[Scons-users] Listing all dependent headers?

[andreas.ames at de.transport.bombardier.com]

Hi Andrew, 

scons-users-bounces at scons.org schrieb am 22.10.2013 00:13:23:


> What is the right way to accomplish this?


I would probably create a C file with no other content than including 
client.h.

/* test_client.c */

#include "client.h"

Then I would build a static and/or a shared object (depending on what your 
users are allowed to do with it) from test_client.c.

If you define a builder that takes the resulting object file(s) as 
input(s) you can walk the dependency tree of the object file(s) and select 
your headers.  This has the additional advantage of making sure that 
client.h compiles standalone.

If you use conditional compilation in client.h or its dependencies (which 
may be controlled by the users) you may have to build several flavours of 
test_client.o (in the extreme: all permutations of supported compiler 
conditions).


HTH,

aa

  
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