configure

Bison语法分析器

fi

echo $ac_n "checking for alloca""... $ac_c" 1>&6
echo "configure:1750: checking for alloca" >&5
if eval "test \"`echo '$''{'ac_cv_func_alloca_works'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
else
  cat > conftest.$ac_ext <<EOF
#line 1755 "configure"
#include "confdefs.h"

#ifdef __GNUC__
# define alloca __builtin_alloca
#else
# ifdef _MSC_VER
#  include <malloc.h>
#  define alloca _alloca
# else
#  if HAVE_ALLOCA_H
#   include <alloca.h>
#  else
#   ifdef _AIX
 #pragma alloca
#   else
#    ifndef alloca /* predefined by HP cc +Olibcalls */
char *alloca ();
#    endif
#   endif
#  endif
# endif
#endif

int main() {
char *p = (char *) alloca(1);
; return 0; }
EOF
if { (eval echo configure:1783: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
  rm -rf conftest*
  ac_cv_func_alloca_works=yes
else
  echo "configure: failed program was:" >&5
  cat conftest.$ac_ext >&5
  rm -rf conftest*
  ac_cv_func_alloca_works=no
fi
rm -f conftest*
fi

echo "$ac_t""$ac_cv_func_alloca_works" 1>&6
if test $ac_cv_func_alloca_works = yes; then
  cat >> confdefs.h <<\EOF
#define HAVE_ALLOCA 1
EOF

fi

if test $ac_cv_func_alloca_works = no; then
  # The SVR3 libPW and SVR4 libucb both contain incompatible functions
  # that cause trouble.  Some versions do not even contain alloca or
  # contain a buggy version.  If you still want to use their alloca,
  # use ar to extract alloca.o from them instead of compiling alloca.c.
  ALLOCA=alloca.${ac_objext}
  cat >> confdefs.h <<\EOF
#define C_ALLOCA 1
EOF


echo $ac_n "checking whether alloca needs Cray hooks""... $ac_c" 1>&6
echo "configure:1815: checking whether alloca needs Cray hooks" >&5
if eval "test \"`echo '$''{'ac_cv_os_cray'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
else
  cat > conftest.$ac_ext <<EOF
#line 1820 "configure"
#include "confdefs.h"
#if defined(CRAY) && ! defined(CRAY2)
webecray
#else
wenotbecray
#endif

EOF
if (eval "$ac_cpp conftest.$ac_ext") 2>&5 |
  egrep "webecray" >/dev/null 2>&1; then
  rm -rf conftest*
  ac_cv_os_cray=yes
else
  rm -rf conftest*
  ac_cv_os_cray=no
fi
rm -f conftest*

fi

echo "$ac_t""$ac_cv_os_cray" 1>&6
if test $ac_cv_os_cray = yes; then
for ac_func in _getb67 GETB67 getb67; do
  echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
echo "configure:1845: checking for $ac_func" >&5
if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
else
  cat > conftest.$ac_ext <<EOF
#line 1850 "configure"
#include "confdefs.h"
/* System header to define __stub macros and hopefully few prototypes,
    which can conflict with char $ac_func(); below.  */
#include <assert.h>
/* Override any gcc2 internal prototype to avoid an error.  */
/* We use char because int might match the return type of a gcc2
    builtin and then its argument prototype would still apply.  */
char $ac_func();

int main() {

/* The GNU C library defines this for functions which it implements
    to always fail with ENOSYS.  Some functions are actually named
    something starting with __ and the normal name is an alias.  */
#if defined (__stub_$ac_func) || defined (__stub___$ac_func)
choke me
#else
$ac_func();
#endif

; return 0; }
EOF
if { (eval echo configure:1873: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
  rm -rf conftest*
  eval "ac_cv_func_$ac_func=yes"
else
  echo "configure: failed program was:" >&5
  cat conftest.$ac_ext >&5
  rm -rf conftest*
  eval "ac_cv_func_$ac_func=no"
fi
rm -f conftest*
fi

if eval "test \"`echo '$ac_cv_func_'$ac_func`\" = yes"; then
  echo "$ac_t""yes" 1>&6
  cat >> confdefs.h <<EOF
#define CRAY_STACKSEG_END $ac_func
EOF

  break
else
  echo "$ac_t""no" 1>&6
fi

done
fi

echo $ac_n "checking stack direction for C alloca""... $ac_c" 1>&6
echo "configure:1900: checking stack direction for C alloca" >&5
if eval "test \"`echo '$''{'ac_cv_c_stack_direction'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
else
  if test "$cross_compiling" = yes; then
  ac_cv_c_stack_direction=0
else
  cat > conftest.$ac_ext <<EOF
#line 1908 "configure"
#include "confdefs.h"
find_stack_direction ()
{
  static char *addr = 0;
  auto char dummy;
  if (addr == 0)
    {
      addr = &dummy;
      return find_stack_direction ();
    }
  else
    return (&dummy > addr) ? 1 : -1;
}
main ()
{
  exit (find_stack_direction() < 0);
}
EOF
if { (eval echo configure:1927: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
then
  ac_cv_c_stack_direction=1
else
  echo "configure: failed program was:" >&5
  cat conftest.$ac_ext >&5
  rm -fr conftest*
  ac_cv_c_stack_direction=-1
fi
rm -fr conftest*
fi

fi

echo "$ac_t""$ac_cv_c_stack_direction" 1>&6
cat >> confdefs.h <<EOF
#define STACK_DIRECTION $ac_cv_c_stack_direction
EOF

fi

for ac_func in mkstemp setlocale
do
echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
echo "configure:1951: checking for $ac_func" >&5
if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
else
  cat > conftest.$ac_ext <<EOF
#line 1956 "configure"
#include "confdefs.h"
/* System header to define __stub macros and hopefully few prototypes,
    which can conflict with char $ac_func(); below.  */
#include <assert.h>
/* Override any gcc2 internal prototype to avoid an error.  */
/* We use char because int might match the return type of a gcc2
    builtin and then its argument prototype would still apply.  */
char $ac_func();

int main() {

/* The GNU C library defines this for functions which it implements
    to always fail with ENOSYS.  Some functions are actually named
    something starting with __ and the normal name is an alias.  */
#if defined (__stub_$ac_func) || defined (__stub___$ac_func)
choke me
#else
$ac_func();
#endif

; return 0; }
EOF
if { (eval echo configure:1979: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
  rm -rf conftest*
  eval "ac_cv_func_$ac_func=yes"
else
  echo "configure: failed program was:" >&5
  cat conftest.$ac_ext >&5
  rm -rf conftest*
  eval "ac_cv_func_$ac_func=no"
fi
rm -f conftest*
fi

if eval "test \"`echo '$ac_cv_func_'$ac_func`\" = yes"; then
  echo "$ac_t""yes" 1>&6
    ac_tr_func=HAVE_`echo $ac_func | tr 'abcdefghijklmnopqrstuvwxyz' 'ABCDEFGHIJKLMNOPQRSTUVWXYZ'`
  cat >> confdefs.h <<EOF
#define $ac_tr_func 1
EOF
 
else
  echo "$ac_t""no" 1>&6
fi
done


trap '' 1 2 15
cat > confcache <<\EOF
# This file is a shell script that caches the results of configure
# tests run on this system so they can be shared between configure
# scripts and configure runs.  It is not useful on other systems.
# If it contains results you don't want to keep, you may remove or edit it.
#
# By default, configure uses ./config.cache as the cache file,
# creating it if it does not exist already.  You can give configure
# the --cache-file=FILE option to use a different cache file; that is
# what configure does when it calls configure scripts in
# subdirectories, so they share the cache.
# Giving --cache-file=/dev/null disables caching, for debugging configure.
# config.status only pays attention to the cache file if you give it the
# --recheck option to rerun configure.
#
EOF
# The following way of writing the cache mishandles newlines in values,
# but we know of no workaround that is simple, portable, and efficient.
# So, don't put newlines in cache variables' values.
# Ultrix sh set writes to stderr and can't be redirected directly,
# and sets the high bit in the cache file unless we assign to the vars.
(set) 2>&1 |
  case `(ac_space=' '; set | grep ac_space) 2>&1` in
  *ac_space=\ *)
    # `set' does not quote correctly, so add quotes (double-quote substitution
    # turns \\\\ into \\, and sed turns \\ into \).
    sed -n \
      -e "s/'/'\\\\''/g" \
      -e "s/^\\([a-zA-Z0-9_]*_cv_[a-zA-Z0-9_]*\\)=\\(.*\\)/\\1=\${\\1='\\2'}/p"
    ;;
  *)
    # `set' quotes correctly as required by POSIX, so do not add quotes.
    sed -n -e 's/^\([a-zA-Z0-9_]*_cv_[a-zA-Z0-9_]*\)=\(.*\)/\1=${\1=\2}/p'
    ;;
  esac >> confcache
if cmp -s $cache_file confcache; then
  :
else
  if test -w $cache_file; then
    echo "updating cache $cache_file"
    cat confcache > $cache_file
  else
    echo "not updating unwritable cache $cache_file"
  fi
fi
rm -f confcache

trap 'rm -fr conftest* confdefs* core core.* *.core $ac_clean_files; exit 1' 1 2 15

test "x$prefix" = xNONE && prefix=$ac_default_prefix
# Let make expand exec_prefix.
test "x$exec_prefix" = xNONE && exec_prefix='${prefix}'

# Any assignment to VPATH causes Sun make to only execute
# the first set of double-colon rules, so remove it if not needed.
# If there is a colon in the path, we need to keep it.
if test "x$srcdir" = x.; then
  ac_vpsub='/^[ 	]*VPATH[ 	]*=[^:]*$/d'
fi

trap 'rm -f $CONFIG_STATUS conftest*; exit 1' 1 2 15

DEFS=-DHAVE_CONFIG_H

# Without the "./", some shells look in PATH for config.status.
: ${CONFIG_STATUS=./config.status}

echo creating $CONFIG_STATUS
rm -f $CONFIG_STATUS
cat > $CONFIG_STATUS <<EOF
#! /bin/sh
# Generated automatically by configure.
# Run this file to recreate the current configuration.
# This directory was configured as follows,
# on host `(hostname || uname -n) 2>/dev/null | sed 1q`:
#
# $0 $ac_configure_args
#
# Compiler output produced by configure, useful for debugging
# configure, is in ./config.log if it exists.

ac_cs_usage="Usage: $CONFIG_STATUS [--recheck] [--version] [--help]"
for ac_option
do
  case "\$ac_option" in
  -recheck | --recheck | --rechec | --reche | --rech | --rec | --re | --r)
    echo "running \${CONFIG_SHELL-/bin/sh} $0 $ac_configure_args --no-create --no-recursion"
    exec \${CONFIG_SHELL-/bin/sh} $0 $ac_configure_args --no-create --no-recursion ;;
  -version | --version | --versio | --versi | --vers | --ver | --ve | --v)
    echo "$CONFIG_STATUS generated by autoconf version 2.13"
    exit 0 ;;
  -help | --help | --hel | --he | --h)
    echo "\$ac_cs_usage"; exit 0 ;;
  *) echo "\$ac_cs_usage"; exit 1 ;;
  esac
done

ac_given_srcdir=$srcdir
ac_given_INSTALL="$INSTALL"

trap 'rm -fr `echo "Makefile config.h:config.hin" | sed "s/:[^ ]*//g"` conftest*; exit 1' 1 2 15
EOF
cat >> $CONFIG_STATUS <<EOF

# Protect against being on the right side of a sed subst in config.status.
sed 's/%@/@@/; s/@%/@@/; s/%g\$/@g/; /@g\$/s/[\\\\&%]/\\\\&/g;
 s/@@/%@/; s/@@/@%/; s/@g\$/%g/' > conftest.subs <<\\CEOF
$ac_vpsub
$extrasub
s%@SHELL@%$SHELL%g
s%@CFLAGS@%$CFLAGS%g
s%@CPPFLAGS@%$CPPFLAGS%g
s%@CXXFLAGS@%$CXXFLAGS%g
s%@FFLAGS@%$FFLAGS%g
s%@DEFS@%$DEFS%g
s%@LDFLAGS@%$LDFLAGS%g
s%@LIBS@%$LIBS%g
s%@exec_prefix@%$exec_prefix%g
s%@prefix@%$prefix%g
s%@program_transform_name@%$program_transform_name%g
s%@bindir@%$bindir%g
s%@sbindir@%$sbindir%g
s%@libexecdir@%$libexecdir%g
s%@datadir@%$datadir%g
s%@sysconfdir@%$sysconfdir%g
s%@sharedstatedir@%$sharedstatedir%g
s%@localstatedir@%$localstatedir%g
s%@libdir@%$libdir%g
s%@includedir@%$includedir%g
s%@oldincludedir@%$oldincludedir%g
s%@infodir@%$infodir%g
s%@mandir@%$mandir%g
s%@INSTALL_PROGRAM@%$INSTALL_PROGRAM%g
s%@INSTALL_SCRIPT@%$INSTALL_SCRIPT%g
s%@INSTALL_DATA@%$INSTALL_DATA%g
s%@PACKAGE@%$PACKAGE%g
s%@VERSION@%$VERSION%g
s%@ACLOCAL@%$ACLOCAL%g
s%@AUTOCONF@%$AUTOCONF%g
s%@AUTOMAKE@%$AUTOMAKE%g
s%@AUTOHEADER@%$AUTOHEADER%g
s%@MAKEINFO@%$MAKEINFO%g
s%@SET_MAKE@%$SET_MAKE%g
s%@CC@%$CC%g
s%@CPP@%$CPP%g
s%@RANLIB@%$RANLIB%g
s%@U@%$U%g
s%@ANSI2KNR@%$ANSI2KNR%g
s%@ALLOCA@%$ALLOCA%g

CEOF
EOF

cat >> $CONFIG_STATUS <<\EOF

# Split the substitutions into bite-sized pieces for seds with
# small command number limits, like on Digital OSF/1 and HP-UX.
ac_max_sed_cmds=90 # Maximum number of lines to put in a sed script.
ac_file=1 # Number of current file.
ac_beg=1 # First line for current file.
ac_end=$ac_max_sed_cmds # Line after last line for current file.
ac_more_lines=:
ac_sed_cmds=""
while $ac_more_lines; do
  if test $ac_beg -gt 1; then
    sed "1,${ac_beg}d; ${ac_end}q" conftest.subs > conftest.s$ac_file
  else
    sed "${ac_end}q" conftest.subs > conftest.s$ac_file
  fi
  if test ! -s conftest.s$ac_file; then
    ac_more_lines=false
    rm -f conftest.s$ac_file
  else
    if test -z "$ac_sed_cmds"; then
      ac_sed_cmds="sed -f conft