[llvm-dev] Clang includes search path
Rinaldini Julien via llvm-dev
llvm-dev at lists.llvm.org
Tue Oct 13 01:44:24 PDT 2015
I saw the CPLUS_INCLUDE_PATH variable in the code but wasn’t sure how to use it. I’ll try that.
> On 12 Oct 2015, at 18:00, don hinton <hintonda at gmail.com> wrote:
> I think the libc++ folks recommend building libc++ along with clang. If you do that, the c++ includes files will get copied under the relative include path and will be found automatically. However, you'll need to set DYLD_LIBRARY_PATH in order to pick up the correct, just built, libc++ library.
> But if you really do want to use the installed version of libc++, you can use xcrun to dynamically find the path via xcrun and set CPLUS_INCLUDE_PATH.
> $ export CPLUS_INCLUDE_PATH=$(dirname $(xcrun -f clang))/../include/c++/v1
> On Mon, Oct 12, 2015 at 10:13 AM, Rinaldini Julien via llvm-dev <llvm-dev at lists.llvm.org> wrote:
> I’m trying to set the includes search path in clang, but I can’t figure out how to do it?
> I’m working on OSX and every time I compile a C/C++ code, I have to specify it with -isysroot (and I don’t want an alias, or a symlink to /usr/include) since the includes are not in a really standard path on OSX (e.g.: /Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/../include/c++).
> Is there a way to do that?
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