cmake HAVE_RINDEX examples

gccxml/gccxml GCC/config_cmake/CMakeLists.txt :225 

CHECK_FUNCTION_EXISTS(rindex HAVE_RINDEX)

MiKTeX/miktex CMakeLists.txt :1343 

check_function_exists(rindex HAVE_RINDEX)

llvm-dcpu16/llvm-dcpu16 cmake/config-ix.cmake :132 

check_symbol_exists(rindex strings.h HAVE_RINDEX)