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conan install opencl-icd-loader/2021.04.29@ --build=opencl-icd-loader --profile=/home/conan/w/BuildSingleReference/20231/5f09d0b2-0e9d-4e94-ba52-7f30b436be65/profile.txt
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Configuration:
[settings]
arch=x86_64
arch_build=x86_64
build_type=Release
compiler=gcc
compiler.libcxx=libstdc++11
compiler.version=7
os=Linux
os_build=Linux
[options]
opencl-icd-loader:shared=False
[build_requires]
[env]

opencl-icd-loader/2021.04.29: Forced build from source
Installing package: opencl-icd-loader/2021.04.29
Requirements
    opencl-headers/2021.04.29 from 'conan-center' - Cache
    opencl-icd-loader/2021.04.29 from local cache - Cache
Packages
    opencl-headers/2021.04.29:5ab84d6acfe1f23c4fae0ab88f26e3a396351ac9 - Cache
    opencl-icd-loader/2021.04.29:edc226ea2570838cd92cbe020b5977863c71eaab - Build

Installing (downloading, building) binaries...
opencl-headers/2021.04.29: Already installed!
[HOOK - conan-center.py] post_package_info(): [CMAKE FILE NOT IN BUILD FOLDERS (KB-H019)] OK
[HOOK - conan-center.py] post_package_info(): [LIBRARY DOES NOT EXIST (KB-H054)] OK
opencl-icd-loader/2021.04.29: Copying sources to build folder
opencl-icd-loader/2021.04.29: Building your package in /home/conan/w/BuildSingleReference/.conan/data/opencl-icd-loader/2021.04.29/_/_/build/edc226ea2570838cd92cbe020b5977863c71eaab
opencl-icd-loader/2021.04.29: Generator cmake created conanbuildinfo.cmake
[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
opencl-icd-loader/2021.04.29: Calling build()
opencl-icd-loader/2021.04.29: 
opencl-headers/2021.04.29: WARN: Lib folder doesn't exist, can't collect libraries: /home/conan/w/BuildSingleReference/.conan/data/opencl-headers/2021.04.29/_/_/package/5ab84d6acfe1f23c4fae0ab88f26e3a396351ac9/lib
opencl-headers/2021.04.29: WARN: Lib folder doesn't exist, can't collect libraries: /home/conan/w/BuildSingleReference/.conan/data/opencl-headers/2021.04.29/_/_/package/5ab84d6acfe1f23c4fae0ab88f26e3a396351ac9/lib
opencl-icd-loader/2021.04.29: WARN: Build folder is dirty, removing it: /home/conan/w/BuildSingleReference/.conan/data/opencl-icd-loader/2021.04.29/_/_/build/edc226ea2570838cd92cbe020b5977863c71eaab
opencl-icd-loader/2021.04.29: ERROR: Package 'edc226ea2570838cd92cbe020b5977863c71eaab' build failed
opencl-icd-loader/2021.04.29: WARN: Build folder /home/conan/w/BuildSingleReference/.conan/data/opencl-icd-loader/2021.04.29/_/_/build/edc226ea2570838cd92cbe020b5977863c71eaab
ERROR: opencl-icd-loader/2021.04.29: Error in build() method, line 59
	self._patch_sources()
while calling '_patch_sources', line 55
	for patch in self.conan_data["patches"].get(self.version, []):
	KeyError: 'patches'