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#
# Copyright Andrey Semashev 2020.
# 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)
#
# This jamfile contains utility rules to select architecture-specific compiler flags
import common ;
import feature ;
import configure ;
rule deduce-architecture ( properties * )
{
local architecture = [ feature.get-values "architecture" : $(properties) ] ;
if $(architecture)
{
return $(architecture) ;
}
else
{
if [ configure.builds /boost/config/checks/architecture//x86 : $(properties) : "x86" ]
{
return x86 ;
}
else if [ configure.builds /boost/config/checks/architecture//arm : $(properties) : "arm" ]
{
return arm ;
}
else if [ configure.builds /boost/config/checks/architecture//mips1 : $(properties) : "mips1" ]
{
return mips1 ;
}
else if [ configure.builds /boost/config/checks/architecture//power : $(properties) : "power" ]
{
return power ;
}
else if [ configure.builds /boost/config/checks/architecture//sparc : $(properties) : "sparc" ]
{
return sparc ;
}
}
}
rule deduce-address-model ( properties * )
{
local address_model = [ feature.get-values "address-model" : $(properties) ] ;
if $(address_model)
{
return $(address_model) ;
}
else
{
if [ configure.builds /boost/config/checks/architecture//32 : $(properties) : "32-bit" ]
{
return 32 ;
}
else if [ configure.builds /boost/config/checks/architecture//64 : $(properties) : "64-bit" ]
{
return 64 ;
}
}
}
rule sse2-flags ( properties * )
{
local result ;
if <toolset>intel in $(properties)
{
if <toolset-intel:platform>win in $(properties)
{
result = <cxxflags>"/QxSSE2" ;
}
else
{
result = <cxxflags>"-xSSE2" ;
}
}
else if <toolset>msvc in $(properties)
{
# MSVC doesn't really care about these switches, all SSE intrinsics are always available, but still...
# Also 64 bit MSVC doesn't have the /arch:SSE2 switch as it is the default.
if 32 in [ deduce-address-model $(properties) ]
{
result = <cxxflags>"/arch:SSE2" ;
}
}
else
{
result = <cxxflags>"-msse -msse2" ;
}
return $(result) ;
}
rule sse41-flags ( properties * )
{
local result ;
if <toolset>intel in $(properties)
{
if <toolset-intel:platform>win in $(properties)
{
result = <cxxflags>"/QxSSE4.1" ;
}
else
{
result = <cxxflags>"-xSSE4.1" ;
}
}
else if <toolset>msvc in $(properties)
{
# MSVC doesn't really care about these switches, all SSE intrinsics are always available, but still...
# Also 64 bit MSVC doesn't have the /arch:SSE2 switch as it is the default.
if 32 in [ deduce-address-model $(properties) ]
{
result = <cxxflags>"/arch:SSE2" ;
}
}
else
{
result = <cxxflags>"-msse -msse2 -msse3 -mssse3 -msse4.1" ;
}
return $(result) ;
}
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