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trace: switch to modular code generation for sub-directories

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Introduce rules in the top level Makefile that are able to generate
trace.[ch] files in every subdirectory which has a trace-events file.

The top level directory is handled specially, so instead of creating
trace.h, it creates trace-root.h. This allows sub-directories to
include the top level trace-root.h file, without ambiguity wrt to
the trace.g file in the current sub-dir.

Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Signed-off-by: Daniel P. Berrange <berrange@redhat.com>
Message-id: 20170125161417.31949-7-berrange@redhat.com
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
This commit is contained in:
Daniel P. Berrange
2017-01-25 16:14:15 +00:00
committed by Stefan Hajnoczi
parent 2098c56a9b
commit 0ab8ed18a6
44 changed files with 283 additions and 209 deletions
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7
scripts/tracetool/backend/ust.py
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@ -20,8 +20,13 @@ PUBLIC = True
def generate_h_begin(events, group):
if group == "root":
header = "trace-ust-root.h"
else:
header = "trace-ust.h"
out('#include <lttng/tracepoint.h>',
'#include "trace/generated-ust-provider.h"',
'#include "%s"' % header,
'')