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Re: Problems using relocatable on Win32

From: Reuben Thomas
Subject: Re: Problems using relocatable on Win32
Date: Sun, 10 Dec 2017 08:31:26 +0000

On 10 December 2017 at 01:48, Bruno Haible <address@hidden> wrote:
Hi Reuben,

> > ​I have a relocatable library that depends on files in pkgdatadir.​
> ​So, the shared library calls relocate. relocate tries to compute
> curr_prefix_better, using get_shared_library_fullname. This will have a
> prefix of libdir (or bindir on Win32). This is why I am setting INSTALLDIR
> to libdir (but need bindir on Win32).

Oh, I see. Yes, after reading the code I confirm your finding:

INSTALLDIR should be defined

1) for the code in the relocatable library (only needed if
   ENABLE_COSTLY_RELOCATABLE is not defined to 0). Its value should
   be a C string that contains (for a shared library) the installation directory
   of the shared library; often this will be $(libdir) on Unix excluding Cygwin,
   or $(bindir) on Windows or Cygwin.

2) for the code that makes use of the relocatable library, that is, that invokes
   set_program_name. Its value should be a C string that contains the installation
   directory of the program; often this will be $(bindir).

Thanks very much for the confirmation. For case 1, am I correct in thinking there is no variable that contains this directory, i.e. "the directory where shared libraries are installed"?  As far as I can tell, this directory is computed by libtool, and I can't see a better way than effectively recomputing it, that is, use bindir when the platform is cygwin, mingw or cegcc, and libdir otherwise.


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