ignore errors with txt doc building

git-svn-id: svn://svn.oetiker.ch/rrdtool/trunk/program@1260 a5681a0c-68f1-0310-ab6d-d61299d08faa

diff --git a/doc/Makefile.am b/doc/Makefile.am
index 70f456c..7396231 100644 (file)
--- a/doc/Makefile.am
+++ b/doc/Makefile.am
@@ -39,7 +39,7 @@ all-local: link txt man html-local
        perl -n -e 'if (/^=include\s+(\S+)/){open F,"$$1.inc" || die $$?;print <F>; close F} else {print}'  $<  > $@
 
 .pod.1 .pm.1 .pl.1:
-       pod2man --release=$(VERSION) --center=rrdtool $<  > $@
+       -pod2man --release=$(VERSION) --center=rrdtool $<  > $@
 
 .1.txt:
        GROFF_NO_SGR=1 @NROFF@ -man -Tlp $< > $@
@@ -48,7 +48,7 @@ all-local: link txt man html-local
        @TROFF@ -man $< | ps2pdf - $@
 
 .pm.html .pod.html .pl.html:
-       pod2html --infile=$< --outfile=$@ --noindex --htmlroot=. --podpath=. --title=$*
+       -pod2html --infile=$< --outfile=$@ --noindex --htmlroot=. --podpath=. --title=$*
 
 RRDs.pod:
        $(LN_S) $(top_srcdir)/bindings/perl-shared/RRDs.pm RRDs.pod