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configure
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1994-05-15
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#!/bin/sh
# Guess values for system-dependent variables and create Makefiles.
# Generated automatically using autoconf.
# Copyright (C) 1991, 1992, 1993 Free Software Foundation, Inc.
# 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, 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, write to the Free Software
# Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
# Usage: configure [--srcdir=DIR] [--host=HOST] [--gas] [--nfp]
# [--prefix=PREFIX] [--exec-prefix=PREFIX] [--with-PACKAGE[=VALUE]]
# Ignores all args except --srcdir, --prefix, --exec-prefix, and
# --with-PACKAGE[=VALUE] unless this script has special code to handle it.
for arg
do
# Handle --exec-prefix with a space before the argument.
if test x$next_exec_prefix = xyes; then exec_prefix=$arg; next_exec_prefix=
# Handle --host with a space before the argument.
elif test x$next_host = xyes; then next_host=
# Handle --prefix with a space before the argument.
elif test x$next_prefix = xyes; then prefix=$arg; next_prefix=
# Handle --srcdir with a space before the argument.
elif test x$next_srcdir = xyes; then srcdir=$arg; next_srcdir=
else
case $arg in
# For backward compatibility, recognize -exec-prefix and --exec_prefix.
-exec-prefix=* | --exec_prefix=* | --exec-prefix=* | --exec-prefi=* | --exec-pref=* | --exec-pre=* | --exec-pr=* | --exec-p=* | --exec-=* | --exec=* | --exe=* | --ex=* | --e=*)
exec_prefix=`echo $arg | sed 's/[-a-z_]*=//'` ;;
-exec-prefix | --exec_prefix | --exec-prefix | --exec-prefi | --exec-pref | --exec-pre | --exec-pr | --exec-p | --exec- | --exec | --exe | --ex | --e)
next_exec_prefix=yes ;;
-gas | --gas | --ga | --g) ;;
-host=* | --host=* | --hos=* | --ho=* | --h=*) ;;
-host | --host | --hos | --ho | --h)
next_host=yes ;;
-nfp | --nfp | --nf) ;;
-prefix=* | --prefix=* | --prefi=* | --pref=* | --pre=* | --pr=* | --p=*)
prefix=`echo $arg | sed 's/[-a-z_]*=//'` ;;
-prefix | --prefix | --prefi | --pref | --pre | --pr | --p)
next_prefix=yes ;;
-srcdir=* | --srcdir=* | --srcdi=* | --srcd=* | --src=* | --sr=* | --s=*)
srcdir=`echo $arg | sed 's/[-a-z_]*=//'` ;;
-srcdir | --srcdir | --srcdi | --srcd | --src | --sr | --s)
next_srcdir=yes ;;
-with-* | --with-*)
package=`echo $arg|sed -e 's/-*with-//' -e 's/=.*//'`
# Reject names that aren't valid shell variable names.
if test -n "`echo $package| sed 's/[-a-zA-Z0-9_]//g'`"; then
echo "configure: $package: invalid package name" >&2; exit 1
fi
package=`echo $package| sed 's/-/_/g'`
case "$arg" in
*=*) val="`echo $arg|sed 's/[^=]*=//'`" ;;
*) val=1 ;;
esac
eval "with_$package='$val'" ;;
-v | -verbose | --verbose | --verbos | --verbo | --verb | --ver | --ve | --v)
verbose=yes ;;
*) ;;
esac
fi
done
trap 'rm -fr conftest* confdefs* core; exit 1' 1 3 15
trap 'rm -f confdefs*' 0
# NLS nuisances.
# These must not be set unconditionally because not all systems understand
# e.g. LANG=C (notably SCO).
if test "${LC_ALL+set}" = 'set' ; then LC_ALL=C; export LC_ALL; fi
if test "${LANG+set}" = 'set' ; then LANG=C; export LANG; fi
rm -f conftest* confdefs.h
# AIX cpp loses on an empty file, so make sure it contains at least a newline.
echo > confdefs.h
compile='${CC-cc} $CFLAGS conftest.c -o conftest $LIBS >/dev/null 2>&1'
# A filename unique to this package, relative to the directory that
# configure is in, which we can look for to find out if srcdir is correct.
unique_file=gdbmdefs.h
# Find the source files, if location was not specified.
if test -z "$srcdir"; then
srcdirdefaulted=yes
# Try the directory containing this script, then `..'.
prog=$0
confdir=`echo $prog|sed 's%/[^/][^/]*$%%'`
test "X$confdir" = "X$prog" && confdir=.
srcdir=$confdir
if test ! -r $srcdir/$unique_file; then
srcdir=..
fi
fi
if test ! -r $srcdir/$unique_file; then
if test x$srcdirdefaulted = xyes; then
echo "configure: Can not find sources in \`${confdir}' or \`..'." 1>&2
else
echo "configure: Can not find sources in \`${srcdir}'." 1>&2
fi
exit 1
fi
# Preserve a srcdir of `.' to avoid automounter screwups with pwd.
# But we can't avoid them for `..', to make subdirectories work.
case $srcdir in
.|/*|~*) ;;
*) srcdir=`cd $srcdir; pwd` ;; # Make relative path absolute.
esac
# Save the original args to write them into config.status later.
configure_args="$*"
if test -z "$CC"; then
# Extract the first word of `gcc', so it can be a program name with args.
set dummy gcc; word=$2
echo checking for $word
IFS="${IFS= }"; saveifs="$IFS"; IFS="${IFS}:"
for dir in $PATH; do
test -z "$dir" && dir=.
if test -f $dir/$word; then
CC="gcc"
break
fi
done
IFS="$saveifs"
fi
test -z "$CC" && CC="cc"
test -n "$CC" && test -n "$verbose" && echo " setting CC to $CC"
# Find out if we are using GNU C, under whatever name.
cat > conftest.c <<EOF
#ifdef __GNUC__
yes
#endif
EOF
${CC-cc} -E conftest.c > conftest.out 2>&1
if egrep yes conftest.out >/dev/null 2>&1; then
GCC=1 # For later tests.
fi
rm -f conftest*
echo checking how to run the C preprocessor
if test -z "$CPP"; then
# This must be in double quotes, not single quotes, because CPP may get
# substituted into the Makefile and ``${CC-cc}'' will simply confuse
# make. It must be expanded now.
CPP="${CC-cc} -E"
cat > conftest.c <<EOF
#include "confdefs.h"
#include <stdio.h>
Syntax Error
EOF
err=`eval "($CPP conftest.c >/dev/null) 2>&1"`
if test -z "$err"; then
:
else
rm -rf conftest*
CPP=/lib/cpp
fi
rm -f conftest*
fi
test ".${verbose}" != "." && echo " setting CPP to $CPP"
# Make sure to not get the incompatible SysV /etc/install and
# /usr/sbin/install, which might be in PATH before a BSD-like install,
# or the SunOS /usr/etc/install directory, or the AIX /bin/install,
# or the AFS install, which mishandles nonexistent args, or
# /usr/ucb/install on SVR4, which tries to use the nonexistent group
# `staff'. On most BSDish systems install is in /usr/bin, not /usr/ucb
# anyway. Sigh.
if test "z${INSTALL}" = "z" ; then
echo checking for install
IFS="${IFS= }"; saveifs="$IFS"; IFS="${IFS}:"
for dir in $PATH; do
test -z "$dir" && dir=.
case $dir in
/etc|/usr/sbin|/usr/etc|/usr/afsws/bin|/usr/ucb) ;;
*)
if test -f $dir/installbsd; then
INSTALL="$dir/installbsd -c" # OSF1
INSTALL_PROGRAM='$(INSTALL)'
INSTALL_DATA='$(INSTALL) -m 644'
break
fi
if test -f $dir/install; then
if grep dspmsg $dir/install >/dev/null 2>&1; then
: # AIX
else
INSTALL="$dir/install -c"
INSTALL_PROGRAM='$(INSTALL)'
INSTALL_DATA='$(INSTALL) -m 644'
break
fi
fi
;;
esac
done
IFS="$saveifs"
fi
INSTALL=${INSTALL-cp}
test -n "$verbose" && echo " setting INSTALL to $INSTALL"
INSTALL_PROGRAM=${INSTALL_PROGRAM-'$(INSTALL)'}
test -n "$verbose" && echo " setting INSTALL_PROGRAM to $INSTALL_PROGRAM"
INSTALL_DATA=${INSTALL_DATA-'$(INSTALL)'}
test -n "$verbose" && echo " setting INSTALL_DATA to $INSTALL_DATA"
if test -z "$RANLIB"; then
# Extract the first word of `ranlib', so it can be a program name with args.
set dummy ranlib; word=$2
echo checking for $word
IFS="${IFS= }"; saveifs="$IFS"; IFS="${IFS}:"
for dir in $PATH; do
test -z "$dir" && dir=.
if test -f $dir/$word; then
RANLIB="ranlib"
break
fi
done
IFS="$saveifs"
fi
test -z "$RANLIB" && RANLIB=":"
test -n "$RANLIB" && test -n "$verbose" && echo " setting RANLIB to $RANLIB"
echo checking integer size
cat > conftest.c <<EOF
#include "confdefs.h"
main() { exit(sizeof(int) != 2); }
EOF
eval $compile
if test -s conftest && (./conftest; exit) 2>/dev/null; then
{
test -n "$verbose" && \
echo " defining INT_16_BITS"
echo "#define" INT_16_BITS 1 >> confdefs.h
DEFS="$DEFS -DINT_16_BITS=1"
SEDDEFS="${SEDDEFS}\${SEDdA}INT_16_BITS\${SEDdB}INT_16_BITS\${SEDdC}1\${SEDdD}
\${SEDuA}INT_16_BITS\${SEDuB}INT_16_BITS\${SEDuC}1\${SEDuD}
\${SEDeA}INT_16_BITS\${SEDeB}INT_16_BITS\${SEDeC}1\${SEDeD}
"
}
fi
rm -fr conftest*
echo checking for 64-bit long ints
cat > conftest.c <<EOF
#include "confdefs.h"
main() { exit(sizeof(long int) != 8); }
EOF
eval $compile
if test -s conftest && (./conftest; exit) 2>/dev/null; then
{
test -n "$verbose" && \
echo " defining LONG_64_BITS"
echo "#define" LONG_64_BITS 1 >> confdefs.h
DEFS="$DEFS -DLONG_64_BITS=1"
SEDDEFS="${SEDDEFS}\${SEDdA}LONG_64_BITS\${SEDdB}LONG_64_BITS\${SEDdC}1\${SEDdD}
\${SEDuA}LONG_64_BITS\${SEDuB}LONG_64_BITS\${SEDuC}1\${SEDuD}
\${SEDeA}LONG_64_BITS\${SEDeB}LONG_64_BITS\${SEDeC}1\${SEDeD}
"
}
fi
rm -fr conftest*
echo checking byte ordering
cat > conftest.c <<EOF
#include "confdefs.h"
main () {
/* Are we little or big endian? From Harbison&Steele. */
union
{
long l;
char c[sizeof (long)];
} u;
u.l = 1;
exit (u.c[sizeof (long) - 1] == 1);
}
EOF
eval $compile
if test -s conftest && (./conftest; exit) 2>/dev/null; then
:
else
{
test -n "$verbose" && \
echo " defining WORDS_BIGENDIAN"
echo "#define" WORDS_BIGENDIAN 1 >> confdefs.h
DEFS="$DEFS -DWORDS_BIGENDIAN=1"
SEDDEFS="${SEDDEFS}\${SEDdA}WORDS_BIGENDIAN\${SEDdB}WORDS_BIGENDIAN\${SEDdC}1\${SEDdD}
\${SEDuA}WORDS_BIGENDIAN\${SEDuB}WORDS_BIGENDIAN\${SEDuC}1\${SEDuD}
\${SEDeA}WORDS_BIGENDIAN\${SEDeB}WORDS_BIGENDIAN\${SEDeC}1\${SEDeD}
"
}
fi
rm -fr conftest*
prog='/* Ultrix mips cc rejects this. */
typedef int charset[2]; const charset x;
/* SunOS 4.1.1 cc rejects this. */
char const *const *ccp;
char **p;
/* AIX XL C 1.02.0.0 rejects this.
It does not let you subtract one const X* pointer from another in an arm
of an if-expression whose if-part is not a constant expression */
const char *g = "string";
ccp = &g + (g ? g-g : 0);
/* HPUX 7.0 cc rejects these. */
++ccp;
p = (char**) ccp;
ccp = (char const *const *) p;
{ /* SCO 3.2v4 cc rejects this. */
char *t;
char const *s = 0 ? (char *) 0 : (char const *) 0;
*t++ = 0;
}
{ /* Someone thinks the Sun supposedly-ANSI compiler will reject this. */
int x[] = {25,17};
const int *foo = &x[0];
++foo;
}
{ /* Sun SC1.0 ANSI compiler rejects this -- but not the above. */
typedef const int *iptr;
iptr p = 0;
++p;
}
{ /* AIX XL C 1.02.0.0 rejects this saying
"k.c", line 2.27: 1506-025 (S) Operand must be a modifiable lvalue. */
struct s { int j; const int *ap[3]; };
struct s *b; b->j = 5;
}
{ /* ULTRIX-32 V3.1 (Rev 9) vcc rejects this */
const int foo = 10;
}'
echo checking for lack of working const
cat > conftest.c <<EOF
#include "confdefs.h"
int main() { exit(0); }
int t() { $prog }
EOF
if eval $compile; then
:
else
rm -rf conftest*
{
test -n "$verbose" && \
echo " defining" const to be empty
echo "#define" const >> confdefs.h
DEFS="$DEFS -Dconst="
SEDDEFS="${SEDDEFS}\${SEDdA}const\${SEDdB}const\${SEDdC}\${SEDdD}
\${SEDuA}const\${SEDuB}const\${SEDuC}\${SEDuD}
\${SEDeA}const\${SEDeB}const\${SEDeC}\${SEDeD}
"
}
fi
rm -f conftest*
for hdr in stdlib.h string.h sys/file.h unistd.h fcntl.h sys/types.h
do
trhdr=HAVE_`echo $hdr | tr '[a-z]./' '[A-Z]__'`
echo checking for ${hdr}
cat > conftest.c <<EOF
#include "confdefs.h"
#include <${hdr}>
EOF
err=`eval "($CPP conftest.c >/dev/null) 2>&1"`
if test -z "$err"; then
rm -rf conftest*
{
test -n "$verbose" && \
echo " defining ${trhdr}"
echo "#define" ${trhdr} 1 >> confdefs.h
DEFS="$DEFS -D${trhdr}=1"
SEDDEFS="${SEDDEFS}\${SEDdA}${trhdr}\${SEDdB}${trhdr}\${SEDdC}1\${SEDdD}
\${SEDuA}${trhdr}\${SEDuB}${trhdr}\${SEDuC}1\${SEDuD}
\${SEDeA}${trhdr}\${SEDeB}${trhdr}\${SEDeC}1\${SEDeD}
"
}
fi
rm -f conftest*
done
for hdr in memory.h
do
trhdr=HAVE_`echo $hdr | tr '[a-z]./' '[A-Z]__'`
echo checking for ${hdr}
cat > conftest.c <<EOF
#include "confdefs.h"
#include <${hdr}>
EOF
err=`eval "($CPP conftest.c >/dev/null) 2>&1"`
if test -z "$err"; then
rm -rf conftest*
{
test -n "$verbose" && \
echo " defining ${trhdr}"
echo "#define" ${trhdr} 1 >> confdefs.h
DEFS="$DEFS -D${trhdr}=1"
SEDDEFS="${SEDDEFS}\${SEDdA}${trhdr}\${SEDdB}${trhdr}\${SEDdC}1\${SEDdD}
\${SEDuA}${trhdr}\${SEDuB}${trhdr}\${SEDuC}1\${SEDuD}
\${SEDeA}${trhdr}\${SEDeB}${trhdr}\${SEDeC}1\${SEDeD}
"
}
fi
rm -f conftest*
done
LIBS_save="${LIBS}"
LIBS="${LIBS} -ldbm"
have_lib=""
echo checking for -ldbm
cat > conftest.c <<EOF
#include "confdefs.h"
int main() { exit(0); }
int t() { main(); }
EOF
if eval $compile; then
rm -rf conftest*
have_lib="1"
fi
rm -f conftest*
LIBS="${LIBS_save}"
if test -n "${have_lib}"; then
{
test -n "$verbose" && \
echo " defining HAVE_LIBDBM"
echo "#define" HAVE_LIBDBM 1 >> confdefs.h
DEFS="$DEFS -DHAVE_LIBDBM=1"
SEDDEFS="${SEDDEFS}\${SEDdA}HAVE_LIBDBM\${SEDdB}HAVE_LIBDBM\${SEDdC}1\${SEDdD}
\${SEDuA}HAVE_LIBDBM\${SEDuB}HAVE_LIBDBM\${SEDuC}1\${SEDuD}
\${SEDeA}HAVE_LIBDBM\${SEDeB}HAVE_LIBDBM\${SEDeC}1\${SEDeD}
"
}
LIBS="${LIBS} -ldbm"
fi
LIBS_save="${LIBS}"
LIBS="${LIBS} -lndbm"
have_lib=""
echo checking for -lndbm
cat > conftest.c <<EOF
#include "confdefs.h"
int main() { exit(0); }
int t() { main(); }
EOF
if eval $compile; then
rm -rf conftest*
have_lib="1"
fi
rm -f conftest*
LIBS="${LIBS_save}"
if test -n "${have_lib}"; then
{
test -n "$verbose" && \
echo " defining HAVE_LIBNDBM"
echo "#define" HAVE_LIBNDBM 1 >> confdefs.h
DEFS="$DEFS -DHAVE_LIBNDBM=1"
SEDDEFS="${SEDDEFS}\${SEDdA}HAVE_LIBNDBM\${SEDdB}HAVE_LIBNDBM\${SEDdC}1\${SEDdD}
\${SEDuA}HAVE_LIBNDBM\${SEDuB}HAVE_LIBNDBM\${SEDuC}1\${SEDuD}
\${SEDeA}HAVE_LIBNDBM\${SEDeB}HAVE_LIBNDBM\${SEDeC}1\${SEDeD}
"
}
LIBS="${LIBS} -lndbm"
fi
for func in rename ftruncate flock bcopy fsync
do
trfunc=HAVE_`echo $func | tr '[a-z]' '[A-Z]'`
echo checking for ${func}
cat > conftest.c <<EOF
#include "confdefs.h"
#include <ctype.h>
int main() { exit(0); }
int t() {
/* The GNU C library defines this for functions which it implements
to always fail with ENOSYS. Some functions are actually named
something starting with __ and the normal name is an alias. */
#if defined (__stub_${func}) || defined (__stub___${func})
choke me
#else
/* Override any gcc2 internal prototype to avoid an error. */
extern char ${func}(); ${func}();
#endif
}
EOF
if eval $compile; then
rm -rf conftest*
{
test -n "$verbose" && \
echo " defining ${trfunc}"
echo "#define" ${trfunc} 1 >> confdefs.h
DEFS="$DEFS -D${trfunc}=1"
SEDDEFS="${SEDDEFS}\${SEDdA}${trfunc}\${SEDdB}${trfunc}\${SEDdC}1\${SEDdD}
\${SEDuA}${trfunc}\${SEDuB}${trfunc}\${SEDuC}1\${SEDuD}
\${SEDeA}${trfunc}\${SEDeB}${trfunc}\${SEDeC}1\${SEDeD}
"
}
fi
rm -f conftest*
done
for func in getopt
do
echo checking for ${func}
cat > conftest.c <<EOF
#include "confdefs.h"
#include <ctype.h>
int main() { exit(0); }
int t() {
/* The GNU C library defines this for functions which it implements
to always fail with ENOSYS. Some functions are actually named
something starting with __ and the normal name is an alias. */
#if defined (__stub_${func}) || defined (__stub___${func})
choke me
#else
/* Override any gcc2 internal prototype to avoid an error. */
extern char ${func}(); ${func}();
#endif
}
EOF
if eval $compile; then
:
else
rm -rf conftest*
LIBOBJS="$LIBOBJS ${func}.o"
test -n "$verbose" && echo " using ${func}.o instead"
fi
rm -f conftest*
done
# The Ultrix 4.2 mips builtin alloca declared by alloca.h only works
# for constant arguments. Useless!
echo checking for working alloca.h
cat > conftest.c <<EOF
#include "confdefs.h"
#include <alloca.h>
int main() { exit(0); }
int t() { char *p = alloca(2 * sizeof(int)); }
EOF
if eval $compile; then
rm -rf conftest*
{
test -n "$verbose" && \
echo " defining HAVE_ALLOCA_H"
echo "#define" HAVE_ALLOCA_H 1 >> confdefs.h
DEFS="$DEFS -DHAVE_ALLOCA_H=1"
SEDDEFS="${SEDDEFS}\${SEDdA}HAVE_ALLOCA_H\${SEDdB}HAVE_ALLOCA_H\${SEDdC}1\${SEDdD}
\${SEDuA}HAVE_ALLOCA_H\${SEDuB}HAVE_ALLOCA_H\${SEDuC}1\${SEDuD}
\${SEDeA}HAVE_ALLOCA_H\${SEDeB}HAVE_ALLOCA_H\${SEDeC}1\${SEDeD}
"
}
fi
rm -f conftest*
decl="#ifdef __GNUC__
#define alloca __builtin_alloca
#else
#if HAVE_ALLOCA_H
#include <alloca.h>
#else
#ifdef _AIX
#pragma alloca
#else
char *alloca ();
#endif
#endif
#endif
"
echo checking for alloca
cat > conftest.c <<EOF
#include "confdefs.h"
$decl
int main() { exit(0); }
int t() { char *p = (char *) alloca(1); }
EOF
if eval $compile; then
:
else
rm -rf conftest*
alloca_missing=1
cat > conftest.c <<EOF
#include "confdefs.h"
#if defined(CRAY) && ! defined(CRAY2)
winnitude
#else
lossage
#endif
EOF
eval "$CPP conftest.c > conftest.out 2>&1"
if egrep "winnitude" conftest.out >/dev/null 2>&1; then
rm -rf conftest*
echo checking for _getb67
cat > conftest.c <<EOF
#include "confdefs.h"
#include <ctype.h>
int main() { exit(0); }
int t() {
/* 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__getb67) || defined (__stub____getb67)
choke me
#else
/* Override any gcc2 internal prototype to avoid an error. */
extern char _getb67(); _getb67();
#endif
}
EOF
if eval $compile; then
rm -rf conftest*
{
test -n "$verbose" && \
echo " defining" CRAY_STACKSEG_END to be _getb67
echo "#define" CRAY_STACKSEG_END _getb67 >> confdefs.h
DEFS="$DEFS -DCRAY_STACKSEG_END=_getb67"
SEDDEFS="${SEDDEFS}\${SEDdA}CRAY_STACKSEG_END\${SEDdB}CRAY_STACKSEG_END\${SEDdC}_getb67\${SEDdD}
\${SEDuA}CRAY_STACKSEG_END\${SEDuB}CRAY_STACKSEG_END\${SEDuC}_getb67\${SEDuD}
\${SEDeA}CRAY_STACKSEG_END\${SEDeB}CRAY_STACKSEG_END\${SEDeC}_getb67\${SEDeD}
"
}
else
rm -rf conftest*
echo checking for GETB67
cat > conftest.c <<EOF
#include "confdefs.h"
#include <ctype.h>
int main() { exit(0); }
int t() {
/* 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_GETB67) || defined (__stub___GETB67)
choke me
#else
/* Override any gcc2 internal prototype to avoid an error. */
extern char GETB67(); GETB67();
#endif
}
EOF
if eval $compile; then
rm -rf conftest*
{
test -n "$verbose" && \
echo " defining" CRAY_STACKSEG_END to be GETB67
echo "#define" CRAY_STACKSEG_END GETB67 >> confdefs.h
DEFS="$DEFS -DCRAY_STACKSEG_END=GETB67"
SEDDEFS="${SEDDEFS}\${SEDdA}CRAY_STACKSEG_END\${SEDdB}CRAY_STACKSEG_END\${SEDdC}GETB67\${SEDdD}
\${SEDuA}CRAY_STACKSEG_END\${SEDuB}CRAY_STACKSEG_END\${SEDuC}GETB67\${SEDuD}
\${SEDeA}CRAY_STACKSEG_END\${SEDeB}CRAY_STACKSEG_END\${SEDeC}GETB67\${SEDeD}
"
}
else
rm -rf conftest*
echo checking for getb67
cat > conftest.c <<EOF
#include "confdefs.h"
#include <ctype.h>
int main() { exit(0); }
int t() {
/* 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_getb67) || defined (__stub___getb67)
choke me
#else
/* Override any gcc2 internal prototype to avoid an error. */
extern char getb67(); getb67();
#endif
}
EOF
if eval $compile; then
rm -rf conftest*
{
test -n "$verbose" && \
echo " defining" CRAY_STACKSEG_END to be getb67
echo "#define" CRAY_STACKSEG_END getb67 >> confdefs.h
DEFS="$DEFS -DCRAY_STACKSEG_END=getb67"
SEDDEFS="${SEDDEFS}\${SEDdA}CRAY_STACKSEG_END\${SEDdB}CRAY_STACKSEG_END\${SEDdC}getb67\${SEDdD}
\${SEDuA}CRAY_STACKSEG_END\${SEDuB}CRAY_STACKSEG_END\${SEDuC}getb67\${SEDuD}
\${SEDeA}CRAY_STACKSEG_END\${SEDeB}CRAY_STACKSEG_END\${SEDeC}getb67\${SEDeD}
"
}
fi
rm -f conftest*
fi
rm -f conftest*
fi
rm -f conftest*
fi
rm -f conftest*
fi
rm -f conftest*
if test -n "$alloca_missing"; then
# The SVR3 libPW and SVR4 libucb both contain incompatible functions
# that cause trouble. Some versions do not even contain alloca or
# contain a buggy version. If you still want to use their alloca,
# use ar to extract alloca.o from them instead of compiling alloca.c.
ALLOCA=alloca.o
{
test -n "$verbose" && \
echo " defining C_ALLOCA"
echo "#define" C_ALLOCA 1 >> confdefs.h
DEFS="$DEFS -DC_ALLOCA=1"
SEDDEFS="${SEDDEFS}\${SEDdA}C_ALLOCA\${SEDdB}C_ALLOCA\${SEDdC}1\${SEDdD}
\${SEDuA}C_ALLOCA\${SEDuB}C_ALLOCA\${SEDuC}1\${SEDuD}
\${SEDeA}C_ALLOCA\${SEDeB}C_ALLOCA\${SEDeC}1\${SEDeD}
"
}
echo 'checking stack direction for C alloca'
echo checking whether cross-compiling
# If we cannot run a trivial program, we must be cross compiling.
cat > conftest.c <<EOF
#include "confdefs.h"
main(){exit(0);}
EOF
eval $compile
if test -s conftest && (./conftest; exit) 2>/dev/null; then
:
else
cross_compiling=1
fi
rm -fr conftest*
if test -n "$cross_compiling"
then
{
test -n "$verbose" && \
echo " defining" STACK_DIRECTION to be 0
echo "#define" STACK_DIRECTION 0 >> confdefs.h
DEFS="$DEFS -DSTACK_DIRECTION=0"
SEDDEFS="${SEDDEFS}\${SEDdA}STACK_DIRECTION\${SEDdB}STACK_DIRECTION\${SEDdC}0\${SEDdD}
\${SEDuA}STACK_DIRECTION\${SEDuB}STACK_DIRECTION\${SEDuC}0\${SEDuD}
\${SEDeA}STACK_DIRECTION\${SEDeB}STACK_DIRECTION\${SEDeC}0\${SEDeD}
"
}
else
cat > conftest.c <<EOF
#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
eval $compile
if test -s conftest && (./conftest; exit) 2>/dev/null; then
{
test -n "$verbose" && \
echo " defining" STACK_DIRECTION to be 1
echo "#define" STACK_DIRECTION 1 >> confdefs.h
DEFS="$DEFS -DSTACK_DIRECTION=1"
SEDDEFS="${SEDDEFS}\${SEDdA}STACK_DIRECTION\${SEDdB}STACK_DIRECTION\${SEDdC}1\${SEDdD}
\${SEDuA}STACK_DIRECTION\${SEDuB}STACK_DIRECTION\${SEDuC}1\${SEDuD}
\${SEDeA}STACK_DIRECTION\${SEDeB}STACK_DIRECTION\${SEDeC}1\${SEDeD}
"
}
else
{
test -n "$verbose" && \
echo " defining" STACK_DIRECTION to be -1
echo "#define" STACK_DIRECTION -1 >> confdefs.h
DEFS="$DEFS -DSTACK_DIRECTION=-1"
SEDDEFS="${SEDDEFS}\${SEDdA}STACK_DIRECTION\${SEDdB}STACK_DIRECTION\${SEDdC}-1\${SEDdD}
\${SEDuA}STACK_DIRECTION\${SEDuB}STACK_DIRECTION\${SEDuC}-1\${SEDuD}
\${SEDeA}STACK_DIRECTION\${SEDeB}STACK_DIRECTION\${SEDeC}-1\${SEDeD}
"
}
fi
fi
rm -fr conftest*
fi
echo checking for off_t in sys/types.h
echo '#include "confdefs.h"
#include <sys/types.h>' > conftest.c
eval "$CPP conftest.c > conftest.out 2>&1"
if egrep "off_t" conftest.out >/dev/null 2>&1; then
:
else
rm -rf conftest*
{
test -n "$verbose" && \
echo " defining" off_t to be long
echo "#define" off_t long >> confdefs.h
DEFS="$DEFS -Doff_t=long"
SEDDEFS="${SEDDEFS}\${SEDdA}off_t\${SEDdB}off_t\${SEDdC}long\${SEDdD}
\${SEDuA}off_t\${SEDuB}off_t\${SEDuC}long\${SEDuD}
\${SEDeA}off_t\${SEDeB}off_t\${SEDeC}long\${SEDeD}
"
}
fi
rm -f conftest*
echo checking for st_blksize in struct stat
cat > conftest.c <<EOF
#include "confdefs.h"
#include <sys/types.h>
#include <sys/stat.h>
int main() { exit(0); }
int t() { struct stat s; s.st_blksize; }
EOF
if eval $compile; then
rm -rf conftest*
{
test -n "$verbose" && \
echo " defining HAVE_ST_BLKSIZE"
echo "#define" HAVE_ST_BLKSIZE 1 >> confdefs.h
DEFS="$DEFS -DHAVE_ST_BLKSIZE=1"
SEDDEFS="${SEDDEFS}\${SEDdA}HAVE_ST_BLKSIZE\${SEDdB}HAVE_ST_BLKSIZE\${SEDdC}1\${SEDdD}
\${SEDuA}HAVE_ST_BLKSIZE\${SEDuB}HAVE_ST_BLKSIZE\${SEDuC}1\${SEDuD}
\${SEDeA}HAVE_ST_BLKSIZE\${SEDeB}HAVE_ST_BLKSIZE\${SEDeC}1\${SEDeD}
"
}
fi
rm -f conftest*
# Set default prefixes.
if test -n "$prefix"; then
test -z "$exec_prefix" && exec_prefix='${prefix}'
prsub="s%^prefix\\([ ]*\\)=\\([ ]*\\).*$%prefix\\1=\\2$prefix%"
fi
if test -n "$exec_prefix"; then
prsub="$prsub
s%^exec_prefix\\([ ]*\\)=\\([ ]*\\).*$%exec_prefix\\1=\\2$exec_prefix%"
fi
# Quote sed substitution magic chars in DEFS.
cat >conftest.def <<EOF
$DEFS
EOF
escape_ampersand_and_backslash='s%[&\\]%\\&%g'
DEFS=`sed "$escape_ampersand_and_backslash" <conftest.def`
rm -f conftest.def
# Substitute for predefined variables.
trap 'rm -f config.status; exit 1' 1 3 15
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 $configure_args
for arg
do
case "\$arg" in
-recheck | --recheck | --rechec | --reche | --rech | --rec | --re | --r)
echo running \${CONFIG_SHELL-/bin/sh} $0 $configure_args
exec \${CONFIG_SHELL-/bin/sh} $0 $configure_args ;;
*) echo "Usage: config.status --recheck" 2>&1; exit 1 ;;
esac
done
trap 'rm -fr Makefile autoconf.h conftest*; exit 1' 1 3 15
CC='$CC'
CPP='$CPP'
INSTALL='$INSTALL'
INSTALL_PROGRAM='$INSTALL_PROGRAM'
INSTALL_DATA='$INSTALL_DATA'
RANLIB='$RANLIB'
LIBOBJS='$LIBOBJS'
ALLOCA='$ALLOCA'
LIBS='$LIBS'
srcdir='$srcdir'
prefix='$prefix'
exec_prefix='$exec_prefix'
prsub='$prsub'
extrasub='$extrasub'
EOF
cat >> config.status <<\EOF
top_srcdir=$srcdir
CONFIG_FILES=${CONFIG_FILES-"Makefile"}
for file in .. ${CONFIG_FILES}; do if test "x$file" != x..; then
srcdir=$top_srcdir
# Remove last slash and all that follows it. Not all systems have dirname.
dir=`echo $file|sed 's%/[^/][^/]*$%%'`
if test "$dir" != "$file"; then
test "$top_srcdir" != . && srcdir=$top_srcdir/$dir
test ! -d $dir && mkdir $dir
fi
echo creating $file
rm -f $file
echo "# Generated automatically from `echo $file|sed 's|.*/||'`.in by configure." > $file
sed -e "
$prsub
$extrasub
s%@CC@%$CC%g
s%@CPP@%$CPP%g
s%@INSTALL@%$INSTALL%g
s%@INSTALL_PROGRAM@%$INSTALL_PROGRAM%g
s%@INSTALL_DATA@%$INSTALL_DATA%g
s%@RANLIB@%$RANLIB%g
s%@LIBOBJS@%$LIBOBJS%g
s%@ALLOCA@%$ALLOCA%g
s%@LIBS@%$LIBS%g
s%@srcdir@%$srcdir%g
s%@DEFS@%-DHAVE_CONFIG_H%" $top_srcdir/${file}.in >> $file
fi; done
CONFIG_HEADERS=${CONFIG_HEADERS-"autoconf.h"}
for file in .. ${CONFIG_HEADERS}; do if test "x$file" != x..; then
echo creating $file
# These sed commands are put into SEDDEFS when defining a macro.
# They are broken into pieces to make the sed script easier to manage.
# They are passed to sed as "A NAME B NAME C VALUE D", where NAME
# is the cpp macro being defined and VALUE is the value it is being given.
# Each defining turns into a single global substitution command.
#
# SEDd sets the value in "#define NAME VALUE" lines.
SEDdA='s@^\([ ]*\)#\([ ]*define[ ][ ]*\)'
SEDdB='\([ ][ ]*\)[^ ]*@\1#\2'
SEDdC='\3'
SEDdD='@g'
# SEDu turns "#undef NAME" with trailing blanks into "#define NAME VALUE".
SEDuA='s@^\([ ]*\)#\([ ]*\)undef\([ ][ ]*\)'
SEDuB='\([ ]\)@\1#\2define\3'
SEDuC=' '
SEDuD='\4@g'
# SEDe turns "#undef NAME" without trailing blanks into "#define NAME VALUE".
SEDeA='s@^\([ ]*\)#\([ ]*\)undef\([ ][ ]*\)'
SEDeB='$@\1#\2define\3'
SEDeC=' '
SEDeD='@g'
rm -f conftest.sed
EOF
# Turn off quoting long enough to insert the sed commands.
rm -f conftest.sh
cat > conftest.sh <<EOF
$SEDDEFS
EOF
# Break up $SEDDEFS (now in conftest.sh) because some shells have a limit
# on the size of here documents.
# Maximum number of lines to put in a single here document.
maxshlines=9
while :
do
# wc gives bogus results for an empty file on some systems.
lines=`grep -c . conftest.sh`
if test -z "$lines" || test "$lines" -eq 0; then break; fi
rm -f conftest.s1 conftest.s2
sed ${maxshlines}q conftest.sh > conftest.s1 # Like head -20.
sed 1,${maxshlines}d conftest.sh > conftest.s2 # Like tail +21.
# Write a limited-size here document to append to conftest.sed.
echo 'cat >> conftest.sed <<CONFEOF' >> config.status
cat conftest.s1 >> config.status
echo 'CONFEOF' >> config.status
rm -f conftest.s1 conftest.sh
mv conftest.s2 conftest.sh
done
rm -f conftest.sh
# Now back to your regularly scheduled config.status.
cat >> config.status <<\EOF
# This sed command replaces #undef's with comments. This is necessary, for
# example, in the case of _POSIX_SOURCE, which is predefined and required
# on some systems where configure will not decide to define it in
# autoconf.h.
cat >> conftest.sed <<\CONFEOF
s,^[ ]*#[ ]*undef[ ][ ]*[a-zA-Z_][a-zA-Z_0-9]*,/* & */,
CONFEOF
rm -f conftest.h
# Break up the sed commands because old seds have small limits.
maxsedlines=20
cp $top_srcdir/$file.in conftest.h1
while :
do
lines=`grep -c . conftest.sed`
if test -z "$lines" || test "$lines" -eq 0; then break; fi
rm -f conftest.s1 conftest.s2 conftest.h2
sed ${maxsedlines}q conftest.sed > conftest.s1 # Like head -20.
sed 1,${maxsedlines}d conftest.sed > conftest.s2 # Like tail +21.
sed -f conftest.s1 < conftest.h1 > conftest.h2
rm -f conftest.s1 conftest.h1 conftest.sed
mv conftest.h2 conftest.h1
mv conftest.s2 conftest.sed
done
rm -f conftest.sed conftest.h
echo "/* $file. Generated automatically by configure. */" > conftest.h
cat conftest.h1 >> conftest.h
rm -f conftest.h1
if cmp -s $file conftest.h 2>/dev/null; then
# The file exists and we would not be changing it.
echo "$file is unchanged"
rm -f conftest.h
else
rm -f $file
mv conftest.h $file
fi
fi; done
exit 0
EOF
chmod +x config.status
${CONFIG_SHELL-/bin/sh} config.status