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conan install libnsgif/1.0@ --build=libnsgif --profile=/home/conan/w/BuildSingleReference/62954/b004e1e2-b0ff-4f1e-b5ef-76640cbabcbb/profile.txt
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Configuration:
[settings]
arch=x86_64
build_type=Release
compiler=gcc
compiler.libcxx=libstdc++11
compiler.version=5
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/1.0:76f87539fc90ff313e0b3182641a9bb558a717d2 - 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/76f87539fc90ff313e0b3182641a9bb558a717d2
libnsgif/1.0: Generator cmake created conanbuildinfo.cmake
libnsgif/1.0: Calling generate()
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/76f87539fc90ff313e0b3182641a9bb558a717d2
libnsgif/1.0: WARN: Using the new toolchains and generators without specifying a build profile (e.g: -pr:b=default) is discouraged and might cause failures and unexpected behavior
libnsgif/1.0: ERROR: Package '76f87539fc90ff313e0b3182641a9bb558a717d2' build failed
libnsgif/1.0: WARN: Build folder /home/conan/w/BuildSingleReference/.conan/data/libnsgif/1.0/_/_/build/76f87539fc90ff313e0b3182641a9bb558a717d2/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