hi,
I suspect I may have found a bug in libtool on Darwin/OSX, although
it's possible that I am not using automake, etc correctly.
Basically I'm trying to compile my qt module for qore (https://trac.macports.org/browser/trunk/dports/lang/qore/Portfile
) against the qt4-mac port.
I have modified my configure.ac script to do more generic framework
detection, and set up the CPP_FLAGS and LD_FLAGS properly for
frameworks in non-standard directories (such as /opt/local/Library/
Framework, where the QT libraries are placed by default from macports).
While building the qt-core module, I build a shared library and link
it to the QtCore framework. Then I build a module that links to the
shared library (the reason I do this is that I have other modules that
depend on the first module, and in order to share code and symbols
easier, I put all the shared code in the shared library).
However, libtool is creating the .la file for the shared library
without the -Fframework-dir option in the inherited_linker_flags
line, although the -framework QtCore is there.
So when the module is created, it fails in the link step because the
QtCore framework cannot be found, because the -Fframework-dir option
is not present in the inherited_linker_flags line in the la file.
I have tested building the project by manually editing the
inherited_linker_flags line for the shared library, by both adding the
missing -Fframework-dir option and by removing the -framework QtCore
line, and it works both ways. So I guess either the -framework option
should not be inherited or the -F option should be inherited, but not
one without the other.
I am not able to fix this bug myself, I don't understand entirely how
libtool works, and I'm afraid I'm not even an expert user of it.
Anyway, I hope someone can help me with this.
I'd like to be able to release a port for my qt module for qore, but I
have to make sure that macports users can build it automatically first.
thanks again
David
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