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。

    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
fi

echo $ac_n "checking for off_t in sys/types.h""... $ac_c" 1>&6
echo "configure:1842: checking for off_t in sys/types.h" >&5
if eval "test \"`echo '$''{'ac_cv_type_off_t'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
else
  cat > conftest.$ac_ext <<EOF
#line 1847 "configure"
#include "confdefs.h"
#include <sys/types.h>
#if STDC_HEADERS
#include <stdlib.h>
#endif

      
EOF
if (eval "$ac_cpp conftest.$ac_ext") 2>&5 |
  egrep "(^|[^a-zA-Z0-9_])off_t([^a-zA-Z0-9_]|\$)" >/dev/null 2>&1; then
  rm -rf conftest*
  ac_cv_type_off_t=yes
else
  rm -rf conftest*
  ac_cv_type_off_t=no
fi
rm -f conftest*

fi

echo "$ac_t""$ac_cv_type_off_t" 1>&6
  if test $ac_cv_type_off_t = no; then
      cat >> confdefs.h <<\EOF
#define off_t long
EOF

  fi
   
echo $ac_n "checking for mode_t in sys/types.h""... $ac_c" 1>&6
echo "configure:1877: checking for mode_t in sys/types.h" >&5
if eval "test \"`echo '$''{'ac_cv_type_mode_t'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
else
  cat > conftest.$ac_ext <<EOF
#line 1882 "configure"
#include "confdefs.h"
#include <sys/types.h>
#if STDC_HEADERS
#include <stdlib.h>
#endif

      
EOF
if (eval "$ac_cpp conftest.$ac_ext") 2>&5 |
  egrep "(^|[^a-zA-Z0-9_])mode_t([^a-zA-Z0-9_]|\$)" >/dev/null 2>&1; then
  rm -rf conftest*
  ac_cv_type_mode_t=yes
else
  rm -rf conftest*
  ac_cv_type_mode_t=no
fi
rm -f conftest*

fi

echo "$ac_t""$ac_cv_type_mode_t" 1>&6
  if test $ac_cv_type_mode_t = no; then
      cat >> confdefs.h <<\EOF
#define mode_t short
EOF

  fi
   
echo $ac_n "checking for pid_t in sys/types.h""... $ac_c" 1>&6
echo "configure:1912: checking for pid_t in sys/types.h" >&5
if eval "test \"`echo '$''{'ac_cv_type_pid_t'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
else
  cat > conftest.$ac_ext <<EOF
#line 1917 "configure"
#include "confdefs.h"
#include <sys/types.h>
#if STDC_HEADERS
#include <stdlib.h>
#endif

      
EOF
if (eval "$ac_cpp conftest.$ac_ext") 2>&5 |
  egrep "(^|[^a-zA-Z0-9_])pid_t([^a-zA-Z0-9_]|\$)" >/dev/null 2>&1; then
  rm -rf conftest*
  ac_cv_type_pid_t=yes
else
  rm -rf conftest*
  ac_cv_type_pid_t=no
fi
rm -f conftest*

fi

echo "$ac_t""$ac_cv_type_pid_t" 1>&6
  if test $ac_cv_type_pid_t = no; then
      cat >> confdefs.h <<\EOF
#define pid_t int
EOF

  fi
   
echo $ac_n "checking for uid_t in sys/types.h""... $ac_c" 1>&6
echo "configure:1947: checking for uid_t in sys/types.h" >&5
if eval "test \"`echo '$''{'ac_cv_type_uid_t'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
else
  cat > conftest.$ac_ext <<EOF
#line 1952 "configure"
#include "confdefs.h"
#include <sys/types.h>
#if STDC_HEADERS
#include <stdlib.h>
#endif

      
EOF
if (eval "$ac_cpp conftest.$ac_ext") 2>&5 |
  egrep "(^|[^a-zA-Z0-9_])uid_t([^a-zA-Z0-9_]|\$)" >/dev/null 2>&1; then
  rm -rf conftest*
  ac_cv_type_uid_t=yes
else
  rm -rf conftest*
  ac_cv_type_uid_t=no
fi
rm -f conftest*

fi

echo "$ac_t""$ac_cv_type_uid_t" 1>&6
  if test $ac_cv_type_uid_t = no; then
      cat >> confdefs.h <<\EOF
#define uid_t int
EOF

  fi
   
if test $ac_cv_type_uid_t = no; then
  cat >> confdefs.h <<\EOF
#define gid_t int
EOF

fi

echo $ac_n "checking return type of signal handlers""... $ac_c" 1>&6
echo "configure:2057: checking return type of signal handlers" >&5
if eval "test \"`echo '$''{'ac_cv_type_signal'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
else
  cat > conftest.$ac_ext <<EOF
#line 2062 "configure"
#include "confdefs.h"
#include <sys/types.h>
#include <signal.h>
#ifdef signal
#undef signal
#endif
#ifdef __cplusplus
extern "C" void (*signal (int, void (*)(int)))(int);
#else
void (*signal ()) ();
#endif

int main() {
int i;
; return 0; }
EOF
if { (eval echo configure:2079: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
  rm -rf conftest*
  ac_cv_type_signal=void
else
  echo "configure: failed program was:" >&5
  cat conftest.$ac_ext >&5
  rm -rf conftest*
  ac_cv_type_signal=int
fi
rm -f conftest*
fi

echo "$ac_t""$ac_cv_type_signal" 1>&6
cat >> confdefs.h <<EOF
#define RETSIGTYPE $ac_cv_type_signal
EOF


case $ac_cv_type_signal in
int)  ksh_cv_signal_retval=0 ;;
void) ksh_cv_signal_retval=  ;;
*)
    { echo "configure: error: Internal erorr: unknown signal return type: $ac_cv_type_signal" 1>&2; exit 1; }
esac
cat >> confdefs.h <<EOF
#define RETSIGVAL $ksh_cv_signal_retval
EOF

echo $ac_n "checking size of int""... $ac_c" 1>&6
echo "configure:2108: checking size of int" >&5
if eval "test \"`echo '$''{'ac_cv_sizeof_int'+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 2116 "configure"
#include "confdefs.h"
#include <stdio.h>
main()
{
  FILE *f=fopen("conftestval", "w");
  if (!f) exit(1);
  fprintf(f, "%d\n", sizeof(int));
  exit(0);
}
EOF
eval $ac_link
if test -s conftest$ac_exe_suffix && (./conftest; exit) 2>/dev/null; then
  ac_cv_sizeof_int=`cat conftestval`
else
  ac_cv_sizeof_int=0
fi
fi
rm -fr conftest*
fi
echo "$ac_t""$ac_cv_sizeof_int" 1>&6
cat >> confdefs.h <<EOF
#define SIZEOF_INT $ac_cv_sizeof_int
EOF


echo $ac_n "checking size of long""... $ac_c" 1>&6
echo "configure:2143: checking size of long" >&5
if eval "test \"`echo '$''{'ac_cv_sizeof_long'+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 2151 "configure"
#include "confdefs.h"
#include <stdio.h>
main()
{
  FILE *f=fopen("conftestval", "w");
  if (!f) exit(1);
  fprintf(f, "%d\n", sizeof(long));
  exit(0);
}
EOF
eval $ac_link
if test -s conftest$ac_exe_suffix && (./conftest; exit) 2>/dev/null; then
  ac_cv_sizeof_long=`cat conftestval`
else
  ac_cv_sizeof_long=0
fi
fi
rm -fr conftest*
fi
echo "$ac_t""$ac_cv_sizeof_long" 1>&6
cat >> confdefs.h <<EOF
#define SIZEOF_LONG $ac_cv_sizeof_long
EOF


echo $ac_n "checking for clock_t in any of <sys/types.h>, <sys/times.h> and <sys/time.h>""... $ac_c" 1>&6
echo "configure:2178: checking for clock_t in any of <sys/types.h>, <sys/times.h> and <sys/time.h>" >&5
if eval "test \"`echo '$''{'ac_cv_type_clock_t'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
else
  cat > conftest.$ac_ext <<EOF
#line 2183 "configure"
#include "confdefs.h"
#include <sys/types.h>
#if STDC_HEADERS
#include <stdlib.h>
#endif

#ifdef HAVE_SYS_TIME_H
#include <sys/time.h>
#endif /* HAVE_SYS_TIME_H */
#include <sys/times.h>
	
      
EOF
if (eval "$ac_cpp conftest.$ac_ext") 2>&5 |
  egrep "(^|[^a-zA-Z0-9_])clock_t([^a-zA-Z0-9_]|\$)" >/dev/null 2>&1; then
  rm -rf conftest*
  ac_cv_type_clock_t=yes
else
  rm -rf conftest*
  ac_cv_type_clock_t=no
fi
rm -f conftest*

fi

echo "$ac_t""$ac_cv_type_clock_t" 1>&6
  if test $ac_cv_type_clock_t = no; then
      cat >> confdefs.h <<\EOF
#define clock_t INT32
EOF

  fi
   
echo $ac_n "checking for sigset_t in <sys/types.h> and <signal.h>""... $ac_c" 1>&6
echo "configure:2218: checking for sigset_t in <sys/types.h> and <signal.h>" >&5
if eval "test \"`echo '$''{'ac_cv_type_sigset_t'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
else
  cat > conftest.$ac_ext <<EOF
#line 2223 "configure"
#include "confdefs.h"
#include <sys/types.h>
#if STDC_HEADERS
#include <stdlib.h>
#endif
#include <signal.h>
      
EOF
if (eval "$ac_cpp conftest.$ac_ext") 2>&5 |
  egrep "(^|[^a-zA-Z0-9_])sigset_t([^a-zA-Z0-9_]|\$)" >/dev/null 2>&1; then
  rm -rf conftest*
  ac_cv_type_sigset_t=yes
else
  rm -rf conftest*
  ac_cv_type_sigset_t=no
fi
rm -f conftest*

fi

echo "$ac_t""$ac_cv_type_sigset_t" 1>&6
  if test $ac_cv_type_sigset_t = no; then
      cat >> confdefs.h <<\EOF
#define sigset_t unsigned
EOF

  fi
   
echo $ac_n "checking for rlim_t in <sys/types.h> and <sys/resource.h>""... $ac_c" 1>&6
echo "configure:2253: checking for rlim_t in <sys/types.h> and <sys/resource.h>" >&5
if eval "test \"`echo '$''{'ac_cv_type_rlim_t'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
else
  cat > conftest.$ac_ext <<EOF
#line 2258 "configure"
#include "confdefs.h"
#include <sys/types.h>
#if STDC_HEADERS
#include <stdlib.h>
#endif
#ifdef HAVE_SYS_RESOURCE_H
#include <sys/resource.h>
#endif
      
EOF
if (eval "$ac_cpp conftest.$ac_ext") 2>&5 |
  egrep "(^|[^a-zA-Z0-9_])rlim_t([^a-zA-Z0-9_]|\$)" >/dev/null 2>&1; then
  rm -rf conftest*
  ac_cv_type_rlim_t=yes
else
  rm -rf conftest*
  ac_cv_type_rlim_t=no
fi
rm -f conftest*

fi

echo "$ac_t""$ac_cv_type_rlim_t" 1>&6
     if test $ac_cv_type_rlim_t = no; then
    echo $ac_n "checking what to set rlim_t to""... $ac_c" 1>&6
echo "configure:2284: checking what to set rlim_t to" >&5
    if test $ac_cv_header_sys_resource_h = yes; then
      if eval "test \"`echo '$''{'ksh_cv_rlim_check'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
else
  if test "$cross_compiling" = yes; then
  { echo "configure: error: cannot determine type for rlimt_t when cross compiling" 1>&2; exit 1; }
	  
else
cat > conftest.$ac_ext <<EOF
#line 2294 "configure"
#include "confdefs.h"

#include <sys/types.h>
#include <sys/time.h>
#include <sys/resource.h>
	    main()
	    {
	      struct rlimit rl;
	      if (sizeof(rl.rlim_cur) == sizeof(quad_t))
		exit(0);
	      exit(1);
	    }
	  
EOF
eval $ac_link
if test -s conftest$ac_exe_suffix && (./conftest; exit) 2>/dev/null; then
  ksh_cv_rlim_check=quad_t
else
  ksh_cv_rlim_check=long
fi
fi
rm -fr conftest*
fi
    else
      ksh_cv_rlim_check=long
    fi
    echo "$ac_t""$ksh_cv_rlim_check" 1>&6
    cat >> confdefs.h <<EOF
#define rlim_t $ksh_cv_rlim_check
EOF

  fi
 
echo $ac_n "checking for working memmove""... $ac_c" 1>&6
echo "configure:2329: checking for working memmove" >&5
if eval "test \"`echo '$''{'ksh_cv_func_memmove'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
else
  if test "$cross_compiling" = yes; then
  echo "configure: warning: assuming memmove broken" 1>&2; ksh_cv_func_memmove=no
else
cat > conftest.$ac_ext <<EOF
#line 2337 "configure"
#include "confdefs.h"

#ifdef HAVE_STRING_H
# include <string.h>
#else
# include <strings.h>
#endif
#ifdef HAVE_MEMORY_H
# include <memory.h>
#endif
        int
        main()
        {
	  char buf[16];
	  strcpy(buf, "abcdefABCDEF");
	  memmove(buf + 4, buf, 6);
	  if (strcmp(buf, "abcdabcdefE