--- boost_1_77_0/tools/build/src/tools/python.jam.orig	2021-09-09 17:58:15.722392400 +0300
+++ boost_1_77_0/tools/build/src/tools/python.jam	2021-09-10 10:22:53.310231600 +0300
@@ -514,50 +514,9 @@ local rule compute-default-paths ( targe
 {
     exec-prefix ?= $(prefix) ;
 
-    if $(target-os) = windows
-    {
-        # The exec_prefix is where you're supposed to look for machine-specific
-        # libraries.
-        local default-library-path = $(exec-prefix)\\libs ;
-        local default-include-path = $(:E=Include:R=$(prefix)) ;
-
-        # If the interpreter was found in a directory called "PCBuild" or
-        # "PCBuild8," assume we're looking at a Python built from the source
-        # distro, and go up one additional level to the default root. Otherwise,
-        # the default root is the directory where the interpreter was found.
-
-        # We ask Python itself what the executable path is in case of
-        # intermediate symlinks or shell scripts.
-        local executable-dir = $(sys.executable:D) ;
-
-        if [ MATCH ^(PCBuild) : $(executable-dir:D=) ]
-        {
-            debug-message "This Python appears to reside in a source distribution;" ;
-            debug-message "prepending \""$(executable-dir)"\" to default library search path" ;
-
-            default-library-path = $(executable-dir) $(default-library-path) ;
-
-            default-include-path = $(:E=PC:R=$(executable-dir:D)) $(default-include-path) ;
-
-            debug-message "and \""$(default-include-path[1])"\" to default #include path" ;
-        }
-
-        libraries ?= $(default-library-path) ;
-        includes ?= $(default-include-path) ;
-    }
-    else
-    {
-        local default-include-path = $(prefix)/include/python$(version) ;
-        if ! [ path.exists $(default-include-path) ] && [ path.exists $(default-include-path)m ]
-        {
-            default-include-path = $(default-include-path)m ;
-        }
-
-        includes ?= $(default-include-path) ;
-
-        local lib = $(exec-prefix)/lib ;
-        libraries ?= $(lib)/python$(version)/config $(lib) ;
-    }
+    libraries ?= $(lib)/python$(version)/config $(lib) ;
+    includes ?= $(prefix)/include/python$(version) ;
+    local lib = $(exec-prefix)/lib ;
 }
 
 # The version of the python interpreter to use.
@@ -579,32 +538,15 @@ variant debug-python : debug : <python-d
 local rule candidate-interpreters ( version ? : prefix ? : target-os )
 {
     local bin-path = bin ;
-    if $(target-os) = windows
-    {
-        # On Windows, look in the root directory itself and, to work with the
-        # result of a build-from-source, the PCBuild directory.
-        bin-path = PCBuild8 PCBuild "" ;
-    }
 
     bin-path = $(bin-path:R=$(prefix)) ;
 
-    if $(target-os) in windows darwin
-    {
-        return                                            # Search:
-            $(:E=python:R=$(bin-path))                    #   Relative to the prefix, if any
-            python                                        #   In the PATH
-            [ $(target-os)-installed-pythons $(version) ] #   Standard install locations
-        ;
-    }
-    else
-    {
-        # Search relative to the prefix, or if none supplied, in PATH.
-        local unversioned = $(:E=python:R=$(bin-path:E=)) ;
+    # Search relative to the prefix, or if none supplied, in PATH.
+    local unversioned = $(:E=python:R=$(bin-path:E=)) ;
 
-        # If a version was specified, look for a python with that specific
-        # version appended before looking for one called, simply, "python"
-        return $(unversioned)$(version) $(unversioned) ;
-    }
+    # If a version was specified, look for a python with that specific
+    # version appended before looking for one called, simply, "python"
+    return $(unversioned)$(version) $(unversioned) ;
 }
 
 
@@ -682,15 +624,6 @@ local rule declare-libpython-target ( ve
     # Compute the representation of Python version in the name of Python's
     # library file.
     local lib-version = $(version) ;
-    if <target-os>windows in $(requirements)
-    {
-        local major-minor = [ split-version $(version) ] ;
-        lib-version = $(major-minor:J="") ;
-        if <python-debugging>on in $(requirements)
-        {
-            lib-version = $(lib-version)_d ;
-        }
-    }
 
     if ! $(lib-version)
     {
@@ -718,10 +651,6 @@ local rule configure ( version ? : cmd-o
     target-os ?= [ feature.defaults target-os ] ;
     target-os = $(target-os:G=) ;
 
-    if $(target-os) = windows && <python-debugging>on in $(condition)
-    {
-        extension-suffix ?= _d ;
-    }
     extension-suffix ?= "" ;
     abi-letters ?= "" ;
 
@@ -738,13 +667,7 @@ local rule configure ( version ? : cmd-o
         # Work with the command the user gave us.
         cmds-to-try = $(cmd-or-prefix) ;
 
-        # On Windows, do not nail down the interpreter command just yet in case
-        # the user specified something that turns out to be a cygwin symlink,
-        # which could bring down bjam if we invoke it.
-        if $(target-os) != windows
-        {
-            interpreter-cmd = $(cmd-or-prefix) ;
-        }
+        interpreter-cmd = $(cmd-or-prefix) ;
     }
 
     # Values to use in case we can not really find anything in the system.
@@ -994,11 +917,6 @@ local rule configure ( version ? : cmd-o
         #    environment variable set up, and the user may want to use it for
         #    something else (e.g. launch the debugger).
         local set-PYTHONPATH ;
-        if $(target-os) = windows
-        {
-            set-PYTHONPATH = [ common.prepend-path-variable-command PYTHONPATH :
-                $(libraries:D)/Lib ] ;
-        }
 
         alias python
           :