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all: display a clear warning about private macros

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* data/bison.m4 (b4_disclaimer): New.
* data/glr.c, data/glr.cc, data/lalr1.cc, data/yacc.c: Use it.
This commit is contained in:
Akim Demaille
2018-10-21 19:10:41 +02:00
parent ba29791773
commit 73917e9e6f
8 changed files with 49 additions and 24 deletions
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13
data/bison.m4
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@@ -58,7 +58,18 @@ Bison output files to be licensed under the GNU General Public
License without this special exception.
This special exception was added by the Free Software Foundation in
version 2.2 of Bison.])])
version 2.2 of Bison.])
])
# b4_disclaimer
# -------------
# Issue a warning about private implementation details.
m4_define([b4_disclaimer],
[b4_comment([Undocumented macros, especially those whose name start with YY_,
are private implementation details. Do not rely on them.])
])
# b4_required_version_if(VERSION, IF_NEWER, IF_OLDER)