CMake Warning: Manually-specified variables were not used by the project: CMAKE_EXPORT_NO_PACKAGE_REGISTRY 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/cd1da2e89ac2e79124fc708e4bddf40c3a55651e/include;/home/conan/w/cci_PR-3699/.conan/data/openssl/1.1.1h/_/_/package/b1b85bfdc2206d81b3ed6a49e78498182bb98ef3/include' the old evaluation rules produce: ';/home/conan/w/cci_PR-3699/.conan/data/libtorrent/1.2.3/_/_/package/32fbd7b871d9bd281a31476823722aa4d3ff0f13/include;/home/conan/w/cci_PR-3699/.conan/data/boost/1.74.0/_/_/package/cd1da2e89ac2e79124fc708e4bddf40c3a55651e/include;/home/conan/w/cci_PR-3699/.conan/data/openssl/1.1.1h/_/_/package/b1b85bfdc2206d81b3ed6a49e78498182bb98ef3/include' but the new evaluation rules produce: ';@CMAKE_INSTALL_PREFIX@/include;/home/conan/w/cci_PR-3699/.conan/data/boost/1.74.0/_/_/package/cd1da2e89ac2e79124fc708e4bddf40c3a55651e/include;/home/conan/w/cci_PR-3699/.conan/data/openssl/1.1.1h/_/_/package/b1b85bfdc2206d81b3ed6a49e78498182bb98ef3/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/1.2.3/_/_/package/32fbd7b871d9bd281a31476823722aa4d3ff0f13/lib;;/home/conan/w/cci_PR-3699/.conan/data/openssl/1.1.1h/_/_/package/b1b85bfdc2206d81b3ed6a49e78498182bb98ef3/lib;/home/conan/w/cci_PR-3699/.conan/data/openssl/1.1.1h/_/_/package/b1b85bfdc2206d81b3ed6a49e78498182bb98ef3/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/1.2.3/_/_/package/32fbd7b871d9bd281a31476823722aa4d3ff0f13/include;/home/conan/w/cci_PR-3699/.conan/data/boost/1.74.0/_/_/package/cd1da2e89ac2e79124fc708e4bddf40c3a55651e/include;/home/conan/w/cci_PR-3699/.conan/data/openssl/1.1.1h/_/_/package/b1b85bfdc2206d81b3ed6a49e78498182bb98ef3/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. Terminated ERROR: libtorrent/1.2.3 (test package): Error in build() method, line 11 cmake.configure() ConanException: Error 143 while executing cd '/home/conan/w/cci_PR-3699/7/73e6c434-10c8-48c9-9822-524ed5bb555e/recipes/libtorrent/all/test_package/build/71399a96464b25c5f30d580b882b75441812964b' && cmake -G "Unix Makefiles" -DCMAKE_BUILD_TYPE="Debug" -DCONAN_IN_LOCAL_CACHE="OFF" -DCONAN_COMPILER="gcc" -DCONAN_COMPILER_VERSION="5" -DCONAN_CXX_FLAGS="-m64" -DCONAN_SHARED_LINKER_FLAGS="-m64" -DCONAN_C_FLAGS="-m64" -DCONAN_LIBCXX="libstdc++11" -DCMAKE_MODULE_PATH="/home/conan/w/cci_PR-3699/7/73e6c434-10c8-48c9-9822-524ed5bb555e/recipes/libtorrent/all/test_package/build/71399a96464b25c5f30d580b882b75441812964b" -DCMAKE_EXPORT_NO_PACKAGE_REGISTRY="ON" -DCONAN_EXPORTED="1" -Wno-dev '/home/conan/w/cci_PR-3699/7/73e6c434-10c8-48c9-9822-524ed5bb555e/recipes/libtorrent/all/test_package' Terminated