configure

一套客户/服务器模式的备份系统代码,跨平台,支持linux,AIX, IRIX, FreeBSD, Digital Unix (OSF1), Solaris and HP-UX.

	/*
	 * First, make a file with some known garbage in it.
	 */
	data = malloc(pagesize);
	if (!data)
		exit(1);
	for (i = 0; i < pagesize; ++i)
		*(data + i) = rand();
	umask(0);
	fd = creat("conftestmmap", 0600);
	if (fd < 0)
		exit(1);
	if (write(fd, data, pagesize) != pagesize)
		exit(1);
	close(fd);

	/*
	 * Next, try to mmap the file at a fixed address which
	 * already has something else allocated at it.  If we can,
	 * also make sure that we see the same garbage.
	 */
	fd = open("conftestmmap", O_RDWR);
	if (fd < 0)
		exit(1);
	data2 = malloc(2 * pagesize);
	if (!data2)
		exit(1);
	data2 += (pagesize - ((int) data2 & (pagesize - 1))) & (pagesize - 1);
	if (data2 != mmap(data2, pagesize, PROT_READ | PROT_WRITE,
	    MAP_PRIVATE | MAP_FIXED, fd, 0L))
		exit(1);
	for (i = 0; i < pagesize; ++i)
		if (*(data + i) != *(data2 + i))
			exit(1);

	/*
	 * Finally, make sure that changes to the mapped area
	 * do not percolate back to the file as seen by read().
	 * (This is a bug on some variants of i386 svr4.0.)
	 */
	for (i = 0; i < pagesize; ++i)
		*(data2 + i) = *(data2 + i) + 1;
	data3 = malloc(pagesize);
	if (!data3)
		exit(1);
	if (read(fd, data3, pagesize) != pagesize)
		exit(1);
	for (i = 0; i < pagesize; ++i)
		if (*(data + i) != *(data3 + i))
			exit(1);
	close(fd);
	unlink("conftestmmap");
	exit(0);
}

EOF
if { (eval echo configure:1842: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
then
  ac_cv_func_mmap_fixed_mapped=yes
else
  echo "configure: failed program was:" >&5
  cat conftest.$ac_ext >&5
  rm -fr conftest*
  ac_cv_func_mmap_fixed_mapped=no
fi
rm -fr conftest*
fi

fi

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

fi

                              
   for ac_hdr in argz.h limits.h locale.h nl_types.h malloc.h string.h \
unistd.h sys/param.h
do
ac_safe=`echo "$ac_hdr" | sed 'y%./+-%__p_%'`
echo $ac_n "checking for $ac_hdr""... $ac_c" 1>&6
echo "configure:1870: checking for $ac_hdr" >&5
if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
else
  cat > conftest.$ac_ext <<EOF
#line 1875 "configure"
#include "confdefs.h"
#include <$ac_hdr>
EOF
ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
{ (eval echo configure:1880: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
if test -z "$ac_err"; then
  rm -rf conftest*
  eval "ac_cv_header_$ac_safe=yes"
else
  echo "$ac_err" >&5
  echo "configure: failed program was:" >&5
  cat conftest.$ac_ext >&5
  rm -rf conftest*
  eval "ac_cv_header_$ac_safe=no"
fi
rm -f conftest*
fi
if eval "test \"`echo '$ac_cv_header_'$ac_safe`\" = yes"; then
  echo "$ac_t""yes" 1>&6
    ac_tr_hdr=HAVE_`echo $ac_hdr | sed 'y%abcdefghijklmnopqrstuvwxyz./-%ABCDEFGHIJKLMNOPQRSTUVWXYZ___%'`
  cat >> confdefs.h <<EOF
#define $ac_tr_hdr 1
EOF
 
else
  echo "$ac_t""no" 1>&6
fi
done

   for ac_func in getcwd munmap putenv setenv setlocale strchr strcasecmp \
strdup __argz_count __argz_stringify __argz_next
do
echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
echo "configure:1910: 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 1915 "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:1938: \"$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


   if test "${ac_cv_func_stpcpy+set}" != "set"; then
     for ac_func in stpcpy
do
echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
echo "configure:1967: 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 1972 "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:1995: \"$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

   fi
   if test "${ac_cv_func_stpcpy}" = "yes"; then
     cat >> confdefs.h <<\EOF
#define HAVE_STPCPY 1
EOF

   fi

   if test $ac_cv_header_locale_h = yes; then
    echo $ac_n "checking for LC_MESSAGES""... $ac_c" 1>&6
echo "configure:2029: checking for LC_MESSAGES" >&5
if eval "test \"`echo '$''{'am_cv_val_LC_MESSAGES'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
else
  cat > conftest.$ac_ext <<EOF
#line 2034 "configure"
#include "confdefs.h"
#include <locale.h>
int main() {
return LC_MESSAGES
; return 0; }
EOF
if { (eval echo configure:2041: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
  rm -rf conftest*
  am_cv_val_LC_MESSAGES=yes
else
  echo "configure: failed program was:" >&5
  cat conftest.$ac_ext >&5
  rm -rf conftest*
  am_cv_val_LC_MESSAGES=no
fi
rm -f conftest*
fi

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

    fi
  fi
   echo $ac_n "checking whether NLS is requested""... $ac_c" 1>&6
echo "configure:2062: checking whether NLS is requested" >&5
        # Check whether --enable-nls or --disable-nls was given.
if test "${enable_nls+set}" = set; then
  enableval="$enable_nls"
  USE_NLS=$enableval
else
  USE_NLS=yes
fi

    echo "$ac_t""$USE_NLS" 1>&6
    

    USE_INCLUDED_LIBINTL=no

        if test "$USE_NLS" = "yes"; then
      # Extract the first word of "gettext", so it can be a program name with args.
set dummy gettext; ac_word=$2
echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
echo "configure:2080: checking for $ac_word" >&5
if eval "test \"`echo '$''{'ac_cv_path_GETTEXT'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
else
  case "$GETTEXT" in
  /*)
  ac_cv_path_GETTEXT="$GETTEXT" # Let the user override the test with a path.
  ;;
  ?:/*)			 
  ac_cv_path_GETTEXT="$GETTEXT" # Let the user override the test with a dos path.
  ;;
  *)
  IFS="${IFS= 	}"; ac_save_ifs="$IFS"; IFS=":"
  ac_dummy="$PATH"
  for ac_dir in $ac_dummy; do 
    test -z "$ac_dir" && ac_dir=.
    if test -f $ac_dir/$ac_word; then
      ac_cv_path_GETTEXT="$ac_dir/$ac_word"
      break
    fi
  done
  IFS="$ac_save_ifs"
  test -z "$ac_cv_path_GETTEXT" && ac_cv_path_GETTEXT="no"
  ;;
esac
fi
GETTEXT="$ac_cv_path_GETTEXT"
if test -n "$GETTEXT"; then
  echo "$ac_t""$GETTEXT" 1>&6
else
  echo "$ac_t""no" 1>&6
fi

      cat >> confdefs.h <<\EOF
#define ENABLE_NLS 1
EOF

      echo $ac_n "checking whether included gettext is requested""... $ac_c" 1>&6
echo "configure:2118: checking whether included gettext is requested" >&5
      # Check whether --with-included-gettext or --without-included-gettext was given.
if test "${with_included_gettext+set}" = set; then
  withval="$with_included_gettext"
  nls_cv_force_use_gnu_gettext=$withval
else
  nls_cv_force_use_gnu_gettext=no
fi

      echo "$ac_t""$nls_cv_force_use_gnu_gettext" 1>&6

      nls_cv_use_gnu_gettext="$nls_cv_force_use_gnu_gettext"
      if test "$nls_cv_force_use_gnu_gettext" != "yes"; then
                        		nls_cv_header_intl=
	nls_cv_header_libgt=
	CATOBJEXT=NONE

	ac_safe=`echo "libintl.h" | sed 'y%./+-%__p_%'`
echo $ac_n "checking for libintl.h""... $ac_c" 1>&6
echo "configure:2137: checking for libintl.h" >&5
if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
else
  cat > conftest.$ac_ext <<EOF
#line 2142 "configure"
#include "confdefs.h"
#include <libintl.h>
EOF
ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
{ (eval echo configure:2147: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
if test -z "$ac_err"; then
  rm -rf conftest*
  eval "ac_cv_header_$ac_safe=yes"
else
  echo "$ac_err" >&5
  echo "configure: failed program was:" >&5
  cat conftest.$ac_ext >&5
  rm -rf conftest*
  eval "ac_cv_header_$ac_safe=no"
fi
rm -f conftest*
fi
if eval "test \"`echo '$ac_cv_header_'$ac_safe`\" = yes"; then
  echo "$ac_t""yes" 1>&6
  echo $ac_n "checking for gettext in libc""... $ac_c" 1>&6
echo "configure:2164: checking for gettext in libc" >&5
if eval "test \"`echo '$''{'gt_cv_func_gettext_libc'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
else
  cat > conftest.$ac_ext <<EOF
#line 2169 "configure"
#include "confdefs.h"
#include <libintl.h>
int main() {
return (int) gettext ("")
; return 0; }
EOF
if { (eval echo configure:2176: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
  rm -rf conftest*
  gt_cv_func_gettext_libc=yes
else
  echo "configure: failed program was:" >&5
  cat conftest.$ac_ext >&5
  rm -rf conftest*
  gt_cv_func_gettext_libc=no
fi
rm -f conftest*
fi

echo "$ac_t""$gt_cv_func_gettext_libc" 1>&6

	   if test "$gt_cv_func_gettext_libc" != "yes"; then
	     echo $ac_n "checking for bindtextdomain in -lintl""... $ac_c" 1>&6
echo "configure:2192: checking for bindtextdomain in -lintl" >&5
ac_lib_var=`echo intl'_'bindtextdomain | sed 'y%./+-%__p_%'`
if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
else
  ac_save_LIBS="$LIBS"
LIBS="-lintl  $LIBS"
cat > conftest.$ac_ext <<EOF
#line 2200 "configure"
#include "confdefs.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 bindtextdomain();

int main() {
bindtextdomain()
; return 0; }
EOF
if { (eval echo configure:2211: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
  rm -rf conftest*
  eval "ac_cv_lib_$ac_lib_var=yes"
else
  echo "configure: failed program was:" >&5
  cat conftest.$ac_ext >&5
  rm -rf conftest*
  eval "ac_cv_lib_$ac_lib_var=no"
fi
rm -f conftest*
LIBS="$ac_save_LIBS"

fi
if eval "test \"`echo '$ac_cv_lib_'$ac_lib_var`\" = yes"; then
  echo "$ac_t""yes" 1>&6
  echo $ac_n "checking for gettext in libintl""... $ac_c" 1>&6
echo "configure:2227: checking for gettext in libintl" >&5
if eval "test \"`echo '$''{'gt_cv_func_gettext_libintl'+set}'`\" = set"; then