cmake HAVE_GNUTLS examples

TigerVNC/tigervnc CMakeLists.txt :327

add_definitions("-DHAVE_GNUTLS")

PCSX2/pcsx2 3rdparty/libzip/lib/CMakeLists.txt :161

elseif(HAVE_GNUTLS)

nih-at/libzip lib/CMakeLists.txt :162

elseif(HAVE_GNUTLS)

ngtcp2/ngtcp2 CMakeLists.txt :417

message(STATUS "summary of build options:

    Package version: ${VERSION}
    Library version: ${LT_CURRENT}:${LT_REVISION}:${LT_AGE}
    Install prefix:  ${CMAKE_INSTALL_PREFIX}
    Target system:   ${CMAKE_SYSTEM_NAME}
    Compiler:
      Build type:     ${CMAKE_BUILD_TYPE}
      C compiler:     ${CMAKE_C_COMPILER}
      CFLAGS:         ${CMAKE_C_FLAGS_${_build_type}} ${CMAKE_C_FLAGS}
      C++ compiler:   ${CMAKE_CXX_COMPILER}
      CXXFLAGS:       ${CMAKE_CXX_FLAGS_${_build_type}} ${CMAKE_CXX_FLAGS}
      WARNCFLAGS:     ${WARNCFLAGS}
      WARNCXXFLAGS:   ${WARNCXXFLAGS}
    Library:
      Shared:         ${ENABLE_SHARED_LIB}
      Static:         ${ENABLE_STATIC_LIB}
    Test:
      Build Test:     ${BUILD_TESTING}
    Libs:
      OpenSSL:        ${HAVE_OPENSSL} (LIBS='${OPENSSL_LIBRARIES}')
      Libev:          ${HAVE_LIBEV} (LIBS='${LIBEV_LIBRARIES}')
      Libnghttp3:     ${HAVE_LIBNGHTTP3} (LIBS='${LIBNGHTTP3_LIBRARIES}')
      GnuTLS:         ${HAVE_GNUTLS} (LIBS='${GNUTLS_LIBRARIES}')
      BoringSSL:      ${HAVE_BORINGSSL} (LIBS='${BORINGSSL_LIBRARIES}')
      Picotls:        ${HAVE_PICOTLS} (LIBS='${PICOTLS_LIBRARIES}')
      wolfSSL:        ${HAVE_WOLFSSL} (LIBS='${WOLFSSL_LIBRARIES}')
      Jemalloc:       ${HAVE_JEMALLOC} (LIBS='${JEMALLOC_LIBRARIES}')
      Libbrotlienc:   ${HAVE_LIBBROTLIENC} (LIBS='${LIBBROTLIENC_LIBRARIES}')
      Libbrotlidec:   ${HAVE_LIBBROTLIDEC} (LIBS='${LIBBROTLIDEC_LIBRARIES}')
")

flyinghead/flycast core/deps/libzip/lib/CMakeLists.txt :159

elseif(HAVE_GNUTLS)