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a200b197
Commit
a200b197
authored
Jul 09, 2013
by
Philip Carns
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add missing m4 files
parent
190b295c
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m4/ax_prog_bison.m4
m4/ax_prog_bison.m4
+68
-0
m4/ax_prog_bison_clfeatures.m4
m4/ax_prog_bison_clfeatures.m4
+121
-0
m4/ax_prog_flex.m4
m4/ax_prog_flex.m4
+62
-0
No files found.
m4/ax_prog_bison.m4
0 → 100755
View file @
a200b197
# ===========================================================================
# http://www.nongnu.org/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>
#
# 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.
AC_DEFUN([AX_PROG_BISON], [
AC_REQUIRE([AC_PROG_YACC])
AC_REQUIRE([AC_PROG_SED])
AC_CACHE_CHECK([if bison is the parser generator],[ax_cv_prog_bison],[
AS_IF([test "`echo \"$YACC\" | $SED 's,^.*\(bison\).*$,\1,'`" = "bison" ],[
ax_cv_prog_bison=yes
],[
ax_cv_prog_bison=no
])
])
AC_DEFINE([HAVE_YACC_OLD_PUSH],[0],[If old-style push parser syntax is supported by ${YACC}])
AM_CONDITIONAL([HAVE_YACC_OLD_PUSH],[test "x${HAVE_YACC_OLD_PUSH}" == "x1"])
AC_DEFINE([HAVE_YACC_OLD_PURE],[0],[If old-style pure reentrant parser syntax is supported by ${YACC}])
AM_CONDITIONAL([HAVE_YACC_OLD_PURE],[test "x${HAVE_YACC_OLD_PURE}" == "x1"])
AS_IF([test "$ax_cv_prog_bison" = yes],[
:
$1
],[
:
$2
])
])
m4/ax_prog_bison_clfeatures.m4
0 → 100755
View file @
a200b197
AC_DEFUN([AX_PROG_BISON_CLFEATURES], [
AC_REQUIRE([AC_PROG_YACC])
AC_REQUIRE([AC_PROG_SED])
AC_CACHE_CHECK([if bison is the parser generator],[ax_cv_prog_bison],[
AS_IF([test "`echo \"$YACC\" | $SED 's,^.*\(bison\).*$,\1,'`" = "bison" ],[
ax_cv_prog_bison=yes
],[
ax_cv_prog_bison=no
])
])
cat > conftest.y <<ACEOF
%pure-parser
%token FIRST_TOK
%token LAST_TOK
%start top
%%
top: FIRST_TOK LAST_TOK
%%
ACEOF
# set up some common variables for testing:
ac_cv_prog_yacc_root="y.tab"
ac_compile_yacc='$CC -c $CFLAGS $CPPFLAGS $ac_cv_prog_yacc_root.c >&5'
HAVE_YACC_OLD_PURE=
HAVE_YACC_OLD_PUSH=
AC_MSG_CHECKING([if ${YACC} supports pure / reentrant paser features])
if $YACC -d -t -v conftest.y > /dev/null 2>&1 && eval "$ac_compile_yacc"
then
AC_SUBST([CODES_PURE_PARSER_DEFINES], ["%pure-parser"])
AC_MSG_RESULT([old-style])
$3
else
cat > conftest.y <<ACEOF
%define api.pure
%token FIRST_TOK
%token LAST_TOK
%start top
%%
top: FIRST_TOK LAST_TOK
%%
ACEOF
# set up some common variables for testing:
ac_cv_prog_yacc_root="y.tab"
ac_compile_yacc='$CC -c $CFLAGS $CPPFLAGS $ac_cv_prog_yacc_root.c >&5'
if $YACC -d -t -v conftest.y > /dev/null 2>&1 && eval "$ac_compile_yacc"
then
AC_SUBST([CODES_PURE_PARSER_DEFINES], ["%define api.pure"])
AC_MSG_RESULT([new-style])
$3
else
AC_MSG_RESULT([feature not supported])
BVER=`${YACC} --version | head -n 1`
AC_MSG_WARN([${BVER} does not support pure / reentrant parser generation])
$4
fi
fi
cat > conftest.y <<ACEOF
%define api.push_pull "push"
%token FIRST_TOK
%token LAST_TOK
%start top
%%
top: FIRST_TOK LAST_TOK
%%
ACEOF
# set up some common variables for testing:
ac_cv_prog_yacc_root="y.tab"
ac_compile_yacc='$CC -c $CFLAGS $CPPFLAGS $ac_cv_prog_yacc_root.c >&5'
AC_MSG_CHECKING([if ${YACC} supports push parser features])
if $YACC -d -t -v conftest.y > /dev/null 2>&1 && eval "$ac_compile_yacc"
then
AC_SUBST([CODES_PUSH_PARSER_DEFINES], ["%define api.push_pull \"push\""])
AC_MSG_RESULT([old-style])
$3
else
cat > conftest.y <<ACEOF
%define api.push-pull push
%token FIRST_TOK
%token LAST_TOK
%start top
%%
top: FIRST_TOK LAST_TOK
%%
ACEOF
# set up some common variables for testing:
ac_cv_prog_yacc_root="y.tab"
ac_compile_yacc='$CC -c $CFLAGS $CPPFLAGS $ac_cv_prog_yacc_root.c >&5'
if $YACC -d -t -v conftest.y > /dev/null 2>&1 && eval "$ac_compile_yacc"
then
AC_SUBST([CODES_PUSH_PARSER_DEFINES], ["%define api.push-pull push"])
AC_MSG_RESULT([new-style])
$3
else
AC_MSG_RESULT([feature not supported])
BVER=`${YACC} --version | head -n 1`
AC_MSG_WARN([${BVER} does not support push parser generation])
$4
fi
fi
AS_IF([test "$ax_cv_prog_bison" = yes],[
:
$1
],[
:
$2
])
# cleanup bison / yacc tmp files
rm -rf y.output y.tab.h y.tab.c y.tab.o
])
m4/ax_prog_flex.m4
0 → 100755
View file @
a200b197
# ===========================================================================
# http://www.nongnu.org/autoconf-archive/ax_prog_flex.html
# ===========================================================================
#
# SYNOPSIS
#
# AX_PROG_FLEX(ACTION-IF-TRUE,ACTION-IF-FALSE)
#
# DESCRIPTION
#
# Check whether flex is the scanner generator. Run ACTION-IF-TRUE if
# successful, ACTION-IF-FALSE otherwise
#
# LICENSE
#
# Copyright (c) 2009 Francesco Salvestrini <salvestrini@users.sourceforge.net>
#
# 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.
AC_DEFUN([AX_PROG_FLEX], [
AC_REQUIRE([AC_PROG_LEX])
AC_REQUIRE([AC_PROG_SED])
AC_CACHE_CHECK([if flex is the lexer generator],[ax_cv_prog_flex],[
AS_IF([test "`echo \"$LEX\" | $SED 's,^.*\(flex\).*$,\1,'`" = "flex"],[
ax_cv_prog_flex=yes
],[
ax_cv_prog_flex=no
])
])
AS_IF([test "$ax_cv_prog_flex" = yes],[
:
$1
],[
:
$2
])
])
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