OSX/CI: kdepimlibs fails to build on branch master

[Marko Käning]

Turns out that boost can’t be located properly, although it is installed.

BTW, kdevplatform make extensive use of boost and has NO problem finding it.

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In file included from /Users/marko/WC/KDECI-builds/kdepimlibs/build/syndication/src/syndication/syndication/elementwrapper.h:1:
/Users/marko/WC/KDECI-builds/kdepimlibs/syndication/src/syndication/elementwrapper.h:27:10: fatal error: 'boost/shared_ptr.hpp' file not found
#include <boost/shared_ptr.hpp>
         ^
1 error generated.
make[2]: *** [syndication/src/syndication/CMakeFiles/KF5Syndication.dir/rss2/category.cpp.o] Error 1
make[1]: *** [syndication/src/syndication/CMakeFiles/KF5Syndication.dir/all] Error 2
make[1]: *** Waiting for unfinished jobs....
[ 19%] vcc.y:1198:26: warning: unused parameter 's' [-Wunused-parameter]
void YYDebug(const char *s)
                         ^
Building CXX object kxmlrpcclient/src/CMakeFiles/KF5XmlRpcClient.dir/query.cpp.o
1 warning generated.
[ 19%] Building C object kcalcore/src/CMakeFiles/KF5CalendarCore.dir/versit/vobject.c.o
/Users/marko/WC/KDECI-builds/kdepimlibs/kcalcore/src/versit/vobject.c:181:28: warning: cast from 'char *' to 'wchar_t *' (aka 'int *') increases required alignment from 1 to 4 [-Wcast-align]
    USTRINGZ_VALUE_OF(o) = (wchar_t*) dupStr((char*)s,(unsigned)(uStrLen(s)+1)*2);
                           ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
1 warning generated.
[ 20%] Building CXX object kcalcore/src/CMakeFiles/KF5CalendarCore.dir/alarm.cpp.o
In file included from /Users/marko/WC/KDECI-builds/kdepimlibs/kmime/src/kmime_util.cpp:24:
In file included from /Users/marko/WC/KDECI-builds/kdepimlibs/kmime/src/kmime_util.h:29:
/Users/marko/WC/KDECI-builds/kdepimlibs/kmime/src/kmime_content.h:60:10: fatal error: 'boost/shared_ptr.hpp' file not found
#include <boost/shared_ptr.hpp>
         ^
[ 20%] Building CXX object kabc/src/CMakeFiles/KF5Abc.dir/addressee.cpp.o
1 error generated.
make[2]: *** [kmime/src/CMakeFiles/KF5Mime.dir/kmime_util.cpp.o] Error 1
make[1]: *** [kmime/src/CMakeFiles/KF5Mime.dir/all] Error 2