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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 18132757c..545f1fb58 100644
--- a/configure.ac
+++ b/configure.ac
@@ -583,7 +583,7 @@ AC_CHECK_FUNC(
)
AC_CHECK_FUNCS(prctl mallinfo getpass closefrom getpwnam_r getgrnam_r getpwuid_r)
-AC_CHECK_FUNCS(fmemopen funopen mmap memrchr setlinebuf strptime)
+AC_CHECK_FUNCS(fmemopen funopen mmap memrchr setlinebuf strptime dirfd)
AC_CHECK_FUNC([syslog], [
AC_DEFINE([HAVE_SYSLOG], [], [have syslog(3) and friends])