********************************************************************************
conan install wayland/1.18.0@ --profile=/home/conan/w/BuildSingleReference/6694/11d1d518-5142-4a43-b591-83728a866b7f/profile.txt --build=wayland
********************************************************************************
Configuration:
[settings]
arch=x86_64
arch_build=x86_64
build_type=Release
compiler=clang
compiler.libcxx=libstdc++
compiler.version=11
os=Linux
os_build=Linux
[options]
wayland:shared=False
[build_requires]
[env]

wayland/1.18.0: Forced build from source
Installing package: wayland/1.18.0
Requirements
    expat/2.2.10 from 'conan-center' - Cache
    libffi/3.3 from 'conan-center' - Cache
    libiconv/1.16 from 'conan-center' - Cache
    libxml2/2.9.10 from 'conan-center' - Cache
    wayland/1.18.0 from 'conan-upstream' - Cache
    zlib/1.2.11 from 'conan-center' - Cache
Packages
    expat/2.2.10:d988447fa516eac7400b2f34e2d4b89e42b4b1a8 - Cache
    libffi/3.3:d988447fa516eac7400b2f34e2d4b89e42b4b1a8 - Cache
    libiconv/1.16:d988447fa516eac7400b2f34e2d4b89e42b4b1a8 - Cache
    libxml2/2.9.10:6ecc346fafcd84dabd5885a68efb88069c7b2f2d - Cache
    wayland/1.18.0:3f9e6202a30b32c6edda3400a3696acb7bc49879 - Build
    zlib/1.2.11:d988447fa516eac7400b2f34e2d4b89e42b4b1a8 - Cache
Build requirements
    meson/0.54.2 from 'conan-center' - Cache
    ninja/1.10.2 from 'conan-center' - Cache
Build requirements packages
    meson/0.54.2:5ab84d6acfe1f23c4fae0ab88f26e3a396351ac9 - Cache
    ninja/1.10.2:24647d9fe8ec489125dfbae4b3ebefaf7581674c - Cache

Installing (downloading, building) binaries...
expat/2.2.10: Already installed!
[HOOK - conan-center.py] post_package_info(): [CMAKE FILE NOT IN BUILD FOLDERS (KB-H019)] OK
libffi/3.3: Already installed!
[HOOK - conan-center.py] post_package_info(): [CMAKE FILE NOT IN BUILD FOLDERS (KB-H019)] OK
libiconv/1.16: Already installed!
libiconv/1.16: Appending PATH environment var: /home/conan/w/BuildSingleReference/.conan/data/libiconv/1.16/_/_/package/d988447fa516eac7400b2f34e2d4b89e42b4b1a8/bin
[HOOK - conan-center.py] post_package_info(): [CMAKE FILE NOT IN BUILD FOLDERS (KB-H019)] OK
ninja/1.10.2: Already installed!
[HOOK - conan-center.py] post_package_info(): [CMAKE FILE NOT IN BUILD FOLDERS (KB-H019)] OK
zlib/1.2.11: Already installed!
[HOOK - conan-center.py] post_package_info(): [CMAKE FILE NOT IN BUILD FOLDERS (KB-H019)] OK
libxml2/2.9.10: Already installed!
libxml2/2.9.10: Appending PATH environment variable: /home/conan/w/BuildSingleReference/.conan/data/libxml2/2.9.10/_/_/package/6ecc346fafcd84dabd5885a68efb88069c7b2f2d/bin
[HOOK - conan-center.py] post_package_info(): [CMAKE FILE NOT IN BUILD FOLDERS (KB-H019)] OK
meson/0.54.2: Already installed!
meson/0.54.2: Appending PATH environment variable: /home/conan/w/BuildSingleReference/.conan/data/meson/0.54.2/_/_/package/5ab84d6acfe1f23c4fae0ab88f26e3a396351ac9/bin
[HOOK - conan-center.py] post_package_info(): [CMAKE FILE NOT IN BUILD FOLDERS (KB-H019)] OK
wayland/1.18.0: Applying build-requirement: meson/0.54.2
wayland/1.18.0: Applying build-requirement: ninja/1.10.2
wayland/1.18.0: Copying sources to build folder
wayland/1.18.0: Building your package in /home/conan/w/BuildSingleReference/.conan/data/wayland/1.18.0/_/_/build/3f9e6202a30b32c6edda3400a3696acb7bc49879
wayland/1.18.0: Generator pkg_config created meson.pc
wayland/1.18.0: Generator pkg_config created libffi.pc
wayland/1.18.0: Generator pkg_config created libxml-2.0.pc
wayland/1.18.0: Generator pkg_config created expat.pc
wayland/1.18.0: Generator pkg_config created ninja.pc
wayland/1.18.0: Generator pkg_config created zlib.pc
wayland/1.18.0: Generator pkg_config created libiconv.pc
[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
wayland/1.18.0: Calling build()

----Running------
> meson "/home/conan/w/BuildSingleReference/.conan/data/wayland/1.18.0/_/_/build/3f9e6202a30b32c6edda3400a3696acb7bc49879/source_subfolder" "/home/conan/w/BuildSingleReference/.conan/data/wayland/1.18.0/_/_/build/3f9e6202a30b32c6edda3400a3696acb7bc49879/build_subfolder" --backend=ninja -Dprefix="/home/conan/w/BuildSingleReference/.conan/data/wayland/1.18.0/_/_/package/3f9e6202a30b32c6edda3400a3696acb7bc49879" -Dlibdir="lib" -Dbindir="bin" -Dsbindir="bin" -Dlibexecdir="bin" -Dincludedir="include" -Ddefault_library="static" -Db_staticpic="true" -Dlibraries="true" -Ddtd_validation="true" -Ddocumentation="false" '--datadir=/home/conan/w/BuildSingleReference/.conan/data/wayland/1.18.0/_/_/package/3f9e6202a30b32c6edda3400a3696acb7bc49879/res' --buildtype=release
-----------------
The Meson build system
Version: 0.54.2
Source dir: /home/conan/w/BuildSingleReference/.conan/data/wayland/1.18.0/_/_/build/3f9e6202a30b32c6edda3400a3696acb7bc49879/source_subfolder
Build dir: /home/conan/w/BuildSingleReference/.conan/data/wayland/1.18.0/_/_/build/3f9e6202a30b32c6edda3400a3696acb7bc49879/build_subfolder
Build type: native build
Using 'PKG_CONFIG_PATH' from environment with value: '/home/conan/w/BuildSingleReference/.conan/data/wayland/1.18.0/_/_/build/3f9e6202a30b32c6edda3400a3696acb7bc49879'
Using 'PKG_CONFIG_PATH' from environment with value: '/home/conan/w/BuildSingleReference/.conan/data/wayland/1.18.0/_/_/build/3f9e6202a30b32c6edda3400a3696acb7bc49879'
Project name: wayland
Project version: 1.18.0
Using 'CC' from environment with value: 'clang'
Using 'CFLAGS' from environment with value: '-m64 -O3 -fPIC'
Using 'LDFLAGS' from environment with value: '-m64 -L/home/conan/w/BuildSingleReference/.conan/data/libffi/3.3/_/_/package/d988447fa516eac7400b2f34e2d4b89e42b4b1a8/lib -L/home/conan/w/BuildSingleReference/.conan/data/libxml2/2.9.10/_/_/package/6ecc346fafcd84dabd5885a68efb88069c7b2f2d/lib -L/home/conan/w/BuildSingleReference/.conan/data/expat/2.2.10/_/_/package/d988447fa516eac7400b2f34e2d4b89e42b4b1a8/lib -L/home/conan/w/BuildSingleReference/.conan/data/zlib/1.2.11/_/_/package/d988447fa516eac7400b2f34e2d4b89e42b4b1a8/lib -L/home/conan/w/BuildSingleReference/.conan/data/libiconv/1.16/_/_/package/d988447fa516eac7400b2f34e2d4b89e42b4b1a8/lib'
Using 'CPPFLAGS' from environment with value: '-I/home/conan/w/BuildSingleReference/.conan/data/libffi/3.3/_/_/package/d988447fa516eac7400b2f34e2d4b89e42b4b1a8/include -I/home/conan/w/BuildSingleReference/.conan/data/libxml2/2.9.10/_/_/package/6ecc346fafcd84dabd5885a68efb88069c7b2f2d/include -I/home/conan/w/BuildSingleReference/.conan/data/libxml2/2.9.10/_/_/package/6ecc346fafcd84dabd5885a68efb88069c7b2f2d/include/libxml2 -I/home/conan/w/BuildSingleReference/.conan/data/expat/2.2.10/_/_/package/d988447fa516eac7400b2f34e2d4b89e42b4b1a8/include -I/home/conan/w/BuildSingleReference/.conan/data/zlib/1.2.11/_/_/package/d988447fa516eac7400b2f34e2d4b89e42b4b1a8/include -I/home/conan/w/BuildSingleReference/.conan/data/libiconv/1.16/_/_/package/d988447fa516eac7400b2f34e2d4b89e42b4b1a8/include -DXML_STATIC -DLIBXML_STATIC -DFFI_BUILDING -DNDEBUG'
Using 'CXX' from environment with value: 'clang++'
Using 'CXXFLAGS' from environment with value: '-m64 -O3 -fPIC'
Using 'LDFLAGS' from environment with value: '-m64 -L/home/conan/w/BuildSingleReference/.conan/data/libffi/3.3/_/_/package/d988447fa516eac7400b2f34e2d4b89e42b4b1a8/lib -L/home/conan/w/BuildSingleReference/.conan/data/libxml2/2.9.10/_/_/package/6ecc346fafcd84dabd5885a68efb88069c7b2f2d/lib -L/home/conan/w/BuildSingleReference/.conan/data/expat/2.2.10/_/_/package/d988447fa516eac7400b2f34e2d4b89e42b4b1a8/lib -L/home/conan/w/BuildSingleReference/.conan/data/zlib/1.2.11/_/_/package/d988447fa516eac7400b2f34e2d4b89e42b4b1a8/lib -L/home/conan/w/BuildSingleReference/.conan/data/libiconv/1.16/_/_/package/d988447fa516eac7400b2f34e2d4b89e42b4b1a8/lib'
Using 'CPPFLAGS' from environment with value: '-I/home/conan/w/BuildSingleReference/.conan/data/libffi/3.3/_/_/package/d988447fa516eac7400b2f34e2d4b89e42b4b1a8/include -I/home/conan/w/BuildSingleReference/.conan/data/libxml2/2.9.10/_/_/package/6ecc346fafcd84dabd5885a68efb88069c7b2f2d/include -I/home/conan/w/BuildSingleReference/.conan/data/libxml2/2.9.10/_/_/package/6ecc346fafcd84dabd5885a68efb88069c7b2f2d/include/libxml2 -I/home/conan/w/BuildSingleReference/.conan/data/expat/2.2.10/_/_/package/d988447fa516eac7400b2f34e2d4b89e42b4b1a8/include -I/home/conan/w/BuildSingleReference/.conan/data/zlib/1.2.11/_/_/package/d988447fa516eac7400b2f34e2d4b89e42b4b1a8/include -I/home/conan/w/BuildSingleReference/.conan/data/libiconv/1.16/_/_/package/d988447fa516eac7400b2f34e2d4b89e42b4b1a8/include -DXML_STATIC -DLIBXML_STATIC -DFFI_BUILDING -DNDEBUG'
Using 'CC' from environment with value: 'clang'
Using 'CFLAGS' from environment with value: '-m64 -O3 -fPIC'
Using 'LDFLAGS' from environment with value: '-m64 -L/home/conan/w/BuildSingleReference/.conan/data/libffi/3.3/_/_/package/d988447fa516eac7400b2f34e2d4b89e42b4b1a8/lib -L/home/conan/w/BuildSingleReference/.conan/data/libxml2/2.9.10/_/_/package/6ecc346fafcd84dabd5885a68efb88069c7b2f2d/lib -L/home/conan/w/BuildSingleReference/.conan/data/expat/2.2.10/_/_/package/d988447fa516eac7400b2f34e2d4b89e42b4b1a8/lib -L/home/conan/w/BuildSingleReference/.conan/data/zlib/1.2.11/_/_/package/d988447fa516eac7400b2f34e2d4b89e42b4b1a8/lib -L/home/conan/w/BuildSingleReference/.conan/data/libiconv/1.16/_/_/package/d988447fa516eac7400b2f34e2d4b89e42b4b1a8/lib'
Using 'CPPFLAGS' from environment with value: '-I/home/conan/w/BuildSingleReference/.conan/data/libffi/3.3/_/_/package/d988447fa516eac7400b2f34e2d4b89e42b4b1a8/include -I/home/conan/w/BuildSingleReference/.conan/data/libxml2/2.9.10/_/_/package/6ecc346fafcd84dabd5885a68efb88069c7b2f2d/include -I/home/conan/w/BuildSingleReference/.conan/data/libxml2/2.9.10/_/_/package/6ecc346fafcd84dabd5885a68efb88069c7b2f2d/include/libxml2 -I/home/conan/w/BuildSingleReference/.conan/data/expat/2.2.10/_/_/package/d988447fa516eac7400b2f34e2d4b89e42b4b1a8/include -I/home/conan/w/BuildSingleReference/.conan/data/zlib/1.2.11/_/_/package/d988447fa516eac7400b2f34e2d4b89e42b4b1a8/include -I/home/conan/w/BuildSingleReference/.conan/data/libiconv/1.16/_/_/package/d988447fa516eac7400b2f34e2d4b89e42b4b1a8/include -DXML_STATIC -DLIBXML_STATIC -DFFI_BUILDING -DNDEBUG'
C compiler for the host machine: clang (clang 11.0.1 "Ubuntu clang version 11.0.1-++20201218093139+43ff75f2c3fe-1~exp1~20201218203800.157")
C linker for the host machine: clang ld.bfd 2.30
Using 'CXX' from environment with value: 'clang++'
Using 'CXXFLAGS' from environment with value: '-m64 -O3 -fPIC'
Using 'LDFLAGS' from environment with value: '-m64 -L/home/conan/w/BuildSingleReference/.conan/data/libffi/3.3/_/_/package/d988447fa516eac7400b2f34e2d4b89e42b4b1a8/lib -L/home/conan/w/BuildSingleReference/.conan/data/libxml2/2.9.10/_/_/package/6ecc346fafcd84dabd5885a68efb88069c7b2f2d/lib -L/home/conan/w/BuildSingleReference/.conan/data/expat/2.2.10/_/_/package/d988447fa516eac7400b2f34e2d4b89e42b4b1a8/lib -L/home/conan/w/BuildSingleReference/.conan/data/zlib/1.2.11/_/_/package/d988447fa516eac7400b2f34e2d4b89e42b4b1a8/lib -L/home/conan/w/BuildSingleReference/.conan/data/libiconv/1.16/_/_/package/d988447fa516eac7400b2f34e2d4b89e42b4b1a8/lib'
Using 'CPPFLAGS' from environment with value: '-I/home/conan/w/BuildSingleReference/.conan/data/libffi/3.3/_/_/package/d988447fa516eac7400b2f34e2d4b89e42b4b1a8/include -I/home/conan/w/BuildSingleReference/.conan/data/libxml2/2.9.10/_/_/package/6ecc346fafcd84dabd5885a68efb88069c7b2f2d/include -I/home/conan/w/BuildSingleReference/.conan/data/libxml2/2.9.10/_/_/package/6ecc346fafcd84dabd5885a68efb88069c7b2f2d/include/libxml2 -I/home/conan/w/BuildSingleReference/.conan/data/expat/2.2.10/_/_/package/d988447fa516eac7400b2f34e2d4b89e42b4b1a8/include -I/home/conan/w/BuildSingleReference/.conan/data/zlib/1.2.11/_/_/package/d988447fa516eac7400b2f34e2d4b89e42b4b1a8/include -I/home/conan/w/BuildSingleReference/.conan/data/libiconv/1.16/_/_/package/d988447fa516eac7400b2f34e2d4b89e42b4b1a8/include -DXML_STATIC -DLIBXML_STATIC -DFFI_BUILDING -DNDEBUG'
C++ compiler for the host machine: clang++ (clang 11.0.1 "Ubuntu clang version 11.0.1-++20201218093139+43ff75f2c3fe-1~exp1~20201218203800.157")
C++ linker for the host machine: clang++ ld.bfd 2.30
Host machine cpu family: x86_64
Host machine cpu: x86_64
Compiler for C supports arguments -Wno-unused-parameter: YES 
Compiler for C supports arguments -Wstrict-prototypes: YES 
Compiler for C supports arguments -Wmissing-prototypes: YES 
Compiler for C supports arguments -fvisibility=hidden: YES 
Has header "sys/prctl.h" : YES 
Checking for function "accept4" : YES 
Checking for function "mkostemp" : YES 
Checking for function "posix_fallocate" : YES 
Checking for function "prctl" : YES 
Checking for function "memfd_create" : YES 
Checking for function "strndup" : YES 
Did not find pkg-config by name 'pkg-config'
Found Pkg-config: NO
Found CMake: /opt/pyenv/versions/3.8.2/bin/cmake (3.18.2)
Run-time dependency libffi found: NO (tried cmake)

source_subfolder/meson.build:46:1: ERROR: Pkg-config binary for machine MachineChoice.HOST not found. Giving up.

A full log can be found at /home/conan/w/BuildSingleReference/.conan/data/wayland/1.18.0/_/_/build/3f9e6202a30b32c6edda3400a3696acb7bc49879/build_subfolder/meson-logs/meson-log.txt
wayland/1.18.0: 
wayland/1.18.0: WARN: Build folder is dirty, removing it: /home/conan/w/BuildSingleReference/.conan/data/wayland/1.18.0/_/_/build/3f9e6202a30b32c6edda3400a3696acb7bc49879
wayland/1.18.0: ERROR: Package '3f9e6202a30b32c6edda3400a3696acb7bc49879' build failed
wayland/1.18.0: WARN: Build folder /home/conan/w/BuildSingleReference/.conan/data/wayland/1.18.0/_/_/build/3f9e6202a30b32c6edda3400a3696acb7bc49879
ERROR: wayland/1.18.0: Error in build() method, line 72
	meson = self._configure_meson()
while calling '_configure_meson', line 63
	self._meson.configure(source_folder= self._source_subfolder, build_folder=self._build_subfolder, defs={
	ConanException: Error 1 while executing meson "/home/conan/w/BuildSingleReference/.conan/data/wayland/1.18.0/_/_/build/3f9e6202a30b32c6edda3400a3696acb7bc49879/source_subfolder" "/home/conan/w/BuildSingleReference/.conan/data/wayland/1.18.0/_/_/build/3f9e6202a30b32c6edda3400a3696acb7bc49879/build_subfolder" --backend=ninja -Dprefix="/home/conan/w/BuildSingleReference/.conan/data/wayland/1.18.0/_/_/package/3f9e6202a30b32c6edda3400a3696acb7bc49879" -Dlibdir="lib" -Dbindir="bin" -Dsbindir="bin" -Dlibexecdir="bin" -Dincludedir="include" -Ddefault_library="static" -Db_staticpic="true" -Dlibraries="true" -Ddtd_validation="true" -Ddocumentation="false" '--datadir=/home/conan/w/BuildSingleReference/.conan/data/wayland/1.18.0/_/_/package/3f9e6202a30b32c6edda3400a3696acb7bc49879/res' --buildtype=release