Check whether we can take the address of chown, link, and symlink.
This commit is contained in:
Martin v. Löwis
parent
eb342298de
commit
c8ad7cc55e
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@ -1,5 +1,5 @@
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#! /bin/sh
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# From configure.in Revision: 1.363 .
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# From configure.in Revision: 1.364 .
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# Guess values for system-dependent variables and create Makefiles.
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# Generated by GNU Autoconf 2.53 for python 2.3.
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#
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@ -11964,18 +11964,15 @@ echo "${ECHO_T}MACHDEP_OBJS" >&6
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for ac_func in alarm chown chroot clock confstr ctermid ctermid_r execv \
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for ac_func in alarm chown clock confstr ctermid ctermid_r execv \
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fchdir flock fork fsync fdatasync fpathconf ftime ftruncate \
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gai_strerror getgroups getlogin getpeername getpgid getpid getpwent getwd \
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hstrerror inet_pton kill killpg lchown link lstat mkfifo mknod mktime \
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hstrerror inet_pton kill killpg lchown lstat mkfifo mknod mktime \
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mremap nice pathconf pause plock poll pthread_init \
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putenv readlink \
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select setegid seteuid setgid setgroups \
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setlocale setregid setreuid setsid setpgid setuid setvbuf snprintf \
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sigaction siginterrupt sigrelse strftime strptime symlink \
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sigaction siginterrupt sigrelse strftime strptime \
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sysconf tcgetpgrp tcsetpgrp tempnam timegm times tmpfile tmpnam tmpnam_r \
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truncate uname unsetenv utimes waitpid _getpty getpriority
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do
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@ -12053,6 +12050,150 @@ fi
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done
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# For some functions, having a definition is not sufficient, since
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# we want to take their address.
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echo "$as_me:$LINENO: checking for chroot" >&5
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echo $ECHO_N "checking for chroot... $ECHO_C" >&6
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cat >conftest.$ac_ext <<_ACEOF
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#line $LINENO "configure"
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#include "confdefs.h"
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#include <unistd.h>
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#ifdef F77_DUMMY_MAIN
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# ifdef __cplusplus
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extern "C"
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# endif
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int F77_DUMMY_MAIN() { return 1; }
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#endif
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int
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main ()
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{
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void *x=chroot
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;
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return 0;
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}
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_ACEOF
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rm -f conftest.$ac_objext
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if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
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(eval $ac_compile) 2>&5
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ac_status=$?
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echo "$as_me:$LINENO: \$? = $ac_status" >&5
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(exit $ac_status); } &&
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{ ac_try='test -s conftest.$ac_objext'
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{ (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
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(eval $ac_try) 2>&5
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ac_status=$?
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echo "$as_me:$LINENO: \$? = $ac_status" >&5
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(exit $ac_status); }; }; then
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cat >>confdefs.h <<\_ACEOF
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#define HAVE_CHROOT 1
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_ACEOF
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echo "$as_me:$LINENO: result: yes" >&5
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echo "${ECHO_T}yes" >&6
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else
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echo "$as_me: failed program was:" >&5
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cat conftest.$ac_ext >&5
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echo "$as_me:$LINENO: result: no" >&5
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echo "${ECHO_T}no" >&6
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fi
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rm -f conftest.$ac_objext conftest.$ac_ext
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echo "$as_me:$LINENO: checking for link" >&5
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echo $ECHO_N "checking for link... $ECHO_C" >&6
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cat >conftest.$ac_ext <<_ACEOF
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#line $LINENO "configure"
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#include "confdefs.h"
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#include <unistd.h>
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#ifdef F77_DUMMY_MAIN
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# ifdef __cplusplus
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extern "C"
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# endif
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int F77_DUMMY_MAIN() { return 1; }
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#endif
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int
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main ()
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{
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void *x=link
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;
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return 0;
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}
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_ACEOF
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rm -f conftest.$ac_objext
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if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
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(eval $ac_compile) 2>&5
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ac_status=$?
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echo "$as_me:$LINENO: \$? = $ac_status" >&5
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(exit $ac_status); } &&
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{ ac_try='test -s conftest.$ac_objext'
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{ (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
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(eval $ac_try) 2>&5
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ac_status=$?
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echo "$as_me:$LINENO: \$? = $ac_status" >&5
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(exit $ac_status); }; }; then
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cat >>confdefs.h <<\_ACEOF
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#define HAVE_LINK 1
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_ACEOF
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echo "$as_me:$LINENO: result: yes" >&5
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echo "${ECHO_T}yes" >&6
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else
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echo "$as_me: failed program was:" >&5
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cat conftest.$ac_ext >&5
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echo "$as_me:$LINENO: result: no" >&5
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echo "${ECHO_T}no" >&6
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fi
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rm -f conftest.$ac_objext conftest.$ac_ext
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echo "$as_me:$LINENO: checking for symlink" >&5
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echo $ECHO_N "checking for symlink... $ECHO_C" >&6
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cat >conftest.$ac_ext <<_ACEOF
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#line $LINENO "configure"
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#include "confdefs.h"
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#include <unistd.h>
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#ifdef F77_DUMMY_MAIN
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# ifdef __cplusplus
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extern "C"
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# endif
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int F77_DUMMY_MAIN() { return 1; }
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#endif
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int
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main ()
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{
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void *x=symlink
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;
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return 0;
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}
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_ACEOF
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rm -f conftest.$ac_objext
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if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
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(eval $ac_compile) 2>&5
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ac_status=$?
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echo "$as_me:$LINENO: \$? = $ac_status" >&5
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(exit $ac_status); } &&
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{ ac_try='test -s conftest.$ac_objext'
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{ (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
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(eval $ac_try) 2>&5
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ac_status=$?
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echo "$as_me:$LINENO: \$? = $ac_status" >&5
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(exit $ac_status); }; }; then
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cat >>confdefs.h <<\_ACEOF
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#define HAVE_SYMLINK 1
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_ACEOF
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echo "$as_me:$LINENO: result: yes" >&5
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echo "${ECHO_T}yes" >&6
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else
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echo "$as_me: failed program was:" >&5
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cat conftest.$ac_ext >&5
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echo "$as_me:$LINENO: result: no" >&5
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echo "${ECHO_T}no" >&6
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fi
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rm -f conftest.$ac_objext conftest.$ac_ext
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# check for openpty and forkpty
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27
configure.in
27
configure.in
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@ -1712,18 +1712,39 @@ fi
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AC_MSG_RESULT(MACHDEP_OBJS)
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# checks for library functions
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AC_CHECK_FUNCS(alarm chown chroot clock confstr ctermid ctermid_r execv \
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AC_CHECK_FUNCS(alarm chown clock confstr ctermid ctermid_r execv \
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fchdir flock fork fsync fdatasync fpathconf ftime ftruncate \
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gai_strerror getgroups getlogin getpeername getpgid getpid getpwent getwd \
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hstrerror inet_pton kill killpg lchown link lstat mkfifo mknod mktime \
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hstrerror inet_pton kill killpg lchown lstat mkfifo mknod mktime \
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mremap nice pathconf pause plock poll pthread_init \
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putenv readlink \
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select setegid seteuid setgid setgroups \
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setlocale setregid setreuid setsid setpgid setuid setvbuf snprintf \
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sigaction siginterrupt sigrelse strftime strptime symlink \
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sigaction siginterrupt sigrelse strftime strptime \
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sysconf tcgetpgrp tcsetpgrp tempnam timegm times tmpfile tmpnam tmpnam_r \
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truncate uname unsetenv utimes waitpid _getpty getpriority)
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# For some functions, having a definition is not sufficient, since
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# we want to take their address.
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AC_MSG_CHECKING(for chroot)
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AC_TRY_COMPILE([#include <unistd.h>], void *x=chroot,
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AC_DEFINE(HAVE_CHROOT, 1, Define if you have the 'chroot' function.)
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AC_MSG_RESULT(yes),
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AC_MSG_RESULT(no)
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)
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AC_MSG_CHECKING(for link)
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AC_TRY_COMPILE([#include <unistd.h>], void *x=link,
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AC_DEFINE(HAVE_LINK, 1, Define if you have the 'link' function.)
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AC_MSG_RESULT(yes),
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AC_MSG_RESULT(no)
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)
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AC_MSG_CHECKING(for symlink)
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AC_TRY_COMPILE([#include <unistd.h>], void *x=symlink,
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AC_DEFINE(HAVE_SYMLINK, 1, Define if you have the 'symlink' function.)
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AC_MSG_RESULT(yes),
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AC_MSG_RESULT(no)
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)
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# check for openpty and forkpty
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AC_CHECK_FUNCS(openpty,, AC_CHECK_LIB(util,openpty, [AC_DEFINE(HAVE_OPENPTY) LIBS="$LIBS -lutil"]))
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@ -42,7 +42,7 @@
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/* Define to 1 if you have the `chown' function. */
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#undef HAVE_CHOWN
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/* Define to 1 if you have the `chroot' function. */
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/* Define if you have the 'chroot' function. */
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#undef HAVE_CHROOT
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/* Define to 1 if you have the `clock' function. */
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@ -235,7 +235,7 @@
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/* Define to 1 if you have the <limits.h> header file. */
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#undef HAVE_LIMITS_H
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/* Define to 1 if you have the `link' function. */
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/* Define if you have the 'link' function. */
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#undef HAVE_LINK
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/* Define to 1 if you have the <locale.h> header file. */
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@ -444,7 +444,7 @@
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`HAVE_STRUCT_STAT_ST_BLOCKS' instead. */
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#undef HAVE_ST_BLOCKS
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/* Define to 1 if you have the `symlink' function. */
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/* Define if you have the 'symlink' function. */
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#undef HAVE_SYMLINK
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/* Define to 1 if you have the `sysconf' function. */
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