******************************************************************************** conan install libqasm/0.5.0@#4140f13affc05f91b15935e66c87fc09 --build=libqasm -pr /home/conan/w/prod/BuildSingleReference/242105/9359e27b-7da8-475c-93ca-31f7e75e55d8/profile_linux_9_libstdcpp11_gcc_release_64.libqasm-shared-True.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) CC and CXX: /usr/bin/gcc, /usr/bin/g++ Found gcc 9 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=9 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=Release compiler=gcc compiler.libcxx=libstdc++11 compiler.version=9 os=Linux [options] libqasm:shared=True [build_requires] [env] [conf] tools.system.package_manager:mode=install tools.system.package_manager:sudo=True libqasm/0.5.0: Forced build from source 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 c1c4b1ee919e34630bb9b50046253d3c 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 e35bc44b3fcbcd661e0af0dc5b5b1ad4 bison/3.8.2: Not found in local cache, looking in remotes... bison/3.8.2: Trying with 'conan-center'... Downloading conanmanifest.txt Downloading conanfile.py Downloading conan_export.tgz bison/3.8.2: Downloaded recipe revision a8e86b304f8085ddbb22395c99a9a0a8 Installing package: libqasm/0.5.0 Requirements libqasm/0.5.0 from local cache - Cache Packages libqasm/0.5.0:cbf3700a07e77fc094c00feba083e4a770f80834 - Build Build requirements bison/3.8.2 from 'conan-center' - Downloaded flex/2.6.4 from 'conan-center' - Downloaded m4/1.4.19 from 'conan-center' - Downloaded Build requirements packages bison/3.8.2:342e3231dc960817bf56ef67435733b30b1e7c97 - Download flex/2.6.4:342e3231dc960817bf56ef67435733b30b1e7c97 - Download m4/1.4.19:24647d9fe8ec489125dfbae4b3ebefaf7581674c - Download Installing (downloading, building) binaries... m4/1.4.19: Retrieving package 24647d9fe8ec489125dfbae4b3ebefaf7581674c from remote 'conan-center' Downloading conanmanifest.txt Downloading conaninfo.txt Downloading conan_package.tgz m4/1.4.19: Package installed 24647d9fe8ec489125dfbae4b3ebefaf7581674c m4/1.4.19: Downloaded package revision 351ccee7894d2c23306adbf48a6bd4d9 bison/3.8.2: Retrieving package 342e3231dc960817bf56ef67435733b30b1e7c97 from remote 'conan-center' Downloading conanmanifest.txt Downloading conaninfo.txt Downloading conan_package.tgz bison/3.8.2: Package installed 342e3231dc960817bf56ef67435733b30b1e7c97 bison/3.8.2: Downloaded package revision 3bae67292f8c579987ed0d3f12e9cd6e flex/2.6.4: Retrieving package 342e3231dc960817bf56ef67435733b30b1e7c97 from remote 'conan-center' Downloading conanmanifest.txt Downloading conaninfo.txt Downloading conan_package.tgz flex/2.6.4: Package installed 342e3231dc960817bf56ef67435733b30b1e7c97 flex/2.6.4: Downloaded package revision 15b7409d439333dead2eecfc03499b66 m4/1.4.19: Appending PATH environment variable: /home/conan/w/prod/BuildSingleReference/.conan/data/m4/1.4.19/_/_/package/24647d9fe8ec489125dfbae4b3ebefaf7581674c/bin flex/2.6.4: Appending PATH environment variable: /home/conan/w/prod/BuildSingleReference/.conan/data/flex/2.6.4/_/_/package/342e3231dc960817bf56ef67435733b30b1e7c97/bin flex/2.6.4: Setting LEX environment variable: /home/conan/w/prod/BuildSingleReference/.conan/data/flex/2.6.4/_/_/package/342e3231dc960817bf56ef67435733b30b1e7c97/bin/flex libqasm/0.5.0: Applying build-requirement: flex/2.6.4 libqasm/0.5.0: Applying build-requirement: bison/3.8.2 libqasm/0.5.0: Applying build-requirement: m4/1.4.19 [HOOK - conan-center.py] pre_source(): ERROR: [IMMUTABLE SOURCES (KB-H010)] Use 'tools.get(**self.conan_data["sources"]["XXXXX"])' in the source() method to get the sources. (https://github.com/conan-io/conan-center-index/blob/master/docs/error_knowledge_base.md#KB-H010-IMMUTABLE-SOURCES) ERROR: [HOOK - conan-center.py] pre_source(): Some checks failed running the hook, check the output