build: add configure flag for metadata handlers

Error metadata handlers are compiled based on a specific compile flag
(-DPROCESS_META), which in turn is set if a configure flag is enabled
(--enable-metadata-processing).

Change-Id: I77319f38cfd219bb831f9a3ee731441211e7bb9b
Signed-off-by: Deepak Kodihalli <dkodihal@in.ibm.com>
1 file changed