Update, not /Library contains, but /Library/Frameworks/Firebird.framework/Libraries contains:

--- In firebird-php@yahoogroups.com, "tjelvare" <tjelvare@...> wrote:
>
> I'm trying to add the interbase-extension on mamp (osx lamp),
> xcode, macports and m4 is there, phpize runs fine,
> upon
> ./configure --with-interbase=shared,/Library/Frameworks/Firebird.framework
>
> I get
> ...
> hecking for InterBase support... yes, shared
> checking for isc_detach_database in -lfbclient... no
> checking for isc_detach_database in -lgds... no
> checking for isc_detach_database in -lib_util... no
> configure: error: libgds, libib_util or libfbclient not found!
>
> Rightfully, none of above, nor libfbclient.dylib or similar is present.
> Where is it??
> (Flamerobin runs fine, but maby it has a static lib?)
>
> /Library on osx contains
> libib_util.dylib
> libicui18n.dylib
> libicudata.dylib
> libicuuc.dylib
>
> I've tried to add:
> ln -s libib_util.dylib libib_util, no success
>
> FB-superserver2.1.3
> php 5.2.6 (MAMP)
> osx 10.5.6
>