digitalmars.com

The fix is to add main() function to D library. Don't know why it 
is needed for static lib but it sure helps to resolve link issues.


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