+#include <sys/types.h>
+#include <sys/stat.h>
+
+#if defined(S_ISBLK) && defined(S_IFDIR)
+# if S_ISBLK (S_IFDIR)
+You lose.
+# endif
+#endif
+
+#if defined(S_ISBLK) && defined(S_IFCHR)
+# if S_ISBLK (S_IFCHR)
+You lose.
+# endif
+#endif
+
+#if defined(S_ISLNK) && defined(S_IFREG)
+# if S_ISLNK (S_IFREG)
+You lose.
+# endif
+#endif
+
+#if defined(S_ISSOCK) && defined(S_IFREG)
+# if S_ISSOCK (S_IFREG)
+You lose.
+# endif
+#endif
+
+EOF
+if (eval "$ac_cpp conftest.$ac_ext") 2>&5 |
+ egrep "You lose" >/dev/null 2>&1; then
+ rm -rf conftest*
+ ac_cv_header_stat_broken=yes
+else
+ rm -rf conftest*
+ ac_cv_header_stat_broken=no
+fi
+rm -f conftest*
+
+fi
+
+echo "$ac_t""$ac_cv_header_stat_broken" 1>&6
+if test $ac_cv_header_stat_broken = yes; then
+ cat >> confdefs.h <<\EOF
+#define STAT_MACROS_BROKEN 1
+EOF
+
+fi
+
+echo $ac_n "checking whether time.h and sys/time.h may both be included""... $ac_c" 1>&6
+echo "configure:3993: checking whether time.h and sys/time.h may both be included" >&5
+if eval "test \"`echo '$''{'ac_cv_header_time'+set}'`\" = set"; then
+ echo $ac_n "(cached) $ac_c" 1>&6
+else
+ cat > conftest.$ac_ext <<EOF
+#line 3998 "configure"
+#include "confdefs.h"
+#include <sys/types.h>
+#include <sys/time.h>
+#include <time.h>
+int main() {
+struct tm *tp;
+; return 0; }
+EOF
+if { (eval echo configure:4007: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+ rm -rf conftest*
+ ac_cv_header_time=yes
+else
+ echo "configure: failed program was:" >&5
+ cat conftest.$ac_ext >&5
+ rm -rf conftest*
+ ac_cv_header_time=no
+fi
+rm -f conftest*
+fi
+
+echo "$ac_t""$ac_cv_header_time" 1>&6
+if test $ac_cv_header_time = yes; then
+ cat >> confdefs.h <<\EOF
+#define TIME_WITH_SYS_TIME 1
+EOF
+
+fi
+
+echo $ac_n "checking for st_blksize in struct stat""... $ac_c" 1>&6
+echo "configure:4028: checking for st_blksize in struct stat" >&5
+if eval "test \"`echo '$''{'ac_cv_struct_st_blksize'+set}'`\" = set"; then
+ echo $ac_n "(cached) $ac_c" 1>&6
+else
+ cat > conftest.$ac_ext <<EOF
+#line 4033 "configure"
+#include "confdefs.h"
+#include <sys/types.h>
+#include <sys/stat.h>
+int main() {
+struct stat s; s.st_blksize;
+; return 0; }
+EOF
+if { (eval echo configure:4041: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+ rm -rf conftest*
+ ac_cv_struct_st_blksize=yes
+else
+ echo "configure: failed program was:" >&5
+ cat conftest.$ac_ext >&5
+ rm -rf conftest*
+ ac_cv_struct_st_blksize=no
+fi
+rm -f conftest*
+fi
+
+echo "$ac_t""$ac_cv_struct_st_blksize" 1>&6
+if test $ac_cv_struct_st_blksize = yes; then
+ cat >> confdefs.h <<\EOF
+#define HAVE_ST_BLKSIZE 1
+EOF
+
+fi
+
+echo $ac_n "checking for st_blocks in struct stat""... $ac_c" 1>&6
+echo "configure:4062: checking for st_blocks in struct stat" >&5
+if eval "test \"`echo '$''{'ac_cv_struct_st_blocks'+set}'`\" = set"; then
+ echo $ac_n "(cached) $ac_c" 1>&6
+else
+ cat > conftest.$ac_ext <<EOF
+#line 4067 "configure"
+#include "confdefs.h"
+#include <sys/types.h>
+#include <sys/stat.h>
+int main() {
+struct stat s; s.st_blocks;
+; return 0; }
+EOF
+if { (eval echo configure:4075: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+ rm -rf conftest*
+ ac_cv_struct_st_blocks=yes
+else
+ echo "configure: failed program was:" >&5
+ cat conftest.$ac_ext >&5
+ rm -rf conftest*
+ ac_cv_struct_st_blocks=no
+fi
+rm -f conftest*
+fi
+
+echo "$ac_t""$ac_cv_struct_st_blocks" 1>&6
+if test $ac_cv_struct_st_blocks = yes; then
+ cat >> confdefs.h <<\EOF
+#define HAVE_ST_BLOCKS 1
+EOF
+
+else
+ LIBOBJS="$LIBOBJS fileblocks.${ac_objext}"
+fi
+
+echo $ac_n "checking for st_rdev in struct stat""... $ac_c" 1>&6
+echo "configure:4098: checking for st_rdev in struct stat" >&5
+if eval "test \"`echo '$''{'ac_cv_struct_st_rdev'+set}'`\" = set"; then
+ echo $ac_n "(cached) $ac_c" 1>&6
+else
+ cat > conftest.$ac_ext <<EOF
+#line 4103 "configure"
+#include "confdefs.h"
+#include <sys/types.h>
+#include <sys/stat.h>
+int main() {
+struct stat s; s.st_rdev;
+; return 0; }
+EOF
+if { (eval echo configure:4111: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+ rm -rf conftest*
+ ac_cv_struct_st_rdev=yes
+else
+ echo "configure: failed program was:" >&5
+ cat conftest.$ac_ext >&5
+ rm -rf conftest*
+ ac_cv_struct_st_rdev=no
+fi
+rm -f conftest*
+fi
+
+echo "$ac_t""$ac_cv_struct_st_rdev" 1>&6
+if test $ac_cv_struct_st_rdev = yes; then
+ cat >> confdefs.h <<\EOF
+#define HAVE_ST_RDEV 1
+EOF
+
+fi
+
+echo $ac_n "checking whether struct tm is in sys/time.h or time.h""... $ac_c" 1>&6
+echo "configure:4132: checking whether struct tm is in sys/time.h or time.h" >&5
+if eval "test \"`echo '$''{'ac_cv_struct_tm'+set}'`\" = set"; then
+ echo $ac_n "(cached) $ac_c" 1>&6
+else
+ cat > conftest.$ac_ext <<EOF
+#line 4137 "configure"
+#include "confdefs.h"
+#include <sys/types.h>
+#include <time.h>
+int main() {
+struct tm *tp; tp->tm_sec;
+; return 0; }
+EOF
+if { (eval echo configure:4145: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+ rm -rf conftest*
+ ac_cv_struct_tm=time.h
+else
+ echo "configure: failed program was:" >&5
+ cat conftest.$ac_ext >&5
+ rm -rf conftest*
+ ac_cv_struct_tm=sys/time.h
+fi
+rm -f conftest*
+fi
+
+echo "$ac_t""$ac_cv_struct_tm" 1>&6
+if test $ac_cv_struct_tm = sys/time.h; then
+ cat >> confdefs.h <<\EOF
+#define TM_IN_SYS_TIME 1
+EOF
+
+fi
+
+echo $ac_n "checking for tm_zone in struct tm""... $ac_c" 1>&6
+echo "configure:4166: checking for tm_zone in struct tm" >&5
+if eval "test \"`echo '$''{'ac_cv_struct_tm_zone'+set}'`\" = set"; then
+ echo $ac_n "(cached) $ac_c" 1>&6
+else
+ cat > conftest.$ac_ext <<EOF
+#line 4171 "configure"
+#include "confdefs.h"
+#include <sys/types.h>
+#include <$ac_cv_struct_tm>
+int main() {
+struct tm tm; tm.tm_zone;
+; return 0; }
+EOF
+if { (eval echo configure:4179: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+ rm -rf conftest*
+ ac_cv_struct_tm_zone=yes
+else
+ echo "configure: failed program was:" >&5
+ cat conftest.$ac_ext >&5
+ rm -rf conftest*
+ ac_cv_struct_tm_zone=no
+fi
+rm -f conftest*
+fi
+
+echo "$ac_t""$ac_cv_struct_tm_zone" 1>&6
+if test "$ac_cv_struct_tm_zone" = yes; then
+ cat >> confdefs.h <<\EOF
+#define HAVE_TM_ZONE 1
+EOF
+
+else
+ echo $ac_n "checking for tzname""... $ac_c" 1>&6
+echo "configure:4199: checking for tzname" >&5
+if eval "test \"`echo '$''{'ac_cv_var_tzname'+set}'`\" = set"; then
+ echo $ac_n "(cached) $ac_c" 1>&6
+else
+ cat > conftest.$ac_ext <<EOF
+#line 4204 "configure"
+#include "confdefs.h"
+#include <time.h>
+#ifndef tzname /* For SGI. */
+extern char *tzname[]; /* RS6000 and others reject char **tzname. */
+#endif
+int main() {
+atoi(*tzname);
+; return 0; }
+EOF
+if { (eval echo configure:4214: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+ rm -rf conftest*
+ ac_cv_var_tzname=yes
+else
+ echo "configure: failed program was:" >&5
+ cat conftest.$ac_ext >&5
+ rm -rf conftest*
+ ac_cv_var_tzname=no
+fi
+rm -f conftest*
+fi
+
+echo "$ac_t""$ac_cv_var_tzname" 1>&6
+ if test $ac_cv_var_tzname = yes; then
+ cat >> confdefs.h <<\EOF
+#define HAVE_TZNAME 1
+EOF
+
+ fi
+fi
+
+
+
+echo $ac_n "checking for working const""... $ac_c" 1>&6
+echo "configure:4238: checking for working const" >&5
+if eval "test \"`echo '$''{'ac_cv_c_const'+set}'`\" = set"; then
+ echo $ac_n "(cached) $ac_c" 1>&6
+else
+ cat > conftest.$ac_ext <<EOF
+#line 4243 "configure"
+#include "confdefs.h"
+
+int main() {
+
+/* 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;
+/* NEC SVR4.0.2 mips cc rejects this. */
+struct point {int x, y;};
+static struct point const zero = {0,0};
+/* 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;
+}
+
+; return 0; }
+EOF
+if { (eval echo configure:4292: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+ rm -rf conftest*
+ ac_cv_c_const=yes
+else
+ echo "configure: failed program was:" >&5
+ cat conftest.$ac_ext >&5
+ rm -rf conftest*
+ ac_cv_c_const=no
+fi
+rm -f conftest*
+fi
+
+echo "$ac_t""$ac_cv_c_const" 1>&6
+if test $ac_cv_c_const = no; then
+ cat >> confdefs.h <<\EOF
+#define const
+EOF
+
+fi
+
+echo $ac_n "checking for inline""... $ac_c" 1>&6
+echo "configure:4313: checking for inline" >&5
+if eval "test \"`echo '$''{'ac_cv_c_inline'+set}'`\" = set"; then
+ echo $ac_n "(cached) $ac_c" 1>&6
+else
+ ac_cv_c_inline=no
+for ac_kw in inline __inline__ __inline; do
+ cat > conftest.$ac_ext <<EOF
+#line 4320 "configure"
+#include "confdefs.h"
+
+int main() {
+} $ac_kw foo() {
+; return 0; }
+EOF
+if { (eval echo configure:4327: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+ rm -rf conftest*
+ ac_cv_c_inline=$ac_kw; break
+else
+ echo "configure: failed program was:" >&5
+ cat conftest.$ac_ext >&5
+fi
+rm -f conftest*
+done
+
+fi
+
+echo "$ac_t""$ac_cv_c_inline" 1>&6
+case "$ac_cv_c_inline" in
+ inline | yes) ;;
+ no) cat >> confdefs.h <<\EOF
+#define inline
+EOF
+ ;;
+ *) cat >> confdefs.h <<EOF
+#define inline $ac_cv_c_inline
+EOF
+ ;;
+esac
+
+echo $ac_n "checking whether char is unsigned""... $ac_c" 1>&6
+echo "configure:4353: checking whether char is unsigned" >&5
+if eval "test \"`echo '$''{'ac_cv_c_char_unsigned'+set}'`\" = set"; then
+ echo $ac_n "(cached) $ac_c" 1>&6
+else
+ if test "$GCC" = yes; then
+ # GCC predefines this symbol on systems where it applies.
+cat > conftest.$ac_ext <<EOF
+#line 4360 "configure"
+#include "confdefs.h"
+#ifdef __CHAR_UNSIGNED__
+ yes
+#endif
+
+EOF
+if (eval "$ac_cpp conftest.$ac_ext") 2>&5 |
+ egrep "yes" >/dev/null 2>&1; then
+ rm -rf conftest*
+ ac_cv_c_char_unsigned=yes
+else
+ rm -rf conftest*
+ ac_cv_c_char_unsigned=no
+fi
+rm -f conftest*
+
+else
+if test "$cross_compiling" = yes; then
+ { echo "configure: error: can not run test program while cross compiling" 1>&2; exit 1; }
+else
+ cat > conftest.$ac_ext <<EOF
+#line 4382 "configure"
+#include "confdefs.h"
+/* volatile prevents gcc2 from optimizing the test away on sparcs. */
+#if !defined(__STDC__) || __STDC__ != 1
+#define volatile
+#endif
+main() {
+ volatile char c = 255; exit(c < 0);
+}
+EOF
+if { (eval echo configure:4392: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
+then
+ ac_cv_c_char_unsigned=yes
+else
+ echo "configure: failed program was:" >&5
+ cat conftest.$ac_ext >&5
+ rm -fr conftest*
+ ac_cv_c_char_unsigned=no
+fi
+rm -fr conftest*
+fi
+
+fi
+fi
+
+echo "$ac_t""$ac_cv_c_char_unsigned" 1>&6
+if test $ac_cv_c_char_unsigned = yes && test "$GCC" != yes; then
+ cat >> confdefs.h <<\EOF
+#define __CHAR_UNSIGNED__ 1
+EOF
+
+fi
+
+echo $ac_n "checking for long double""... $ac_c" 1>&6
+echo "configure:4416: checking for long double" >&5
+if eval "test \"`echo '$''{'ac_cv_c_long_double'+set}'`\" = set"; then
+ echo $ac_n "(cached) $ac_c" 1>&6
+else
+ if test "$GCC" = yes; then
+ ac_cv_c_long_double=yes
+else
+if test "$cross_compiling" = yes; then
+ { echo "configure: error: can not run test program while cross compiling" 1>&2; exit 1; }
+else
+ cat > conftest.$ac_ext <<EOF
+#line 4427 "configure"
+#include "confdefs.h"
+int main() {
+/* The Stardent Vistra knows sizeof(long double), but does not support it. */
+long double foo = 0.0;
+/* On Ultrix 4.3 cc, long double is 4 and double is 8. */
+exit(sizeof(long double) < sizeof(double)); }
+EOF
+if { (eval echo configure:4435: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
+then
+ ac_cv_c_long_double=yes
+else