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| author | Paul Eggert <eggert@cs.ucla.edu> | 2020-07-15 13:29:29 -0700 |
|---|---|---|
| committer | Paul Eggert <eggert@cs.ucla.edu> | 2020-07-15 13:30:56 -0700 |
| commit | d45c2e2f5b8af08c1d0fe3164612a6d2057ea112 (patch) | |
| tree | 9379836b507d1938c805dad895a187f0598924d2 | |
| parent | e70c99a92f3d01999565aa6ba0ab95df9df92fe4 (diff) | |
| download | autoconf-d45c2e2f5b8af08c1d0fe3164612a6d2057ea112.tar.gz | |
Revert mistaken patch for Bison
Problem reported by Bruno Haible in:
https://savannah.gnu.org/support/?110266
* lib/autoconf/programs.m4 (AC_PROG_YACC):
Go back to using bison -y instead of bison -o y.tab.c.
| -rw-r--r-- | NEWS | 4 | ||||
| -rw-r--r-- | doc/autoconf.texi | 2 | ||||
| -rw-r--r-- | lib/autoconf/programs.m4 | 4 |
3 files changed, 3 insertions, 7 deletions
@@ -104,10 +104,6 @@ GNU Autoconf NEWS - User visible changes. - AC_PROG_CC_STDC, AC_PROG_CC_C89, AC_PROG_CC_C99 have been marked as obsolete. Applications should use AC_PROG_CC. -- AC_PROG_YACC now uses 'bison -o y.tab.c' instead of 'bison -y', so that - by default it no longer warns about Bison extensions. Add -Wyacc to - YFLAGS to enable these warnings. - - AC_USE_SYSTEM_EXTENSIONS now enables more extensions on HP-UX, macOS, and MINIX, as well as on systems conforming to recent ISO/IEC C technical reports and specifications. diff --git a/doc/autoconf.texi b/doc/autoconf.texi index 64129db2..c8d3cb6c 100644 --- a/doc/autoconf.texi +++ b/doc/autoconf.texi @@ -4287,7 +4287,7 @@ and is cached in the @code{ac_cv_path_SED} variable. @ovindex YACC @caindex prog_YACC If @code{bison} is found, set output variable @code{YACC} to @samp{bison --o y.tab.c}. Otherwise, if @code{byacc} is found, set @code{YACC} to +-y}. Otherwise, if @code{byacc} is found, set @code{YACC} to @samp{byacc}. Otherwise set @code{YACC} to @samp{yacc}. The result of this test can be influenced by setting the variable @code{YACC} or the cache variable @code{ac_cv_prog_YACC}. diff --git a/lib/autoconf/programs.m4 b/lib/autoconf/programs.m4 index 9deb62e8..43f3b14e 100644 --- a/lib/autoconf/programs.m4 +++ b/lib/autoconf/programs.m4 @@ -899,10 +899,10 @@ AN_PROGRAM([yacc], [AC_PROG_YACC]) AN_PROGRAM([byacc], [AC_PROG_YACC]) AN_PROGRAM([bison], [AC_PROG_YACC]) AC_DEFUN([AC_PROG_YACC], -[AC_CHECK_PROGS(YACC, 'bison -o y.tab.c' byacc, yacc)dnl +[AC_CHECK_PROGS(YACC, 'bison -y' byacc, yacc)dnl AC_ARG_VAR(YACC, [The `Yet Another Compiler Compiler' implementation to use. Defaults to -the first program found out of: `bison -o y.tab.c', `byacc', `yacc'.])dnl +the first program found out of: `bison -y', `byacc', `yacc'.])dnl AC_ARG_VAR(YFLAGS, [The list of arguments that will be passed by default to $YACC. This script will default YFLAGS to the empty string to avoid a default value of `-d' given |