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conan install libnsgif/1.0@ --build=libnsgif --profile=/home/conan/w/BuildSingleReference/62955/8b9e42a0-21d5-41e6-8930-002b40949c91/profile.txt
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Configuration:
[settings]
arch=x86_64
build_type=Release
compiler=gcc
compiler.libcxx=libstdc++11
compiler.version=8
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/1.0:1d877a3df840030e6a8abb74c5ffb9088d08b47a - Build

Installing (downloading, building) binaries...
libnsgif/1.0: Copying sources to build folder
libnsgif/1.0: Building your package in /home/conan/w/BuildSingleReference/.conan/data/libnsgif/1.0/_/_/build/1d877a3df840030e6a8abb74c5ffb9088d08b47a
libnsgif/1.0: Generator cmake created conanbuildinfo.cmake
libnsgif/1.0: Aggregating env generators
[HOOK - conan-center.py] pre_build(): [FPIC MANAGEMENT (KB-H007)] OK. 'fPIC' option found and apparently well managed
[HOOK - conan-center.py] pre_build(): [FPIC MANAGEMENT (KB-H007)] OK
libnsgif/1.0: Calling build()
libnsgif/1.0: 
libnsgif/1.0: WARN: Build folder is dirty, removing it: /home/conan/w/BuildSingleReference/.conan/data/libnsgif/1.0/_/_/build/1d877a3df840030e6a8abb74c5ffb9088d08b47a
libnsgif/1.0: ERROR: Package '1d877a3df840030e6a8abb74c5ffb9088d08b47a' build failed
libnsgif/1.0: WARN: Build folder /home/conan/w/BuildSingleReference/.conan/data/libnsgif/1.0/_/_/build/1d877a3df840030e6a8abb74c5ffb9088d08b47a/cmake-build-release
ERROR: libnsgif/1.0: Error in build() method, line 42
	cmake = CMake(self)
	ConanException: Usage of toolchain is only supported with 'cmake_find_package' or 'cmake_find_package_multi' generators