configure

一个开放源代码的 AT&T 的 Korn Shell 的复制品, 支持大多数 ksh89 的特性。

do
ac_safe=`echo "$ac_hdr" | sed 'y%./+-%__p_%'`
echo $ac_n "checking for $ac_hdr that defines DIR""... $ac_c" 1>&6
echo "configure:1376: checking for $ac_hdr that defines DIR" >&5
if eval "test \"`echo '$''{'ac_cv_header_dirent_$ac_safe'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
else
  cat > conftest.$ac_ext <<EOF
#line 1381 "configure"
#include "confdefs.h"
#include <sys/types.h>
#include <$ac_hdr>
int main() {
DIR *dirp = 0;
; return 0; }
EOF
if { (eval echo configure:1389: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
  rm -rf conftest*
  eval "ac_cv_header_dirent_$ac_safe=yes"
else
  echo "configure: failed program was:" >&5
  cat conftest.$ac_ext >&5
  rm -rf conftest*
  eval "ac_cv_header_dirent_$ac_safe=no"
fi
rm -f conftest*
fi
if eval "test \"`echo '$ac_cv_header_dirent_'$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 $ac_tr_hdr 1
EOF
 ac_header_dirent=$ac_hdr; break
else
  echo "$ac_t""no" 1>&6
fi
done
# Two versions of opendir et al. are in -ldir and -lx on SCO Xenix.
if test $ac_header_dirent = dirent.h; then
echo $ac_n "checking for opendir in -ldir""... $ac_c" 1>&6
echo "configure:1414: checking for opendir in -ldir" >&5
ac_lib_var=`echo dir'_'opendir | sed 'y%./+-%__p_%'`
if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
else
  ac_save_LIBS="$LIBS"
LIBS="-ldir  $LIBS"
cat > conftest.$ac_ext <<EOF
#line 1422 "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 opendir();

int main() {
opendir()
; return 0; }
EOF
if { (eval echo configure:1433: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
  rm -rf conftest*
  eval "ac_cv_lib_$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 "$ac_t""yes" 1>&6
  LIBS="$LIBS -ldir"
else
  echo "$ac_t""no" 1>&6
echo $ac_n "checking for opendir in -lndir""... $ac_c" 1>&6
echo "configure:1452: checking for opendir in -lndir" >&5
ac_lib_var=`echo ndir'_'opendir | sed 'y%./+-%__p_%'`
if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
else
  ac_save_LIBS="$LIBS"
LIBS="-lndir  $LIBS"
cat > conftest.$ac_ext <<EOF
#line 1460 "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 opendir();

int main() {
opendir()
; return 0; }
EOF
if { (eval echo configure:1471: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
  rm -rf conftest*
  eval "ac_cv_lib_$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 "$ac_t""yes" 1>&6
  LIBS="$LIBS -lndir"
else
  echo "$ac_t""no" 1>&6
fi

fi

else
echo $ac_n "checking for opendir in -lx""... $ac_c" 1>&6
echo "configure:1495: checking for opendir in -lx" >&5
ac_lib_var=`echo x'_'opendir | sed 'y%./+-%__p_%'`
if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
else
  ac_save_LIBS="$LIBS"
LIBS="-lx  $LIBS"
cat > conftest.$ac_ext <<EOF
#line 1503 "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 opendir();

int main() {
opendir()
; return 0; }
EOF
if { (eval echo configure:1514: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
  rm -rf conftest*
  eval "ac_cv_lib_$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 "$ac_t""yes" 1>&6
  LIBS="$LIBS -lx"
else
  echo "$ac_t""no" 1>&6
fi

fi

echo $ac_n "checking for sane unistd.h""... $ac_c" 1>&6
echo "configure:1537: checking for sane unistd.h" >&5
if eval "test \"`echo '$''{'ksh_cv_header_unistd'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
else
  cat > conftest.$ac_ext <<EOF
#line 1542 "configure"
#include "confdefs.h"

#include <unistd.h>
#if defined(_POSIX_VERSION)
# include <sys/types.h>
# include <dirent.h> /* _POSIX_VERSION => HAVE_DIRENT_H test not needed */
#endif
      
int main() {

; return 0; }
EOF
if { (eval echo configure:1555: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
  rm -rf conftest*
  ksh_cv_header_unistd=yes
else
  echo "configure: failed program was:" >&5
  cat conftest.$ac_ext >&5
  rm -rf conftest*
  ksh_cv_header_unistd=no
fi
rm -f conftest*
fi

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

  fi
 
echo $ac_n "checking terminal interface""... $ac_c" 1>&6
echo "configure:1576: checking terminal interface" >&5
if eval "test \"`echo '$''{'ksh_cv_term_check'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
else
  cat > conftest.$ac_ext <<EOF
#line 1581 "configure"
#include "confdefs.h"
#include <termios.h>
int main() {

        struct termios t;
#if defined(ultrix) || defined(__ultrix__)
         Termios in ultrix 4.2 botches type-ahead when going from cooked to
         cbreak mode.  The BSD tty interface works fine though, so use it
         (would be good to know if alter versions of ultrix work).
#endif /* ultrix */
         tcgetattr(0, &t); tcsetattr(0, TCSADRAIN, &t);
      
; return 0; }
EOF
if { (eval echo configure:1596: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
  rm -rf conftest*
  ksh_cv_term_check=termios
else
  echo "configure: failed program was:" >&5
  cat conftest.$ac_ext >&5
  rm -rf conftest*
  cat > conftest.$ac_ext <<EOF
#line 1604 "configure"
#include "confdefs.h"
#include <sys/ioctl.h>
int main() {

	    struct sgttyb sb; ioctl(0, TIOCGETP, &sb);
#ifdef TIOCGATC
	    { struct ttychars lc; ioctl(0, TIOCGATC, &lc); }
#else /* TIOCGATC */
	    { struct tchars tc; ioctl(0, TIOCGETC, &tc); }
# ifdef TIOCGLTC
	    { struct ltchars ltc; ioctl(0, TIOCGLTC, &ltc); }
# endif /* TIOCGLTC */
#endif /* TIOCGATC */
	  
; return 0; }
EOF
if { (eval echo configure:1621: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
  rm -rf conftest*
  ksh_cv_term_check=bsd
else
  echo "configure: failed program was:" >&5
  cat conftest.$ac_ext >&5
  rm -rf conftest*
  ac_safe=`echo "termio.h" | sed 'y%./+-%__p_%'`
echo $ac_n "checking for termio.h""... $ac_c" 1>&6
echo "configure:1630: checking for termio.h" >&5
if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
else
  cat > conftest.$ac_ext <<EOF
#line 1635 "configure"
#include "confdefs.h"
#include <termio.h>
EOF
ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
{ (eval echo configure:1640: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
ac_err=`grep -v '^ *+' conftest.out`
if test -z "$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 "$ac_t""yes" 1>&6
  ksh_cv_term_check=termio
else
  echo "$ac_t""no" 1>&6
ksh_cv_term_check=sgtty
fi

fi
rm -f conftest*
fi
rm -f conftest*
fi

echo "$ac_t""$ksh_cv_term_check" 1>&6
  if test $ksh_cv_term_check = termios; then
    cat >> confdefs.h <<\EOF
#define HAVE_TERMIOS_H 1
EOF

  elif test $ksh_cv_term_check = termio; then
    cat >> confdefs.h <<\EOF
#define HAVE_TERMIO_H 1
EOF

  fi
 
for ac_hdr in stddef.h stdlib.h string.h memory.h fcntl.h limits.h paths.h \
	sys/param.h sys/resource.h values.h ulimit.h sys/time.h
do
ac_safe=`echo "$ac_hdr" | sed 'y%./+-%__p_%'`
echo $ac_n "checking for $ac_hdr""... $ac_c" 1>&6
echo "configure:1686: 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 1691 "configure"
#include "confdefs.h"
#include <$ac_hdr>
EOF
ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
{ (eval echo configure:1696: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
ac_err=`grep -v '^ *+' conftest.out`
if test -z "$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 whether time.h and sys/time.h may both be included""... $ac_c" 1>&6
echo "configure:1723: checking whether time.h and sys/time.h may both be included" >&5
if eval "test \"`echo '$''{'ac_cv_header_time'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
else
  cat > conftest.$ac_ext <<EOF
#line 1728 "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:1737: \"$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 sys/wait.h that is POSIX.1 compatible""... $ac_c" 1>&6
echo "configure:1758: checking for sys/wait.h that is POSIX.1 compatible" >&5
if eval "test \"`echo '$''{'ksh_cv_header_sys_wait_h'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
else
  cat > conftest.$ac_ext <<EOF
#line 1763 "configure"
#include "confdefs.h"
#include <sys/types.h>
#include <sys/wait.h>
#ifndef WEXITSTATUS
#define WEXITSTATUS(stat_val) ((unsigned)(stat_val) >> 8)
#endif
#ifndef WIFEXITED
#define WIFEXITED(stat_val) (((stat_val) & 255) == 0)
#endif
int main() {
int s;
wait (&s);
s = WIFEXITED (s) ? WEXITSTATUS (s) : 1;
; return 0; }
EOF
if { (eval echo configure:1779: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
  rm -rf conftest*
  ksh_cv_header_sys_wait_h=yes
else
  echo "configure: failed program was:" >&5
  cat conftest.$ac_ext >&5
  rm -rf conftest*
  ksh_cv_header_sys_wait_h=no
fi
rm -f conftest*
fi

echo "$ac_t""$ksh_cv_header_sys_wait_h" 1>&6
if test $ksh_cv_header_sys_wait_h = yes; then
  cat >> confdefs.h <<\EOF
#define POSIX_SYS_WAIT 1
EOF
  cat >> confdefs.h <<\EOF
#define HAVE_SYS_WAIT_H 1
EOF
else
  for ac_hdr in sys/wait.h
do
ac_safe=`echo "$ac_hdr" | sed 'y%./+-%__p_%'`
echo $ac_n "checking for $ac_hdr""... $ac_c" 1>&6
echo "configure:1804: 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 1809 "configure"
#include "confdefs.h"
#include <$ac_hdr>
EOF
ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
{ (eval echo configure:1814: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
ac_err=`grep -v '^ *+' conftest.out`
if test -z "$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