Delete autotools

[mesa.git] / m4 / ax_prog_bison.m4

diff --git a/m4/ax_prog_bison.m4 b/m4/ax_prog_bison.m4
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--- a/m4/ax_prog_bison.m4
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@@ -1,71 +0,0 @@
-# ===========================================================================
-#       http://www.gnu.org/software/autoconf-archive/ax_prog_bison.html
-# ===========================================================================
-#
-# SYNOPSIS
-#
-#   AX_PROG_BISON(ACTION-IF-TRUE,ACTION-IF-FALSE)
-#
-# DESCRIPTION
-#
-#   Check whether bison is the parser generator. Run ACTION-IF-TRUE if
-#   successful, ACTION-IF-FALSE otherwise
-#
-# LICENSE
-#
-#   Copyright (c) 2009 Francesco Salvestrini <salvestrini@users.sourceforge.net>
-#   Copyright (c) 2010 Diego Elio Petteno` <flameeyes@gmail.com>
-#
-#   This program is free software; you can redistribute it and/or modify it
-#   under the terms of the GNU General Public License as published by the
-#   Free Software Foundation; either version 2 of the License, or (at your
-#   option) any later version.
-#
-#   This program is distributed in the hope that it will be useful, but
-#   WITHOUT ANY WARRANTY; without even the implied warranty of
-#   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General
-#   Public License for more details.
-#
-#   You should have received a copy of the GNU General Public License along
-#   with this program. If not, see <http://www.gnu.org/licenses/>.
-#
-#   As a special exception, the respective Autoconf Macro's copyright owner
-#   gives unlimited permission to copy, distribute and modify the configure
-#   scripts that are the output of Autoconf when processing the Macro. You
-#   need not follow the terms of the GNU General Public License when using
-#   or distributing such scripts, even though portions of the text of the
-#   Macro appear in them. The GNU General Public License (GPL) does govern
-#   all other use of the material that constitutes the Autoconf Macro.
-#
-#   This special exception to the GPL applies to versions of the Autoconf
-#   Macro released by the Autoconf Archive. When you make and distribute a
-#   modified version of the Autoconf Macro, you may extend this special
-#   exception to the GPL to apply to your modified version as well.
-
-#serial 9
-
-# mattst88:
-#     Modified YACC assignment to remove -o y.tab.c since we're writing
-#     our own .y/.yy rules.
-#
-#     Replaced m4_ifnblank(...) with m4_ifval(m4_normalize(...), ...)
-#     since m4_ifnblank requires autoconf-2.64.
-
-AC_DEFUN([AX_PROG_BISON], [
-  AC_REQUIRE([AC_PROG_YACC])
-  AC_REQUIRE([AC_PROG_EGREP])
-
-  AC_CACHE_CHECK([if bison is the parser generator],[ax_cv_prog_bison],[
-    AS_IF([$YACC --version 2>/dev/null | $EGREP -q '^bison '],
-      [ax_cv_prog_bison=yes], [ax_cv_prog_bison=no])
-  ])
-  AS_IF([test "$ax_cv_prog_bison" = "yes"], [
-      dnl replace the yacc-compatible compiler with the real bison, as
-      dnl otherwise autoconf limits us to the POSIX yacc.
-      dnl We also change the generated filename to the old one, so that
-      dnl automake's ylwrap can deal with it.
-      YACC="${YACC% -y}"
-    ] m4_ifval(m4_normalize([$1]), [[$1]]),
-    m4_ifval(m4_normalize([$2]), [[$2]])
-  )
-])