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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