-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether we are using the GNU C library" >&5
-$as_echo_n "checking whether we are using the GNU C library... " >&6; }
-cat confdefs.h - <<_ACEOF >conftest.$ac_ext
-/* end confdefs.h. */
-
-#include <features.h>
-#ifndef __GNU_LIBRARY__
-# error "this is not the GNU C library"
-#endif
-
-int
-main ()
-{
-
- ;
- return 0;
-}
-_ACEOF
-if ac_fn_c_try_cpp "$LINENO"; then :
- emacs_glibc=yes
-else
- emacs_glibc=no
-fi
-rm -f conftest.err conftest.$ac_ext
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $emacs_glibc" >&5
-$as_echo "$emacs_glibc" >&6; }
-
-if test $emacs_glibc = yes; then
-
- emacs_pending_output=unknown
-
- case $opsys in
- gnu | gnu-linux | gnu-kfreebsd )
- { $as_echo "$as_me:${as_lineno-$LINENO}: checking for style of pending output formalism" >&5
-$as_echo_n "checking for style of pending output formalism... " >&6; }
- cat confdefs.h - <<_ACEOF >conftest.$ac_ext
-/* end confdefs.h. */
-
-#include <stdio.h>
-#if !defined (_IO_STDIO_H) && !defined (_STDIO_USES_IOSTREAM)
-# error "stdio definitions not found"
-#endif
-
-int
-main ()
-{
-
- ;
- return 0;
-}
-_ACEOF
-if ac_fn_c_try_cpp "$LINENO"; then :
- emacs_pending_output=new
-fi
-rm -f conftest.err conftest.$ac_ext
-
- if test $emacs_pending_output = unknown; then
- case $opsys in
- gnu-linux | gnu-kfreebsd)
- cat confdefs.h - <<_ACEOF >conftest.$ac_ext
-/* end confdefs.h. */
-
-#include <stdio.h>
-#ifndef __UCLIBC__
-# error "not using uclibc"
-#endif
-
-int
-main ()
-{
-
- ;
- return 0;
-}
-_ACEOF
-if ac_fn_c_try_cpp "$LINENO"; then :
- emacs_pending_output=uclibc
-else
- emacs_pending_output=old
-fi
-rm -f conftest.err conftest.$ac_ext
- ;;
- esac
- fi
-
- { $as_echo "$as_me:${as_lineno-$LINENO}: result: $emacs_pending_output" >&5
-$as_echo "$emacs_pending_output" >&6; }
-
- case $emacs_pending_output in
- new)
- $as_echo "#define PENDING_OUTPUT_COUNT(FILE) ((FILE)->_IO_write_ptr - (FILE)->_IO_write_base)" >>confdefs.h
-
- ;;
- uclibc)
- $as_echo "#define PENDING_OUTPUT_COUNT(FILE) ((FILE)->__bufpos - (FILE)->__bufstart)" >>confdefs.h
-
- ;;
- old)
- $as_echo "#define PENDING_OUTPUT_COUNT(FILE) ((FILE)->_pptr - (FILE)->_pbase)" >>confdefs.h
-
- ;;
- esac
- ;;
- esac
- if test $emacs_pending_output = unknown; then
- $as_echo "#define PENDING_OUTPUT_COUNT(FILE) ((FILE)->__bufp - (FILE)->__buffer)" >>confdefs.h
-
- fi
-
-else
- case $opsys in
- cygwin | darwin | freebsd | netbsd | openbsd )
- $as_echo "#define PENDING_OUTPUT_COUNT(FILE) ((FILE)->_p - (FILE)->_bf._base)" >>confdefs.h
-
- ;;
-
- unixware)
- $as_echo "#define PENDING_OUTPUT_COUNT(FILE) ((FILE)->__ptr - (FILE)->__base)" >>confdefs.h
-
- ;;
-
- *)
- if test x$ac_cv_header_stdio_ext_h = xyes && \
- test x$ac_cv_func___fpending = xyes; then
- $as_echo "#define PENDING_OUTPUT_COUNT(FILE) __fpending (FILE)" >>confdefs.h
-
-
-$as_echo "#define DISPNEW_NEEDS_STDIO_EXT 1" >>confdefs.h
-
- else
- $as_echo "#define PENDING_OUTPUT_COUNT(FILE) ((FILE)->_ptr - (FILE)->_base)" >>confdefs.h
-
- fi
- ;;
- esac
-fi
-
-
-