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| -rw-r--r-- | Makefile | 7 |
1 files changed, 7 insertions, 0 deletions
@@ -100,6 +100,13 @@ $(SRCDIR)/case_fold_switch.inc: $(DATADIR)/CaseFolding-3.2.0.txt # We include scanners.c in the repository, so this shouldn't # normally need to be generated. $(SRCDIR)/scanners.c: $(SRCDIR)/scanners.re + @case "$$(re2c -v)" in \ + *\ 0.13.7*|*\ 0.14*) \ + echo $$(re2c -v) is known to produce buggy code.; \ + echo Try version 0.13.6 or below.; \ + false; \ + ;; \ + esac re2c --case-insensitive -b -i --no-generation-date -o $@ $< update-spec: |