[cfe-dev] Running Tool In VS2015

[Reid Kleckner via cfe-dev]

No, it should remove the need to add -I for clang's internal headers. Clang
will look for its headers relative to the resource directory.

On Thu, Sep 15, 2016 at 9:02 AM, Daniel Dilts <diltsman at gmail.com> wrote:

> So, that should eliminate the warning that I am seeing, right?  It does
> nothing about having to add the -I option, am I correct?
>
> On Thu, Sep 15, 2016 at 8:25 AM, Reid Kleckner <rnk at google.com> wrote:
>
>> BTW, it should be fixed in r281550.
>>
>> On Wed, Sep 14, 2016 at 9:49 PM, Kim Gräsman via cfe-dev <
>> cfe-dev at lists.llvm.org> wrote:
>>
>>> Hi Daniel,
>>>
>>> Looks like you could work around it by building to a bin/
>>> subdirectory, i.e. C:\MyTool\Release\bin instead of just
>>> C:\MyTool\Release. That way the (presumably-buggy) -resource-dir will
>>> at least point to the right path.
>>>
>>> - Kim
>>>
>>> On Wed, Sep 14, 2016 at 1:12 AM, Daniel Dilts via cfe-dev
>>> <cfe-dev at lists.llvm.org> wrote:
>>> > When building my tool against Clang 3.8.0 and running it in VS2013 it
>>> worked
>>> > perfectly (once I started building the clang-headers project).
>>> >
>>> > Along comes VS2015 and I have to upgrade to Clang 3.9.0 since the
>>> VS2015
>>> > headers now use an intrinsic that wasn't supported prior to 3.9.0.
>>> This
>>> > unexpectedly broke my tool and caused the tool to generate the
>>> following new
>>> > warning:
>>> >
>>> > warning : unknown argument ignored in clang-cl:
>>> > '-resource-dir=C:\MyTool\Release\..\lib\clang\3.9.0'
>>> >
>>> > This warning seems odd to me, since the -resource-dir argument is
>>> added by
>>> > Clang.  Also, it references the parent directory of the directory that
>>> the
>>> > clang-headers project copies necessary include files to.
>>> >
>>> > As I have been experimenting with getting my tool to work again it has
>>> > become evident that somewhere between 3.8.0 and 3.9.0 the directory
>>> where
>>> > the clang-headers project copies header file to has been removed from
>>> the
>>> > set of include directories for a tool (at least on Windows...).  By
>>> adding
>>> > -IC:\MyTool\Release\..\lib\clang\3.9.0\include to my command line I
>>> have
>>> > been able to get my tool to work again.
>>> >
>>> > Does anyone know why Clang was changed so that this directory is no
>>> longer
>>> > included by default?  Also, is there some other fix that I am missing?
>>> >
>>> > _______________________________________________
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>>> > cfe-dev at lists.llvm.org
>>> > http://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-dev
>>> >
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>>
>>
>
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