cmake HAVE_WAITPID examples

MiKTeX/miktex CMakeLists.txt :1369 

check_function_exists(waitpid HAVE_WAITPID)

glKarin/com.n0n3m4.diii4a Q3E/src/main/jni/deplibs/libsndfile/cmake/SndFileChecks.cmake :173 

check_function_exists (waitpid		HAVE_WAITPID)

DCMTK/dcmtk CMake/GenerateDCMTKConfigure.cmake :549 

CHECK_FUNCTION_EXISTS(waitpid HAVE_WAITPID)

gccxml/gccxml GCC/config_cmake/CMakeLists.txt :249 

CHECK_FUNCTION_EXISTS(waitpid HAVE_WAITPID)