******************************************************************************** conan test conan-center-index/recipes/olc-pge/all/test_package/conanfile.py olc-pge/2.15@ --profile=/home/conan/w/BuildSingleReference/9945/614b6c44-cddf-46b0-994c-226d2e5dbd55/profile.txt ******************************************************************************** Configuration: [settings] arch=x86_64 arch_build=x86_64 build_type=Release compiler=gcc compiler.libcxx=libstdc++11 compiler.version=6 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/1.6.37:008f1a2b119556f550c1109663570e0f5040c13f - Cache olc-pge/2.15:INVALID - Invalid opengl/system:5ab84d6acfe1f23c4fae0ab88f26e3a396351ac9 - Cache xorg/system:5ab84d6acfe1f23c4fae0ab88f26e3a396351ac9 - Cache zlib/1.2.11:f7e573cb501ccfc49e9e4d84de886bc1ef2e6ebb - 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.