The regex in gnulib checks if @xref is at the beginning
of a sentence, amongst other things.
Since we do not use Texinfo and the regex takes almost twice
as much as the rest of our checks, use a custom regex without
the @xref chcecks.
---
I do not know whether the gnulib regex can be optimized:
bad_xref_re_ ?= (?:[\w,:;] +|(?:see|also)\s+)\@xref\{
bad_pxref_re_ ?= (?:[.!?]|(?:see|also))\s+\@pxref\{
prohibit_undesirable_word_seq_RE_ ?= \
/(?:\bcan\s+not\b|$(bad_xref_re_)|$(bad_pxref_re_))/gims
Either way, we do not need to check for xref in libvirt.
cfg.mk | 5 +++++
1 file changed, 5 insertions(+)
diff --git a/cfg.mk b/cfg.mk
index 2939458..e7db9a6 100644
--- a/cfg.mk
+++ b/cfg.mk
@@ -1299,3 +1299,8 @@ exclude_file_name_regexp--sc_prohibit_dt_without_code = \
exclude_file_name_regexp--sc_prohibit_always-defined_macros = \
^tests/virtestmock.c$$
+
+# gnulib's CPU-hungry regex also checks if @xref starts a sequence
+# Use a custom regex since we do not use Texinfo
+prohibit_undesirable_word_seq_RE_ = \
+ /(?:\bcan\s+not\b)/gims
--
2.7.3
--
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