How exactly can I use "actions together" to batch
compile files?
I have made a very simple tool definition to try out this
feature:
-------
import feature ;
feature.extend toolset : mytool ;
rule init ( version ? : command * : options * )
{
}
generators.register-c-compiler mytool.compile.c++ : CPP :
OBJ :
<toolset>mytool ;
generators.register-linker mytool.link : OBJ : EXE :
<toolset>mytool ;
rule compile.c++ ( targets + : sources * : properties * )
{
}
rule link ( targets + : sources * : properties * )
{
}
actions together compile.c++
{
copy $(>) $(<)
}
actions link
{
copy $(>[1]) $(<)
}
-------
If I invoked bjam on a Jamroot with the content:
exe foo : foo1.cpp foo2.cpp foo3.cpp ;
I would expect "actions compile.c++" to be invoked
with $(>) = foo1.cpp
foo2.cpp foo3.cpp. But it isn't! Instead, the action is
invoked three times,
once for each input file.
Is this broken? Or am I doing it wrong?
This feature is becoming more important to my project, as
the compiler I'm
using must check out a license each time it's invoked, and
the license check
takes forever over the network. I wanted to batch-build the
files so that I
can check the license out _once_ and compile all the files
together (at
least all the files with the same flags).
-dr
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