Update of /cvsroot/boost/boost/tools/build/v2/util
In directory sc8-pr-cvs3.sourceforge.net:/tmp/cvs-serv29418/tools/build/v2/util
Modified Files:
Tag: bbv2python
os.jam
Log Message:
python.jam:
* fix cross-NT/CYGWIN build support
* add condition to the build requirements of the python targets
os.jam:
* add the ability to get constants for a particular OS
builtin.jam:
* remove "optional" attribute from host-os
* fix confusing indents
Index: os.jam
===================================================================
RCS file: /cvsroot/boost/boost/tools/build/v2/util/os.jam,v
retrieving revision 1.12.4.2.2.1
retrieving revision 1.12.4.2.2.2
diff -u -d -r1.12.4.2.2.1 -r1.12.4.2.2.2
--- os.jam 8 Mar 2007 15:56:58 -0000 1.12.4.2.2.1
+++ os.jam 15 Mar 2007 03:29:09 -0000 1.12.4.2.2.2
@@ -18,21 +18,22 @@
.platform = [ modules.peek : OSPLAT ] ;
.version = [ modules.peek : OSVER ] ;
-local rule constant ( c )
+local rule constant ( c : os ? )
{
+ os ?= $(.name) ;
# First look for platform-specific name, then general value
- local variables = .$(c)-$(.name) .$(c) ;
+ local variables = .$(c)-$(os) .$(c) ;
local result = $($(variables)) ;
return $(result[1]) ;
}
-rule get-constant ( )
+rule get-constant ( os ? )
{
# Find the name of the constant being accessed, which is
# equal to the name used to invoke us.
local bt = [ BACKTRACE 1 ] ;
local rulename = [ MATCH ([^.]*)$ : $(bt[4]) ] ;
- return [ constant $(rulename) ] ;
+ return [ constant $(rulename) : $(os) ] ;
}
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