@@ -848,10 +848,12 @@
 	AC_CHECK_FUNC(readlink, [
 		AC_DEFINE(OF_HAVE_READLINK, 1, [Whether we have readlink()])
 	])
 	AC_CHECK_FUNCS([lstat])
 
+	old_OBJCFLAGS="$OBJCFLAGS"
+	OBJCFLAGS="$OBJCFLAGS -Werror=deprecated"
 	AC_MSG_CHECKING(for readdir_r)
 	AC_TRY_COMPILE([
 		#include <dirent.h>
 	], [
 		DIR *dir = 0;
@@ -862,10 +864,11 @@
 		AC_MSG_RESULT(yes)
 		AC_DEFINE(HAVE_READDIR_R, 1, [Whether we have readdir_r()])
 	], [
 		AC_MSG_RESULT(no)
 	])
+	OBJCFLAGS="$old_OBJCFLAGS"
 ])
 
 AC_CHECK_FUNCS([sysconf gmtime_r localtime_r nanosleep fcntl])
 
 AC_CHECK_FUNC(pipe, [