diff options
| author |  herbelin <herbelin@85f007b7-540e-0410-9357-904b9bb8a0f7> | 2009-10-04 10:50:39 +0000 |
|---|---|---|
| committer | herbelin <herbelin@85f007b7-540e-0410-9357-904b9bb8a0f7> | 2009-10-04 10:50:39 +0000 |
| commit | 3b57619bd5dc164dcb51ad4fb390efd258940917 (patch) | |
| tree | a86ebb8f52443374966b496de5b361166c4ed02d /tactics/tauto.ml4 | |
| parent | 88909c92cad0044dac83539b2b3d385242ed851e (diff) | |
Changed the way to support compatibility with previous versions.
Compatibility version is now a global parameter that every feature can
individually browse. This avoids having to keep the names of options
synchronous in their respective files and in now-removed file coqcompat.ml.
git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@12372 85f007b7-540e-0410-9357-904b9bb8a0f7
Diffstat (limited to 'tactics/tauto.ml4')
| -rw-r--r-- | tactics/tauto.ml4 | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/tactics/tauto.ml4 b/tactics/tauto.ml4 index 6fea98377..60baa017c 100644 --- a/tactics/tauto.ml4 +++ b/tactics/tauto.ml4 @@ -49,6 +49,8 @@ let strict_unit = false (* Whether inner iff are unfolded *) let iff_unfolding = ref false +let unfold_iff () = !iff_unfolding || Flags.version_less_or_equal Flags.V8_2 + open Goptions let _ = declare_bool_option @@ -256,7 +258,7 @@ let rec tauto_intuit t_reduce solver ist = ) >> let reduction_not _ist = - if !iff_unfolding then + if unfold_iff () then <:tactic< unfold Coq.Init.Logic.not, Coq.Init.Logic.iff in * >> else <:tactic< unfold Coq.Init.Logic.not in * >> |