AC_DEFUN([LINUX_FREEZER_H_EXISTS], [
AC_MSG_CHECKING([for linux/freezer.h existance])
AC_CACHE_VAL([ac_cv_linux_freezer_h_exists], [
- save_CPPFLAGS="$CPPFLAGS"
- CPPFLAGS="$CPPFLAGS -Werror-implicit-function-declaration"
AC_TRY_KBUILD(
[#include <linux/freezer.h>],
[return;],