-Wno-unused-parameter \
-Wno-missing-field-initializers \
-Wno-unused-result \
- -Wno-typedef-redefinition \
-Werror=overflow \
-Wdate-time \
-Wnested-externs \
-fstack-protector-strong \
-fPIE \
--param=ssp-buffer-size=4])
+
+AS_CASE([$CC], [*clang*],
+ [CC_CHECK_FLAGS_APPEND([with_cppflags], [CPPFLAGS], [\
+ -Wno-typedef-redefinition \
+ -Wno-gnu-variable-sized-type-not-at-end \
+ ])])
+
AS_CASE([$CFLAGS], [*-O[[12345\ ]]*],
[CC_CHECK_FLAGS_APPEND([with_cflags], [CFLAGS], [\
-flto -ffat-lto-objects])],
AC_SUBST(RT_LIBS)
LIBS="$save_LIBS"
-AC_CHECK_FUNCS([fanotify_init fanotify_mark])
AC_CHECK_FUNCS([memfd_create])
AC_CHECK_FUNCS([__secure_getenv secure_getenv])
AC_CHECK_DECLS([gettid, pivot_root, name_to_handle_at, setns, LO_FLAGS_PARTSCAN],