Adding upstream version 14.2.21.upstream/14.2.21upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

3 files changed, 929 insertions, 0 deletions

diff --git a/src/boost/libs/context/build/Jamfile.v2 b/src/boost/libs/context/build/Jamfile.v2
new file mode 100644
index 00000000..a35f1c5d
--- /dev/null
+++ b/src/boost/libs/context/build/Jamfile.v2
@@ -0,0 +1,827 @@
+
+# Boost.Context Library Build Jamfile
+
+#          Copyright Oliver Kowalke 2009.
+# Distributed under the Boost Software License, Version 1.0.
+#    (See accompanying file LICENSE_1_0.txt or copy at
+#          http://www.boost.org/LICENSE_1_0.txt)
+
+import common ;
+import feature ;
+import indirect ;
+import modules ;
+import os ;
+import toolset ;
+ import ../../config/checks/config : requires ;
+
+feature.feature segmented-stacks : on : optional propagated composite ;
+feature.compose <segmented-stacks>on : <define>BOOST_USE_SEGMENTED_STACKS ;
+
+feature.feature htm : tsx : optional propagated composite ;
+feature.compose <htm>tsx : <define>BOOST_USE_TSX ;
+
+feature.feature valgrind : on : optional propagated composite ;
+feature.compose <valgrind>on : <define>BOOST_USE_VALGRIND ;
+
+project boost/context
+    : requirements
+      <target-os>windows:<define>_WIN32_WINNT=0x0601
+      <toolset>gcc,<segmented-stacks>on:<cxxflags>-fsplit-stack
+      <toolset>gcc,<segmented-stacks>on:<cxxflags>-DBOOST_USE_SEGMENTED_STACKS
+      <toolset>gcc,<segmented-stacks>on:<linkflags>"-static-libgcc"
+      <toolset>clang,<segmented-stacks>on:<cxxflags>-fsplit-stack
+      <toolset>clang,<segmented-stacks>on:<cxxflags>-DBOOST_USE_SEGMENTED_STACKS
+      <toolset>clang,<segmented-stacks>on:<linkflags>"-static-libgcc"
+      <toolset>intel,<link>shared:<define>BOOST_CONTEXT_EXPORT=EXPORT
+      <toolset>intel,<link>static:<define>BOOST_CONTEXT_EXPORT=
+      <toolset>msvc,<link>shared:<define>BOOST_CONTEXT_EXPORT=EXPORT
+      <toolset>msvc,<link>static:<define>BOOST_CONTEXT_EXPORT=
+      <toolset>clang-win,<link>shared:<define>BOOST_CONTEXT_EXPORT=EXPORT
+      <toolset>clang-win,<link>static:<define>BOOST_CONTEXT_EXPORT=
+      <link>shared:<define>BOOST_CONTEXT_DYN_LINK=1
+      <define>BOOST_CONTEXT_SOURCE
+      <threading>multi
+    : usage-requirements
+      <link>shared:<define>BOOST_CONTEXT_DYN_LINK=1
+      <optimization>speed:<define>BOOST_DISABLE_ASSERTS
+      <variant>release:<define>BOOST_DISABLE_ASSERTS
+    : source-location ../src
+    ;
+
+
+local rule default_binary_format ( )
+{
+    local tmp = elf ;
+    if [ os.name ] = "NT" { tmp = pe ; }
+    else if [ os.name ] = "CYGWIN" { tmp = pe ; }
+    else if [ os.name ] = "AIX" { tmp = xcoff ; }
+    else if [ os.name ] = "MACOSX" { tmp = mach-o ; }
+    return $(tmp) ;
+}
+
+feature.feature binary-format
+   : elf
+     mach-o
+     pe
+     xcoff
+   : propagated
+   ;
+feature.set-default binary-format : [ default_binary_format ] ;
+
+
+local rule default_abi ( )
+{
+    local tmp = sysv ;
+    if [ os.name ] = "NT" { tmp = ms ; }
+    else if [ os.name ] = "CYGWIN" { tmp = ms ; }
+    else if [ os.platform ] = "ARM" { tmp = aapcs ; }
+    else if [ os.platform ] = "MIPS" { tmp = o32 ; }
+    return $(tmp) ;
+}
+
+feature.feature abi
+   : aapcs
+     eabi
+     ms
+     n32
+     n64
+     o32
+     o64
+     sysv
+     x32
+   : propagated
+   ;
+feature.set-default abi : [ default_abi ] ;
+
+
+feature.feature context-impl
+    : fcontext
+      ucontext
+      winfib
+    : propagated
+      composite
+    ;
+feature.set-default context-impl : fcontext ;
+feature.compose <context-impl>ucontext : <define>BOOST_USE_UCONTEXT ;
+feature.compose <context-impl>winfib : <define>BOOST_USE_WINFIB ;
+
+# ARM
+# ARM/AAPCS/ELF
+alias asm_sources
+   : asm/make_arm_aapcs_elf_gas.S
+     asm/jump_arm_aapcs_elf_gas.S
+     asm/ontop_arm_aapcs_elf_gas.S
+   : <abi>aapcs
+     <address-model>32
+     <architecture>arm
+     <binary-format>elf
+     <toolset>clang
+   ;
+
+alias asm_sources
+   : asm/make_arm_aapcs_elf_gas.S
+     asm/jump_arm_aapcs_elf_gas.S
+     asm/ontop_arm_aapcs_elf_gas.S
+   : <abi>aapcs
+     <address-model>32
+     <architecture>arm
+     <binary-format>elf
+     <toolset>gcc
+   ;
+
+alias asm_sources
+   : asm/make_arm_aapcs_elf_gas.S
+     asm/jump_arm_aapcs_elf_gas.S
+     asm/ontop_arm_aapcs_elf_gas.S
+   : <abi>aapcs
+     <address-model>32
+     <architecture>arm
+     <binary-format>elf
+     <toolset>qcc
+   ;
+
+# ARM/AAPCS/MACH-O
+alias asm_sources
+   : asm/make_arm_aapcs_macho_gas.S
+     asm/jump_arm_aapcs_macho_gas.S
+     asm/ontop_arm_aapcs_macho_gas.S
+   : <abi>aapcs
+     <address-model>32
+     <architecture>arm
+     <binary-format>mach-o
+     <toolset>clang
+   ;
+
+alias asm_sources
+   : asm/make_arm_aapcs_macho_gas.S
+     asm/jump_arm_aapcs_macho_gas.S
+     asm/ontop_arm_aapcs_macho_gas.S
+   : <abi>aapcs
+     <address-model>32
+     <architecture>arm
+     <binary-format>mach-o
+     <toolset>darwin
+   ;
+
+# ARM/AAPCS/PE
+alias asm_sources
+   : asm/make_arm_aapcs_pe_armasm.asm
+     asm/jump_arm_aapcs_pe_armasm.asm
+     asm/ontop_arm_aapcs_pe_armasm.asm
+     untested.cpp
+   : <abi>aapcs
+     <address-model>32
+     <architecture>arm
+     <binary-format>pe
+     <toolset>msvc
+   ;
+
+# ARM64
+# ARM64/AAPCS/ELF
+alias asm_sources
+   : asm/make_arm64_aapcs_elf_gas.S
+     asm/jump_arm64_aapcs_elf_gas.S
+     asm/ontop_arm64_aapcs_elf_gas.S
+   : <abi>aapcs
+     <address-model>64
+     <architecture>arm
+     <binary-format>elf
+     <toolset>clang
+   ;
+
+alias asm_sources
+   : asm/make_arm64_aapcs_elf_gas.S
+     asm/jump_arm64_aapcs_elf_gas.S
+     asm/ontop_arm64_aapcs_elf_gas.S
+   : <abi>aapcs
+     <address-model>64
+     <architecture>arm
+     <binary-format>elf
+     <toolset>gcc
+   ;
+
+# ARM64/AAPCS/MACH-O
+alias asm_sources
+   : asm/make_arm64_aapcs_macho_gas.S
+     asm/jump_arm64_aapcs_macho_gas.S
+     asm/ontop_arm64_aapcs_macho_gas.S
+   : <abi>aapcs
+     <address-model>64
+     <architecture>arm
+     <binary-format>mach-o
+     <toolset>clang
+   ;
+
+alias asm_sources
+   : asm/make_arm64_aapcs_macho_gas.S
+     asm/jump_arm64_aapcs_macho_gas.S
+     asm/ontop_arm64_aapcs_macho_gas.S
+   : <abi>aapcs
+     <address-model>64
+     <architecture>arm
+     <binary-format>mach-o
+     <toolset>darwin
+   ;
+
+# MIPS
+# MIPS32/O32/ELF
+alias asm_sources
+   : asm/make_mips32_o32_elf_gas.S
+     asm/jump_mips32_o32_elf_gas.S
+     asm/ontop_mips32_o32_elf_gas.S
+   : <abi>o32
+     <address-model>32
+     <architecture>mips1
+     <binary-format>elf
+     <toolset>clang
+   ;
+
+alias asm_sources
+   : asm/make_mips32_o32_elf_gas.S
+     asm/jump_mips32_o32_elf_gas.S
+     asm/ontop_mips32_o32_elf_gas.S
+   : <abi>o32
+     <address-model>32
+     <architecture>mips1
+     <binary-format>elf
+     <toolset>gcc
+   ;
+
+# MIPS64/N64/ELF
+alias asm_sources
+   : asm/make_mips64_n64_elf_gas.S
+     asm/jump_mips64_n64_elf_gas.S
+     asm/ontop_mips64_n64_elf_gas.S
+   : <abi>n64
+     <address-model>64
+     <architecture>mips1
+     <binary-format>elf
+     <toolset>clang
+   ;
+
+alias asm_sources
+   : asm/make_mips64_n64_elf_gas.S
+     asm/jump_mips64_n64_elf_gas.S
+     asm/ontop_mips64_n64_elf_gas.S
+   : <abi>n64
+     <address-model>64
+     <architecture>mips1
+     <binary-format>elf
+     <toolset>gcc
+   ;
+
+# POWERPC_32
+# POWERPC_32/SYSV/ELF
+alias asm_sources
+   : asm/make_ppc32_sysv_elf_gas.S
+     asm/jump_ppc32_sysv_elf_gas.S
+     asm/ontop_ppc32_sysv_elf_gas.S
+     asm/tail_ppc32_sysv_elf_gas.cpp
+   : <abi>sysv
+     <address-model>32
+     <architecture>power
+     <binary-format>elf
+     <toolset>clang
+   ;
+
+alias asm_sources
+   : asm/make_ppc32_sysv_elf_gas.S
+     asm/jump_ppc32_sysv_elf_gas.S
+     asm/ontop_ppc32_sysv_elf_gas.S
+     asm/tail_ppc32_sysv_elf_gas.cpp
+   : <abi>sysv
+     <address-model>32
+     <architecture>power
+     <binary-format>elf
+     <toolset>gcc
+   ;
+
+alias asm_sources
+   : asm/make_ppc32_sysv_macho_gas.S
+     asm/jump_ppc32_sysv_macho_gas.S
+     asm/ontop_ppc32_sysv_macho_gas.S
+   : <abi>sysv
+     <address-model>32
+     <architecture>power
+     <binary-format>mach-o
+     <toolset>darwin
+   ;
+
+#POWERPC_32/SYSV/XCOFF
+alias asm_sources
+   : asm/make_ppc32_sysv_xcoff_gas.S
+     asm/jump_ppc32_sysv_xcoff_gas.S
+     asm/ontop_ppc32_sysv_xcoff_gas.S
+   : <abi>sysv
+     <address-model>32
+     <architecture>power
+     <binary-format>xcoff
+     <toolset>clang
+   ;
+
+alias asm_sources
+   : asm/make_ppc32_sysv_xcoff_gas.S
+     asm/jump_ppc32_sysv_xcoff_gas.S
+     asm/ontop_ppc32_sysv_xcoff_gas.S
+   : <abi>sysv
+     <address-model>32
+     <architecture>power
+     <binary-format>xcoff
+     <toolset>gcc
+   ;
+
+# POWERPC_64
+# POWERPC_64/SYSV/ELF
+alias asm_sources
+   : asm/make_ppc64_sysv_elf_gas.S
+     asm/jump_ppc64_sysv_elf_gas.S
+     asm/ontop_ppc64_sysv_elf_gas.S
+   : <abi>sysv
+     <address-model>64
+     <architecture>power
+     <binary-format>elf
+     <toolset>clang
+   ;
+
+alias asm_sources
+   : asm/make_ppc64_sysv_elf_gas.S
+     asm/jump_ppc64_sysv_elf_gas.S
+     asm/ontop_ppc64_sysv_elf_gas.S
+   : <abi>sysv
+     <address-model>64
+     <architecture>power
+     <binary-format>elf
+     <toolset>gcc
+   ;
+
+# POWERPC_64/SYSV/MACH-O
+alias asm_sources
+   : asm/make_ppc64_sysv_macho_gas.S
+     asm/jump_ppc64_sysv_macho_gas.S
+     asm/ontop_ppc64_sysv_macho_gas.S
+     untested.cpp
+   : <abi>sysv
+     <address-model>64
+     <architecture>power
+     <binary-format>mach-o
+     <toolset>clang
+   ;
+
+alias asm_sources
+   : asm/make_ppc64_sysv_macho_gas.S
+     asm/jump_ppc64_sysv_macho_gas.S
+     asm/ontop_ppc64_sysv_macho_gas.S
+     untested.cpp
+   : <abi>sysv
+     <address-model>64
+     <architecture>power
+     <binary-format>mach-o
+     <toolset>darwin
+   ;
+
+# POWERPC_64/SYSV/XCOFF
+alias asm_sources
+   : asm/make_ppc64_sysv_xcoff_gas.S
+     asm/jump_ppc64_sysv_xcoff_gas.S
+     asm/ontop_ppc64_sysv_xcoff_gas.S
+   : <abi>sysv
+     <address-model>64
+     <architecture>power
+     <binary-format>xcoff
+     <toolset>clang
+   ;
+
+alias asm_sources
+   : asm/make_ppc64_sysv_xcoff_gas.S
+     asm/jump_ppc64_sysv_xcoff_gas.S
+     asm/ontop_ppc64_sysv_xcoff_gas.S
+   : <abi>sysv
+     <address-model>64
+     <architecture>power
+     <binary-format>xcoff
+     <toolset>gcc
+   ;
+
+# POWERPC universal
+# POWERPC_32_64/SYSV/MACH-O
+alias asm_sources
+   : asm/make_ppc32_ppc64_sysv_macho_gas.S
+     asm/jump_ppc32_ppc64_sysv_macho_gas.S
+     asm/ontop_ppc32_ppc64_sysv_macho_gas.S
+   : <abi>sysv
+     <address-model>32_64
+     <architecture>power
+     <binary-format>mach-o
+   ;
+
+# RISCV64
+# RISCV64/SYSV/ELF
+alias asm_sources
+   : asm/make_riscv64_sysv_elf_gas.S
+     asm/jump_riscv64_sysv_elf_gas.S
+     asm/ontop_riscv64_sysv_elf_gas.S
+   : <abi>sysv
+     <address-model>64
+     <architecture>riscv
+     <binary-format>elf
+     <toolset>gcc
+   ;
+
+# S390X
+# S390X/SYSV/ELF
+alias asm_sources
+   : asm/make_s390x_sysv_elf_gas.S
+     asm/jump_s390x_sysv_elf_gas.S
+     asm/ontop_s390x_sysv_elf_gas.S
+   : <abi>sysv
+     <address-model>64
+     <architecture>s390x
+     <binary-format>elf
+     <toolset>gcc
+   ;
+
+# X86
+# X86/SYSV/ELF
+alias asm_sources
+   : asm/make_i386_sysv_elf_gas.S
+     asm/jump_i386_sysv_elf_gas.S
+     asm/ontop_i386_sysv_elf_gas.S
+   : <abi>sysv
+     <address-model>32
+     <architecture>x86
+     <binary-format>elf
+     <toolset>clang
+   ;
+
+alias asm_sources
+   : asm/make_i386_sysv_elf_gas.S
+     asm/jump_i386_sysv_elf_gas.S
+     asm/ontop_i386_sysv_elf_gas.S
+   : <abi>sysv
+     <address-model>32
+     <architecture>x86
+     <binary-format>elf
+     <toolset>gcc
+   ;
+
+alias asm_sources
+   : asm/make_i386_sysv_elf_gas.S
+     asm/jump_i386_sysv_elf_gas.S
+     asm/ontop_i386_sysv_elf_gas.S
+   : <abi>sysv
+     <address-model>32
+     <architecture>x86
+     <binary-format>elf
+     <toolset>intel
+   ;
+
+# X86/SYSV/MACH-O
+alias asm_sources
+   : asm/make_i386_sysv_macho_gas.S
+     asm/jump_i386_sysv_macho_gas.S
+     asm/ontop_i386_sysv_macho_gas.S
+   : <abi>sysv
+     <address-model>32
+     <architecture>x86
+     <binary-format>mach-o
+     <toolset>clang
+   ;
+
+alias asm_sources
+   : asm/make_i386_sysv_macho_gas.S
+     asm/jump_i386_sysv_macho_gas.S
+     asm/ontop_i386_sysv_macho_gas.S
+   : <abi>sysv
+     <address-model>32
+     <architecture>x86
+     <binary-format>mach-o
+     <toolset>darwin
+   ;
+
+# X86/MS/PE
+alias asm_sources
+   : asm/make_i386_ms_pe_gas.asm
+     asm/jump_i386_ms_pe_gas.asm
+     asm/ontop_i386_ms_pe_gas.asm
+     dummy.cpp
+   : <abi>ms
+     <address-model>32
+     <architecture>x86
+     <binary-format>pe
+     <toolset>clang
+   ;
+
+alias asm_sources
+   : asm/make_i386_ms_pe_masm.asm
+     asm/jump_i386_ms_pe_masm.asm
+     asm/ontop_i386_ms_pe_masm.asm
+     dummy.cpp
+   : <abi>ms
+     <address-model>32
+     <architecture>x86
+     <binary-format>pe
+     <toolset>clang-win
+   ;
+
+alias asm_sources
+   : asm/make_i386_ms_pe_gas.asm
+     asm/jump_i386_ms_pe_gas.asm
+     asm/ontop_i386_ms_pe_gas.asm
+     dummy.cpp
+   : <abi>ms
+     <address-model>32
+     <architecture>x86
+     <binary-format>pe
+     <toolset>gcc
+   ;
+
+alias asm_sources
+   : asm/make_i386_ms_pe_masm.asm
+     asm/jump_i386_ms_pe_masm.asm
+     asm/ontop_i386_ms_pe_masm.asm
+     dummy.cpp
+   : <abi>ms
+     <address-model>32
+     <architecture>x86
+     <binary-format>pe
+     <toolset>intel
+   ;
+
+alias asm_sources
+   : asm/make_i386_ms_pe_masm.asm
+     asm/jump_i386_ms_pe_masm.asm
+     asm/ontop_i386_ms_pe_masm.asm
+     dummy.cpp
+   : <abi>ms
+     <address-model>32
+     <architecture>x86
+     <binary-format>pe
+     <toolset>msvc
+   ;
+
+# X86_64
+# X86_64/SYSV/ELF
+alias asm_sources
+   : asm/make_x86_64_sysv_elf_gas.S
+     asm/jump_x86_64_sysv_elf_gas.S
+     asm/ontop_x86_64_sysv_elf_gas.S
+   : <abi>sysv
+     <address-model>64
+     <architecture>x86
+     <binary-format>elf
+     <toolset>clang
+   ;
+
+alias asm_sources
+   : asm/make_x86_64_sysv_elf_gas.S
+     asm/jump_x86_64_sysv_elf_gas.S
+     asm/ontop_x86_64_sysv_elf_gas.S
+   : <abi>sysv
+     <address-model>64
+     <architecture>x86
+     <binary-format>elf
+     <toolset>gcc
+   ;
+
+alias asm_sources
+   : asm/make_x86_64_sysv_elf_gas.S
+     asm/jump_x86_64_sysv_elf_gas.S
+     asm/ontop_x86_64_sysv_elf_gas.S
+   : <abi>sysv
+     <address-model>64
+     <architecture>x86
+     <binary-format>elf
+     <toolset>intel
+   ;
+
+# X86_64/SYSV/MACH-O
+alias asm_sources
+   : asm/make_x86_64_sysv_macho_gas.S
+     asm/jump_x86_64_sysv_macho_gas.S
+     asm/ontop_x86_64_sysv_macho_gas.S
+   : <abi>sysv
+     <address-model>64
+     <architecture>x86
+     <binary-format>mach-o
+     <toolset>clang
+   ;
+
+alias asm_sources
+   : asm/make_x86_64_sysv_macho_gas.S
+     asm/jump_x86_64_sysv_macho_gas.S
+     asm/ontop_x86_64_sysv_macho_gas.S
+   : <abi>sysv
+     <address-model>64
+     <architecture>x86
+     <binary-format>mach-o
+     <toolset>darwin
+   ;
+
+alias asm_sources
+   : asm/make_x86_64_sysv_macho_gas.S
+     asm/jump_x86_64_sysv_macho_gas.S
+     asm/ontop_x86_64_sysv_macho_gas.S
+   : <abi>sysv
+     <address-model>64
+     <architecture>x86
+     <binary-format>mach-o
+     <toolset>intel
+   ;
+
+# X86_64/MS/PE
+alias asm_sources
+   : asm/make_x86_64_ms_pe_gas.asm
+     asm/jump_x86_64_ms_pe_gas.asm
+     asm/ontop_x86_64_ms_pe_gas.asm
+     dummy.cpp
+   : <abi>ms
+     <address-model>64
+     <architecture>x86
+     <binary-format>pe
+     <toolset>clang
+   ;
+
+alias asm_sources
+   : asm/make_x86_64_ms_pe_masm.asm
+     asm/jump_x86_64_ms_pe_masm.asm
+     asm/ontop_x86_64_ms_pe_masm.asm
+     dummy.cpp
+   : <abi>ms
+     <address-model>64
+     <architecture>x86
+     <binary-format>pe
+     <toolset>clang-win
+   ;
+
+alias asm_sources
+   : asm/make_x86_64_ms_pe_gas.asm
+     asm/jump_x86_64_ms_pe_gas.asm
+     asm/ontop_x86_64_ms_pe_gas.asm
+     dummy.cpp
+   : <abi>ms
+     <address-model>64
+     <architecture>x86
+     <binary-format>pe
+     <toolset>gcc
+   ;
+
+alias asm_sources
+   : asm/make_x86_64_ms_pe_masm.asm
+     asm/jump_x86_64_ms_pe_masm.asm
+     asm/ontop_x86_64_ms_pe_masm.asm
+     dummy.cpp
+   : <abi>ms
+     <address-model>64
+     <architecture>x86
+     <binary-format>pe
+     <toolset>intel
+   ;
+
+alias asm_sources
+   : asm/make_x86_64_ms_pe_masm.asm
+     asm/jump_x86_64_ms_pe_masm.asm
+     asm/ontop_x86_64_ms_pe_masm.asm
+     dummy.cpp
+   : <abi>ms
+     <address-model>64
+     <architecture>x86
+     <binary-format>pe
+     <toolset>msvc
+   ;
+
+# X86_64/SYSV/X32
+alias asm_sources
+   : asm/make_x86_64_sysv_elf_gas.S
+     asm/jump_x86_64_sysv_elf_gas.S
+     asm/ontop_x86_64_sysv_elf_gas.S
+   : <abi>x32
+     <address-model>64
+     <architecture>x86
+     <binary-format>elf
+     <toolset>clang
+   ;
+
+alias asm_sources
+   : asm/make_x86_64_sysv_elf_gas.S
+     asm/jump_x86_64_sysv_elf_gas.S
+     asm/ontop_x86_64_sysv_elf_gas.S
+   : <abi>x32
+     <address-model>64
+     <architecture>x86
+     <binary-format>elf
+     <toolset>gcc
+   ;
+
+alias asm_sources
+   : asm/make_x86_64_sysv_elf_gas.S
+     asm/jump_x86_64_sysv_elf_gas.S
+     asm/ontop_x86_64_sysv_elf_gas.S
+   : <abi>x32
+     <address-model>64
+     <architecture>x86
+     <binary-format>elf
+     <toolset>intel
+   ;
+
+#X86 universal
+alias asm_sources
+   : asm/make_i386_x86_64_sysv_macho_gas.S
+     asm/jump_i386_x86_64_sysv_macho_gas.S
+     asm/ontop_i386_x86_64_sysv_macho_gas.S
+   : <abi>sysv
+     <address-model>32_64
+     <architecture>x86
+     <binary-format>mach-o
+   ;
+
+# COMBINED
+alias asm_sources
+   : asm/make_combined_sysv_macho_gas.S
+     asm/jump_combined_sysv_macho_gas.S
+     asm/ontop_combined_sysv_macho_gas.S
+   : <abi>sysv
+     <architecture>combined
+     <binary-format>mach-o
+   ;
+
+explicit asm_sources ;
+
+
+# fcontext_t
+alias impl_sources
+    : asm_sources
+    : <context-impl>fcontext
+    ;
+
+# ucontext_t
+alias impl_sources
+    : continuation.cpp
+      fiber.cpp
+    : <context-impl>ucontext
+    [ requires cxx11_auto_declarations
+               cxx11_constexpr
+               cxx11_defaulted_functions
+               cxx11_final
+               cxx11_hdr_thread
+               cxx11_hdr_tuple
+               cxx11_lambdas
+               cxx11_noexcept
+               cxx11_nullptr
+               cxx11_rvalue_references
+               cxx11_template_aliases
+               cxx11_thread_local
+               cxx11_variadic_templates ]
+    ;
+
+# WinFiber
+alias impl_sources
+    : continuation.cpp
+      fiber.cpp
+    : <context-impl>winfib
+    [ requires cxx11_auto_declarations
+               cxx11_constexpr
+               cxx11_defaulted_functions
+               cxx11_final
+               cxx11_hdr_thread
+               cxx11_hdr_tuple
+               cxx11_lambdas
+               cxx11_noexcept
+               cxx11_nullptr
+               cxx11_rvalue_references
+               cxx11_template_aliases
+               cxx11_thread_local
+               cxx11_variadic_templates ]
+    ;
+
+explicit impl_sources ;
+
+obj cxx11_hdr_mutex_check : ../build/cxx11_hdr_mutex.cpp ;
+explicit cxx11_hdr_mutex_check ;
+local cxx11_mutex = [ check-target-builds
+      cxx11_hdr_mutex_check "C++11 mutex"
+    :
+    : <library>/boost/thread//boost_thread
+  ] ;
+
+alias stack_traits_sources
+    : windows/stack_traits.cpp
+    : <target-os>windows
+    :
+    : $(cxx11_mutex)
+    ;
+
+alias stack_traits_sources
+    : posix/stack_traits.cpp
+    :
+    :
+    : $(cxx11_mutex)
+    ;
+
+explicit stack_traits_sources ;
+
+lib boost_context
+   : impl_sources
+     stack_traits_sources
+   ;
+
+boost-install boost_context ;
diff --git a/src/boost/libs/context/build/architecture.jam b/src/boost/libs/context/build/architecture.jam
new file mode 100644
index 00000000..e00e61e5
--- /dev/null
+++ b/src/boost/libs/context/build/architecture.jam
@@ -0,0 +1,92 @@
+# architecture.jam
+#
+# Copyright 2012 Steven Watanabe
+#
+# Distributed under the Boost Software License Version 1.0. (See
+# accompanying file LICENSE_1_0.txt or copy at
+# http://www.boost.org/LICENSE_1_0.txt)
+
+import configure ;
+import project ;
+import path ;
+import property ;
+
+local here = [ modules.binding $(__name__) ] ;
+
+project.push-current [ project.current ] ;
+project.load [ path.join [ path.make $(here:D) ] ../config ] ;
+project.pop-current ;
+
+rule deduce-address-model ( properties * )
+{
+    local result = [ property.select <address-model> : $(properties) ] ;
+    if $(result)
+    {
+        return $(result) ;
+    }
+    else
+    {
+        if [ configure.builds /boost/architecture//32 : $(properties) : 32-bit ]
+        {
+            return <address-model>32 ;
+        }
+        else if [ configure.builds /boost/architecture//64 : $(properties) : 64-bit ]
+        {
+            return <address-model>64 ;
+        }
+    }
+}
+
+rule address-model ( )
+{
+    return <conditional>@architecture.deduce-address-model ;
+}
+
+rule deduce-architecture ( properties * )
+{
+    local result = [ property.select <architecture> : $(properties) ] ;
+    if $(result)
+    {
+        return $(result) ;
+    }
+    else
+    {
+        if [ configure.builds /boost/architecture//arm : $(properties) : arm ]
+        {
+            return <architecture>arm ;
+        }
+        else if [ configure.builds /boost/architecture//mips1 : $(properties) : mips1 ]
+        {
+            return <architecture>mips1 ;
+        }
+        else if [ configure.builds /boost/architecture//power : $(properties) : power ]
+        {
+            return <architecture>power ;
+        }
+        else if [ configure.builds /boost/architecture//riscv : $(properties) : riscv ]
+        {
+            return <architecture>riscv ;
+        }
+        else if [ configure.builds /boost/architecture//s390x : $(properties) : s390x ]
+        {
+            return <architecture>s390x ;
+        }
+        else if [ configure.builds /boost/architecture//sparc : $(properties) : sparc ]
+        {
+            return <architecture>sparc ;
+        }
+        else if [ configure.builds /boost/architecture//x86 : $(properties) : x86 ]
+        {
+            return <architecture>x86 ;
+        }
+        else if [ configure.builds /boost/architecture//combined : $(properties) : combined ]
+        {
+            return <architecture>combined ;
+        }
+    }
+}
+
+rule architecture ( )
+{
+    return <conditional>@architecture.deduce-architecture ;
+}
diff --git a/src/boost/libs/context/build/cxx11_hdr_mutex.cpp b/src/boost/libs/context/build/cxx11_hdr_mutex.cpp
new file mode 100644
index 00000000..d16a7a15
--- /dev/null
+++ b/src/boost/libs/context/build/cxx11_hdr_mutex.cpp
@@ -0,0 +1,10 @@
+//          Copyright Kohei Takahashi 2016.
+// Distributed under the Boost Software License, Version 1.0.
+//    (See accompanying file LICENSE_1_0.txt or copy at
+//          http://www.boost.org/LICENSE_1_0.txt)
+
+#include <boost/config.hpp>
+
+#ifdef BOOST_NO_CXX11_HDR_MUTEX
+#error "C++11 <mutex> is not available."
+#endif