[cfe-users] installing a complete clang++ environment

[Klaus Rudolph]

Additional info:

After i patched tons of flags.make files to include the correct include path I can compile.
BUT a make install distroys my linux! The install goes to /usr/local/include/ instead of /opt...

WOW!

OK, I will now install my system again! I'll be back in a few days...



> Gesendet: Montag, 29. September 2014 um 14:44 Uhr
> Von: "Klaus Rudolph" <lts-rudolph at gmx.de>
> An: "Eugene Golovachev" <kamelusz at yandex.ru>
> Cc: cfe-users at cs.uiuc.edu
> Betreff: Re: [cfe-users] installing a complete clang++ environment
>
> Thanks for your reply!
> 
> After several hours of trying I can't get it to work! :-(
> 
> I run into trouble with:
> 
> 
> [ 98%] Built target lldb-platform
> [ 98%] Building CXX object tools/extra/clang-apply-replacements/CMakeFiles/clangApplyReplacements.dir/lib/Tooling/ApplyReplacements.cpp.o
> In file included from /home/krud/work/clang_complett_aus_source/src/tools/extra/clang-apply-replacements/lib/Tooling/ApplyReplacements.cpp:17:
> /home/krud/work/clang_complett_aus_source/src/tools/extra/clang-apply-replacements/include/clang-apply-replacements/Tooling/ApplyReplacements.h:19:10: fatal error: 
>       'clang/Tooling/Refactoring.h' file not found
> #include "clang/Tooling/Refactoring.h"
> 
> 
> Any hints?
> 
> Regards
>  Klaus
> 
> 
> > Gesendet: Freitag, 26. September 2014 um 19:21 Uhr
> > Von: "Eugene Golovachev" <kamelusz at yandex.ru>
> > An: cfe-users at cs.uiuc.edu
> > Betreff: Re: [cfe-users] installing a complete clang++ environment
> >
> > I perform the next steps to get working Clang and libc++ on my Gentoo box:
> > 
> > 1) Download packages llvm-3.5.0.src.tar.xz, lldb-3.5.0.src.tar.xz,
> > libcxx-3.5.0.src.tar.xz, libcxxabi-3.5.0.src.tar.xz,
> > compiler-rt-3.5.0.src.tar.xz, cfe-3.5.0.src.tar.xz,
> > clang-tools-extra-3.5.0.src.tar.xz from http://llvm.org/releases/
> > 
> > 2) Extract them:
> > $ mkdir -pv ~/src/llvm/release_35
> > 
> > $ tar xfv llvm-3.5.0.src.tar.xz --strip-components=1 -C
> > ~/src/llvm/release_35/
> > 
> > $ mkdir -pv ~/src/llvm/release_35/projects/{libcxx,libcxxabi,compiler-rt}
> > $ tar xfv libcxx-3.5.0.src.tar.xz --strip-components=1 -C
> > ~/src/llvm/release_35/projects/libcxx/
> > $ tar xfv libcxxabi-3.5.0.src.tar.xz --strip-components=1 -C
> > ~/src/llvm/release_35/projects/libcxxabi/
> > $ tar xfv compiler-rt-3.5.0.src.tar.xz --strip-components=1 -C
> > ~/src/llvm/release_35/projects/compiler-rt/
> > 
> > $ mkdir -pv ~/src/llvm/release_35/tools/{clang,lldb}
> > $ tar xfv cfe-3.5.0.src.tar.xz --strip-components=1 -C
> > ~/src/llvm/release_35/tools/clang/
> > $ tar xfv lldb-3.5.0.src.tar.xz --strip-components=1 -C
> > ~/src/llvm/release_35/tools/lldb/
> > 
> > $ mkdir -pv ~/src/llvm/release_35/tools/clang/tools/extra
> > $ tar xfv clang-tools-extra-3.5.0.src.tar.xz --strip-components=1 -C
> > ~/src/llvm/release_35/tools/clang/tools/extra/
> > 
> > 3) And compile using cmake and Clang 3.3 from Gentoo portages:
> > $ mkdir -pv ~/build
> > $ cd ~/build
> > 
> > $ CC=/usr/bin/clang CXX=/usr/bin/clang++ cmake
> > -DCMAKE_INSTALL_PREFIX=~/opt/clang-3.5.0-release/
> > -DCMAKE_BUILD_TYPE=Release ~/src/llvm/release_35/
> > 
> > $ make -j3
> > $ make install
> > 
> > 4) As result I have working Clang with libc++ support. For linking with
> > libc++ it necessary to set LD_LIBRARY_PATH environment variable:
> > $ export LD_LIBRARY_PATH=~/opt/clang-3.5.0-release/lib/
> > 
> > And now I can use Clang with libc++:
> > $ ~/opt/clang-3.5.0-release/bin/clang++ -stdlib=libc++ -nodefaultlibs
> > -lc++ -lc++abi -lm -lc -lgcc_s -lgcc main.cpp
> > $ ./a.out
> > Hello off, world!
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