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-rw-r--r--configure.ac2
1 files changed, 1 insertions, 1 deletions
diff --git a/configure.ac b/configure.ac
index 22ab3962..360249ea 100644
--- a/configure.ac
+++ b/configure.ac
@@ -220,7 +220,7 @@ AC_FUNC_FORK
AC_FUNC_GETGROUPS
AC_FUNC_SELECT_ARGTYPES
AC_CHECK_FUNCS([chmod chown getaddrinfo getgrgid_r getpwuid_r gettimeofday \
- getuid inet_ntop inet_pton nanosleep setpgid setsid sigaction sleep])
+ getuid inet_ntop inet_pton nanosleep pipe setpgid setsid sigaction sleep])
AC_CHECK_FUNCS([mkfifo], [HAVE_MKFIFO=1], [HAVE_MKFIFO=0])
AM_CONDITIONAL(HAVE_MKFIFO, test "x$HAVE_MKFIFO" = "x1")