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conan install libffi/3.3@#2b19e89a80f83fde0112fa5ac7067a79 --build=libffi -pr C:\J\w\prod\BuildSingleReference@3\129170\a8df3cb4-0705-49b2-9907-aaa0e77d1c3e/profile_windows_15_mt_vs_release_64.libffi-shared-False.txt -c tools.system.package_manager:mode=install -c tools.system.package_manager:sudo=True
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Auto detecting your dev setup to initialize the default profile (C:\J\w\prod\BuildSingleReference@3\.conan\profiles\default)
Found Visual Studio 17
Default settings
	os=Windows
	os_build=Windows
	arch=x86_64
	arch_build=x86_64
	compiler=Visual Studio
	compiler.version=17
	build_type=Release
*** You can change them in C:\J\w\prod\BuildSingleReference@3\.conan\profiles\default ***
*** Or override with -s compiler='other' -s ...s***


Configuration:
[settings]
arch=x86_64
build_type=Release
compiler=Visual Studio
compiler.runtime=MT
compiler.version=15
os=Windows
[options]
libffi:shared=False
[build_requires]
[env]
[conf]
tools.system.package_manager:mode=install
tools.system.package_manager:sudo=True

libffi/3.3: Forced build from source
msys2/cci.latest: Not found in local cache, looking in remotes...
msys2/cci.latest: Trying with 'conan-center'...
Downloading conanmanifest.txt
Downloading conanfile.py
Downloading conan_export.tgz
msys2/cci.latest: Downloaded recipe revision 9c795bdaac8d37a7ab2e0d6c5b4fcd96
automake/1.16.5: Not found in local cache, looking in remotes...
automake/1.16.5: Trying with 'conan-center'...
Downloading conanmanifest.txt
Downloading conanfile.py
Downloading conan_export.tgz
automake/1.16.5: Downloaded recipe revision 3fd8b734acc0986a1ee59f372f810410
autoconf/2.71: Not found in local cache, looking in remotes...
autoconf/2.71: Trying with 'conan-center'...
Downloading conanmanifest.txt
Downloading conanfile.py
Downloading conan_export.tgz
autoconf/2.71: Downloaded recipe revision 26514edc4aff5903f1ac1b22948288b6
m4/1.4.19: Not found in local cache, looking in remotes...
m4/1.4.19: Trying with 'conan-center'...
Downloading conanmanifest.txt
Downloading conanfile.py
Downloading conan_export.tgz
m4/1.4.19: Downloaded recipe revision 48f6ac19d885b7ce785ee9c24ad9e41b
Installing package: libffi/3.3
Requirements
    libffi/3.3 from local cache - Cache
Packages
    libffi/3.3:7bd6f2c3d5c4e48a75805376b58cde753392f711 - Build
Build requirements
    autoconf/2.71 from 'conan-center' - Downloaded
    automake/1.16.5 from 'conan-center' - Downloaded
    m4/1.4.19 from 'conan-center' - Downloaded
    msys2/cci.latest from 'conan-center' - Downloaded
Build requirements packages
    autoconf/2.71:5ab84d6acfe1f23c4fae0ab88f26e3a396351ac9 - Download
    automake/1.16.5:3e48e69237f7f2196164383ef9dedf0f93cbf249 - Download
    m4/1.4.19:0a420ff5c47119e668867cdb51baff0eca1fdb68 - Download
    msys2/cci.latest:eee3fba89db6d777329de604625af8c30d46f080 - Download

Installing (downloading, building) binaries...
m4/1.4.19: Retrieving package 0a420ff5c47119e668867cdb51baff0eca1fdb68 from remote 'conan-center' 
Downloading conanmanifest.txt
Downloading conaninfo.txt
Downloading conan_package.tgz
m4/1.4.19: Package installed 0a420ff5c47119e668867cdb51baff0eca1fdb68
m4/1.4.19: Downloaded package revision 8a6ff0b8291e3c73f84da437cf038c9e
msys2/cci.latest: Retrieving package eee3fba89db6d777329de604625af8c30d46f080 from remote 'conan-center' 
Downloading conanmanifest.txt
Downloading conaninfo.txt
Downloading conan_package.tgz
.msys2/cci.latest: Package installed eee3fba89db6d777329de604625af8c30d46f080
msys2/cci.latest: Downloaded package revision 79911a36167185a5ba9d653559f17ed3
autoconf/2.71: Retrieving package 5ab84d6acfe1f23c4fae0ab88f26e3a396351ac9 from remote 'conan-center' 
Downloading conanmanifest.txt
Downloading conaninfo.txt
Downloading conan_package.tgz
autoconf/2.71: Package installed 5ab84d6acfe1f23c4fae0ab88f26e3a396351ac9
autoconf/2.71: Downloaded package revision 4a39e37f7a41b87df26ca40794260c4b
automake/1.16.5: Retrieving package 3e48e69237f7f2196164383ef9dedf0f93cbf249 from remote 'conan-center' 
Downloading conanmanifest.txt
Downloading conaninfo.txt
Downloading conan_package.tgz
automake/1.16.5: Package installed 3e48e69237f7f2196164383ef9dedf0f93cbf249
automake/1.16.5: Downloaded package revision 2a69ff077743103f5c3f891d94b0da90
m4/1.4.19: Appending PATH environment variable: C:\J\w\prod\BuildSingleReference@3\.conan\data\m4\1.4.19\_\_\package\0a420ff5c47119e668867cdb51baff0eca1fdb68\bin
msys2/cci.latest: Creating MSYS_ROOT env var : C:\J\w\prod\BuildSingleReference@3/s\9fc206\1\bin\msys64
msys2/cci.latest: Creating MSYS_BIN env var : C:\J\w\prod\BuildSingleReference@3/s\9fc206\1\bin\msys64\usr\bin
msys2/cci.latest: Appending PATH env var with : C:\J\w\prod\BuildSingleReference@3/s\9fc206\1\bin\msys64\usr\bin
autoconf/2.71: Defining AC_MACRODIR environment variable: /c/j/w/prod/buildsinglereference@3/.conan/data/autoconf/2.71/_/_/package/5ab84d6acfe1f23c4fae0ab88f26e3a396351ac9/res/autoconf
autoconf/2.71: Defining AUTOM4TE_PERLLIBDIR environment variable: /c/j/w/prod/buildsinglereference@3/.conan/data/autoconf/2.71/_/_/package/5ab84d6acfe1f23c4fae0ab88f26e3a396351ac9/res/autoconf
autoconf/2.71: Defining AUTOCONF environment variable: /c/j/w/prod/buildsinglereference@3/.conan/data/autoconf/2.71/_/_/package/5ab84d6acfe1f23c4fae0ab88f26e3a396351ac9/bin/autoconf
autoconf/2.71: Defining AUTORECONF environment variable: /c/j/w/prod/buildsinglereference@3/.conan/data/autoconf/2.71/_/_/package/5ab84d6acfe1f23c4fae0ab88f26e3a396351ac9/bin/autoreconf
autoconf/2.71: Defining AUTOHEADER environment variable: /c/j/w/prod/buildsinglereference@3/.conan/data/autoconf/2.71/_/_/package/5ab84d6acfe1f23c4fae0ab88f26e3a396351ac9/bin/autoheader
autoconf/2.71: Defining AUTOM4TE environment variable: /c/j/w/prod/buildsinglereference@3/.conan/data/autoconf/2.71/_/_/package/5ab84d6acfe1f23c4fae0ab88f26e3a396351ac9/bin/autom4te
automake/1.16.5: Appending PATH environment variable:: C:\J\w\prod\BuildSingleReference@3\.conan\data\automake\1.16.5\_\_\package\3e48e69237f7f2196164383ef9dedf0f93cbf249\bin
automake/1.16.5: Appending ACLOCAL environment variable with: /c/j/w/prod/buildsinglereference@3/.conan/data/automake/1.16.5/_/_/package/3e48e69237f7f2196164383ef9dedf0f93cbf249/bin/aclocal.exe
automake/1.16.5: Setting AUTOMAKE_DATADIR to /c/j/w/prod/buildsinglereference@3/.conan/data/automake/1.16.5/_/_/package/3e48e69237f7f2196164383ef9dedf0f93cbf249/res
automake/1.16.5: Setting AUTOMAKE_LIBDIR to /c/j/w/prod/buildsinglereference@3/.conan/data/automake/1.16.5/_/_/package/3e48e69237f7f2196164383ef9dedf0f93cbf249/res/automake-1.16
automake/1.16.5: Setting AUTOMAKE_PERLLIBDIR to /c/j/w/prod/buildsinglereference@3/.conan/data/automake/1.16.5/_/_/package/3e48e69237f7f2196164383ef9dedf0f93cbf249/res/automake-1.16
automake/1.16.5: Setting AUTOMAKE to /c/j/w/prod/buildsinglereference@3/.conan/data/automake/1.16.5/_/_/package/3e48e69237f7f2196164383ef9dedf0f93cbf249/bin/automake.exe
automake/1.16.5: Append M4 include directories to AUTOMAKE_CONAN_INCLUDES environment variable
libffi/3.3: Applying build-requirement: msys2/cci.latest
libffi/3.3: Applying build-requirement: automake/1.16.5
libffi/3.3: Applying build-requirement: autoconf/2.71
libffi/3.3: Applying build-requirement: m4/1.4.19
[HOOK - conan-center.py] pre_source(): [IMMUTABLE SOURCES (KB-H010)] OK
libffi/3.3: Configuring sources in C:\J\w\prod\BuildSingleReference@3\.conan\data\libffi\3.3\_\_\source\src
libffi/3.3: 
[HOOK - conan-center.py] post_source(): [LIBCXX MANAGEMENT (KB-H011)] OK
[HOOK - conan-center.py] post_source(): [CPPSTD MANAGEMENT (KB-H022)] OK
[HOOK - conan-center.py] post_source(): [SHORT_PATHS USAGE (KB-H066)] OK
libffi/3.3: Copying sources to build folder
libffi/3.3: Building your package in C:\J\w\prod\BuildSingleReference@3\.conan\data\libffi\3.3\_\_\build\7bd6f2c3d5c4e48a75805376b58cde753392f711
libffi/3.3: Generator txt created conanbuildinfo.txt
libffi/3.3: Calling generate()
libffi/3.3: WARN: Using the new toolchains and generators without specifying a build profile (e.g: -pr:b=default) is discouraged and might cause failures and unexpected behavior
ERROR: libffi/3.3: Error in generate() method, line 135
	env.define("AR", f"{unix_path(self, self.conf.get('user.automake:ar-lib'))}")
	TypeError: stat: path should be string, bytes, os.PathLike or integer, not NoneType