[PATCH 5/5] doc: filter out doc generation spam

[Keith Packard]

Julien Cristau <jcristau at debian.org> writes:

> That means we now ignore the return value from xmlto, and only look at
> that of grep.  I'm not sure that's what we want.

How about this instead? This captures the xmlto exit status and routes
it around the error message filtering.

diff --git a/devbook.am b/devbook.am
index 400b2ca..983cc98 100644
--- a/devbook.am
+++ b/devbook.am
@@ -46,9 +46,10 @@ XMLTO_FO_FLAGS =                                     \
 
 noinst_DATA += $(docbook:.xml=.pdf) $(docbook:.xml=.ps)
 %.pdf: %.xml $(chapters)
-       $(AM_V_GEN)$(XMLTO) $(XMLTO_FO_FLAGS) --with-fop pdf $<
+       $(AM_V_GEN)(((($(XMLTO) $(XMLTO_FO_FLAGS) --with-fop pdf $< 2>&1; echo $$? >&3) | grep -v 'overflows' | grep -v Rendered >&4) 3>&1) | (read status; exit $$status)) 4>&1
+
 %.ps: %.xml $(chapters)
-       $(AM_V_GEN)$(XMLTO) $(XMLTO_FO_FLAGS) --with-fop ps $<
+       $(AM_V_GEN)(((($(XMLTO) $(XMLTO_FO_FLAGS) --with-fop ps $< 2>&1; echo $$? >&3) | grep -v 'overflows' | grep -v Rendered >&4) 3>&1) | (read status; exit $$status)) 4>&1
 endif HAVE_FOP
 endif HAVE_STYLESHEETS
 
-- 
keith.packard at intel.com
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