[Buildroot] [PATCH] yajl: fix static linking in a parallel build

[Jörg Krause]

On Sa, 2016-04-02 at 17:13 +0200, Thomas Petazzoni wrote:
> Hello,
> 
> On Fri,  1 Apr 2016 21:18:12 +0200, Jörg Krause wrote:
> 
> > 
> > + FOREACH (test ${TESTS})
> > +   GET_FILENAME_COMPONENT(testProg ${test} NAME_WE)
> > +   ADD_EXECUTABLE(${testProg} ${test})
> > +-  TARGET_LINK_LIBRARIES(${testProg} yajl m)
> > ++  TARGET_LINK_LIBRARIES(${testProg} yajl_s m)
> I am not sure to understand why this would fix the parallel build
> issue. The parallel build problem comes from the fact that the
> library
> and tests sit in different directories, and that they are built in
> parallel with each other. Both the yajl and yajl_s libraries are
> built
> in the same directory, separate from the tests directory. So I don't
> quite see how changing from using yajl to yajl_s is going to make a
> difference here. But maybe I'm missing something.

The issue is that we patch yajl (#0002) to build only the static
library in a static build. So there is no shared library target for
CMake to use as a dependency.

Jörg