******************************************************************************** conan install bison/3.5.3@#1c78605b70e7ca3a9f26c1de3f326a4c --build=bison -pr /home/conan/w/prod/BuildSingleReference/79867/c601a14a-9d3e-4799-9a6e-42615860e1d4/profile_linux_11_libstdcpp11_gcc_debug_64..txt -c tools.system.package_manager:mode=install -c tools.system.package_manager:sudo=True ******************************************************************************** Auto detecting your dev setup to initialize the default profile (/home/conan/w/prod/BuildSingleReference/.conan/profiles/default) Found gcc 11.1 gcc>=5, using the major as version ************************* WARNING: GCC OLD ABI COMPATIBILITY *********************** Conan detected a GCC version > 5 but has adjusted the 'compiler.libcxx' setting to 'libstdc++' for backwards compatibility. Your compiler is likely using the new CXX11 ABI by default (libstdc++11). If you want Conan to use the new ABI for the default profile, run: $ conan profile update settings.compiler.libcxx=libstdc++11 default Or edit '/home/conan/w/prod/BuildSingleReference/.conan/profiles/default' and set compiler.libcxx=libstdc++11 ************************************************************************************ Default settings os=Linux os_build=Linux arch=x86_64 arch_build=x86_64 compiler=gcc compiler.version=11 compiler.libcxx=libstdc++ build_type=Release *** You can change them in /home/conan/w/prod/BuildSingleReference/.conan/profiles/default *** *** Or override with -s compiler='other' -s ...s*** Configuration: [settings] arch=x86_64 build_type=Debug compiler=gcc compiler.libcxx=libstdc++11 compiler.version=11 os=Linux [options] [build_requires] [env] [conf] tools.system.package_manager:mode=install tools.system.package_manager:sudo=True m4/1.4.19: Not found in local cache, looking in remotes... m4/1.4.19: Trying with 'conan-center'... Downloading conanmanifest.txt Downloading conanfile.py Downloading conan_export.tgz m4/1.4.19: Downloaded recipe revision d9741f0aa0ac45e6b54a59f79e32ac81 bison/3.5.3: Forced build from source flex/2.6.4: Not found in local cache, looking in remotes... flex/2.6.4: Trying with 'conan-center'... Downloading conanmanifest.txt Downloading conanfile.py Downloading conan_export.tgz flex/2.6.4: Downloaded recipe revision e4696e6333f2d486e7073de6a9559712 Installing package: bison/3.5.3 Requirements bison/3.5.3 from local cache - Cache m4/1.4.19 from 'conan-center' - Downloaded Packages bison/3.5.3:fdc3d4c4d0d800b3f563bc3dc887cdcaa960b0ae - Build m4/1.4.19:cc9f9b2b9f92fc82888026414560bf79d8c3a052 - Download Build requirements flex/2.6.4 from 'conan-center' - Downloaded Build requirements packages flex/2.6.4:fdc3d4c4d0d800b3f563bc3dc887cdcaa960b0ae - Download Installing (downloading, building) binaries... m4/1.4.19: Retrieving package cc9f9b2b9f92fc82888026414560bf79d8c3a052 from remote 'conan-center' Downloading conanmanifest.txt Downloading conaninfo.txt Downloading conan_package.tgz m4/1.4.19: Package installed cc9f9b2b9f92fc82888026414560bf79d8c3a052 m4/1.4.19: Downloaded package revision 44ed400503d3635a160967902f07870f flex/2.6.4: Retrieving package fdc3d4c4d0d800b3f563bc3dc887cdcaa960b0ae from remote 'conan-center' Downloading conanmanifest.txt Downloading conaninfo.txt Downloading conan_package.tgz flex/2.6.4: Package installed fdc3d4c4d0d800b3f563bc3dc887cdcaa960b0ae flex/2.6.4: Downloaded package revision 9a494fe123f7f9d994661ee2ed9de800 m4/1.4.19: Appending PATH environment variable: /home/conan/w/prod/BuildSingleReference/.conan/data/m4/1.4.19/_/_/package/cc9f9b2b9f92fc82888026414560bf79d8c3a052/bin m4/1.4.19: Setting M4 environment variable: /home/conan/w/prod/BuildSingleReference/.conan/data/m4/1.4.19/_/_/package/cc9f9b2b9f92fc82888026414560bf79d8c3a052/bin/m4 flex/2.6.4: Appending PATH environment variable: /home/conan/w/prod/BuildSingleReference/.conan/data/flex/2.6.4/_/_/package/fdc3d4c4d0d800b3f563bc3dc887cdcaa960b0ae/bin flex/2.6.4: Setting LEX environment variable: /home/conan/w/prod/BuildSingleReference/.conan/data/flex/2.6.4/_/_/package/fdc3d4c4d0d800b3f563bc3dc887cdcaa960b0ae/bin/flex bison/3.5.3: Applying build-requirement: flex/2.6.4 [HOOK - conan-center.py] pre_source(): [IMMUTABLE SOURCES (KB-H010)] OK bison/3.5.3: Configuring sources in /home/conan/w/prod/BuildSingleReference/.conan/data/bison/3.5.3/_/_/source ERROR: bison/3.5.3: Error in source() method, line 55 tools.files.get(self, **self.conan_data["sources"][self.version], AttributeError: module 'conans.tools' has no attribute 'files'