(coff)-Implib lib from dll

Mafi mafi at example.org
Sat Jan 15 08:39:30 PST 2011


Am 15.01.2011 17:07, schrieb %u:
> Hey guys,
>
> I'm trying to connect to my mysql-server on windows. I'm using the mysql binding from http://www.steinmole.de/d/ because as I know the
> DDBI project doesn't support D2.
> I followed the instructions on the site and first created the lib file with implib with the following command: "implib libmysql.lib
> libmysql.dll" (without ").
> Next, I changed the extern(C) statement in mysql.d to extern(Windows).
>
> Now... I create a simple application with the following source:
>
> module test;
>
> pragma(lib, "libmysql.lib");
>
> import mysql;
>
> int main(string[] args) {
>
> 	MYSQL* mysql;
> 	mysql = mysql_init(null);
> 	mysql_close(mysql);
>
> 	return 0;
>
> }
>
> I'm trying to compile the source file by using the following command:
> "dmd -d test.d mysql.d" (without quotas). The result is the following:
>
> test.obj(test)
>   Error 42: Symbol Undefined _mysql_init at 4
> test.obj(test)
>   Error 42: Symbol Undefined _mysql_close at 4
> --- errorlevel 2
>
> I also tried "dmd -d test.d mysql.d libmysql.lib" without any success. When I remove the extern-statement from mysql.d, I get similar
> errors.
>
> Note... I'm using the github-version 0.2.3 which was released last week.
>
> I think my mistake is the linking because the binding works on Linux. But... not on Windows - perhaps... anyone know how what I'm doing
> wrong?
>
> Thanks...
Did you try to use the system flag ('/system') for implib which adds 
leading underscores? I had a similar problem and that solved it for me.


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