******************************************************************************** conan install openscenegraph/3.6.5@ --profile=/home/conan/w/BuildSingleReference/5511/98c09535-4c7c-42ea-84b7-d20c22a7de79/profile.txt --build=openscenegraph ******************************************************************************** Configuration: [settings] arch=x86_64 arch_build=x86_64 build_type=Release compiler=clang compiler.libcxx=libc++ compiler.version=11 os=Linux os_build=Linux [options] openscenegraph:shared=False [build_requires] [env] openscenegraph/3.6.5: Forced build from source Installing package: openscenegraph/3.6.5 Requirements brotli/1.0.9 from 'conan-center' - Cache bzip2/1.0.8 from 'conan-center' - Cache expat/2.2.10 from 'conan-center' - Cache fontconfig/2.13.92 from 'conan-center' - Cache freetype/2.10.4 from 'conan-center' - Cache giflib/5.2.1 from 'conan-center' - Cache jbig/20160605 from 'conan-center' - Cache libdeflate/1.7 from 'conan-upstream' - Cache libjpeg/9d from 'conan-center' - Cache libpng/1.6.37 from 'conan-center' - Cache libtiff/4.2.0 from 'conan-upstream' - Cache libuuid/1.0.3 from 'conan-center' - Cache libwebp/1.1.0 from 'conan-center' - Cache opengl/system from 'conan-center' - Cache openscenegraph/3.6.5 from 'conan-upstream' - Cache xorg/system from 'conan-center' - Cache xz_utils/5.2.5 from 'conan-center' - Cache zlib/1.2.11 from 'conan-center' - Cache zstd/1.4.8 from 'conan-center' - Cache Packages brotli/1.0.9:d988447fa516eac7400b2f34e2d4b89e42b4b1a8 - Cache bzip2/1.0.8:a0279858937b0968952a9784938616e26eb7c2dd - Cache expat/2.2.10:d988447fa516eac7400b2f34e2d4b89e42b4b1a8 - Cache fontconfig/2.13.92:15af59b859610203277a1fbe9ab3cd592946e5b0 - Cache freetype/2.10.4:59acdf248f8581cd189bde2c88b41e049eae7a62 - Cache giflib/5.2.1:d988447fa516eac7400b2f34e2d4b89e42b4b1a8 - Cache jbig/20160605:ef361fa1f73ddde93e03f3b5d0a6a285a0bb9aa9 - Cache libdeflate/1.7:d988447fa516eac7400b2f34e2d4b89e42b4b1a8 - Cache libjpeg/9d:d988447fa516eac7400b2f34e2d4b89e42b4b1a8 - Cache libpng/1.6.37:4305977d9227c3156a3f9d8759c25afec76d9f0a - Cache libtiff/4.2.0:5dc8d28d097116b52a0a2a472bb8030adf641497 - Cache libuuid/1.0.3:d988447fa516eac7400b2f34e2d4b89e42b4b1a8 - Cache libwebp/1.1.0:f67d7d7df8619b72b467fed73316fd5a7411cd95 - Cache opengl/system:5ab84d6acfe1f23c4fae0ab88f26e3a396351ac9 - Cache openscenegraph/3.6.5:477b5ebd062c5c38dd087d05356d16a5c3bdd5dd - Build xorg/system:5ab84d6acfe1f23c4fae0ab88f26e3a396351ac9 - Cache xz_utils/5.2.5:d988447fa516eac7400b2f34e2d4b89e42b4b1a8 - Cache zlib/1.2.11:d988447fa516eac7400b2f34e2d4b89e42b4b1a8 - Cache zstd/1.4.8:d988447fa516eac7400b2f34e2d4b89e42b4b1a8 - Cache Installing (downloading, building) binaries... brotli/1.0.9: Already installed! [HOOK - conan-center.py] post_package_info(): [CMAKE FILE NOT IN BUILD FOLDERS (KB-H019)] OK bzip2/1.0.8: Already installed! [HOOK - conan-center.py] post_package_info(): [CMAKE FILE NOT IN BUILD FOLDERS (KB-H019)] OK expat/2.2.10: Already installed! [HOOK - conan-center.py] post_package_info(): [CMAKE FILE NOT IN BUILD FOLDERS (KB-H019)] OK giflib/5.2.1: Already installed! [HOOK - conan-center.py] post_package_info(): [CMAKE FILE NOT IN BUILD FOLDERS (KB-H019)] OK jbig/20160605: Already installed! jbig/20160605: Appending PATH environment variable: /home/conan/w/BuildSingleReference/.conan/data/jbig/20160605/_/_/package/ef361fa1f73ddde93e03f3b5d0a6a285a0bb9aa9/bin [HOOK - conan-center.py] post_package_info(): [CMAKE FILE NOT IN BUILD FOLDERS (KB-H019)] OK libdeflate/1.7: Already installed! [HOOK - conan-center.py] post_package_info(): [CMAKE FILE NOT IN BUILD FOLDERS (KB-H019)] OK libjpeg/9d: Already installed! [HOOK - conan-center.py] post_package_info(): [CMAKE FILE NOT IN BUILD FOLDERS (KB-H019)] OK libuuid/1.0.3: Already installed! [HOOK - conan-center.py] post_package_info(): [CMAKE FILE NOT IN BUILD FOLDERS (KB-H019)] OK libwebp/1.1.0: Already installed! [HOOK - conan-center.py] post_package_info(): [CMAKE FILE NOT IN BUILD FOLDERS (KB-H019)] OK opengl/system: Already installed! ERROR: opengl/system: Error in package_info() method, line 80 self._fill_cppinfo_from_pkgconfig('gl') while calling '_fill_cppinfo_from_pkgconfig', line 20 if not pkg_config.provides: ConanException: pkg-config command ['pkg-config', '--print-provides', 'gl', '--print-errors'] failed with error: Command 'pkg-config --print-provides gl --print-errors' returned non-zero exit status 127. /bin/sh: 1: pkg-config: not found