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-rw-r--r--configure.in19
1 files changed, 0 insertions, 19 deletions
diff --git a/configure.in b/configure.in
index f022744f4..d275d6fb0 100644
--- a/configure.in
+++ b/configure.in
@@ -883,25 +883,6 @@ zsh_PATH_UTMP(wtmp)
 zsh_PATH_UTMP(utmpx)
 zsh_PATH_UTMP(wtmpx)
 
-dnl ----------------
-dnl TYPEAHEAD KLUDGE
-dnl ----------------
-dnl Some systems clobber typeahead when you go from canonical input
-dnl processing to non-canonical, so we need a FIONREAD ioctl.
-dnl I don't know how to check this with configure, so I am using the
-dnl system names directly.
-dnl The doubled square brackets are necessary because autoconf uses m4.
-AC_CACHE_CHECK(if typeahead needs FIONREAD, zsh_cv_sys_clobbers_typeahead,
-[case x-$host_vendor-$host_os in
-    x-*-ultrix* | x-*-dgux* | x-sni-sysv4* | x-*-irix*)
-	zsh_cv_sys_clobbers_typeahead=yes;;
-    *)
-	zsh_cv_sys_clobbers_typeahead=no;;
-esac])
-if test $zsh_cv_sys_clobbers_typeahead = yes; then
-  AC_DEFINE(CLOBBERS_TYPEAHEAD)
-fi
-
 dnl -------------------
 dnl brk/sbrk PROTOTYPES
 dnl -------------------