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c++: always issue the "generated by" message

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Some users rely on this sentence to know that the file can be ignored.
Reported by Alexandre Duret-Lutz.

* data/bison.m4 (b4_generated_by): New.
(b4_copyright): Use it.
* data/location.cc, data/stack.hh: Use it too, for the stub files
(position.hh and stack.hh).
This commit is contained in:
Akim Demaille
2018-10-29 18:44:54 +01:00
parent c8512e09e7
commit bd0cf11e00
3 changed files with 9 additions and 2 deletions
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9
data/bison.m4
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@@ -22,12 +22,17 @@
## Identification. ##
## ---------------- ##
# b4_generated_by
# ---------------
m4_define([b4_generated_by],
[b4_comment([A Bison parser, made by GNU Bison b4_version.])
])
# b4_copyright(TITLE, [YEARS])
# ----------------------------
# If YEARS are not defined, use b4_copyright_years.
m4_define([b4_copyright],
[b4_comment([A Bison parser, made by GNU Bison b4_version.])
[b4_generated_by
b4_comment([$1
]m4_dquote(m4_text_wrap([Copyright (C)