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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 4c6a4c81..856c054c 100644
--- a/configure.in
+++ b/configure.in
@@ -396,7 +396,7 @@ dnl Checks for header files.
AC_HEADER_DIRENT
AC_HEADER_STDC
AC_HEADER_SYS_WAIT
-AC_CHECK_HEADERS(fcntl.h limits.h malloc.h sys/file.h sys/ioctl.h sys/time.h syslog.h termio.h unistd.h sys/fsuid.h inittypes.h)
+AC_CHECK_HEADERS(fcntl.h limits.h malloc.h sys/file.h sys/ioctl.h sys/time.h syslog.h net/if.h termio.h unistd.h sys/fsuid.h inittypes.h)
AC_CHECK_HEADERS(crypt.h)