******************************************************************************** conan install nsync/1.23.0@ --build=nsync --profile=/home/conan/w/BuildSingleReference/33531/c1d2bce6-ed10-45a7-98de-61de9bf95674/profile.txt ******************************************************************************** Configuration: [settings] arch=x86_64 arch_build=x86_64 build_type=Release compiler=gcc compiler.libcxx=libstdc++11 compiler.version=10 os=Linux os_build=Linux [options] nsync:shared=False [build_requires] [env] nsync/1.23.0: Forced build from source Installing package: nsync/1.23.0 Requirements nsync/1.23.0 from local cache - Cache Packages nsync/1.23.0:b173bbda18164d49a449ffadc1c9e817f49e819d - Build Installing (downloading, building) binaries... nsync/1.23.0: Copying sources to build folder nsync/1.23.0: Building your package in /home/conan/w/BuildSingleReference/.conan/data/nsync/1.23.0/_/_/build/b173bbda18164d49a449ffadc1c9e817f49e819d nsync/1.23.0: Generator cmake created conanbuildinfo.cmake [HOOK - conan-center.py] pre_build(): [FPIC MANAGEMENT (KB-H007)] OK. 'fPIC' option found and apparently well managed [HOOK - conan-center.py] pre_build(): [FPIC MANAGEMENT (KB-H007)] OK nsync/1.23.0: Calling build() nsync/1.23.0: nsync/1.23.0: WARN: Build folder is dirty, removing it: /home/conan/w/BuildSingleReference/.conan/data/nsync/1.23.0/_/_/build/b173bbda18164d49a449ffadc1c9e817f49e819d nsync/1.23.0: ERROR: Package 'b173bbda18164d49a449ffadc1c9e817f49e819d' build failed nsync/1.23.0: WARN: Build folder /home/conan/w/BuildSingleReference/.conan/data/nsync/1.23.0/_/_/build/b173bbda18164d49a449ffadc1c9e817f49e819d ERROR: nsync/1.23.0: Error in build() method, line 57 self._patch_sources() while calling '_patch_sources', line 52 tools.replace_in_file(os.path.join(self._source_subfolder, "CMakeLists.txt"), NameError: name 'os' is not defined