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-rw-r--r--doc/Makefile.in2
1 files changed, 1 insertions, 1 deletions
diff --git a/doc/Makefile.in b/doc/Makefile.in
index 0aa592ecb..39a62402c 100644
--- a/doc/Makefile.in
+++ b/doc/Makefile.in
@@ -446,7 +446,7 @@ check-texinfo:
fail=0; \
grep timezone $(srcdir)/*.texi && fail=1; \
grep '\$$@"' $(srcdir)/*.texi && fail=1; \
- $(PERL) -e 1 && { $(PERL) -ne \
+ $(PERL) -e 1 2> /dev/null && { $(PERL) -ne \
'/\bPOSIX\b/ && !/\@acronym{POSIX}/ && !/^\* / || /{posix}/ and print,exit 1' \
$(srcdir)/*.texi 2> /dev/null || fail=1; }; \
exit $$fail