* main.c (main): Set MAKE_TTYOUT and MAKE_TTYERR.

* configure.ac: Test for isatty() and ttyname()
* makeint.h: provide a substitute for ttyname() if it's not available.
* config.ami.template, config.h-vms.template, config.h.W32.template:
define/undefine HAVE_ISATTY/HAVE_TTYNAME macros.
* NEWS, doc/make.texi: Document these new variables.

1 files changed, 6 insertions, 0 deletions

diff --git a/makeint.h b/makeint.h
index ab41665..da267cb 100644
--- a/makeint.h
+++ b/makeint.h
@@ -424,6 +424,12 @@ extern struct rlimit stack_limit;
 /* The number of bytes needed to represent the largest integer as a string.  */
 #define INTSTR_LENGTH         CSTRLEN ("18446744073709551616")
 
+#ifdef HAVE_TTYNAME
+# define TTYNAME(_f) ttyname (_f)
+#else
+# define TTYNAME(_f) "true"
+#endif
+
 
 const char *concat (unsigned int, ...);
 void message (int prefix, size_t length, const char *fmt, ...)