Re: mingw-w64's libuuid.a : *** Warning: linker path does not have real file for library -luuid.

[Peter Rosin]

On 2012-07-20 17:49, Vincent Torri wrote:
> hey
> 
> I'm using mingw-w64 gcc (4.8.0 experimental)
> 
> I have to link a library (named Evil) against libuuid.a. That is, in
> Makefile.am :
> 
> libevil_la_LIBADD = -luuid etc......
> 
> I have the warning that I pasted in the topic:
> 
> ** Warning: linker path does not have real file for library -luuid.
> etc...
> 
> and no DLL is produced. I have worked around that by adding before LT_INIT :
> 
> lt_cv_deplibs_check_method='pass_all'
> 
> and I have now the DLL. I thought that it would have been sufficient.
> It's not. Because of the .la files (dependency_libs fieldcontains
> -luuid) , each time I link against Evil, -luuid is passed and I have
> the warning above, and no DLL is produced. Even worse, some binaries
> can not be compiled at all.
> 
> So I would like to know how I can forbid libtool to pass -luuid each
> time I link against Evil.

I ended up with the following in a separate file to work around this
craziness.  I'd also like a cleaner way to use libuuid.a/libdxguid.a
from a DLL...

Cheers,
Peter


/* libtool fails to link a dll against libdxguid.a which
 * is what we really want to do here. When libtool can do
 * that, kill this file and add -ldxguid to the link
 * command line.
 * IMHO, this is a horrid workaround. But it works, and we
 * get a dll instead of a static lib.
 */

typedef struct _IID
{
    unsigned long  x;
    unsigned short s1;
    unsigned short s2;
    unsigned char  c[8];
} IID;

typedef IID GUID;
typedef IID CLSID;

const CLSID CLSID_DirectInput       = 
{0x25E609E0,0xB259,0x11CF,{0xBF,0xC7,0x44,0x45,0x53,0x54,0x00,0x00}};
const IID  IID_IDirectInput2A       = 
{0x5944e662,0xaa8a,0x11cf,{0xbf,0xc7,0x44,0x45,0x53,0x54,0x00,0x00}};
const IID  IID_IDirectInputDevice2A = 
{0x5944e682,0xc92e,0x11cf,{0xbf,0xc7,0x44,0x45,0x53,0x54,0x00,0x00}};
const GUID GUID_Key                 = 
{0x55728220,0xd33c,0x11cf,{0xbf,0xc7,0x44,0x45,0x53,0x54,0x00,0x00}};
const GUID GUID_XAxis               = 
{0xa36d02e0,0xc9f3,0x11cf,{0xbf,0xc7,0x44,0x45,0x53,0x54,0x00,0x00}};
const GUID GUID_YAxis               = 
{0xa36d02e1,0xc9f3,0x11cf,{0xbf,0xc7,0x44,0x45,0x53,0x54,0x00,0x00}};
const GUID GUID_ZAxis               = 
{0xa36d02e2,0xc9f3,0x11cf,{0xbf,0xc7,0x44,0x45,0x53,0x54,0x00,0x00}};
const GUID GUID_RxAxis              = 
{0xa36d02f4,0xc9f3,0x11cf,{0xbf,0xc7,0x44,0x45,0x53,0x54,0x00,0x00}};
const GUID GUID_RyAxis              = 
{0xa36d02f5,0xc9f3,0x11cf,{0xbf,0xc7,0x44,0x45,0x53,0x54,0x00,0x00}};
const GUID GUID_RzAxis              = 
{0xa36d02e3,0xc9f3,0x11cf,{0xbf,0xc7,0x44,0x45,0x53,0x54,0x00,0x00}};
const GUID GUID_Slider              = 
{0xa36d02e4,0xc9f3,0x11cf,{0xbf,0xc7,0x44,0x45,0x53,0x54,0x00,0x00}};
const GUID GUID_POV                 = 
{0xa36d02f2,0xc9f3,0x11cf,{0xbf,0xc7,0x44,0x45,0x53,0x54,0x00,0x00}};
const GUID GUID_SysKeyboard         = 
{0x6f1d2b61,0xd5a0,0x11cf,{0xbf,0xc7,0x44,0x45,0x53,0x54,0x00,0x00}};
const GUID GUID_SysMouse            = 
{0x6f1d2b60,0xd5a0,0x11cf,{0xbf,0xc7,0x44,0x45,0x53,0x54,0x00,0x00}};