stage rules and suffix handling

From: Andre Hentz (ahentz_at_[hidden])
Date: 2004-04-04 16:08:45

I've tried to used the stage rules to copy some required libraries into 
the installation directory. My first attempt was:

stage crypto : $(tools-lib-dir)/libcrypto.so
: <location>$(dist-dir)/lib/core
<name>libcrypto.so.0.9.7
;

which doesn't work because the target file name gets translated into 
libcrypto.so.0.9.7.so (note the extra .so in the file name). In this 
case, I could carefully change the file names and get it to work. 
However, I thought it would be nice to be able to disable the suffix 
replacement mechanism.

Please find attached a patch to add a <replace-suffix> property to stage 
targets. You may want to choose a better name for this property.

Best,

Andre Hentz

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Index: stage.jam
===================================================================
RCS file: /cvsroot/boost/boost/tools/build/v2/tools/stage.jam,v
retrieving revision 1.35
diff -u -r1.35 stage.jam
--- stage.jam	31 Mar 2004 06:53:56 -0000	1.35
+++ stage.jam	4 Apr 2004 20:13:04 -0000
@@ -60,6 +60,7 @@

feature.feature <traverse-dependencies> : off on : incidental ;
feature.feature <include-type> : : free incidental ;
+feature.feature <replace-suffix> : on off : free incidental ;

class stage-target-class : basic-target
{
@@ -106,8 +107,16 @@
n = $(name) ;
}

- targets = [ new file-target $(n:D=) : [ $(source).type ] 
- : $(self.project) ] ;
+ if [ $(property-set).get <replace-suffix> ] = "off"
+ {
+ targets = [ new file-target $(n:D=) :
+ : $(self.project) ] ;
+ }
+ else
+ {
+ targets = [ new file-target $(n:D=) : [ $(source).type ]
+ : $(self.project) ] ;
+ }
local a = [ $(source).action ] ;
local new-a ;
if $(a)
@@ -120,7 +129,10 @@
{
new-a = [ new action $(targets) : $(source) : common.copy ] ;
} 
- $(targets).suffix [ $(source).suffix ] ;
+ if [ $(property-set).get <replace-suffix> ] != "off"
+ {
+ $(targets).suffix [ $(source).suffix ] ;
+ }
$(targets).action $(new-a) ;

return $(targets) ;
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added <replace-suffix>on/off to stage rules
* v2/stage.jam
(construct-regular-targets): if replace-suffix is off, target
doesn't inherit type and suffix from source.

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