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Merge pull request #216 from boostorg/feature/features

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Restructure built-in feature definitions.
This commit is contained in:
Rene Rivera
2017-07-25 21:55:23 -05:00
committed by GitHub
parent 56fd849fb7 76db93bb66
commit 59d5566e29
49 changed files with 926 additions and 355 deletions
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355
src/tools/builtin.jam
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@@ -13,6 +13,7 @@ import alias ;
import "class" : new ;
import errors ;
import feature ;
import features/__init__ ;
import generators ;
import numbers ;
import os ;
@@ -40,360 +41,6 @@ import convert ;
import generate ;
.os-names = aix android appletv bsd cygwin darwin freebsd haiku hpux iphone linux netbsd
openbsd osf qnx qnxnto sgi solaris unix unixware windows vms
elf # Not actually an OS -- used for targeting bare metal where object
# format is ELF. This catches both -elf and -eabi gcc targets and well
# as other compilers targeting ELF. It is not clear how often we need
# the 'elf' key as opposed to other bare metal targets, but let us
# stick with gcc naming.
;
# Feature used to determine which OS we're on. New <target-os> and <host-os>
# features should be used instead.
local os = [ modules.peek : OS ] ;
feature.feature os : $(os) : propagated link-incompatible ;
# Translates from bjam current OS to the os tags used in host-os and target-os,
# i.e. returns the running host-os.
#
local rule default-host-os ( )
{
local host-os ;
if [ os.name ] in $(.os-names:U)
{
host-os = [ os.name ] ;
}
else
{
switch [ os.name ]
{
case NT : host-os = windows ;
case AS400 : host-os = unix ;
case MINGW : host-os = windows ;
case BSDI : host-os = bsd ;
case COHERENT : host-os = unix ;
case DRAGONFLYBSD : host-os = bsd ;
case IRIX : host-os = sgi ;
case HAIKU : host-os = haiku ;
case MACOSX : host-os = darwin ;
case KFREEBSD : host-os = freebsd ;
case LINUX : host-os = linux ;
case VMS : host-os = vms ;
case SUNOS :
ECHO "SunOS is not a supported operating system." ;
ECHO "We believe last version of SunOS was released in 1992, " ;
ECHO "so if you get this message, something is very wrong with configuration logic. " ;
ECHO "Please report this as a bug. " ;
EXIT ;
case * : host-os = unix ;
}
}
return $(host-os:L) ;
}
# The two OS features define a known set of abstract OS names. The host-os is
# the OS under which bjam is running. Even though this should really be a fixed
# property we need to list all the values to prevent unknown value errors. Both
# set the default value to the current OS to account for the default use case of
# building on the target OS.
feature.feature host-os : $(.os-names) ;
feature.set-default host-os : [ default-host-os ] ;
feature.feature target-os : $(.os-names) : propagated link-incompatible ;
feature.set-default target-os : [ default-host-os ] ;
feature.feature toolset : : implicit propagated symmetric ;
feature.feature stdlib : native : propagated composite ;
feature.feature link : shared static : propagated ;
feature.feature runtime-link : shared static : propagated ;
feature.feature runtime-debugging : on off : propagated ;
feature.feature optimization : off speed space : propagated ;
feature.feature profiling : off on : propagated ;
feature.feature inlining : off on full : propagated ;
feature.feature threading : single multi : propagated ;
feature.feature rtti : on off : propagated ;
feature.feature exception-handling : on off : propagated ;
feature.feature vectorize : off on full : propagated ;
# Whether there is support for asynchronous EH (e.g. catching SEGVs).
feature.feature asynch-exceptions : off on : propagated ;
# Whether all extern "C" functions are considered nothrow by default.
feature.feature extern-c-nothrow : off on : propagated ;
feature.feature debug-symbols : on off : propagated ;
# Controls whether the binary should be stripped -- that is have
# everything not necessary to running removed. This option should
# not be very often needed. Also, this feature will show up in
# target paths of everything, not just binaries. Should fix that
# when implementing feature relevance.
feature.feature strip : off on : propagated ;
feature.feature define : : free ;
feature.feature undef : : free ;
feature.feature "include" : : free path ; #order-sensitive ;
feature.feature cflags : : free ;
feature.feature cxxflags : : free ;
feature.feature fflags : : free ;
feature.feature asmflags : : free ;
feature.feature linkflags : : free ;
feature.feature archiveflags : : free ;
feature.feature version : : free ;
feature.feature mflags : : free ;
feature.feature mmflags : : free ;
# Generic, i.e. non-language specific, flags for tools.
feature.feature flags : : free ;
feature.feature location-prefix : : free ;
# The following features are incidental since they have no effect on built
# products. Not making them incidental will result in problems in corner cases,
# e.g.:
#
# unit-test a : a.cpp : <use>b ;
# lib b : a.cpp b ;
#
# Here, if <use> is not incidental, we would decide we have two targets for
# a.obj with different properties and complain about it.
#
# Note that making a feature incidental does not mean it is ignored. It may be
# ignored when creating a virtual target, but the rest of build process will use
# them.
feature.feature use : : free dependency incidental ;
feature.feature dependency : : free dependency incidental ;
feature.feature implicit-dependency : : free dependency incidental ;
feature.feature warnings :
on # Enable default/"reasonable" warning level for the tool.
all # Enable all possible warnings issued by the tool.
off # Disable all warnings issued by the tool.
: incidental propagated ;
feature.feature warnings-as-errors :
off # Do not fail the compilation if there are warnings.
on # Fail the compilation if there are warnings.
: incidental propagated ;
# Feature that allows us to configure the maximal template instantiation depth
# level allowed by a C++ compiler. Applies only to C++ toolsets whose compilers
# actually support this configuration setting.
#
# Note that Boost Build currently does not allow defining features that take any
# positive integral value as a parameter, which is what we need here, so we just
# define some of the values here and leave it up to the user to extend this set
# as he needs using the feature.extend rule.
#
# TODO: This should be upgraded as soon as Boost Build adds support for custom
# validated feature values or at least features allowing any positive integral
# value. See related Boost Build related trac ticket #194.
#
feature.feature c++-template-depth
:
[ numbers.range 64 1024 : 64 ]
[ numbers.range 20 1000 : 10 ]
# Maximum template instantiation depth guaranteed for ANSI/ISO C++
# conforming programs.
17
:
incidental optional propagated ;
feature.feature source : : free dependency incidental ;
feature.feature library : : free dependency incidental ;
feature.feature file : : free dependency incidental ;
feature.feature find-shared-library : : free ; #order-sensitive ;
feature.feature find-static-library : : free ; #order-sensitive ;
feature.feature library-path : : free path ; #order-sensitive ;
# Internal feature.
feature.feature library-file : : free dependency ;
feature.feature name : : free ;
feature.feature tag : : free ;
feature.feature search : : free path ; #order-sensitive ;
feature.feature location : : free path ;
feature.feature dll-path : : free path ;
feature.feature hardcode-dll-paths : true false : incidental ;
# An internal feature that holds the paths of all dependency shared libraries.
# On Windows, it is needed so that we can add all those paths to PATH when
# running applications. On Linux, it is needed to add proper -rpath-link command
# line options.
feature.feature xdll-path : : free path ;
# Provides means to specify def-file for windows DLLs.
feature.feature def-file : : free dependency ;
feature.feature suppress-import-lib : false true : incidental ;
# Internal feature used to store the name of a bjam action to call when building
# a target.
feature.feature action : : free ;
# This feature is used to allow specific generators to run. For example, QT
# tools can only be invoked when QT library is used. In that case, <allow>qt
# will be in usage requirement of the library.
feature.feature allow : : free ;
# The addressing model to generate code for. Currently a limited set only
# specifying the bit size of pointers.
feature.feature address-model : 16 32 64 32_64 : propagated optional ;
# Type of CPU architecture to compile for.
feature.feature architecture :
# x86 and x86-64
x86
# ia64
ia64
# Sparc
sparc
# RS/6000 & PowerPC
power
# MIPS/SGI
mips1 mips2 mips3 mips4 mips32 mips32r2 mips64
# HP/PA-RISC
parisc
# Advanced RISC Machines
arm
# Combined architectures for platforms/toolsets that support building for
# multiple architectures at once. "combined" would be the default multi-arch
# for the toolset.
combined
combined-x86-power
: propagated optional ;
# The specific instruction set in an architecture to compile.
feature.feature instruction-set :
# x86 and x86-64
native i486 i586 i686 pentium pentium-mmx pentiumpro pentium2 pentium3
pentium3m pentium-m pentium4 pentium4m prescott nocona core2 corei7 corei7-avx core-avx-i
conroe conroe-xe conroe-l allendale merom merom-xe kentsfield kentsfield-xe penryn wolfdale
yorksfield nehalem sandy-bridge ivy-bridge haswell k6 k6-2 k6-3 athlon athlon-tbird athlon-4 athlon-xp
athlon-mp k8 opteron athlon64 athlon-fx k8-sse3 opteron-sse3 athlon64-sse3 amdfam10 barcelona
bdver1 bdver2 bdver3 btver1 btver2 winchip-c6 winchip2 c3 c3-2 atom
# ia64
itanium itanium1 merced itanium2 mckinley
# Sparc
v7 cypress v8 supersparc sparclite hypersparc sparclite86x f930 f934
sparclet tsc701 v9 ultrasparc ultrasparc3
# RS/6000 & PowerPC
401 403 405 405fp 440 440fp 505 601 602 603 603e 604 604e 620 630 740 7400
7450 750 801 821 823 860 970 8540 power-common ec603e g3 g4 g5 power power2
power3 power4 power5 powerpc powerpc64 rios rios1 rsc rios2 rs64a
# MIPS
4kc 4kp 5kc 20kc m4k r2000 r3000 r3900 r4000 r4100 r4300 r4400 r4600 r4650
r6000 r8000 rm7000 rm9000 orion sb1 vr4100 vr4111 vr4120 vr4130 vr4300
vr5000 vr5400 vr5500
# HP/PA-RISC
700 7100 7100lc 7200 7300 8000
# Advanced RISC Machines
armv2 armv2a armv3 armv3m armv4 armv4t armv5 armv5t armv5te armv6 armv6j iwmmxt ep9312
armv7 armv7s
: propagated optional ;
# Used to select a specific variant of C++ ABI if the compiler supports several.
feature.feature c++abi : : propagated optional ;
feature.feature conditional : : incidental free ;
# The value of 'no' prevents building of a target.
feature.feature build : yes no : optional ;
# Windows-specific features
feature.feature user-interface : console gui wince native auto ;
feature.feature variant : : implicit composite propagated symmetric ;
# Declares a new variant.
#
# First determines explicit properties for this variant, by refining parents'
# explicit properties with the passed explicit properties. The result is
# remembered and will be used if this variant is used as parent.
#
# Second, determines the full property set for this variant by adding to the
# explicit properties default values for all missing non-symmetric properties.
#
# Lastly, makes appropriate value of 'variant' property expand to the full
# property set.
#
rule variant ( name # Name of the variant
: parents-or-properties * # Specifies parent variants, if
# 'explicit-properties' are given, and
# explicit-properties or parents otherwise.
: explicit-properties * # Explicit properties.
)
{
local parents ;
if ! $(explicit-properties)
{
if $(parents-or-properties[1]:G)
{
explicit-properties = $(parents-or-properties) ;
}
else
{
parents = $(parents-or-properties) ;
}
}
else
{
parents = $(parents-or-properties) ;
}
# The problem is that we have to check for conflicts between base variants.
if $(parents[2])
{
errors.error "multiple base variants are not yet supported" ;
}
local inherited ;
# Add explicitly specified properties for parents.
for local p in $(parents)
{
# TODO: This check may be made stricter.
if ! [ feature.is-implicit-value $(p) ]
{
errors.error "Invalid base variant" $(p) ;
}
inherited += $(.explicit-properties.$(p)) ;
}
property.validate $(explicit-properties) ;
explicit-properties = [ property.refine $(inherited)
: $(explicit-properties) ] ;
# Record explicitly specified properties for this variant. We do this after
# inheriting parents' properties so they affect other variants derived from
# this one.
.explicit-properties.$(name) = $(explicit-properties) ;
feature.extend variant : $(name) ;
feature.compose <variant>$(name) : $(explicit-properties) ;
}
IMPORT $(__name__) : variant : : variant ;
variant debug : <optimization>off <debug-symbols>on <inlining>off
<runtime-debugging>on ;
variant release : <optimization>speed <debug-symbols>off <inlining>full

21
src/tools/features/__init__.jam Normal file
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@@ -0,0 +1,21 @@
# Copyright 2017 Rene Rivera
# 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)
# Here we automatically define any feature modules in this directory.
import os path modules ;
.this-module's-file = [ modules.binding $(__name__) ] ;
.this-module's-dir = [ path.parent [ path.make $(.this-module's-file) ] ] ;
.feature-jamfiles = [ path.glob $(.this-module's-dir) : *-feature.jam ] ;
.feature-modules = [ MATCH ^(.*)\.jam$ : $(.feature-jamfiles) ] ;
# A loop over all feature modules in this directory
for local m in $(.feature-modules)
{
m = [ path.basename $(m) ] ;
m = features/$(m) ;
import $(m) ;
}

13
src/tools/features/address-model-feature.jam Normal file
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@@ -0,0 +1,13 @@
# Copyright 2017 Rene Rivera
# 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)
# The addressing model to generate code for. Currently a limited set only
# specifying the bit size of pointers.
import feature ;
feature.feature address-model
: 16 32 64 32_64
: propagated optional ;

14
src/tools/features/allow-feature.jam Normal file
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@@ -0,0 +1,14 @@
# Copyright 2017 Rene Rivera
# 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 feature is used to allow specific generators to run. For example, QT
# tools can only be invoked when QT library is used. In that case, <allow>qt
# will be in usage requirement of the library.
import feature ;
feature.feature allow
:
: free ;

40
src/tools/features/architecture-feature.jam Normal file
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@@ -0,0 +1,40 @@
# Copyright 2017 Rene Rivera
# 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)
# Type of CPU architecture to compile for.
import feature ;
feature.feature architecture
:
# x86 and x86-64
x86
# ia64
ia64
# Sparc
sparc
# RS/6000 & PowerPC
power
# MIPS/SGI
mips1 mips2 mips3 mips4 mips32 mips32r2 mips64
# HP/PA-RISC
parisc
# Advanced RISC Machines
arm
# Combined architectures for platforms/toolsets that support building for
# multiple architectures at once. "combined" would be the default multi-arch
# for the toolset.
combined
combined-x86-power
:
propagated optional
;

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src/tools/features/archiveflags-feature.jam Normal file
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@@ -0,0 +1,12 @@
# Copyright 2017 Rene Rivera
# 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)
# TODO: Documentation.
import feature ;
feature.feature archiveflags
:
: free ;

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src/tools/features/asmflags-feature.jam Normal file
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@@ -0,0 +1,12 @@
# Copyright 2017 Rene Rivera
# 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)
# TODO: Documentation.
import feature ;
feature.feature asmflags
:
: free ;

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src/tools/features/build-feature.jam Normal file
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@@ -0,0 +1,12 @@
# Copyright 2017 Rene Rivera
# 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)
# The value of 'no' prevents building of a target.
import feature ;
feature.feature build
: yes no
: optional ;

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src/tools/features/cflags-feature.jam Normal file
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@@ -0,0 +1,12 @@
# Copyright 2017 Rene Rivera
# 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)
# TODO: Documentation.
import feature ;
feature.feature cflags
:
: free ;

12
src/tools/features/conditional-feature.jam Normal file
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@@ -0,0 +1,12 @@
# Copyright 2017 Rene Rivera
# 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)
# TODO: Documentation.
import feature ;
feature.feature conditional
:
: incidental free ;

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src/tools/features/cxx-template-depth-feature.jam Normal file
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@@ -0,0 +1,31 @@
# Copyright 2017 Rene Rivera
# 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)
# Feature that allows us to configure the maximal template instantiation depth
# level allowed by a C++ compiler. Applies only to C++ toolsets whose compilers
# actually support this configuration setting.
#
# Note that Boost Build currently does not allow defining features that take any
# positive integral value as a parameter, which is what we need here, so we just
# define some of the values here and leave it up to the user to extend this set
# as he needs using the feature.extend rule.
#
# TODO: This should be upgraded as soon as Boost Build adds support for custom
# validated feature values or at least features allowing any positive integral
# value. See related Boost Build related trac ticket #194.
#
import feature ;
import numbers ;
feature.feature c++-template-depth
:
[ numbers.range 64 1024 : 64 ]
[ numbers.range 20 1000 : 10 ]
# Maximum template instantiation depth guaranteed for ANSI/ISO C++
# conforming programs.
17
:
incidental optional propagated ;

12
src/tools/features/cxxabi-feature.jam Normal file
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@@ -0,0 +1,12 @@
# Copyright 2017 Rene Rivera
# 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)
# Used to select a specific variant of C++ ABI if the compiler supports several.
import feature ;
feature.feature c++abi
:
: propagated optional ;

12
src/tools/features/cxxflags-feature.jam Normal file
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@@ -0,0 +1,12 @@
# Copyright 2017 Rene Rivera
# 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)
# TODO: Documentation.
import feature ;
feature.feature cxxflags
:
: free ;

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src/tools/features/cxxstd-feature.jam Normal file
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@@ -0,0 +1,34 @@
# Copyright 2017 Rene Rivera
# 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 feature ;
# The `cxxstd` feature specifies the version of the C++ Standard Language to
# build with. All the official versions of the standard since "98" are
# included: `98`, `03`, `11`, `14`, and `17`. It is also possible to
# specify using the experimental, work in progress, `latest` version. Some
# compilers specified intermediate versions for the experimental versions
# leading up to the released standard version. Those are included following
# the GNU nomenclature as `0x`, `1y`, `1z`, and `2a`. And depending on the
# compiler `latest` would map to one of those.
#
# NOTE: This is an `optional` feature. Hence when not specified the compiler
# default behaviour is used.
#
# NOTE: Please consult the toolset specific documentation for which `cxxstd`
# is supported.
feature.feature cxxstd
: 98 03 0x 11 1y 14 1z 17 2a latest
: optional composite propagated ;
# The cxxstd:dialet subfeature indicates if a non-standard dialect should be
# used. These usually have either/or extensions or platform specific
# functionality. Not specifying the dialect will disable any dialect and use
# ANSI C++ Standard conformance.
feature.subfeature cxxstd : dialect
: gnu ms
: optional composite propagated ;

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src/tools/features/debug-feature.jam Normal file
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@@ -0,0 +1,16 @@
# Copyright 2017 Rene Rivera
# 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)
# TODO: Documentation.
import feature ;
feature.feature debug-symbols
: on off
: propagated ;
feature.feature profiling
: off on
: propagated ;

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@@ -0,0 +1,16 @@
# Copyright 2017 Rene Rivera
# 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)
# TODO: Documentation.
import feature ;
feature.feature define
:
: free ;
feature.feature undef
:
: free ;

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@@ -0,0 +1,32 @@
# Copyright 2017 Rene Rivera
# 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)
# The following features are incidental since they have no effect on built
# products. Not making them incidental will result in problems in corner cases,
# e.g.:
#
# unit-test a : a.cpp : <use>b ;
# lib b : a.cpp b ;
#
# Here, if <use> is not incidental, we would decide we have two targets for
# a.obj with different properties and complain about it.
#
# Note that making a feature incidental does not mean it is ignored. It may be
# ignored when creating a virtual target, but the rest of build process will use
# them.
import feature ;
feature.feature use
:
: free dependency incidental ;
feature.feature dependency
:
: free dependency incidental ;
feature.feature implicit-dependency
:
: free dependency incidental ;

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@@ -0,0 +1,33 @@
# Copyright 2017 Rene Rivera
# 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)
# TODO: Documentation.
import feature ;
feature.feature dll-path
:
: free path ;
feature.feature hardcode-dll-paths
: true false
: incidental ;
# An internal feature that holds the paths of all dependency shared libraries.
# On Windows, it is needed so that we can add all those paths to PATH when
# running applications. On Linux, it is needed to add proper -rpath-link command
# line options.
feature.feature xdll-path
:
: free path ;
# Provides means to specify def-file for windows DLLs.
feature.feature def-file
:
: free dependency ;
feature.feature suppress-import-lib
: false true
: incidental ;

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@@ -0,0 +1,22 @@
# Copyright 2017 Rene Rivera
# 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)
# TODO: Documentation.
import feature ;
feature.feature exception-handling
: on off
: propagated ;
# Whether there is support for asynchronous EH (e.g. catching SEGVs).
feature.feature asynch-exceptions
: off on
: propagated ;
# Whether all extern "C" functions are considered nothrow by default.
feature.feature extern-c-nothrow
: off on
: propagated ;

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@@ -0,0 +1,12 @@
# Copyright 2017 Rene Rivera
# 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)
# TODO: Documentation.
import feature ;
feature.feature fflags
:
: free ;

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@@ -0,0 +1,12 @@
# Copyright 2017 Rene Rivera
# 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)
# TODO: Documentation.
import feature ;
feature.feature file
:
: free dependency incidental ;

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@@ -0,0 +1,20 @@
# Copyright 2017 Rene Rivera
# 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)
# TODO: Documentation.
import feature ;
feature.feature find-shared-library
:
: free ; #order-sensitive ;
feature.feature find-static-library
:
: free ; #order-sensitive ;
feature.feature library-path
:
: free path ; #order-sensitive ;

12
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@@ -0,0 +1,12 @@
# Copyright 2017 Rene Rivera
# 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)
# Generic, i.e. non-language specific, flags for tools.
import feature ;
feature.feature flags
:
: free ;

13
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# Copyright 2017 Rene Rivera
# 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)
# TODO: Documentation.
import feature ;
feature.feature "include"
:
: free path #order-sensitive
;

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# Copyright 2017 Rene Rivera
# 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)
# The specific instruction set in an architecture to compile.
import feature ;
feature.feature instruction-set
:
# x86 and x86-64
native i486 i586 i686 pentium pentium-mmx pentiumpro pentium2 pentium3
pentium3m pentium-m pentium4 pentium4m prescott nocona core2 corei7 corei7-avx core-avx-i
conroe conroe-xe conroe-l allendale merom merom-xe kentsfield kentsfield-xe penryn wolfdale
yorksfield nehalem sandy-bridge ivy-bridge haswell k6 k6-2 k6-3 athlon athlon-tbird athlon-4 athlon-xp
athlon-mp k8 opteron athlon64 athlon-fx k8-sse3 opteron-sse3 athlon64-sse3 amdfam10 barcelona
bdver1 bdver2 bdver3 btver1 btver2 winchip-c6 winchip2 c3 c3-2 atom
# ia64
itanium itanium1 merced itanium2 mckinley
# Sparc
v7 cypress v8 supersparc sparclite hypersparc sparclite86x f930 f934
sparclet tsc701 v9 ultrasparc ultrasparc3
# RS/6000 & PowerPC
401 403 405 405fp 440 440fp 505 601 602 603 603e 604 604e 620 630 740 7400
7450 750 801 821 823 860 970 8540 power-common ec603e g3 g4 g5 power power2
power3 power4 power5 powerpc powerpc64 rios rios1 rsc rios2 rs64a
# MIPS
4kc 4kp 5kc 20kc m4k r2000 r3000 r3900 r4000 r4100 r4300 r4400 r4600 r4650
r6000 r8000 rm7000 rm9000 orion sb1 vr4100 vr4111 vr4120 vr4130 vr4300
vr5000 vr5400 vr5500
# HP/PA-RISC
700 7100 7100lc 7200 7300 8000
# Advanced RISC Machines
armv2 armv2a armv3 armv3m armv4 armv4t armv5 armv5t armv5te armv6 armv6j iwmmxt ep9312
armv7 armv7s
:
propagated optional
;

19
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# Copyright 2017 Rene Rivera
# 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)
# TODO: Documentation.
import feature ;
# Internal feature.
feature.feature library-file
:
: free dependency ;
# Internal feature used to store the name of a bjam action to call when building
# a target.
feature.feature action
:
: free ;

12
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# Copyright 2017 Rene Rivera
# 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)
# TODO: Documentation.
import feature ;
feature.feature library
:
: free dependency incidental ;

12
src/tools/features/link-feature.jam Normal file
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@@ -0,0 +1,12 @@
# Copyright 2017 Rene Rivera
# 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)
# TODO: Documentation.
import feature ;
feature.feature link
: shared static
: propagated ;

12
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# Copyright 2017 Rene Rivera
# 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)
# TODO: Documentation.
import feature ;
feature.feature linkflags
:
: free ;

12
src/tools/features/location-feature.jam Normal file
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@@ -0,0 +1,12 @@
# Copyright 2017 Rene Rivera
# 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)
# TODO: Documentation.
import feature ;
feature.feature location
:
: free path ;

12
src/tools/features/location-prefix-feature.jam Normal file
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@@ -0,0 +1,12 @@
# Copyright 2017 Rene Rivera
# 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)
# TODO: Documentation.
import feature ;
feature.feature location-prefix
:
: free ;

12
src/tools/features/name-feature.jam Normal file
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@@ -0,0 +1,12 @@
# Copyright 2017 Rene Rivera
# 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)
# TODO: Documentation.
import feature ;
feature.feature name
:
: free ;

16
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# Copyright 2017 Rene Rivera
# 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)
# TODO: Documentation.
import feature ;
feature.feature mflags
:
: free ;
feature.feature mmflags
:
: free ;

20
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# Copyright 2017 Rene Rivera
# 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)
# TODO: Documentation.
import feature ;
feature.feature optimization
: off speed space
: propagated ;
feature.feature inlining
: off on full
: propagated ;
feature.feature vectorize
: off on full
: propagated ;

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# Copyright 2017 Rene Rivera
# 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)
# TODO: Documentation.
import feature ;
import modules ;
import os ;
.os-names =
aix android appletv bsd cygwin darwin freebsd haiku hpux iphone linux
netbsd openbsd osf qnx qnxnto sgi solaris unix unixware windows vms
# Not actually an OS -- used for targeting bare metal where object
# format is ELF. This catches both -elf and -eabi gcc targets as well
# as other compilers targeting ELF. It is not clear how often we need
# the 'elf' key as opposed to other bare metal targets, but let us
# stick with gcc naming.
elf
;
# Feature used to determine which OS we're on. New <target-os> and <host-os>
# features should be used instead.
local os = [ modules.peek : OS ] ;
feature.feature os : $(os) : propagated link-incompatible ;
# Translates from bjam current OS to the os tags used in host-os and
# target-os, i.e. returns the running host-os.
#
local rule default-host-os ( )
{
local host-os ;
if [ os.name ] in $(.os-names:U)
{
host-os = [ os.name ] ;
}
else
{
switch [ os.name ]
{
case NT : host-os = windows ;
case AS400 : host-os = unix ;
case MINGW : host-os = windows ;
case BSDI : host-os = bsd ;
case COHERENT : host-os = unix ;
case DRAGONFLYBSD : host-os = bsd ;
case IRIX : host-os = sgi ;
case HAIKU : host-os = haiku ;
case MACOSX : host-os = darwin ;
case KFREEBSD : host-os = freebsd ;
case LINUX : host-os = linux ;
case VMS : host-os = vms ;
case SUNOS :
ECHO
"SunOS is not a supported operating system."
"We believe last version of SunOS was released in 1992, "
"so if you get this message, something is very wrong with "
"configuration logic. Please report this as a bug. " ;
EXIT ;
case * : host-os = unix ;
}
}
return $(host-os:L) ;
}
# The two OS features define a known set of abstract OS names. The host-os is
# the OS under which bjam is running. Even though this should really be a fixed
# property we need to list all the values to prevent unknown value errors. Both
# set the default value to the current OS to account for the default use case of
# building on the target OS.
feature.feature host-os : $(.os-names) ;
feature.set-default host-os : [ default-host-os ] ;
feature.feature target-os : $(.os-names) : propagated link-incompatible ;
feature.set-default target-os : [ default-host-os ] ;

12
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# Copyright 2017 Rene Rivera
# 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)
# TODO: Documentation.
import feature ;
feature.feature rtti
: on off
: propagated ;

16
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# Copyright 2017 Rene Rivera
# 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)
# TODO: Documentation.
import feature ;
feature.feature runtime-link
: shared static
: propagated ;
feature.feature runtime-debugging
: on off
: propagated ;

13
src/tools/features/search-feature.jam Normal file
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@@ -0,0 +1,13 @@
# Copyright 2017 Rene Rivera
# 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)
# TODO: Documentation.
import feature ;
feature.feature search
:
: free path #order-sensitive
;

12
src/tools/features/source-feature.jam Normal file
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@@ -0,0 +1,12 @@
# Copyright 2017 Rene Rivera
# 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)
# TODO: Documentation.
import feature ;
feature.feature source
:
: free dependency incidental ;

12
src/tools/features/stdlib-feature.jam Normal file
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@@ -0,0 +1,12 @@
# Copyright 2017 Rene Rivera
# 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)
# TODO: Documentation.
import feature ;
feature.feature stdlib
: native
: propagated composite ;

19
src/tools/features/strip-feature.jam Normal file
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# Copyright 2017 Rene Rivera
# 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)
# Controls whether the binary should be stripped -- that is have
# everything not necessary to running removed. This option should
# not be very often needed.
#
# NOTE: Also, this feature will show up in
# target paths of everything, not just binaries.
#
# TODO: Should fix that when implementing feature relevance.
import feature ;
feature.feature strip
: off on
: propagated ;

12
src/tools/features/tag-feature.jam Normal file
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@@ -0,0 +1,12 @@
# Copyright 2017 Rene Rivera
# 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)
# TODO: Documentation.
import feature ;
feature.feature tag
:
: free ;

12
src/tools/features/threading-feature.jam Normal file
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@@ -0,0 +1,12 @@
# Copyright 2017 Rene Rivera
# 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)
# TODO: Documentation.
import feature ;
feature.feature threading
: single multi
: propagated ;

12
src/tools/features/toolset-feature.jam Normal file
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@@ -0,0 +1,12 @@
# Copyright 2017 Rene Rivera
# 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)
# TODO: Documentation.
import feature ;
feature.feature toolset
:
: implicit propagated symmetric ;

13
src/tools/features/user-interface-feature.jam Normal file
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@@ -0,0 +1,13 @@
# Copyright 2017 Rene Rivera
# 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)
# TODO: Documentation.
import feature ;
# Windows-specific feature?
feature.feature user-interface
: console gui wince native auto ;

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# Copyright 2017 Rene Rivera
# 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)
# TODO: Documentation.
import feature ;
import errors ;
import property ;
feature.feature variant
:
: implicit composite propagated symmetric ;
# Declares a new variant.
#
# First determines explicit properties for this variant, by refining parents'
# explicit properties with the passed explicit properties. The result is
# remembered and will be used if this variant is used as parent.
#
# Second, determines the full property set for this variant by adding to the
# explicit properties default values for all missing non-symmetric properties.
#
# Lastly, makes appropriate value of 'variant' property expand to the full
# property set.
#
rule variant ( name # Name of the variant
: parents-or-properties * # Specifies parent variants, if
# 'explicit-properties' are given, and
# explicit-properties or parents otherwise.
: explicit-properties * # Explicit properties.
)
{
local parents ;
if ! $(explicit-properties)
{
if $(parents-or-properties[1]:G)
{
explicit-properties = $(parents-or-properties) ;
}
else
{
parents = $(parents-or-properties) ;
}
}
else
{
parents = $(parents-or-properties) ;
}
# The problem is that we have to check for conflicts between base variants.
if $(parents[2])
{
errors.error "multiple base variants are not yet supported" ;
}
local inherited ;
# Add explicitly specified properties for parents.
for local p in $(parents)
{
# TODO: This check may be made stricter.
if ! [ feature.is-implicit-value $(p) ]
{
errors.error "Invalid base variant" $(p) ;
}
inherited += $(.explicit-properties.$(p)) ;
}
property.validate $(explicit-properties) ;
explicit-properties = [ property.refine $(inherited)
: $(explicit-properties) ] ;
# Record explicitly specified properties for this variant. We do this after
# inheriting parents' properties so they affect other variants derived from
# this one.
.explicit-properties.$(name) = $(explicit-properties) ;
feature.extend variant : $(name) ;
feature.compose <variant>$(name) : $(explicit-properties) ;
}
IMPORT $(__name__) : variant : : variant ;

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# Copyright 2017 Rene Rivera
# 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)
# TODO: Documentation.
import feature ;
feature.feature version
:
: free ;

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@@ -0,0 +1,21 @@
# Copyright 2017 Rene Rivera
# 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)
# TODO: Documentation.
import feature ;
feature.feature warnings
:
on # Enable default/"reasonable" warning level for the tool.
all # Enable all possible warnings issued by the tool.
off # Disable all warnings issued by the tool.
: incidental propagated ;
feature.feature warnings-as-errors
:
off # Do not fail the compilation if there are warnings.
on # Fail the compilation if there are warnings.
: incidental propagated ;

2
src/tools/python.jam
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@@ -561,7 +561,7 @@ toolset.flags python.capture-output PYTHON : <python.interpreter> ;
# Support for Python configured --with-pydebug
#
feature.feature python-debugging : off on : propagated ;
builtin.variant debug-python : debug : <python-debugging>on ;
variant debug-python : debug : <python-debugging>on ;
# Return a list of candidate commands to try when looking for a Python