間違ってstrstr()等を使ってしまう自体を出来るだけ避ける為に、
これらの関数をサポートする為の定義を削除。
AC_TYPE_SIGNAL
AC_FUNC_STRFTIME
AC_FUNC_VPRINTF
-AC_CHECK_FUNCS(gethostname mkdir select socket strstr strtol vasprintf vsnprintf mkstemp usleep)
+AC_CHECK_FUNCS(gethostname mkdir select socket strtol vasprintf vsnprintf mkstemp usleep)
AC_OUTPUT(Makefile src/Makefile lib/Makefile lib/apex/Makefile lib/bone/Makefile lib/data/Makefile lib/edit/Makefile lib/file/Makefile lib/help/Makefile lib/info/Makefile lib/pref/Makefile lib/save/Makefile lib/script/Makefile lib/user/Makefile lib/xtra/Makefile lib/xtra/font/Makefile lib/xtra/graf/Makefile lib/xtra/music/Makefile lib/xtra/sound/Makefile)
/*
- * OPTION: Hack -- Make sure "strchr()" and "strrchr()" will work
- */
-#if defined(SYS_III) || defined(SYS_V) || defined(MSDOS)
-# if !defined(__TURBOC__) && !defined(__WATCOMC__) && !defined(__DJGPP__)
-# define strchr index
-# define strrchr rindex
-# endif
-#endif
-
-
-/*
* OPTION: Define "HAS_STRICMP" only if "stricmp()" exists.
* Note that "stricmp()" is not actually used by Angband.
*/