******************************************************************************** conan test conan-center-index/recipes/olc-pge/all/test_package/conanfile.py olc-pge/2.15@ --profile=/home/conan/w/BuildSingleReference/9945/f1e2978b-119f-4f48-aab2-8f6dc1356e25/profile.txt ******************************************************************************** Configuration: [settings] arch=x86_64 arch_build=x86_64 build_type=Debug compiler=gcc compiler.libcxx=libstdc++11 compiler.version=7 os=Linux os_build=Linux [options] [build_requires] [env] olc-pge/2.15 (test package): Installing package Requirements libpng/1.6.37 from 'conan-center' - Cache olc-pge/2.15 from local cache - Cache opengl/system from 'conan-center' - Cache xorg/system from 'conan-center' - Cache zlib/1.2.11 from 'conan-center' - Cache Packages libpng/1.6.37:61378f3db01d0a2424aa7ca62df88dcbfa0c279e - Cache olc-pge/2.15:INVALID - Invalid opengl/system:5ab84d6acfe1f23c4fae0ab88f26e3a396351ac9 - Cache xorg/system:5ab84d6acfe1f23c4fae0ab88f26e3a396351ac9 - Cache zlib/1.2.11:db2ca884c9793e0b0fb54ec3f846326d1addacc8 - Cache Installing (downloading, building) binaries... ERROR: There are invalid packages (packages that cannot exist for this configuration): olc-pge/2.15: Invalid ID: Incompatible glext.h header.