******************************************************************************** conan install imagl/0.1.2@#f78996bf25dc0e654bf4f85282c4767c --build=imagl -pr /home/conan/w/prod/BuildSingleReference/201941/8b74470c-1bff-4402-a2cc-8b3e3841c5b4/profile_linux_5_libstdcpp11_gcc_debug_64.imagl-shared-False.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 5.4 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=5 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=5 os=Linux [options] imagl:shared=False [build_requires] [env] [conf] tools.system.package_manager:mode=install tools.system.package_manager:sudo=True libpng/1.6.37: Not found in local cache, looking in remotes... libpng/1.6.37: Trying with 'conan-center'... Downloading conanmanifest.txt Downloading conanfile.py Downloading conan_export.tgz libpng/1.6.37: Downloaded recipe revision 4dd111105b4022b8ebcdec1de2f9f3c9 zlib/1.2.13: Not found in local cache, looking in remotes... zlib/1.2.13: Trying with 'conan-center'... Downloading conanmanifest.txt Downloading conanfile.py Downloading conan_export.tgz zlib/1.2.13: Downloaded recipe revision 13c96f538b52e1600c40b88994de240f imagl/0.1.2: Forced build from source Installing package: imagl/0.1.2 Requirements imagl/0.1.2 from local cache - Cache libpng/1.6.37 from 'conan-center' - Downloaded zlib/1.2.13 from 'conan-center' - Downloaded Packages imagl/0.1.2:e8b2a5a320db6efb4584b7cbe063ffeb7dc5f2a4 - Invalid libpng/1.6.37:46c454909ce04fcfe4d444e9e216b9d9fbf98ebb - Download zlib/1.2.13:b1b85bfdc2206d81b3ed6a49e78498182bb98ef3 - Download Installing (downloading, building) binaries... ERROR: There are invalid packages (packages that cannot exist for this configuration): imagl/0.1.2: Cannot build for this configuration: imaGL requires some C++20 features, which your gcc 5 compiler does not support.