Remove PHP_READDIR_R_TYPE

The PHP_READDIR_R_TYPE m4 macro has been removed via
2b28f71.

HAVE_POSIX_READDIR_R in windows header file is also not needed anymore.

Author: petk

UPGRADING.INTERNALS

@@ -218,7 +218,7 @@ PHP 7.4 INTERNALS UPGRADE NOTES
     - Local PHP m4 unused or obsolete macros have been removed:
       PHP_TARGET_RDYNAMIC, PHP_SOLARIS_PIC_WEIRDNESS, PHP_SYS_LFS,
       PHP_AC_BROKEN_SPRINTF, PHP_EXTENSION, PHP_DECLARED_TIMEZONE,
-      PHP_CHECK_TYPES, PHP_TM_GMTOFF, PHP_CHECK_64BIT.
+      PHP_CHECK_TYPES, PHP_TM_GMTOFF, PHP_CHECK_64BIT, PHP_READDIR_R_TYPE.
     - new --enable-rtld-now build option allow to switch dlopen behavior
       from RTLD_LAZY to RTLD_NOW
     - Minimum Bison version is 3.0+ for generating parser files.

configure.ac

@@ -717,7 +717,6 @@ fi
 AC_REPLACE_FUNCS(strlcat strlcpy explicit_bzero getopt)
 AC_FUNC_ALLOCA
 PHP_TIME_R_TYPE
-PHP_READDIR_R_TYPE
 PHP_CHECK_IN_ADDR_T
 
 AC_CHECK_FUNCS(crypt_r, [ php_crypt_r="1" ], [ php_crypt_r="0" ])

win32/build/config.w32.h.in

@@ -50,7 +50,6 @@
 
 #define HAVE_GETHOSTNAME 1
 #define HAVE_GETCWD 1
-#define HAVE_POSIX_READDIR_R 1
 #define NEED_ISBLANK 1
 #define DISCARD_PATH 0
 #undef HAVE_SETITIMER