1diff -Naur a/configure.ac b/configure.ac
2--- a/configure.ac 2008-04-23 20:37:42.000000000 +0900
3+++ b/configure.ac 2021-05-16 01:28:24.000000000 +0900
4@@ -46,9 +46,7 @@
5
6 # Checks for library functions.
7 AC_FUNC_CHOWN
8-AC_FUNC_MALLOC
9 AC_FUNC_MKTIME
10-AC_FUNC_REALLOC
11 AC_FUNC_SELECT_ARGTYPES
12 AC_FUNC_STRFTIME
13 AC_FUNC_UTIME_NULL