configure

创建一个符合iso-9660标准的iso文件系统

ac_safe=`echo "$ac_hdr" | sed 'y%./+-%__p_%'`
echo $ac_n "checking for $ac_hdr""... $ac_c" 1>&6
echo "configure:1880: 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 1885 "configure"
#include "confdefs.h"
#include <$ac_hdr>
EOF
ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
{ (eval echo configure:1890: \"$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_hdr in ieeefp.h fp.h
do
ac_safe=`echo "$ac_hdr" | sed 'y%./+-%__p_%'`
echo $ac_n "checking for $ac_hdr""... $ac_c" 1>&6
echo "configure:1920: 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 1925 "configure"
#include "confdefs.h"
#include <$ac_hdr>
EOF
ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
{ (eval echo configure:1930: \"$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_hdr in values.h float.h
do
ac_safe=`echo "$ac_hdr" | sed 'y%./+-%__p_%'`
echo $ac_n "checking for $ac_hdr""... $ac_c" 1>&6
echo "configure:1960: 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 1965 "configure"
#include "confdefs.h"
#include <$ac_hdr>
EOF
ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
{ (eval echo configure:1970: \"$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


echo $ac_n "checking for header file containing  major(), minor() and makedev()""... $ac_c" 1>&6
echo "configure:1998: checking for header file containing  major(), minor() and makedev()" >&5
if eval "test \"`echo '$''{'ac_cv_header_makedev'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
else
  ac_cv_header_makedev=none
cat > conftest.$ac_ext <<EOF
#line 2004 "configure"
#include "confdefs.h"
#include <sys/types.h>
#include <sys/mkdev.h>
int main() {
int i = major(0); i = minor(0); i = makedev(0,0);
; return 0; }
EOF
if { (eval echo configure:2012: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
  rm -rf conftest*
  ac_cv_header_makedev=sys/mkdev.h
else
  echo "configure: failed program was:" >&5
  cat conftest.$ac_ext >&5
fi
rm -f conftest*
if test $ac_cv_header_makedev = none; then
  cat > conftest.$ac_ext <<EOF
#line 2022 "configure"
#include "confdefs.h"
#include <sys/types.h>
#include <sys/sysmacros.h>
int main() {
int i = major(0); i = minor(0); i = makedev(0,0);
; return 0; }
EOF
if { (eval echo configure:2030: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
  rm -rf conftest*
  ac_cv_header_makedev=sys/sysmacros.h
else
  echo "configure: failed program was:" >&5
  cat conftest.$ac_ext >&5
fi
rm -f conftest*
fi
fi

echo "$ac_t""$ac_cv_header_makedev" 1>&6
if test $ac_cv_header_makedev = sys/mkdev.h; then
  cat >> confdefs.h <<\EOF
#define MAJOR_IN_MKDEV 1
EOF

fi
if test $ac_cv_header_makedev = sys/sysmacros.h; then
  cat >> confdefs.h <<\EOF
#define MAJOR_IN_SYSMACROS 1
EOF

fi


echo $ac_n "checking bits in minor device number""... $ac_c" 1>&6
echo "configure:2057: checking bits in minor device number" >&5
if eval "test \"`echo '$''{'ac_cv_dev_minor_bits'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
else
  if test "$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 2065 "configure"
#include "confdefs.h"
#include <stdio.h>
#include <sys/types.h>
#ifdef major
#	define _FOUND_MAJOR_
#endif

#ifdef MAJOR_IN_MKDEV
#	include <sys/mkdev.h>
#	define _FOUND_MAJOR_
#endif

#ifndef _FOUND_MAJOR_
#	ifdef MAJOR_IN_SYSMACROS
#		include <sys/sysmacros.h>
#		define _FOUND_MAJOR_
#	endif
#endif

#ifndef _FOUND_MAJOR_
#	if defined(hpux) || defined(__hpux__) || defined(__hpux)
#		include <sys/mknod.h>
#		define _FOUND_MAJOR_
#	endif
#endif

#ifndef _FOUND_MAJOR_
#	define major(dev)		(((dev) >> 8) & 0xFF)
#	define minor(dev)		((dev) & 0xFF)
#	define makedev(majo, mino)	(((majo) << 8) | (mino))
#endif
main()
{
	long	l = 1;
	int	i;
	int	m;
	int	c = 0;
	FILE	*f=fopen("conftestval", "w");

	if (!f) exit(1);

	for (i=1, m=0; i <= 32; i++, l<<=1) {
		if (minor(l) == 0 && c == 0)
			c = m;
		if (minor(l) != 0)
			m = i;
	}
	fprintf(f, "%d\n", m);
	exit(0);
}
EOF
if { (eval echo configure:2117: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
then
  ac_cv_dev_minor_bits=`cat conftestval`
else
  echo "configure: failed program was:" >&5
  cat conftest.$ac_ext >&5
  rm -fr conftest*
  ac_cv_dev_minor_bits=0
fi
rm -fr conftest*
fi

fi
echo "$ac_t""$ac_cv_dev_minor_bits" 1>&6
cat >> confdefs.h <<EOF
#define DEV_MINOR_BITS $ac_cv_dev_minor_bits
EOF


echo $ac_n "checking whether bits in minor device numbers are non contiguous""... $ac_c" 1>&6
echo "configure:2137: checking whether bits in minor device numbers are non contiguous" >&5
if eval "test \"`echo '$''{'ac_cv_dev_minor_noncontig'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
else
  if test "$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 2145 "configure"
#include "confdefs.h"

#include <sys/types.h>
#ifdef major
#	define _FOUND_MAJOR_
#endif

#ifdef MAJOR_IN_MKDEV
#	include <sys/mkdev.h>
#	define _FOUND_MAJOR_
#endif

#ifndef _FOUND_MAJOR_
#	ifdef MAJOR_IN_SYSMACROS
#		include <sys/sysmacros.h>
#		define _FOUND_MAJOR_
#	endif
#endif

#ifndef _FOUND_MAJOR_
#	if defined(hpux) || defined(__hpux__) || defined(__hpux)
#		include <sys/mknod.h>
#		define _FOUND_MAJOR_
#	endif
#endif

#ifndef _FOUND_MAJOR_
#	define major(dev)		(((dev) >> 8) & 0xFF)
#	define minor(dev)		((dev) & 0xFF)
#	define makedev(majo, mino)	(((majo) << 8) | (mino))
#endif
main()
{
	long	l = 1;
	int	i;
	int	m;
	int	c = 0;

	for (i=1, m=0; i <= 32; i++, l<<=1) {
		if (minor(l) == 0 && c == 0)
			c = m;
		if (minor(l) != 0)
			m = i;
	}
exit (m == c);}
EOF
if { (eval echo configure:2192: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
then
  ac_cv_dev_minor_noncontig=yes
else
  echo "configure: failed program was:" >&5
  cat conftest.$ac_ext >&5
  rm -fr conftest*
  ac_cv_dev_minor_noncontig=no
fi
rm -fr conftest*
fi

fi

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

fi

echo $ac_n "checking for USG derived STDIO""... $ac_c" 1>&6
echo "configure:2215: checking for USG derived STDIO" >&5
if eval "test \"`echo '$''{'ac_cv_header_usg_stdio'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
else
  cat > conftest.$ac_ext <<EOF
#line 2220 "configure"
#include "confdefs.h"
#include <stdio.h>
int main() {
FILE    *f;
int     flag;
int     count;
char    *ptr;
f = fopen("confdefs.h", "r");
_filbuf(f);			/* HP-UX-11.x has __filbuf() */
flag  = f->_flag & _IONBF;
flag |= f->_flag & _IOERR;
flag |= f->_flag & _IOEOF;
count = f->_cnt;
ptr = (char *)f->_ptr;
fclose(f);
; return 0; }
EOF
if { (eval echo configure:2238: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
  rm -rf conftest*
  ac_cv_header_usg_stdio=yes
else
  echo "configure: failed program was:" >&5
  cat conftest.$ac_ext >&5
  rm -rf conftest*
  ac_cv_header_usg_stdio=no
fi
rm -f conftest*
fi

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

fi
echo $ac_n "checking for errno definition in errno.h""... $ac_c" 1>&6
echo "configure:2258: checking for errno definition in errno.h" >&5
if eval "test \"`echo '$''{'ac_cv_header_errno_def'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
else
  cat > conftest.$ac_ext <<EOF
#line 2263 "configure"
#include "confdefs.h"
#include <errno.h>
int main() {
errno = 0;
; return 0; }
EOF
if { (eval echo configure:2270: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
  rm -rf conftest*
  ac_cv_header_errno_def=yes
else
  echo "configure: failed program was:" >&5
  cat conftest.$ac_ext >&5
  rm -rf conftest*
  ac_cv_header_errno_def=no
fi
rm -f conftest*
fi

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

fi

echo $ac_n "checking for working const""... $ac_c" 1>&6
echo "configure:2291: checking for working const" >&5
if eval "test \"`echo '$''{'ac_cv_c_const'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
else
  cat > conftest.$ac_ext <<EOF
#line 2296 "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 e