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diff --git a/src/boost/tools/build/Jamroot.jam b/src/boost/tools/build/Jamroot.jam
new file mode 100644
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+++ b/src/boost/tools/build/Jamroot.jam
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+# Copyright 2019 Rene Rivera
+# Copyright 2017 Steven Watanabe
+# Copyright 2016 Vladimir Prus
+# Copyright 2017 Edward Diener
+# Distributed under the Boost Software License, Version 1.0.
+# (See accompanying file LICENSE_1_0.txt or http://www.boost.org/LICENSE_1_0.txt)
+
+import path ;
+import package ;
+import os ;
+import feature ;
+import set ;
+import toolset ;
+import bison ;
+import indirect ;
+import "class" : new ;
+import type ;
+import virtual-target ;
+import errors ;
+
+path-constant SELF : . ;
+
+project b2
+    : build-dir .build
+    : requirements
+        <cxxstd>11
+        <toolset>msvc:<define>_CRT_SECURE_NO_WARNINGS=1
+        <toolset>msvc:<define>_CRT_NONSTDC_NO_DEPRECATE=1
+    ;
+
+#|
+Build the engine and its dependencies outside of the simple core build scripts.
+This allows us to keep the core build scripts as simple as possible. And lets
+us support more functionality for development of the engine core.
+|#
+
+#|
+Define custom yyacc tool.
+|#
+
+feature.feature yyacc : : dependency free ;
+toolset.flags yyacc TOOL <yyacc> ;
+
+exe yyacc
+    :   src/engine/yyacc.cpp
+    :   ;
+explicit yyacc ;
+
+rule yyacc-gen ( project name : property-set : sources * )
+{
+    local relevant = [ toolset.relevant $(__name__).yyacc ] ;
+    local a = [ new action $(sources[1]) : $(__name__).yyacc : [ $(property-set).add $(relevant) ] ] ;
+    local targets ;
+    for local n in $(name:S=).y $(name:S=)tab.h
+    {
+        targets += [ virtual-target.register
+            [ new file-target $(n) exact : [ type.type $(n) ]
+                : $(project) : $(a)
+                ] ] ;
+    }
+    return $(targets) ;
+}
+
+actions yyacc bind TOOL
+{
+    "$(TOOL)" "$(<)" "$(>)"
+}
+
+generate jamgram.y
+    :   src/engine/jamgram.yy
+    :   <generating-rule>@yyacc-gen
+        <location>src/engine
+        <yyacc>yyacc <dependency>yyacc
+    ;
+explicit jamgram.y ;
+
+#|
+Define grammar translation with Bison.
+|#
+
+BISON = [ os.environ BISON ] ;
+BISON ?= bison ;
+local BISON_IN_PATH = [ path.glob [ os.executable-path ] : $(BISON[1]) $(BISON[1]).* ] ;
+
+rule grammar ( target : source : properties * )
+{
+    # LOCATE on $(target) = $(source:D) ;
+    BISON on $(target) = $(BISON) ;
+}
+
+actions grammar
+{
+    "$(BISON)" --yacc --defines -o "$(<[1])" "$(>)"
+}
+
+if $(BISON_IN_PATH)
+{
+    make jamgram.cpp
+        :   src/engine/jamgram.y
+        :   @grammar
+        :   <dependency>jamgram.y
+            <location>src/engine ;
+}
+else
+{
+    errors.warning "Bison generator program '$(BISON:J= )' not found. Skipping grammar build." ;
+    alias jamgram.cpp
+        :   src/engine/jamgram.cpp ;
+}
+explicit jamgram.cpp ;
+
+#|
+Generate the embedded jambase.
+|#
+
+feature.feature mkjambase : : dependency free ;
+toolset.flags mkjambase TOOL <mkjambase> ;
+
+exe mkjambase
+    :   src/engine/mkjambase.cpp
+    ;
+explicit mkjambase ;
+
+actions mkjambase bind TOOL
+{
+    "$(TOOL)" "$(<)" "$(>)"
+}
+
+make jambase.cpp
+    :   src/engine/Jambase
+    :   @mkjambase
+    :   <location>src/engine
+        <mkjambase>mkjambase <dependency>mkjambase ;
+explicit jambase.cpp ;
+
+#|
+Define the b2 executable. Sources are based on platform.
+TODO: Make platform specific source be no-ops when not needed.
+|#
+
+local python-exe = [ MATCH --with-python=(.*) : [ modules.peek : ARGV ] ] ;
+local python-include ;
+local python-ldlib ;
+if $(python-exe)
+{
+    python-include = [ SHELL
+        "$(python-exe) -c \"import sysconfig; print(sysconfig.get_path('include'));\""
+        : strip-eol ] ;
+    python-libdir = [ SHELL
+        "$(python-exe) -c \"import sysconfig; import os.path; print(sysconfig.get_config_var('LIBDIR'));\""
+        : strip-eol ] ;
+    python-ldlib = [ MATCH ".*(python.*)" : [ SHELL
+        "$(python-exe) -c \"import sysconfig; import os.path; print(sysconfig.get_config_var('LIBRARY'));\""
+        : strip-eol ] ] ;
+    python-ldlib = $(python-ldlib:S=) ;
+
+    lib python
+        :
+        : <name>$(python-ldlib) <search>$(python-libdir)
+        :
+        : <include>$(python-include) <define>HAVE_PYTHON ;
+}
+else
+{
+    alias python ;
+}
+
+local b2_src =
+    [ glob src/engine/*.cpp src/engine/modules/*.cpp :
+        src/engine/*nt.cpp src/engine/*unix.cpp src/engine/*vms.cpp
+        src/engine/yyacc.cpp src/engine/mkjambase.cpp
+        src/engine/check_cxx11.cpp
+        ] ;
+local b2_src_nt = [ glob src/engine/*nt.cpp ] ;
+local b2_src_unix = [ glob src/engine/*unix.cpp ] ;
+local b2_src_vms = [ glob src/engine/*vms.cpp ] ;
+local unix_os = [ set.difference [ feature.values <target-os> ] : windows vms ] ;
+
+exe b2
+    :   $(b2_src)
+        python
+    :   <target-os>windows:<source>$(b2_src_nt)
+        <target-os>vms:<source>$(b2_src_vms)
+        <target-os>$(unix_os):<source>$(b2_src_unix)
+        <dependency>jamgram.cpp
+        <dependency>jambase.cpp
+        <toolset>msvc:<find-static-library>kernel32
+        <toolset>msvc:<find-static-library>advapi32
+        <toolset>msvc:<find-static-library>user32
+    ;
+explicit b2 ;
+
+#|
+Installation of the engine, build, and example files.
+|#
+
+local ext = "" ;
+if [ os.on-windows ] || [ os.on-vms ]
+{
+    ext = ".exe" ;
+}
+
+package.install boost-build-engine boost-build
+    : # properties
+    : # binaries
+        $(SELF)/src/engine/b2$(ext)
+    ;
+explicit boost-build-engine ;
+
+local examples ;
+for local e in [ glob-tree-ex $(SELF)/example : * : . .svn ]
+{
+    if [ CHECK_IF_FILE [ path.native $(e) ] ]
+    {
+        examples += $(e) ;
+    }
+}
+package.install-data boost-build-examples
+    : # Which subdir of $prefix/share
+        boost-build
+    : # What to install
+        $(examples)
+    : # What is the root of the directory
+        <install-source-root>.
+    ;
+explicit boost-build-examples ;
+
+local .core-sources =
+    $(SELF)/boost-build.jam
+    $(SELF)/src/build-system.jam
+    [ path.glob-tree $(SELF)/src/build : *.jam ]
+    [ path.glob-tree $(SELF)/src/contrib : *.jam ]
+    [ path.glob-tree $(SELF)/src/kernel : *.jam ]
+    [ path.glob-tree $(SELF)/src/options : *.jam ]
+    [ path.glob-tree $(SELF)/src/util : *.jam ]
+    [ path.glob-tree $(SELF)/src/tools : *.jam *.xml *.xsl *.doxyfile *.hpp doxproc.py ]
+    ;
+if $(python-exe)
+{
+    .core-sources +=
+        [ path.glob-tree $(SELF)/src/build : *.py ]
+        [ path.glob-tree $(SELF)/src/contrib : *.py ]
+        [ path.glob-tree $(SELF)/src/kernel : *.py ]
+        [ path.glob-tree $(SELF)/src/options : *.py ]
+        [ path.glob-tree $(SELF)/src/util : *.py ]
+        [ path.glob-tree $(SELF)/src/tools : *.py : doxproc.py ]
+        ;
+}
+
+package.install-data boost-build-core
+    : # Which subdir of $prefix/share
+        boost-build
+    : # What to install
+        $(.core-sources)
+    : # What is the root of the directory
+        <install-source-root>.
+    ;
+explicit boost-build-core ;
+
+#|
+Only install example files when requested to avoid bloating install footprint.
+|#
+if --with-examples in [ modules.peek : ARGV ]
+{
+    alias install : boost-build-engine boost-build-core boost-build-examples ;
+}
+else
+{
+    alias install : boost-build-engine boost-build-core ;
+}
+explicit install ;