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Yaron Keren 5439b64af0 Teach clang to look for libcxx in /usr/local/include/c++ on Linux
As The default CMAKE install prefix is /usr/local ( https://cmake.org/cmake/help/v3.0/variable/CMAKE_INSTALL_PREFIX.html ),
sudo ninja install ends up installing clang, LLVM and libcxx under /usr/local.
In development scenario, when clang is run from the build location it will not
find libcxx at neither (build location)/../include/c++ nor /usr/include/c++.
This patch lets development clang find system installed libcxx without adding
-isystem /usr/local/include/c++. Also addresses the FIXME by explaining the 
use-case for these include paths.

llvm-svn: 269801
2016-05-17 19:01:16 +00:00
clang Teach clang to look for libcxx in /usr/local/include/c++ on Linux 2016-05-17 19:01:16 +00:00
clang-tools-extra clang-rename: avoid StringRef members in USRLocFindingASTVisitor 2016-05-17 18:17:16 +00:00
compiler-rt [sanitizers] disabling LateInitialize call to fix the build. 2016-05-17 18:44:21 +00:00
debuginfo-tests New round of fixes for "Always compile debuginfo-tests for the host triple" 2014-10-18 23:47:59 +00:00
libclc math: Add erf ported from amd-builtins 2016-05-06 18:02:30 +00:00
libcxx Implement LWG2576: istream_iterator and ostream_iterator should use std::addressof 2016-05-17 17:44:40 +00:00
libcxxabi libc++abi: make __cxa_call_unexpected visible 2016-05-11 23:56:37 +00:00
libunwind unwind: remove last instance of -Wexpansion-to-defined 2016-04-26 01:11:29 +00:00
lld ELF: accept and ignore --no-undefined-version for compatibility 2016-05-17 17:34:50 +00:00
lldb Allow custom formatting of session log file names. 2016-05-17 18:02:34 +00:00
llgo [llgo] llgoi: separate evaluation from printing 2016-04-25 01:18:20 +00:00
llvm [LCSSA] Use llvm::any_of instead of std::size_of. 2016-05-17 19:01:02 +00:00
openmp [OpenMP Testing] Have lit.py be a valid lit executable 2016-05-17 15:12:11 +00:00
polly docs: Fix code-block to avoid sphinx error 2016-05-17 13:41:00 +00:00