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/25a9170b8e2dce9256a30fc43ebd45d1837fa6f4/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:40:43: note: expanded from macro 'sa_sigaction' # define sa_sigaction __sigaction_handler.sa_sigaction ^ 1 warning 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/ad7aca342377fcff316378b1c1fbda195a8bffa2/include;/home/conan/w/cci_PR-3699/.conan/data/openssl/1.1.1h/_/_/package/d192df17f79e17f2a80ffc0625135389018e342b/include' the old evaluation rules produce: ';/home/conan/w/cci_PR-3699/.conan/data/libtorrent/2.0.1/_/_/package/25a9170b8e2dce9256a30fc43ebd45d1837fa6f4/include;/home/conan/w/cci_PR-3699/.conan/data/boost/1.74.0/_/_/package/ad7aca342377fcff316378b1c1fbda195a8bffa2/include;/home/conan/w/cci_PR-3699/.conan/data/openssl/1.1.1h/_/_/package/d192df17f79e17f2a80ffc0625135389018e342b/include' but the new evaluation rules produce: ';@CMAKE_INSTALL_PREFIX@/include;/home/conan/w/cci_PR-3699/.conan/data/boost/1.74.0/_/_/package/ad7aca342377fcff316378b1c1fbda195a8bffa2/include;/home/conan/w/cci_PR-3699/.conan/data/openssl/1.1.1h/_/_/package/d192df17f79e17f2a80ffc0625135389018e342b/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/25a9170b8e2dce9256a30fc43ebd45d1837fa6f4/lib;;/home/conan/w/cci_PR-3699/.conan/data/openssl/1.1.1h/_/_/package/d192df17f79e17f2a80ffc0625135389018e342b/lib;/home/conan/w/cci_PR-3699/.conan/data/openssl/1.1.1h/_/_/package/d192df17f79e17f2a80ffc0625135389018e342b/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 = [;/home/conan/w/cci_PR-3699/.conan/data/libtorrent/2.0.1/_/_/package/25a9170b8e2dce9256a30fc43ebd45d1837fa6f4/include;/home/conan/w/cci_PR-3699/.conan/data/boost/1.74.0/_/_/package/ad7aca342377fcff316378b1c1fbda195a8bffa2/include;/home/conan/w/cci_PR-3699/.conan/data/openssl/1.1.1h/_/_/package/d192df17f79e17f2a80ffc0625135389018e342b/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