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conan install ruby/3.1.0@ --build=ruby --profile=C:\J\w\BuildSingleReference@3/71217/e54e30ea-d2d7-4d63-aff3-b66e1a0b5437/profile.txt
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Configuration:
[settings]
arch=x86_64
build_type=Release
compiler=Visual Studio
compiler.runtime=MT
compiler.version=15
os=Windows
[options]
ruby:shared=False
[build_requires]
[env]

ruby/3.1.0: Forced build from source
Installing package: ruby/3.1.0
Requirements
    gmp/6.1.2 from 'conan-center' - Cache
    openssl/1.1.1m from 'conan-center' - Cache
    ruby/3.1.0 from local cache - Cache
    zlib/1.2.11 from 'conan-center' - Cache
Packages
    gmp/6.1.2:e0b905175ffe317adca2338532e1ff66820bee9c - Cache
    openssl/1.1.1m:7bd6f2c3d5c4e48a75805376b58cde753392f711 - Cache
    ruby/3.1.0:4ac0dd9c2b7e8b863bb8e9d7abb8162a9d33801e - Build
    zlib/1.2.11:7bd6f2c3d5c4e48a75805376b58cde753392f711 - Cache
Build requirements
    autoconf/2.71 from 'conan-center' - Cache
    automake/1.16.4 from 'conan-center' - Cache
    libtool/2.4.6 from 'conan-center' - Cache
    m4/1.4.19 from 'conan-center' - Cache
Build requirements packages
    autoconf/2.71:5ab84d6acfe1f23c4fae0ab88f26e3a396351ac9 - Cache
    automake/1.16.4:3e48e69237f7f2196164383ef9dedf0f93cbf249 - Cache
    libtool/2.4.6:df56c2b4f8e488bbd25eedb52fba643c7d59c97f - Cache
    m4/1.4.19:0a420ff5c47119e668867cdb51baff0eca1fdb68 - Cache

Installing (downloading, building) binaries...
gmp/6.1.2: 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
m4/1.4.19: Already installed!
m4/1.4.19: Appending PATH environment variable: C:\J\w\BuildSingleReference@3\.conan\data\m4\1.4.19\_\_\package\0a420ff5c47119e668867cdb51baff0eca1fdb68\bin
m4/1.4.19: Setting M4 environment variable: C:/J/w/BuildSingleReference@3/.conan/data/m4/1.4.19/_/_/package/0a420ff5c47119e668867cdb51baff0eca1fdb68/bin/m4.exe
[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
openssl/1.1.1m: 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
zlib/1.2.11: 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
autoconf/2.71: Already installed!
autoconf/2.71: Appending PATH env var with : C:\J\w\BuildSingleReference@3\.conan\data\autoconf\2.71\_\_\package\5ab84d6acfe1f23c4fae0ab88f26e3a396351ac9\bin
autoconf/2.71: Setting AC_MACRODIR to C:\J\w\BuildSingleReference@3\.conan\data\autoconf\2.71\_\_\package\5ab84d6acfe1f23c4fae0ab88f26e3a396351ac9\bin\share\autoconf
autoconf/2.71: Setting AUTOCONF to /c/j/w/buildsinglereference@3/.conan/data/autoconf/2.71/_/_/package/5ab84d6acfe1f23c4fae0ab88f26e3a396351ac9/bin/autoconf
autoconf/2.71: Setting AUTORECONF to /c/j/w/buildsinglereference@3/.conan/data/autoconf/2.71/_/_/package/5ab84d6acfe1f23c4fae0ab88f26e3a396351ac9/bin/autoreconf
autoconf/2.71: Setting AUTOHEADER to /c/j/w/buildsinglereference@3/.conan/data/autoconf/2.71/_/_/package/5ab84d6acfe1f23c4fae0ab88f26e3a396351ac9/bin/autoheader
autoconf/2.71: Setting AUTOM4TE to /c/j/w/buildsinglereference@3/.conan/data/autoconf/2.71/_/_/package/5ab84d6acfe1f23c4fae0ab88f26e3a396351ac9/bin/autom4te
autoconf/2.71: Setting AUTOM4TE_PERLLIBDIR to C:\J\w\BuildSingleReference@3\.conan\data\autoconf\2.71\_\_\package\5ab84d6acfe1f23c4fae0ab88f26e3a396351ac9\bin\share\autoconf
[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
automake/1.16.4: Already installed!
automake/1.16.4: Appending PATH environment variable:: C:\J\w\BuildSingleReference@3\.conan\data\automake\1.16.4\_\_\package\3e48e69237f7f2196164383ef9dedf0f93cbf249\bin
automake/1.16.4: Appending ACLOCAL environment variable with: /c/j/w/buildsinglereference@3/.conan/data/automake/1.16.4/_/_/package/3e48e69237f7f2196164383ef9dedf0f93cbf249/bin/aclocal.exe
automake/1.16.4: Setting AUTOMAKE_DATADIR to /c/j/w/buildsinglereference@3/.conan/data/automake/1.16.4/_/_/package/3e48e69237f7f2196164383ef9dedf0f93cbf249/res
automake/1.16.4: Setting AUTOMAKE_LIBDIR to /c/j/w/buildsinglereference@3/.conan/data/automake/1.16.4/_/_/package/3e48e69237f7f2196164383ef9dedf0f93cbf249/res/automake-1.16
automake/1.16.4: Setting AUTOMAKE_PERLLIBDIR to /c/j/w/buildsinglereference@3/.conan/data/automake/1.16.4/_/_/package/3e48e69237f7f2196164383ef9dedf0f93cbf249/res/automake-1.16
automake/1.16.4: Setting AUTOMAKE to /c/j/w/buildsinglereference@3/.conan/data/automake/1.16.4/_/_/package/3e48e69237f7f2196164383ef9dedf0f93cbf249/bin/automake.exe
automake/1.16.4: Append M4 include directories to AUTOMAKE_CONAN_INCLUDES environment variable
[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
libtool/2.4.6: Already installed!
libtool/2.4.6: Appending PATH env: C:\J\w\BuildSingleReference@3\.conan\data\libtool\2.4.6\_\_\package\df56c2b4f8e488bbd25eedb52fba643c7d59c97f\bin
libtool/2.4.6: Setting LIBTOOLIZE env to /c/j/w/buildsinglereference@3/.conan/data/libtool/2.4.6/_/_/package/df56c2b4f8e488bbd25eedb52fba643c7d59c97f/bin/libtoolize.exe
libtool/2.4.6: Setting LIBTOOL_PREFIX environment variable to /c/j/w/buildsinglereference@3/.conan/data/libtool/2.4.6/_/_/package/df56c2b4f8e488bbd25eedb52fba643c7d59c97f
libtool/2.4.6: Setting LIBTOOL_DATADIR environment variable to /c/j/w/buildsinglereference@3/.conan/data/libtool/2.4.6/_/_/package/df56c2b4f8e488bbd25eedb52fba643c7d59c97f/res
libtool/2.4.6: Setting LIBTOOL_PKGAUXDIR environment variable to /c/j/w/buildsinglereference@3/.conan/data/libtool/2.4.6/_/_/package/df56c2b4f8e488bbd25eedb52fba643c7d59c97f/res/libtool/build-aux
libtool/2.4.6: Setting LIBTOOL_PKGLTDLDIR environment variable to /c/j/w/buildsinglereference@3/.conan/data/libtool/2.4.6/_/_/package/df56c2b4f8e488bbd25eedb52fba643c7d59c97f/res/libtool
libtool/2.4.6: Setting LIBTOOL_ACLOCALDIR environment variable to /c/j/w/buildsinglereference@3/.conan/data/libtool/2.4.6/_/_/package/df56c2b4f8e488bbd25eedb52fba643c7d59c97f/res/aclocal
libtool/2.4.6: Appending ACLOCAL_PATH env: /c/j/w/buildsinglereference@3/.conan/data/libtool/2.4.6/_/_/package/df56c2b4f8e488bbd25eedb52fba643c7d59c97f/res/aclocal
libtool/2.4.6: Appending AUTOMAKE_CONAN_INCLUDES environment variable: /c/j/w/buildsinglereference@3/.conan/data/libtool/2.4.6/_/_/package/df56c2b4f8e488bbd25eedb52fba643c7d59c97f/res/aclocal
[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
ruby/3.1.0: Applying build-requirement: libtool/2.4.6
ruby/3.1.0: Applying build-requirement: automake/1.16.4
ruby/3.1.0: Applying build-requirement: autoconf/2.71
ruby/3.1.0: Applying build-requirement: m4/1.4.19
ruby/3.1.0: Copying sources to build folder
ruby/3.1.0: Building your package in C:\J\w\BuildSingleReference@3\.conan\data\ruby\3.1.0\_\_\build\4ac0dd9c2b7e8b863bb8e9d7abb8162a9d33801e
ruby/3.1.0: Generator txt created conanbuildinfo.txt
ruby/3.1.0: Calling generate()
ruby/3.1.0: Aggregating env generators
[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
ruby/3.1.0: Calling build()
ruby/3.1.0: 
autoconf/2.71: WARN: Lib folder doesn't exist, can't collect libraries: C:\J\w\BuildSingleReference@3\.conan\data\autoconf\2.71\_\_\package\5ab84d6acfe1f23c4fae0ab88f26e3a396351ac9\lib
ruby/3.1.0: WARN: Build folder is dirty, removing it: C:\J\w\BuildSingleReference@3\.conan\data\ruby\3.1.0\_\_\build\4ac0dd9c2b7e8b863bb8e9d7abb8162a9d33801e
ruby/3.1.0: 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
ruby/3.1.0: 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
ruby/3.1.0: ERROR: Package '4ac0dd9c2b7e8b863bb8e9d7abb8162a9d33801e' build failed
ruby/3.1.0: WARN: Build folder C:\J\w\BuildSingleReference@3\.conan\data\ruby\3.1.0\_\_\build\4ac0dd9c2b7e8b863bb8e9d7abb8162a9d33801e
ERROR: ruby/3.1.0: Error in build() method, line 86
	win_bash=tools.os_info.is_windows, run_environment=True, cwd=self._source_subfolder)
	ConanException: Cannot recognize the Windows subsystem, install MSYS2/cygwin or specify a build_require to apply it.