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-rw-r--r--configure.in2
1 files changed, 1 insertions, 1 deletions
diff --git a/configure.in b/configure.in
index 21a39930..368bbf75 100644
--- a/configure.in
+++ b/configure.in
@@ -533,7 +533,7 @@ dnl
AC_HEADER_STDC
AC_HEADER_TIME
AC_HEADER_SYS_WAIT
-AC_CHECK_HEADERS(signal.h strings.h string.h syslog.h uio.h errno.h regex.h sys/types.h sys/time.h sys/socket.h sys/loadavg.h)
+AC_CHECK_HEADERS(signal.h strings.h string.h syslog.h uio.h errno.h regex.h sys/types.h sys/time.h sys/socket.h sys/loadavg.h sys/un.h)
AC_CHECK_HEADERS(features.h stdarg.h sys/unistd.h ctype.h stdlib.h)
dnl Checks for typedefs, structures, and compiler characteristics.