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conan install rmlui/3.3@ --build=rmlui --profile:host=/Users/jenkins/w/BuildSingleReference@6/16680/7f474851-2b3c-4793-be6b-99b60c360d0e/profile_host.txt --profile:build=default
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Configuration (profile_host):
[settings]
arch=armv8
build_type=Release
compiler=apple-clang
compiler.libcxx=libc++
compiler.version=12.0
os=Macos
[options]
rmlui:shared=True
[build_requires]
[env]

Configuration (profile_build):
[settings]
arch=x86_64
arch_build=x86_64
build_type=Release
compiler=apple-clang
compiler.libcxx=libc++
compiler.version=12.0
os=Macos
os_build=Macos
[options]
[build_requires]
[env]

rmlui/3.3: Forced build from source
Installing package: rmlui/3.3
Requirements
    bzip2/1.0.8 from 'conan-center' - Cache
    freetype/2.10.1 from 'conan-center' - Cache
    libpng/1.6.37 from 'conan-center' - Cache
    rmlui/3.3 from 'TapaholesList-142' - Cache
    zlib/1.2.11 from 'conan-center' - Cache
Packages
    bzip2/1.0.8:9225c2771fbfd3c1ec5ebf3f393eeff631404182 - Download
    freetype/2.10.1:d4bcca93767a0017eebcf8c5ed04ccdd46bf0e6a - Missing
    libpng/1.6.37:68a3718d811c794b987fc5cf55a2682bd569538b - Missing
    rmlui/3.3:1faa2dab2a5f61afb2f84f2127fe227ca1da90d2 - Build
    zlib/1.2.11:8fafab5ebfba468fd21a497cfee65cafe294bd9e - Download
Build requirements
    cmake/3.20.0 from 'conan-center' - Cache
    openssl/1.1.1k from 'conan-center' - Cache
Build requirements packages
    cmake/3.20.0:cf36af68367ac960cc1360ef3ea3c735fa475414 - Download
    openssl/1.1.1k:647afeb69d3b0a2d3d316e80b24d38c714cc6900 - Download

Cross-build from 'Macos:x86_64' to 'Macos:armv8'
Installing (downloading, building) binaries...

ERROR: Missing binary: freetype/2.10.1:d4bcca93767a0017eebcf8c5ed04ccdd46bf0e6a
ERROR: Missing binary: libpng/1.6.37:68a3718d811c794b987fc5cf55a2682bd569538b
libpng/1.6.37: WARN: Can't find a 'libpng/1.6.37' package for the specified settings, options and dependencies:
- Settings: arch=armv8, build_type=Release, compiler=apple-clang, compiler.version=12.0, os=Macos
- Options: api_prefix=None, fPIC=True, shared=False, zlib:fPIC=True, zlib:minizip=deprecated, zlib:shared=False
- Dependencies: zlib/1.2.11
- Requirements: zlib/1.Y.Z
- Package ID: 68a3718d811c794b987fc5cf55a2682bd569538b

ERROR: Missing prebuilt package for 'freetype/2.10.1', 'libpng/1.6.37'
Try to build from sources with '--build=freetype --build=libpng'
Use 'conan search <reference> --table table.html'
Or read 'http://docs.conan.io/en/latest/faq/troubleshooting.html#error-missing-prebuilt-package'