cmake HAVE__STRDUP examples

nih-at/libzip CMakeLists.txt :114 

check_function_exists(_strdup HAVE__STRDUP)

flyinghead/flycast core/deps/libzip/CMakeLists.txt :103 

check_function_exists(_strdup HAVE__STRDUP)

libcheck/check CMakeLists.txt :187 

check_function_exists(_strdup HAVE__STRDUP)

libcheck/check lib/CMakeLists.txt :60 

endif(NOT HAVE_DECL_STRDUP AND NOT HAVE__STRDUP)

libcheck/check src/CMakeLists.txt :114 

endif(NOT HAVE_DECL_STRDUP AND NOT HAVE__STRDUP)