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-rw-r--r--configure.ac2
1 files changed, 2 insertions, 0 deletions
diff --git a/configure.ac b/configure.ac
index 16554f4..04b9d60 100644
--- a/configure.ac
+++ b/configure.ac
@@ -77,6 +77,8 @@ else
AC_MSG_ERROR([no zlib found in the system.])
fi
+AC_DEFINE([HOOK_STDS], 1, [Hook the standard input/outputs])
+
if test x$ac_cv_wd_gzwrite != xyes ; then
AC_MSG_WARN([You have a broken zconf.h.]
[You should patch this using]