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Reduce the number of calls to the PWD builtin.

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[SVN r31139]
This commit is contained in:
Vladimir Prus
2005-09-28 13:27:47 +00:00
parent 7af049ac8f
commit 353359d5b0
1 changed files with 6 additions and 4 deletions
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10
v2/kernel/modules.jam
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@@ -205,6 +205,9 @@ local rule normalize-raw-paths ( paths * )
return $(result) ;
}
.cwd = [ PWD ] ;
# load the indicated module and import rule names into the current
# module. Any members of rules-opt will be available without
# qualification in the caller's module. Any members of rename-opt will
@@ -238,18 +241,17 @@ rule import ( module-names + : rules-opt * : rename-opt * )
# if the importing module isn't already in the BOOST_BUILD_PATH,
# prepend it to the path. We don't want to invert the search
# order of modules that are already there.
local cwd = [ PWD ] ;
local caller-location ;
if $(caller)
{
caller-location = [ binding $(caller) ] ;
caller-location = $(caller-location:D) ;
caller-location = [ normalize-raw-paths $(caller-location:R=$(cwd)) ] ;
caller-location = [ normalize-raw-paths $(caller-location:R=$(.cwd)) ] ;
}
local search = [ peek : BOOST_BUILD_PATH ] ;
search = [ normalize-raw-paths $(search:R=$(cwd)) ] ;
search = [ normalize-raw-paths $(search:R=$(.cwd)) ] ;
if $(caller-location) && ! $(caller-location) in $(search)
{