configure

由一个古老的BASIC解释器改进而成, 保留了ANSI C固有的艺术美感.

# symlink; some systems play weird games with the mod time of symlinks
# (eg FreeBSD returns the mod time of the symlink's containing
# directory).
if (
   set X `ls -Lt $srcdir/configure conftest.file 2> /dev/null`
   if test "$*" = "X"; then
      # -L didn't work.
      set X `ls -t $srcdir/configure conftest.file`
   fi
   rm -f conftest.file
   if test "$*" != "X $srcdir/configure conftest.file" \
      && test "$*" != "X conftest.file $srcdir/configure"; then

      # If neither matched, then we have a broken ls.  This can happen
      # if, for instance, CONFIG_SHELL is bash and it inherits a
      # broken ls alias from the environment.  This has actually
      # happened.  Such a system could not be considered "sane".
      { { echo "$as_me:1176: error: ls -t appears to fail.  Make sure there is not a broken
alias in your environment" >&5
echo "$as_me: error: ls -t appears to fail.  Make sure there is not a broken
alias in your environment" >&2;}
   { (exit 1); exit 1; }; }
   fi

   test "$2" = conftest.file
   )
then
   # Ok.
   :
else
   { { echo "$as_me:1189: error: newly created file is older than distributed files!
Check your system clock" >&5
echo "$as_me: error: newly created file is older than distributed files!
Check your system clock" >&2;}
   { (exit 1); exit 1; }; }
fi
echo "$as_me:1195: result: yes" >&5
echo "${ECHO_T}yes" >&6
test "$program_prefix" != NONE &&
  program_transform_name="s,^,$program_prefix,;$program_transform_name"
# Use a double $ so make ignores it.
test "$program_suffix" != NONE &&
  program_transform_name="s,\$,$program_suffix,;$program_transform_name"
# Double any \ or $.  echo might interpret backslashes.
# By default was `s,x,x', remove it if useless.
cat <<\_ACEOF >conftest.sed
s/[\\$]/&&/g;s/;s,x,x,$//
_ACEOF
program_transform_name=`echo $program_transform_name | sed -f conftest.sed`
rm conftest.sed

# expand $ac_aux_dir to an absolute path
am_aux_dir=`cd $ac_aux_dir && pwd`

test x"${MISSING+set}" = xset || MISSING="\${SHELL} $am_aux_dir/missing"
# Use eval to expand $SHELL
if eval "$MISSING --run true"; then
  am_missing_run="$MISSING --run "
else
  am_missing_run=
  { echo "$as_me:1219: WARNING: \`missing' script is too old or missing" >&5
echo "$as_me: WARNING: \`missing' script is too old or missing" >&2;}
fi

for ac_prog in mawk gawk nawk awk
do
  # Extract the first word of "$ac_prog", so it can be a program name with args.
set dummy $ac_prog; ac_word=$2
echo "$as_me:1227: checking for $ac_word" >&5
echo $ECHO_N "checking for $ac_word... $ECHO_C" >&6
if test "${ac_cv_prog_AWK+set}" = set; then
  echo $ECHO_N "(cached) $ECHO_C" >&6
else
  if test -n "$AWK"; then
  ac_cv_prog_AWK="$AWK" # Let the user override the test.
else
  ac_save_IFS=$IFS; IFS=$ac_path_separator
ac_dummy="$PATH"
for ac_dir in $ac_dummy; do
  IFS=$ac_save_IFS
  test -z "$ac_dir" && ac_dir=.
  $as_executable_p "$ac_dir/$ac_word" || continue
ac_cv_prog_AWK="$ac_prog"
echo "$as_me:1242: found $ac_dir/$ac_word" >&5
break
done

fi
fi
AWK=$ac_cv_prog_AWK
if test -n "$AWK"; then
  echo "$as_me:1250: result: $AWK" >&5
echo "${ECHO_T}$AWK" >&6
else
  echo "$as_me:1253: result: no" >&5
echo "${ECHO_T}no" >&6
fi

  test -n "$AWK" && break
done

echo "$as_me:1260: checking whether ${MAKE-make} sets \${MAKE}" >&5
echo $ECHO_N "checking whether ${MAKE-make} sets \${MAKE}... $ECHO_C" >&6
set dummy ${MAKE-make}; ac_make=`echo "$2" | sed 'y,./+-,__p_,'`
if eval "test \"\${ac_cv_prog_make_${ac_make}_set+set}\" = set"; then
  echo $ECHO_N "(cached) $ECHO_C" >&6
else
  cat >conftest.make <<\EOF
all:
	@echo 'ac_maketemp="${MAKE}"'
EOF
# GNU make sometimes prints "make[1]: Entering...", which would confuse us.
eval `${MAKE-make} -f conftest.make 2>/dev/null | grep temp=`
if test -n "$ac_maketemp"; then
  eval ac_cv_prog_make_${ac_make}_set=yes
else
  eval ac_cv_prog_make_${ac_make}_set=no
fi
rm -f conftest.make
fi
if eval "test \"`echo '$ac_cv_prog_make_'${ac_make}_set`\" = yes"; then
  echo "$as_me:1280: result: yes" >&5
echo "${ECHO_T}yes" >&6
  SET_MAKE=
else
  echo "$as_me:1284: result: no" >&5
echo "${ECHO_T}no" >&6
  SET_MAKE="MAKE=${MAKE-make}"
fi

 # test to see if srcdir already configured
if test "`cd $srcdir && pwd`" != "`pwd`" &&
   test -f $srcdir/config.status; then
  { { echo "$as_me:1292: error: source directory already configured; run \"make distclean\" there first" >&5
echo "$as_me: error: source directory already configured; run \"make distclean\" there first" >&2;}
   { (exit 1); exit 1; }; }
fi

# Define the identity of the package.
 PACKAGE=blassic
 VERSION=$VERSION_MAJOR.$VERSION_MINOR.$VERSION_RELEASE

cat >>confdefs.h <<EOF
#define PACKAGE "$PACKAGE"
EOF

cat >>confdefs.h <<EOF
#define VERSION "$VERSION"
EOF

# Some tools Automake needs.

ACLOCAL=${ACLOCAL-"${am_missing_run}"aclocal-${am__api_version}""}

AUTOCONF=${AUTOCONF-"${am_missing_run}autoconf"}

AUTOMAKE=${AUTOMAKE-"${am_missing_run}"automake-${am__api_version}""}

AUTOHEADER=${AUTOHEADER-"${am_missing_run}autoheader"}

MAKEINFO=${MAKEINFO-"${am_missing_run}makeinfo"}

AMTAR=${AMTAR-"${am_missing_run}tar"}

install_sh=${install_sh-"$am_aux_dir/install-sh"}

# Installed binaries are usually stripped using `strip' when the user
# run `make install-strip'.  However `strip' might not be the right
# tool to use in cross-compilation environments, therefore Automake
# will honor the `STRIP' environment variable to overrule this program.
if test "$cross_compiling" != no; then
  if test -n "$ac_tool_prefix"; then
  # Extract the first word of "${ac_tool_prefix}strip", so it can be a program name with args.
set dummy ${ac_tool_prefix}strip; ac_word=$2
echo "$as_me:1333: checking for $ac_word" >&5
echo $ECHO_N "checking for $ac_word... $ECHO_C" >&6
if test "${ac_cv_prog_STRIP+set}" = set; then
  echo $ECHO_N "(cached) $ECHO_C" >&6
else
  if test -n "$STRIP"; then
  ac_cv_prog_STRIP="$STRIP" # Let the user override the test.
else
  ac_save_IFS=$IFS; IFS=$ac_path_separator
ac_dummy="$PATH"
for ac_dir in $ac_dummy; do
  IFS=$ac_save_IFS
  test -z "$ac_dir" && ac_dir=.
  $as_executable_p "$ac_dir/$ac_word" || continue
ac_cv_prog_STRIP="${ac_tool_prefix}strip"
echo "$as_me:1348: found $ac_dir/$ac_word" >&5
break
done

fi
fi
STRIP=$ac_cv_prog_STRIP
if test -n "$STRIP"; then
  echo "$as_me:1356: result: $STRIP" >&5
echo "${ECHO_T}$STRIP" >&6
else
  echo "$as_me:1359: result: no" >&5
echo "${ECHO_T}no" >&6
fi

fi
if test -z "$ac_cv_prog_STRIP"; then
  ac_ct_STRIP=$STRIP
  # Extract the first word of "strip", so it can be a program name with args.
set dummy strip; ac_word=$2
echo "$as_me:1368: checking for $ac_word" >&5
echo $ECHO_N "checking for $ac_word... $ECHO_C" >&6
if test "${ac_cv_prog_ac_ct_STRIP+set}" = set; then
  echo $ECHO_N "(cached) $ECHO_C" >&6
else
  if test -n "$ac_ct_STRIP"; then
  ac_cv_prog_ac_ct_STRIP="$ac_ct_STRIP" # Let the user override the test.
else
  ac_save_IFS=$IFS; IFS=$ac_path_separator
ac_dummy="$PATH"
for ac_dir in $ac_dummy; do
  IFS=$ac_save_IFS
  test -z "$ac_dir" && ac_dir=.
  $as_executable_p "$ac_dir/$ac_word" || continue
ac_cv_prog_ac_ct_STRIP="strip"
echo "$as_me:1383: found $ac_dir/$ac_word" >&5
break
done

  test -z "$ac_cv_prog_ac_ct_STRIP" && ac_cv_prog_ac_ct_STRIP=":"
fi
fi
ac_ct_STRIP=$ac_cv_prog_ac_ct_STRIP
if test -n "$ac_ct_STRIP"; then
  echo "$as_me:1392: result: $ac_ct_STRIP" >&5
echo "${ECHO_T}$ac_ct_STRIP" >&6
else
  echo "$as_me:1395: result: no" >&5
echo "${ECHO_T}no" >&6
fi

  STRIP=$ac_ct_STRIP
else
  STRIP="$ac_cv_prog_STRIP"
fi

fi
INSTALL_STRIP_PROGRAM="\${SHELL} \$(install_sh) -c -s"

# We need awk for the "check" target.  The system "awk" is bad on
# some platforms.

# Checks for programs.
ac_ext=cc
ac_cpp='$CXXCPP $CPPFLAGS'
ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
if test -n "$ac_tool_prefix"; then
  for ac_prog in $CCC g++ c++ gpp aCC CC cxx cc++ cl FCC KCC RCC xlC_r xlC
  do
    # Extract the first word of "$ac_tool_prefix$ac_prog", so it can be a program name with args.
set dummy $ac_tool_prefix$ac_prog; ac_word=$2
echo "$as_me:1421: checking for $ac_word" >&5
echo $ECHO_N "checking for $ac_word... $ECHO_C" >&6
if test "${ac_cv_prog_CXX+set}" = set; then
  echo $ECHO_N "(cached) $ECHO_C" >&6
else
  if test -n "$CXX"; then
  ac_cv_prog_CXX="$CXX" # Let the user override the test.
else
  ac_save_IFS=$IFS; IFS=$ac_path_separator
ac_dummy="$PATH"
for ac_dir in $ac_dummy; do
  IFS=$ac_save_IFS
  test -z "$ac_dir" && ac_dir=.
  $as_executable_p "$ac_dir/$ac_word" || continue
ac_cv_prog_CXX="$ac_tool_prefix$ac_prog"
echo "$as_me:1436: found $ac_dir/$ac_word" >&5
break
done

fi
fi
CXX=$ac_cv_prog_CXX
if test -n "$CXX"; then
  echo "$as_me:1444: result: $CXX" >&5
echo "${ECHO_T}$CXX" >&6
else
  echo "$as_me:1447: result: no" >&5
echo "${ECHO_T}no" >&6
fi

    test -n "$CXX" && break
  done
fi
if test -z "$CXX"; then
  ac_ct_CXX=$CXX
  for ac_prog in $CCC g++ c++ gpp aCC CC cxx cc++ cl FCC KCC RCC xlC_r xlC
do
  # Extract the first word of "$ac_prog", so it can be a program name with args.
set dummy $ac_prog; ac_word=$2
echo "$as_me:1460: checking for $ac_word" >&5
echo $ECHO_N "checking for $ac_word... $ECHO_C" >&6
if test "${ac_cv_prog_ac_ct_CXX+set}" = set; then
  echo $ECHO_N "(cached) $ECHO_C" >&6
else
  if test -n "$ac_ct_CXX"; then
  ac_cv_prog_ac_ct_CXX="$ac_ct_CXX" # Let the user override the test.
else
  ac_save_IFS=$IFS; IFS=$ac_path_separator
ac_dummy="$PATH"
for ac_dir in $ac_dummy; do
  IFS=$ac_save_IFS
  test -z "$ac_dir" && ac_dir=.
  $as_executable_p "$ac_dir/$ac_word" || continue
ac_cv_prog_ac_ct_CXX="$ac_prog"
echo "$as_me:1475: found $ac_dir/$ac_word" >&5
break
done

fi
fi
ac_ct_CXX=$ac_cv_prog_ac_ct_CXX
if test -n "$ac_ct_CXX"; then
  echo "$as_me:1483: result: $ac_ct_CXX" >&5
echo "${ECHO_T}$ac_ct_CXX" >&6
else
  echo "$as_me:1486: result: no" >&5
echo "${ECHO_T}no" >&6
fi

  test -n "$ac_ct_CXX" && break
done
test -n "$ac_ct_CXX" || ac_ct_CXX="g++"

  CXX=$ac_ct_CXX
fi

# Provide some information about the compiler.
echo "$as_me:1498:" \
     "checking for C++ compiler version" >&5
ac_compiler=`set X $ac_compile; echo $2`
{ (eval echo "$as_me:1501: \"$ac_compiler --version </dev/null >&5\"") >&5
  (eval $ac_compiler --version </dev/null >&5) 2>&5
  ac_status=$?
  echo "$as_me:1504: \$? = $ac_status" >&5
  (exit $ac_status); }
{ (eval echo "$as_me:1506: \"$ac_compiler -v </dev/null >&5\"") >&5
  (eval $ac_compiler -v </dev/null >&5) 2>&5
  ac_status=$?
  echo "$as_me:1509: \$? = $ac_status" >&5
  (exit $ac_status); }
{ (eval echo "$as_me:1511: \"$ac_compiler -V </dev/null >&5\"") >&5
  (eval $ac_compiler -V </dev/null >&5) 2>&5
  ac_status=$?
  echo "$as_me:1514: \$? = $ac_status" >&5
  (exit $ac_status); }

cat >conftest.$ac_ext <<_ACEOF
#line 1518 "configure"
#include "confdefs.h"

int
main ()
{

  ;
  return 0;
}
_ACEOF
ac_clean_files_save=$ac_clean_files
ac_clean_files="$ac_clean_files a.out a.exe"
# Try to create an executable without -o first, disregard a.out.
# It will help us diagnose broken compilers, and finding out an intuition
# of exeext.
echo "$as_me:1534: checking for C++ compiler default output" >&5
echo $ECHO_N "checking for C++ compiler default output... $ECHO_C" >&6
ac_link_default=`echo "$ac_link" | sed 's/ -o *conftest[^ ]*//'`
if { (eval echo "$as_me:1537: \"$ac_link_default\"") >&5
  (eval $ac_link_default) 2>&5
  ac_status=$?
  echo "$as_me:1540: \$? = $ac_status" >&5
  (exit $ac_status); }; then
  # Find the output, starting from the most likely.  This scheme is
# not robust to junk in `.', hence go to wildcards (a.*) only as a last
# resort.