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conan install raylib/3.5.0@ --profile=/home/conan/w/BuildSingleReference/1991/6a387baf-1c9a-441e-9b78-16e1a12b33f3/profile.txt --build=raylib
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Configuration:
[settings]
arch=x86_64
arch_build=x86_64
build_type=Debug
compiler=clang
compiler.libcxx=libstdc++
compiler.version=10
os=Linux
os_build=Linux
[options]
raylib:shared=False
[build_requires]
[env]

raylib/3.5.0: Forced build from source
Installing package: raylib/3.5.0
Requirements
    opengl/system from 'conan-center' - Cache
    raylib/3.5.0 from local cache - Cache
    xorg/system from 'conan-center' - Cache
Packages
    opengl/system:5ab84d6acfe1f23c4fae0ab88f26e3a396351ac9 - Cache
    raylib/3.5.0:6241b3d9b528116a29cfdacb76606de4d0ef3413 - Build
    xorg/system:5ab84d6acfe1f23c4fae0ab88f26e3a396351ac9 - Cache

Installing (downloading, building) binaries...
opengl/system: Already installed!
ERROR: opengl/system: Error in package_info() method, line 80
	self._fill_cppinfo_from_pkgconfig('gl')
while calling '_fill_cppinfo_from_pkgconfig', line 20
	if not pkg_config.provides:
	ConanException: pkg-config command ['pkg-config', '--print-provides', 'gl', '--print-errors'] failed with error: Command 'pkg-config --print-provides gl --print-errors' returned non-zero exit status 127.
/bin/sh: 1: pkg-config: not found