cmake HAVE_LIBRESSL examples

baresip/re cmake/re-config.cmake :30 

check_symbol_exists(LIBRESSL_VERSION_NUMBER "${OPENSSL_INCLUDE_DIR}/openssl/opensslv.h" HAVE_LIBRESSL)

percona/percona-server extra/curl/curl-8.14.1/CMakeLists.txt :802 

check_symbol_exists("LIBRESSL_VERSION_NUMBER" "openssl/opensslv.h" HAVE_LIBRESSL)

percona/percona-server extra/curl/curl-8.14.1/CMakeLists.txt :817 

elseif(HAVE_LIBRESSL)

percona/percona-xtradb-cluster extra/curl/curl-8.12.1/CMakeLists.txt :761 

check_symbol_exists("LIBRESSL_VERSION_NUMBER" "openssl/opensslv.h" HAVE_LIBRESSL)

percona/percona-xtradb-cluster extra/curl/curl-8.12.1/CMakeLists.txt :776 

elseif(HAVE_LIBRESSL)

mysql/mysql-server extra/curl/curl-8.14.1/CMakeLists.txt :802 

check_symbol_exists("LIBRESSL_VERSION_NUMBER" "openssl/opensslv.h" HAVE_LIBRESSL)

mysql/mysql-server extra/curl/curl-8.14.1/CMakeLists.txt :817 

elseif(HAVE_LIBRESSL)