CMake Warning: Manually-specified variables were not used by the project: CMAKE_EXPORT_NO_PACKAGE_REGISTRY /home/conan/w/cci_PR-3699/.conan/data/libtorrent/2.0.1/_/_/build/34b68ce5043952f62cf3e56bc66dcfc081197bab/source_subfolder/src/alert.cpp:1016:4: warning: suggest braces around initialization of subobject [-Wmissing-braces] 0, // tcp ^~~~~~~~~ { 1 warning generated. /home/conan/w/cci_PR-3699/.conan/data/libtorrent/2.0.1/_/_/build/34b68ce5043952f62cf3e56bc66dcfc081197bab/source_subfolder/src/ssl.cpp:181:4: warning: zero as null pointer constant [-Wzero-as-null-pointer-constant] OpenSSL_add_all_algorithms(); ^ /home/conan/w/cci_PR-3699/.conan/data/openssl/1.1.1h/_/_/package/0bb6f9a537a76b4aa6af7fb4dbef0aa6dddcabf4/include/openssl/evp.h:954:41: note: expanded from macro 'OpenSSL_add_all_algorithms' # define OpenSSL_add_all_algorithms() OPENSSL_add_all_algorithms_noconf() ^ /home/conan/w/cci_PR-3699/.conan/data/openssl/1.1.1h/_/_/package/0bb6f9a537a76b4aa6af7fb4dbef0aa6dddcabf4/include/openssl/evp.h:949:57: note: expanded from macro 'OPENSSL_add_all_algorithms_noconf' | OPENSSL_INIT_ADD_ALL_DIGESTS, NULL) ^ /usr/include/clang/5.0.0/include/stddef.h:100:18: note: expanded from macro 'NULL' # define NULL __null ^ 1 warning generated. /home/conan/w/cci_PR-3699/.conan/data/libtorrent/2.0.1/_/_/build/34b68ce5043952f62cf3e56bc66dcfc081197bab/source_subfolder/deps/try_signal/try_signal.cpp:72:16: warning: zero as null pointer constant [-Wzero-as-null-pointer-constant] signal(signo, SIG_DFL); ^ /usr/include/x86_64-linux-gnu/bits/signum-generic.h:29:37: note: expanded from macro 'SIG_DFL' #define SIG_DFL ((__sighandler_t) 0) /* Default action. */ ^ /home/conan/w/cci_PR-3699/.conan/data/libtorrent/2.0.1/_/_/build/34b68ce5043952f62cf3e56bc66dcfc081197bab/source_subfolder/deps/try_signal/try_signal.cpp:79:5: warning: disabled expansion of recursive macro [-Wdisabled-macro-expansion] sa.sa_sigaction = &sig::detail::handler; ^ /usr/include/x86_64-linux-gnu/bits/sigaction.h:37:43: note: expanded from macro 'sa_sigaction' # define sa_sigaction __sigaction_handler.sa_sigaction ^ 2 warnings generated. CMake Warning (dev) at source_subfolder/torrent-rasterbar-pkgconfig/compile-settings-expanded.cmake:3 (set): Policy CMP0053 is not set: Simplify variable reference and escape sequence evaluation. Run "cmake --help-policy CMP0053" for policy details. Use the cmake_policy command to set the policy and suppress this warning. For input: ';@CMAKE_INSTALL_PREFIX@/include;/home/conan/w/cci_PR-3699/.conan/data/boost/1.74.0/_/_/package/dd429c321e2e801fdc086de38c9ffec09709071c/include;/home/conan/w/cci_PR-3699/.conan/data/openssl/1.1.1h/_/_/package/0bb6f9a537a76b4aa6af7fb4dbef0aa6dddcabf4/include' the old evaluation rules produce: ';/home/conan/w/cci_PR-3699/.conan/data/libtorrent/2.0.1/_/_/package/34b68ce5043952f62cf3e56bc66dcfc081197bab/include;/home/conan/w/cci_PR-3699/.conan/data/boost/1.74.0/_/_/package/dd429c321e2e801fdc086de38c9ffec09709071c/include;/home/conan/w/cci_PR-3699/.conan/data/openssl/1.1.1h/_/_/package/0bb6f9a537a76b4aa6af7fb4dbef0aa6dddcabf4/include' but the new evaluation rules produce: ';@CMAKE_INSTALL_PREFIX@/include;/home/conan/w/cci_PR-3699/.conan/data/boost/1.74.0/_/_/package/dd429c321e2e801fdc086de38c9ffec09709071c/include;/home/conan/w/cci_PR-3699/.conan/data/openssl/1.1.1h/_/_/package/0bb6f9a537a76b4aa6af7fb4dbef0aa6dddcabf4/include' Using the old result for compatibility since the policy is not set. Call Stack (most recent call first): source_subfolder/torrent-rasterbar-pkgconfig/generate-pkg-config.cmake:1 (include) source_subfolder/cmake_install.cmake:41 (include) cmake_install.cmake:42 (include) This warning is for project developers. Use -Wno-dev to suppress it. CMake Warning (dev) at source_subfolder/torrent-rasterbar-pkgconfig/generate-pkg-config.cmake:29 (list): Policy CMP0007 is not set: list command no longer ignores empty elements. Run "cmake --help-policy CMP0007" for policy details. Use the cmake_policy command to set the policy and suppress this warning. List has value = [/home/conan/w/cci_PR-3699/.conan/data/libtorrent/2.0.1/_/_/package/34b68ce5043952f62cf3e56bc66dcfc081197bab/lib;;/home/conan/w/cci_PR-3699/.conan/data/openssl/1.1.1h/_/_/package/0bb6f9a537a76b4aa6af7fb4dbef0aa6dddcabf4/lib;/home/conan/w/cci_PR-3699/.conan/data/openssl/1.1.1h/_/_/package/0bb6f9a537a76b4aa6af7fb4dbef0aa6dddcabf4/lib;;;;]. Call Stack (most recent call first): source_subfolder/torrent-rasterbar-pkgconfig/generate-pkg-config.cmake:36 (split_library_dirs) source_subfolder/cmake_install.cmake:41 (include) cmake_install.cmake:42 (include) This warning is for project developers. Use -Wno-dev to suppress it. CMake Warning (dev) at source_subfolder/torrent-rasterbar-pkgconfig/generate-pkg-config.cmake:5 (list): Policy CMP0007 is not set: list command no longer ignores empty elements. Run "cmake --help-policy CMP0007" for policy details. Use the cmake_policy command to set the policy and suppress this warning. List has value = [;BOOST_ASIO_ENABLE_CANCELIO;BOOST_ASIO_NO_DEPRECATED;TORRENT_USE_OPENSSL;TORRENT_USE_LIBCRYPTO;TORRENT_SSL_PEERS;OPENSSL_NO_SSL2]. Call Stack (most recent call first): source_subfolder/torrent-rasterbar-pkgconfig/generate-pkg-config.cmake:46 (cmake_list_to_pkg_config) source_subfolder/cmake_install.cmake:41 (include) cmake_install.cmake:42 (include) This warning is for project developers. Use -Wno-dev to suppress it. CMake Warning (dev) at source_subfolder/torrent-rasterbar-pkgconfig/generate-pkg-config.cmake:5 (list): Policy CMP0007 is not set: list command no longer ignores empty elements. Run "cmake --help-policy CMP0007" for policy details. Use the cmake_policy command to set the policy and suppress this warning. List has value = [;/home/conan/w/cci_PR-3699/.conan/data/libtorrent/2.0.1/_/_/package/34b68ce5043952f62cf3e56bc66dcfc081197bab/include;/home/conan/w/cci_PR-3699/.conan/data/boost/1.74.0/_/_/package/dd429c321e2e801fdc086de38c9ffec09709071c/include;/home/conan/w/cci_PR-3699/.conan/data/openssl/1.1.1h/_/_/package/0bb6f9a537a76b4aa6af7fb4dbef0aa6dddcabf4/include]. Call Stack (most recent call first): source_subfolder/torrent-rasterbar-pkgconfig/generate-pkg-config.cmake:47 (cmake_list_to_pkg_config) source_subfolder/cmake_install.cmake:41 (include) cmake_install.cmake:42 (include) This warning is for project developers. Use -Wno-dev to suppress it. CMake Warning: Manually-specified variables were not used by the project: CMAKE_EXPORT_NO_PACKAGE_REGISTRY