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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 92d7bb1b..302249f8 100644
--- a/configure.ac
+++ b/configure.ac
@@ -102,7 +102,7 @@ AC_HEADER_SYS_WAIT
AC_CHECK_HEADERS(stdint.h fcntl.h inttypes.h unistd.h byteswap.h)
AC_CHECK_HEADERS(spawn.h utime.h wchar.h wctype.h)
AC_CHECK_HEADERS(getopt.h err.h xlocale.h)
-AC_CHECK_HEADERS(sys/bswap.h sys/mman.h sys/stat.h sys/types.h sys/utime.h sys/time.h sys/sysmacros.h)
+AC_CHECK_HEADERS(sys/bswap.h sys/mman.h sys/stat.h sys/types.h sys/utime.h sys/time.h sys/sysmacros.h sys/ioctl.h)
if test "$enable_zlib" != "no"; then
AC_CHECK_HEADERS(zlib.h)
fi