[CMake] How to set path to library header files?

[Chris Johnson]

Well, this fixed my example.  But my real project still fails the same
way.  It is, of course, much more complex and the library directories are
often several layers down in subdirectory trees.  :-(

On Tue, Dec 2, 2014 at 2:05 PM, Chris Johnson <cxjohnson at gmail.com> wrote:

> I'm using Make as my build tool.  Here's the failing compile line with the
> -I paths.  Indeed, they're not quite correct.  This is with the suggested
> include_directories() directive.
>
> [100%] Building CXX object prog/CMakeFiles/prog.dir/prog.cpp.o
> cd /sandbox/src/.build/prog && /usr/bin/c++    -I/sandbox/include
> -I/sandbox/src/src -I/sandbox/src/mylib    -o
> CMakeFiles/prog.dir/prog.cpp.o -c /sandbox/src/prog/prog.cpp
>
> Since the ../src/src path is wrong, I tried changing to
> include_directories(${CMAKE_SOURCE_DIR}) and that seems to work.  That
> seems to imply the top-level source is not part of the default include
> path, correct?
>
> Thanks,
> ..chris
>
>
> On Tue, Dec 2, 2014 at 1:10 PM, Bill Hoffman <bill.hoffman at kitware.com>
> wrote:
>
>> On 12/2/2014 1:04 PM, Chris Johnson wrote:
>>
>>> Adding this directive does not seem to change the results at all,
>>> actually.  Am I missing something?​
>>>
>>>
>> What build tool are you using?  Can you show a verbose compile line? Then
>> check the -I paths.  make VERBOSE=1 will do it for make.
>>
>> -Bill
>>
>>
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