******************************************************************************** conan install log4cxx/0.12.1@#e45f6277b317badc36e671b0f96ba86a --build=log4cxx -pr /home/conan/w/prod/BuildSingleReference/206219/d0955815-5bf2-4523-9976-21c20ad7fb4a/profile_linux_5_libstdcpp11_gcc_debug_64.log4cxx-shared-False.txt -c tools.system.package_manager:mode=install -c tools.system.package_manager:sudo=True ******************************************************************************** CMake Error at CMakeLists.txt:197 (message): No shared_mutex implementation found. Requires Boost or C++17 WARN: apr-util/1.6.1: requirement expat/2.4.1 overridden by log4cxx/0.12.1 to expat/2.5.0 log4cxx/0.12.1: WARN: Using the new toolchains and generators without specifying a build profile (e.g: -pr:b=default) is discouraged and might cause failures and unexpected behavior log4cxx/0.12.1: WARN: Using the new toolchains and generators without specifying a build profile (e.g: -pr:b=default) is discouraged and might cause failures and unexpected behavior log4cxx/0.12.1: ERROR: Package '3e84a3483780c7607891fd4d15562fd3ab4cbfd9' build failed log4cxx/0.12.1: WARN: Build folder /home/conan/w/prod/BuildSingleReference/.conan/data/log4cxx/0.12.1/_/_/build/3e84a3483780c7607891fd4d15562fd3ab4cbfd9/build/Debug ERROR: log4cxx/0.12.1: Error in build() method, line 118 cmake.configure() ConanException: Error 1 while executing cmake -G "Unix Makefiles" -DCMAKE_TOOLCHAIN_FILE="/home/conan/w/prod/BuildSingleReference/.conan/data/log4cxx/0.12.1/_/_/build/3e84a3483780c7607891fd4d15562fd3ab4cbfd9/build/Debug/generators/conan_toolchain.cmake" -DCMAKE_INSTALL_PREFIX="/home/conan/w/prod/BuildSingleReference/.conan/data/log4cxx/0.12.1/_/_/package/3e84a3483780c7607891fd4d15562fd3ab4cbfd9" -DCMAKE_POLICY_DEFAULT_CMP0091="NEW" -DCMAKE_BUILD_TYPE="Debug" "/home/conan/w/prod/BuildSingleReference/.conan/data/log4cxx/0.12.1/_/_/build/3e84a3483780c7607891fd4d15562fd3ab4cbfd9/src"