[Autoconf-patches] Fix for AC_HEADER_TIOCGWINSZ

[Pavel Roskin]

Hello!

Macros _AC_HEADER_TIOCGWINSZ_IN_TERMIOS_H doesn't always set the cache
variable ac_cv_sys_tiocgwinsz_in_termios_h inside AC_CACHE_CHECK. Notably,
this variable is never set to "no".

Exactly the same problem exists in _AC_HEADER_TIOCGWINSZ_IN_SYS_IOCTL.

AC_HEADER_TIOCGWINSZ assumes those variables to be non-empty and fails
with a shell error, as reported by Nicolas Joly <address@hidden> in
address@hidden

This patch fixes the problem.

Regards,
Pavel Roskin

============================
Index: ChangeLog
--- ChangeLog   Tue Sep 19 17:23:25 2000
+++ ChangeLog   Tue Sep 19 20:05:20 2000
@@ -0,0 +1,6 @@
+2000-09-19  Pavel Roskin  <address@hidden>
+
+       * acspecific.m4 (_AC_HEADER_TIOCGWINSZ_IN_TERMIOS_H): Cache
+       variable wasn't always set inside AC_CACHE_CHECK
+       (_AC_HEADER_TIOCGWINSZ_IN_SYS_IOCTL): Likewise.
+
Index: acspecific.m4
--- acspecific.m4       Tue Sep 12 11:10:11 2000
+++ acspecific.m4       Tue Sep 19 19:38:18 2000
@@ -559,7 +559,8 @@
   yes
 #endif
 ],
-                ac_cv_sys_tiocgwinsz_in_termios_h=yes)])
+[ac_cv_sys_tiocgwinsz_in_termios_h=yes],
+[ac_cv_sys_tiocgwinsz_in_termios_h=no])])
 ])# _AC_HEADER_TIOCGWINSZ_IN_TERMIOS_H
 
 
@@ -575,7 +576,8 @@
   yes
 #endif
 ],
-                ac_cv_sys_tiocgwinsz_in_sys_ioctl_h=yes)])
+[ac_cv_sys_tiocgwinsz_in_sys_ioctl_h=yes],
+[ac_cv_sys_tiocgwinsz_in_sys_ioctl_h=no])])
 ])# _AC_HEADER_TIOCGWINSZ_IN_SYS_IOCTL
 
 
============================