hidden visibility on mac (Re: [PUSHED][3-5] Re: [REVIEW 3-5] fdo#37044 crash on mac with transliteration)

[Stephan Bergmann]

On 05/10/2012 01:56 PM, Tor Lillqvist wrote:
> Interestingly enough, the reason why in my "10.4" Mac build tree
> (using Xcode 3, and thus gcc 4.0.1 and the 10.4 SDK),
> HAVE_VISIBILITY_FEATURE gets unset is that the "checking if STL
> headers are visibility safe" test fails. The earlier "checking whether
> ccache /Xcode3/usr/bin/gcc-4.0 -mmacosx-version-min=10.4 supports
> -fvisibility=hidden" test does succeed.
>
> The latter test fails because of some weird error related to include
> paths, config log says: error: string: No such file or directory.
> (Note that for the actual LO compilation standard headers are found
> without problem, it's just the way the compiler is run in this
> configure test where it fails.) I guess that test needs to be tweaked
> to be more reliable. Sigh, the pain of supporting an increasingly
> obsolete tool-chain that isn't even installable on a current OS
> without tricks any more.

That might explain why my 10.4-based builds started to fail the other 
day (something I haven't come around to look into yet, though)...

Stephan