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conan install fmt/8.0.1@#e6f7539053c277a83f820780c85e6e23 --build=fmt -pr /home/conan/w/prod/BuildSingleReference/23648/43bba9f3-9f2f-4e8a-8357-d09643e3f87d/profile_linux_5_libstdcpp11_gcc_release_64.fmt-header_only-True.txt
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Auto detecting your dev setup to initialize the default profile (/home/conan/w/prod/BuildSingleReference/.conan/profiles/default)
CC and CXX: /usr/bin/gcc, /usr/bin/g++ 
Found gcc 5.4
gcc>=5, using the major as version

************************* WARNING: GCC OLD ABI COMPATIBILITY ***********************
 
Conan detected a GCC version > 5 but has adjusted the 'compiler.libcxx' setting to
'libstdc++' for backwards compatibility.
Your compiler is likely using the new CXX11 ABI by default (libstdc++11).

If you want Conan to use the new ABI for the default profile, run:

    $ conan profile update settings.compiler.libcxx=libstdc++11 default

Or edit '/home/conan/w/prod/BuildSingleReference/.conan/profiles/default' and set compiler.libcxx=libstdc++11

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Default settings
	os=Linux
	os_build=Linux
	arch=x86_64
	arch_build=x86_64
	compiler=gcc
	compiler.version=5
	compiler.libcxx=libstdc++
	build_type=Release
*** You can change them in /home/conan/w/prod/BuildSingleReference/.conan/profiles/default ***
*** Or override with -s compiler='other' -s ...s***


Configuration:
[settings]
arch=x86_64
build_type=Release
compiler=gcc
compiler.libcxx=libstdc++11
compiler.version=5
os=Linux
[options]
fmt:header_only=True
[build_requires]
[env]

fmt/8.0.1: Forced build from source
Installing package: fmt/8.0.1
Requirements
    fmt/8.0.1 from local cache - Cache
Packages
    fmt/8.0.1:5ab84d6acfe1f23c4fae0ab88f26e3a396351ac9 - Build

Installing (downloading, building) binaries...
[HOOK - conan-center.py] pre_source(): [IMMUTABLE SOURCES (KB-H010)] OK
fmt/8.0.1: Configuring sources in /home/conan/w/prod/BuildSingleReference/.conan/data/fmt/8.0.1/_/_/source
fmt/8.0.1: 
[HOOK - conan-center.py] post_source(): [LIBCXX MANAGEMENT (KB-H011)] OK
[HOOK - conan-center.py] post_source(): [CPPSTD MANAGEMENT (KB-H022)] OK
[HOOK - conan-center.py] post_source(): [SHORT_PATHS USAGE (KB-H066)] OK
fmt/8.0.1: Copying sources to build folder
fmt/8.0.1: Building your package in /home/conan/w/prod/BuildSingleReference/.conan/data/fmt/8.0.1/_/_/build/5ab84d6acfe1f23c4fae0ab88f26e3a396351ac9
fmt/8.0.1: Generator txt created conanbuildinfo.txt
fmt/8.0.1: Calling generate()
fmt/8.0.1: Aggregating env generators
[HOOK - conan-center.py] pre_build(): [FPIC MANAGEMENT (KB-H007)] 'fPIC' option not found
[HOOK - conan-center.py] pre_build(): [FPIC MANAGEMENT (KB-H007)] OK
fmt/8.0.1: Calling build()
fmt/8.0.1: Package '5ab84d6acfe1f23c4fae0ab88f26e3a396351ac9' built
fmt/8.0.1: Build folder /home/conan/w/prod/BuildSingleReference/.conan/data/fmt/8.0.1/_/_/build/5ab84d6acfe1f23c4fae0ab88f26e3a396351ac9/cmake-build-release
fmt/8.0.1: Generated conaninfo.txt
fmt/8.0.1: Generated conanbuildinfo.txt
fmt/8.0.1: Generating the package
fmt/8.0.1: Package folder /home/conan/w/prod/BuildSingleReference/.conan/data/fmt/8.0.1/_/_/package/5ab84d6acfe1f23c4fae0ab88f26e3a396351ac9
fmt/8.0.1: Calling package()
ERROR: fmt/8.0.1: Error in package() method, line 121
	copy(self, pattern="*.h", dst="include", src=os.path.join(self._source_subfolder, "include"))
	AttributeError: 'FmtConan' object has no attribute '_source_subfolder'