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conan install libepoxy/1.5.5@ --profile=/home/conan/w/BuildSingleReference/1755/9dbcf663-9301-4a70-82ba-4afd9889c12e/profile.txt --build=libepoxy
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Configuration:
[settings]
arch=x86_64
arch_build=x86_64
build_type=Debug
compiler=clang
compiler.libcxx=libstdc++
compiler.version=11
os=Linux
os_build=Linux
[options]
libepoxy:shared=False
[build_requires]
[env]

libepoxy/1.5.5: Forced build from source
Installing package: libepoxy/1.5.5
Requirements
    egl/system from 'conan-center' - Cache
    libepoxy/1.5.5 from 'conan-upstream' - Cache
    opengl/system from 'conan-center' - Cache
    xorg/system from 'conan-center' - Cache
Packages
    egl/system:5ab84d6acfe1f23c4fae0ab88f26e3a396351ac9 - Cache
    libepoxy/1.5.5:6bd8548e63829b7fccdcec1f2ed2b723d6ac5bfb - Build
    opengl/system:5ab84d6acfe1f23c4fae0ab88f26e3a396351ac9 - Cache
    xorg/system:5ab84d6acfe1f23c4fae0ab88f26e3a396351ac9 - Cache
Build requirements
    meson/0.54.2 from 'conan-center' - Cache
    ninja/1.10.1 from 'conan-center' - Cache
Build requirements packages
    meson/0.54.2:5ab84d6acfe1f23c4fae0ab88f26e3a396351ac9 - Cache
    ninja/1.10.1:cc9f9b2b9f92fc82888026414560bf79d8c3a052 - Cache

Installing (downloading, building) binaries...
egl/system: Already installed!
ERROR: egl/system: Error in package_info() method, line 75
	self._fill_cppinfo_from_pkgconfig('egl')
while calling '_fill_cppinfo_from_pkgconfig', line 24
	if not pkg_config.provides:
	ConanException: pkg-config command ['pkg-config', '--print-provides', 'egl', '--print-errors'] failed with error: Command 'pkg-config --print-provides egl --print-errors' returned non-zero exit status 127.
/bin/sh: 1: pkg-config: not found