[kde-freebsd] [Bug 195105] devel/qt5 cannot find GL/gl.h with Clang

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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=195105

Raphael Kubo da Costa <rakuco at FreeBSD.org> changed:

           What    |Removed                     |Added
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                 CC|                            |rakuco at FreeBSD.org

--- Comment #3 from Raphael Kubo da Costa <rakuco at FreeBSD.org> ---
This was done intentionally when we upgraded Qt to 5.3.2. Basically, we were
previously adding /usr/local/include and /usr/local/lib to QMAKE_INCDIR and
QMAKE_LIBDIR, respectively.

While this worked fine in Qt 4, there were changes in Qt 5 that made this cause
problems when upgrading your Qt ports from, for example, 5.2 to 5.3, since
sometimes the older, system-wide version would be linked instead of the new one
being built, and symbols would be missing. There is QTBUG-40825 which I've
filed upstream about that, and bug 194088 here about this.

It is all taken care of automatically by the ports tree, since we set CPATH and
LIBRARY_PATH in Uses/qmake.mk. People not using ports need to figure out what
works best for them (LIBRARY_PATH, LDFLAGS and whatnot).

In any case, I thought this wouldn't be a problem for CMake-based ports like
Stellarium, since I'd expect them to look for GL headers and libraries and
include them appropriately. Does Stellarium do that?

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