cmake HAVE_OPENSSL_AES_GCM examples

KDE/qca plugins/qca-ossl/CMakeLists.txt :28 

check_function_exists(EVP_aes_128_gcm HAVE_OPENSSL_AES_GCM)

KDE/qca plugins/qca-ossl/CMakeLists.txt :30 

add_definitions(-DHAVE_OPENSSL_AES_GCM)