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conan install imagl/0.2.1@ --profile=/Users/jenkins/w/BuildSingleReference@3/8838/d7cafc0e-a160-4705-9b92-91d00d1d4172/profile.txt --build=imagl
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Configuration:
[settings]
arch=x86_64
arch_build=x86_64
build_type=Debug
compiler=apple-clang
compiler.libcxx=libc++
compiler.version=12.0
os=Macos
os_build=Macos
[options]
imagl:shared=True
[build_requires]
[env]

Your compiler is apple-clang 12.0 and is compatible.
imagl/0.2.1: Forced build from source
Installing package: imagl/0.2.1
Requirements
    imagl/0.2.1 from local cache - Cache
    libjpeg/9d from 'conan-center' - Cache
    libpng/1.6.37 from 'conan-center' - Cache
    zlib/1.2.11 from 'conan-center' - Cache
Packages
    imagl/0.2.1:9912d8f6cf63c5729a1ae252f213b373ef958877 - Build
    libjpeg/9d:d98fae1010d1fb9e7f79a1e8a72bbf129d8660a2 - Cache
    libpng/1.6.37:150778ad56d91e99abe6728021fb5e61699efb30 - Cache
    zlib/1.2.11:d98fae1010d1fb9e7f79a1e8a72bbf129d8660a2 - Cache

Installing (downloading, building) binaries...
libjpeg/9d: 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
zlib/1.2.11: 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
libpng/1.6.37: 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
imagl/0.2.1: Copying sources to build folder
imagl/0.2.1: Building your package in /Users/jenkins/w/BuildSingleReference@3/.conan/data/imagl/0.2.1/_/_/build/9912d8f6cf63c5729a1ae252f213b373ef958877
imagl/0.2.1: Generator cmake created conanbuildinfo.cmake
imagl/0.2.1: 
imagl/0.2.1: WARN: Build folder is dirty, removing it: /Users/jenkins/w/BuildSingleReference@3/.conan/data/imagl/0.2.1/_/_/build/9912d8f6cf63c5729a1ae252f213b373ef958877
[HOOK - conan-center.py] pre_build(): ERROR: [FPIC MANAGEMENT (KB-H007)] 'fPIC' option not managed correctly. Please remove it for shared option: del self.options.fpic (https://github.com/conan-io/conan-center-index/blob/master/docs/error_knowledge_base.md#KB-H007) 
imagl/0.2.1: ERROR: Package '9912d8f6cf63c5729a1ae252f213b373ef958877' build failed
imagl/0.2.1: WARN: Build folder /Users/jenkins/w/BuildSingleReference@3/.conan/data/imagl/0.2.1/_/_/build/9912d8f6cf63c5729a1ae252f213b373ef958877
ERROR: [HOOK - conan-center.py] pre_build(): Some checks failed running the hook, check the output