[cfe-dev] Paths to system header files

[don hinton via cfe-dev]

There are some environment variables you can use, e.g, CPATH, etc.  Please
take a look at the Environment section of this page for details, or look at
the:

http://clang.llvm.org/docs/CommandGuide/clang.html


On Fri, Feb 26, 2016 at 5:48 AM, Manuel Klimek via cfe-dev <
cfe-dev at lists.llvm.org> wrote:

> On Fri, Feb 26, 2016 at 11:46 AM Jacob Carlborg via cfe-dev <
> cfe-dev at lists.llvm.org> wrote:
>
>> On 2016-02-26 10:37, Pedro Delgado Perez via cfe-dev wrote:
>> > Hello,
>> >
>> > Perhaps this question has been asked before, but I couldn't find a
>> > proper solution for this issue. When I produce an executable and use it
>> > in another machine, sometimes Clang is not able to find system header
>> > files (for instance "limits.h") because the paths to find these headers
>> > are relative to the location of the Clang libraries.
>> >
>> > All the same, when I'm using FIXED COMPILATION, I'm able to
>> > automatically retrieve the paths to system headers of the machine where
>> > the executable is being run. I mean, I retrieve the paths and add them
>> > after "--" to the command through the option -isystem. However, when I'm
>> > using JSON COMPILATION DATABASE, I can't do that, so in this case I
>> > don't know how to solve this issue.
>> >
>> > What is the appropriate manner to handle this matter of the paths to
>> > system header files?
>>
>> Not sure if ti's the most appropriate way of doing it but I'm embedding
>> the internal Clang headers in my executable. This post [1] [2].
>>
>> [1]
>>
>> http://clang-developers.42468.n3.nabble.com/Builtin-headers-td4049705.html#message4049716
>>
>> [2]
>>
>> http://clang-developers.42468.n3.nabble.com/Builtin-headers-td4049705.html#message4049772
>>
>> --
>> /Jacob Carlborg
>>
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>
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