* io/unix.c (stream_ttyname): Protect use of ttyname by

	HAVE_TTYNAME macro.
	* configure.ac: Add check for ttyname.
	* config.h.in: Regenerate.
	* configure: Regenerate.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@103794 138bc75d-0d04-0410-961f-82ee72b054a4

5 files changed, 18 insertions, 2 deletions

diff --git a/libgfortran/ChangeLog b/libgfortran/ChangeLog
index 1dd69cb2844..a2dba91b4db 100644
--- a/libgfortran/ChangeLog
+++ b/libgfortran/ChangeLog
@@ -1,3 +1,11 @@
+2005-09-02  Francois-Xavier Coudert  <coudert@clipper.ens.fr>
+
+	* io/unix.c (stream_ttyname): Protect use of ttyname by
+	HAVE_TTYNAME macro.
+	* configure.ac: Add check for ttyname.
+	* config.h.in: Regenerate.
+	* configure: Regenerate.
+
 2005-09-02  Andreas Jaeger  <aj@suse.de>
 
 	* libgfortran.h: Add prototype for init_compile_options.
diff --git a/libgfortran/config.h.in b/libgfortran/config.h.in
index c84938e0809..bc110c9fffa 100644
--- a/libgfortran/config.h.in
+++ b/libgfortran/config.h.in
@@ -288,6 +288,9 @@
 /* libm includes truncf */
 #undef HAVE_TRUNCF
 
+/* Define to 1 if you have the `ttyname' function. */
+#undef HAVE_TTYNAME
+
 /* Define to 1 if you have the <unistd.h> header file. */
 #undef HAVE_UNISTD_H
 
diff --git a/libgfortran/configure b/libgfortran/configure
index 293fe0d53ef..6b6df14c4f9 100755
--- a/libgfortran/configure
+++ b/libgfortran/configure
@@ -7409,7 +7409,8 @@ done
 
 
 
-for ac_func in sleep time
+
+for ac_func in sleep time ttyname
 do
 as_ac_var=`echo "ac_cv_func_$ac_func" | $as_tr_sh`
 echo "$as_me:$LINENO: checking for $ac_func" >&5
diff --git a/libgfortran/configure.ac b/libgfortran/configure.ac
index 41dc7e67b54..8968d45bf3a 100644
--- a/libgfortran/configure.ac
+++ b/libgfortran/configure.ac
@@ -171,7 +171,7 @@ AC_CHECK_LIB([m],[csin],[need_math="no"],[need_math="yes"])
 # Check for library functions.
 AC_CHECK_FUNCS(getrusage times mkstemp strtof strtold snprintf ftruncate chsize)
 AC_CHECK_FUNCS(chdir strerror getlogin gethostname kill link symlink perror)
-AC_CHECK_FUNCS(sleep time)
+AC_CHECK_FUNCS(sleep time ttyname)
 
 # Check libc for getgid, getpid, getuid
 AC_CHECK_LIB([c],[getgid],[AC_DEFINE([HAVE_GETGID],[1],[libc includes getgid])])
diff --git a/libgfortran/io/unix.c b/libgfortran/io/unix.c
index a0ed7b64510..69101efff04 100644
--- a/libgfortran/io/unix.c
+++ b/libgfortran/io/unix.c
@@ -1548,7 +1548,11 @@ stream_isatty (stream *s)
 char *
 stream_ttyname (stream *s)
 {
+#ifdef HAVE_TTYNAME
   return ttyname (((unix_stream *) s)->fd);
+#else
+  return NULL;
+#endif
 }