* configure.ac: Test for isatty.

* configure: Regenerated.
* src/include/posix.h: Check HAVE_ISATTY.
* src/roff/troff/input.cc [ISATTY_MISSING]: Removed.
* src/utils/lookbib/lookbib.cc: Include posix.h.
Don't declare isatty.

* NEWS: Add `output' request.

* REVISION: Increased to 1.

1 files changed, 2 insertions, 1 deletions

diff --git a/configure b/configure
index 22796975..ca4a19fa 100755
--- a/configure
+++ b/configure
@@ -5246,7 +5246,8 @@ LIBS="$saved_libs"
 
 
 
-for ac_func in gettimeofday rename strcasecmp strncasecmp strsep
+
+for ac_func in gettimeofday isatty rename strcasecmp strncasecmp strsep
 do
 as_ac_var=`echo "ac_cv_func_$ac_func" | $as_tr_sh`
 echo "$as_me:$LINENO: checking for $ac_func" >&5