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Add support for toolset requirements at the definition level.

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[SVN r44166]
This commit is contained in:
Rene Rivera
2008-04-11 05:36:28 +00:00
parent 23cf7db67e
commit 6affa2ddcc
1 changed files with 17 additions and 2 deletions
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19
v2/tools/common.jam
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@@ -145,10 +145,11 @@ class configurations
# extend it with all the values.
#
# The return value from this rule is a condition to be used for flags settings.
rule check-init-parameters ( toolset : * )
rule check-init-parameters ( toolset requirement * : * )
{
local sig = $(toolset) ;
local condition = <toolset>$(toolset) ;
local subcondition ;
for local index in 2 3 4 5 6 7 8 9
{
local name = $($(index)[1]) ;
@@ -185,6 +186,7 @@ rule check-init-parameters ( toolset : * )
.had-value.$(toolset).$(name) = true ;
}
feature.extend-subfeature toolset $(t) : $(name) : $(value) ;
subcondition += <toolset-$(t):$(name)>$(value) ;
}
else
{
@@ -218,12 +220,25 @@ rule check-init-parameters ( toolset : * )
}
.all-signatures += $(sig) ;
.init-loc.$(sig) = [ errors.nearest-user-location ] ;
# If we have a requirment, this version should only be applied under that
# condition. To accomplish this we add a toolset requirement that imposes the toolset
# subcondition, which encodes the version.
if $(requirement)
{
local r = <toolset>$(toolset) $(requirement) ;
toolset.add-requirements $(r:J=,):$(subcondition:J=/) ;
}
# We add the requirements, if any, to the condition to scope the toolset
# variables and options to this specific version.
condition += $(requirement) ;
if $(.show-configuration)
{
ECHO notice: $(condition) ;
}
return $(condition) ;
return $(condition:J=/) ;
}