cmake HAVE_SETREUID examples

MiKTeX/miktex CMakeLists.txt :1347 

check_function_exists(setreuid HAVE_SETREUID)

ShadowsocksR-Live/shadowsocksr-native cmake/configure.cmake :104 

check_function_exists ( setreuid HAVE_SETREUID )

bareos/bareos core/cmake/BareosCheckFunctions.cmake :80 

check_function_exists(setreuid HAVE_SETREUID)

OSGeo/grass cmake/modules/Configure.cmake :145 

check_symbol_exists(setreuid "unistd.h" HAVE_SETREUID)