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conan install clipper/4.8.8@#f6874150ecc006fdfc84afd6d7bd478a --build=clipper -pr /home/conan/w/prod/BuildSingleReference/30401/525d3d8a-f6a7-488c-8fb8-a11a1e29136e/profile_linux_9_libstdcpp_gcc_debug_64.clipper-shared-False.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 9
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=9
	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=Debug
compiler=gcc
compiler.libcxx=libstdc++
compiler.version=9
os=Linux
[options]
clipper:shared=False
[build_requires]
[env]

clipper/4.8.8: Forced build from source
Installing package: clipper/4.8.8
Requirements
    clipper/4.8.8 from local cache - Cache
Packages
    clipper/4.8.8:9cb7ac99f58a79b591516cbdd53096db4a815c86 - Build

Installing (downloading, building) binaries...
[HOOK - conan-center.py] pre_source(): [IMMUTABLE SOURCES (KB-H010)] OK
clipper/4.8.8: Configuring sources in /home/conan/w/prod/BuildSingleReference/.conan/data/clipper/4.8.8/_/_/source
ERROR: clipper/4.8.8: Error in source() method, line 73
	destination=self._source_subfolder, strip_root=True)
	NotFoundException: Not found: https://sourceforge.net/code-snapshots/svn/p/po/polyclipping/code/polyclipping-code-r585-tags-4.8.8.zip