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conan install pkgconf/1.7.4@ --profile=C:\J\w\BuildSingleReference@5/10074/f9e6483d-5745-42b4-8806-2d47fc7d3c4e/profile.txt --build=pkgconf
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Configuration:
[settings]
arch=x86_64
arch_build=x86_64
build_type=Debug
compiler=Visual Studio
compiler.runtime=MTd
compiler.version=16
os=Windows
os_build=Windows
[options]
pkgconf:shared=False
[build_requires]
[env]

pkgconf/1.7.4: Forced build from source
Installing package: pkgconf/1.7.4
Requirements
    pkgconf/1.7.4 from local cache - Cache
Packages
    pkgconf/1.7.4:b2b69efcc79a149e0bc765fb12ba0278d52fc260 - Build
Build requirements
    meson/0.57.2 from 'conan-center' - Cache
    ninja/1.10.2 from 'conan-center' - Cache
Build requirements packages
    meson/0.57.2:5ab84d6acfe1f23c4fae0ab88f26e3a396351ac9 - Cache
    ninja/1.10.2:01edd76db8e16db9b38c3cca44ec466a9444c388 - Cache

Installing (downloading, building) binaries...
ninja/1.10.2: 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
meson/0.57.2: Already installed!
meson/0.57.2: Appending PATH environment variable: C:\J\w\BuildSingleReference@5\.conan\data\meson\0.57.2\_\_\package\5ab84d6acfe1f23c4fae0ab88f26e3a396351ac9\bin
[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
pkgconf/1.7.4: Applying build-requirement: meson/0.57.2
pkgconf/1.7.4: Applying build-requirement: ninja/1.10.2
pkgconf/1.7.4: Copying sources to build folder
pkgconf/1.7.4: Building your package in C:\J\w\BuildSingleReference@5\.conan\data\pkgconf\1.7.4\_\_\build\b2b69efcc79a149e0bc765fb12ba0278d52fc260
pkgconf/1.7.4: Generator txt created conanbuildinfo.txt
[HOOK - conan-center.py] pre_build(): [FPIC MANAGEMENT (KB-H007)] 'fPIC' option not found
[HOOK - conan-center.py] pre_build(): [FPIC MANAGEMENT (KB-H007)] OK
pkgconf/1.7.4: Calling build()
pkgconf/1.7.4: 
ninja/1.10.2: WARN: Lib folder doesn't exist, can't collect libraries: C:\J\w\BuildSingleReference@5\.conan\data\ninja\1.10.2\_\_\package\01edd76db8e16db9b38c3cca44ec466a9444c388\lib
[HOOK - conan-center.py] post_package_info(): WARN: [LIBRARY DOES NOT EXIST (KB-H054)] Component ninja::ninja libdir "lib" does not contain any library
[HOOK - conan-center.py] post_package_info(): WARN: [LIBRARY DOES NOT EXIST (KB-H054)] Component ninja::ninja libdir "lib" does not contain any declared library
meson/0.57.2: WARN: Lib folder doesn't exist, can't collect libraries: C:\J\w\BuildSingleReference@5\.conan\data\meson\0.57.2\_\_\package\5ab84d6acfe1f23c4fae0ab88f26e3a396351ac9\lib
[HOOK - conan-center.py] post_package_info(): WARN: [LIBRARY DOES NOT EXIST (KB-H054)] Component meson::meson libdir "lib" does not contain any declared library
pkgconf/1.7.4: WARN: Build folder is dirty, removing it: C:\J\w\BuildSingleReference@5\.conan\data\pkgconf\1.7.4\_\_\build\b2b69efcc79a149e0bc765fb12ba0278d52fc260
pkgconf/1.7.4: ERROR: Package 'b2b69efcc79a149e0bc765fb12ba0278d52fc260' build failed
pkgconf/1.7.4: WARN: Build folder C:\J\w\BuildSingleReference@5\.conan\data\pkgconf\1.7.4\_\_\build\b2b69efcc79a149e0bc765fb12ba0278d52fc260
ERROR: pkgconf/1.7.4: Error in build() method, line 76
	self._patch_sources()
while calling '_patch_sources', line 66
	for patch in self.conan_data["patches"][self.version]:
	KeyError: 'patches'