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-rw-r--r--sapi/phpdbg/config.m41
1 files changed, 1 insertions, 0 deletions
diff --git a/sapi/phpdbg/config.m4 b/sapi/phpdbg/config.m4
index ecac171506..1a6640eaca 100644
--- a/sapi/phpdbg/config.m4
+++ b/sapi/phpdbg/config.m4
@@ -9,6 +9,7 @@ PHP_ARG_ENABLE(phpdbg-debug, for phpdbg debug build,
[ --enable-phpdbg-debug Build phpdbg in debug mode], no, no)
if test "$PHP_PHPDBG" != "no"; then
+ AC_HEADER_TIOCGWINSZ
AC_DEFINE(HAVE_PHPDBG, 1, [ ])
if test "$PHP_PHPDBG_DEBUG" != "no"; then