[m-dev.] FINAL_INSTALL_PREFIX

[Ian MacLarty]

On 22 Nov 2004, at 11:16, Michael Wybrow wrote:

> On Mon, 22 Nov 2004, Ian MacLarty wrote:
>> On 22 Nov 2004, at 10:10, Michael Wybrow wrote:
>> > On Fri, 19 Nov 2004, Ian MacLarty wrote:
>> > > > > When I recently changed the default value of the > > 
>> --shlib-linker-install-name-path (which is used to set the > > 
>> -install-name linker option for Darwin shared libs) to the value of > 
>> > FINAL_INSTALL_MERC_LIB_DIR instead of INSTALL_MERC_LIB_DIR (as > > 
>> requested by Michael Wybrow), building of user shared libraries on > 
>> > Mac OS X no longer works as described in the user guide.
>> > > > > This is because FINAL_INSTALL_MERC_LIB_DIR comes from > > 
>> FINAL_INSTALL_PREFIX which is not documented in the user guide, and > 
>> > INSTALL_MERC_LIB_DIR comes from INSTALL_PREFIX which is documented 
>> > > in the user guide.  The user guide says to set the INSTALL_PREFIX 
>> to > > the path where the libraries will be installed, but no mention 
>> is > > made of the FINAL_INSTALL_PREFIX.
>> > > > > Is FINAL_INSTALL_PREFIX meant to be used by users or is it 
>> just > > specific to the Mercury configuration scripts?  Surely if 
>> its > > Mercury specific then the default value of > > 
>> --shlib-linker-install-name-path should be the value of > > 
>> INSTALL_MERC_LIB_DIR?  Otherwise if FINAL_INSTALL_PREFIX is a > > 
>> variable the user should be aware of then it should be documented in 
>> > > the user guide and should be used in the example Mmakefile given 
>> in > > the user guide.
>> > > My feeling is that that it is the user guide that is at fault -- 
>> the > build process is working correctly at the moment and I can 
>> build a > fink package and have the dylibs work correctly.  But this 
>> behaviour > is probably only going to be used by packagers of the 
>> mercury > distribution so maybe it does not need to be documented in 
>> the user > guide?
>> I just thought of something:
>>
>> I think it should be okay now if I set the default value of 
>> --shlib-linker-install-name-path back to INSTALL_MERC_LIB_DIR, since 
>> this flag is now overridden by the Mmakefiles for the Mercury build 
>> (this was part of the last change I made so the -install-name option 
>> wasn't passed twice for the c source distribution).  So if I set the 
>> default value back to INSTALL_MERC_LIB_DIR the fink/rpm build should 
>> still work the same and building of user shared libraries should also 
>> work as documented in the user guide.
>>
>> Michael, would you mind testing this hypothesis for me?  Just set the 
>> default option of --shlib-linker-install-name-path back to 
>> INSTALL_MERC_LIB_DIR and see that the fink package builds okay.  I 
>> would test it myself except I'm not familiar with how to build a fink 
>> package.
>
> Unfortunately I can't do this right now as my Mac is away for warranty 
> repairs with a display problem, I should have it back by the end of 
> this week or early next week, and will try it out then.
>
> Otherwise, I can give you intructions for building a fink package but 
> it would be annoying for you to set up the environment and remove 
> existing mercury distributions from your Mac, etc.
>
> I'll let you know how I go when I get the machine back.
>
That'll be fine.
Thanks.

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