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build: avoid YACC typo inherited from Autoconf.

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The typo shows up in the `configure --help' output.  Reported by
W.C.A. Wijngaards and Paul Eggert at
<http://lists.gnu.org/archive/html/bug-bison/2011-07/msg00000.html>.
* README-hacking (Release Procedure): Remind about updating
maintainer tools before a release.
* THANKS (W.C.A. Wijngaards): Add.
* configure.ac (AC_PREREQ): Set to 2.68, which fixes the YACC
typo.
This commit is contained in:
Joel E. Denny
2011-07-10 13:42:12 -04:00
parent abd189e8dc
commit 845346b3bb
4 changed files with 19 additions and 2 deletions
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6
configure.ac
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@@ -17,8 +17,10 @@
# In order for some versions of Sun Studio to compile our C++ test cases
# correctly, we need Autoconf 2.64 or better to handle the restrict
# keyword in at least string.h from gnulib.
AC_PREREQ(2.64)
# keyword in at least string.h from gnulib. We need Autoconf 2.68 or
# better to avoid a typo in the `configure --help' entry for the YACC
# environment variable.
AC_PREREQ(2.68)
AC_INIT([GNU Bison],
m4_esyscmd([build-aux/git-version-gen .tarball-version]),