[RFC] LibreOffice build issues

[Jung-uk Kim]

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Over the weekend, I have tried various environments to build
LibreOffice.  Basically, it is really tricky to do the right thing in
7 and 8 branches.

devel/boost-libs in ports tree (1.48) is newer than bundled one
(1.44).  Unfortunately, Boost 1.48 has various issues in C++98 mode.
That's why LibreOffice had to be built with C++11 mode in the first
place.  Alas, C++11 support for libstdc++ in the base system doesn't
exist and 7 & 8 is worse than 9, I think.  The only way to build it
cleanly for me on 7.4 and 8.2 was with bundled Boost + base GCC in
default mode[1] (but I believe you may experience run-time problems).
 llvm/clang/binutils combo from ports may be able to build it[2] but I
don't think we can guarantee its correctness.

So, I am stuck here.  What do we do now? :-(

Jung-uk Kim

[1] devel/boost-libs had to be removed first because it is *always*
picked up first with "-I/usr/local/include" in the CXXFLAGS.  FYI, you
may try the port from here:

http://people.freebsd.org/~jkim/libreoffice-20120723.tar.bz2

I must warn: your mileage may vary.

[2] As usual, you need the following patch for lang/clang to work
around the notorious build crash:

http://people.freebsd.org/~jkim/patch-tools_clang_lib_Sema_SemaDeclCXX.cpp
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