******************************************************************************** conan install libnsgif/1.0@ --build=libnsgif --profile=/home/conan/w/BuildSingleReference/62930/5194637e-d01b-4969-adb1-4b5b9c5f084a/profile.txt ******************************************************************************** Configuration: [settings] arch=x86_64 build_type=Release compiler=gcc compiler.libcxx=libstdc++11 compiler.version=10 os=Linux [options] libnsgif:shared=False [build_requires] [env] libnsgif/1.0: Forced build from source Installing package: libnsgif/1.0 Requirements libnsgif/1.0 from local cache - Cache Packages libnsgif/1.0:b173bbda18164d49a449ffadc1c9e817f49e819d - Build Installing (downloading, building) binaries... [HOOK - conan-center.py] pre_source(): [IMMUTABLE SOURCES (KB-H010)] OK libnsgif/1.0: Configuring sources in /home/conan/w/BuildSingleReference/.conan/data/libnsgif/1.0/_/_/source libnsgif/1.0: WARN: Build folder is dirty, removing it: /home/conan/w/BuildSingleReference/.conan/data/libnsgif/1.0/_/_/build/b173bbda18164d49a449ffadc1c9e817f49e819d libnsgif/1.0: WARN: Trying to remove corrupted source folder libnsgif/1.0: WARN: This can take a while for big packages [HOOK - conan-center.py] post_source(): ERROR: [LIBCXX MANAGEMENT (KB-H011)] Can't detect C++ source files but recipe does not remove 'self.settings.compiler.libcxx' (https://github.com/conan-io/conan-center-index/blob/master/docs/error_knowledge_base.md#KB-H011) [HOOK - conan-center.py] post_source(): ERROR: [CPPSTD MANAGEMENT (KB-H022)] Can't detect C++ source files but recipe does not remove 'self.settings.compiler.cppstd' (https://github.com/conan-io/conan-center-index/blob/master/docs/error_knowledge_base.md#KB-H022) ERROR: [HOOK - conan-center.py] post_source(): Some checks failed running the hook, check the output