still unavailable mcrypt with php4 ?

Hi, all. I have compile error with mcrypt. Is it still unavailable ? My source list: libmcrypt-2.4.2 php-4.0b3 redhat 6.2 regard, sds --- this is error messages: mcrypt.c:111: warning: `MCRYPT_FAILED' redefined /usr/local/include/mcrypt.h:28: warning: this is the location of the previous definition mcrypt.c: In function `php3_minit_mcrypt': mcrypt.c:130: `MCRYPT_BLOWFISH_448' undeclared (first use in this function) mcrypt.c:130: (Each undeclared identifier is reported only once mcrypt.c:130: for each function it appears in.) mcrypt.c:131: warning: passing arg 3 of `zend_register_long_constant' makes integer from pointer without a cast mcrypt.c:132: warning: passing arg 3 of `zend_register_long_constant' makes integer from pointer without a cast mcrypt.c:133: warning: passing arg 3 of `zend_register_long_constant' makes integer from pointer without a cast mcrypt.c:134: warning: passing arg 3 of `zend_register_long_constant' makes integer from pointer without a cast mcrypt.c:135: `MCRYPT_SAFER_64' undeclared (first use in this function) mcrypt.c:136: `MCRYPT_SAFER_128' undeclared (first use in this function) mcrypt.c:137: warning: passing arg 3 of `zend_register_long_constant' makes integer from pointer without a cast mcrypt.c:138: warning: passing arg 3 of `zend_register_long_constant' makes integer from pointer without a cast mcrypt.c:139: `MCRYPT_RC2_1024' undeclared (first use in this function) mcrypt.c:140: `MCRYPT_TWOFISH_128' undeclared (first use in this function) mcrypt.c:141: `MCRYPT_TWOFISH_192' undeclared (first use in this function) mcrypt.c:142: `MCRYPT_TWOFISH_256' undeclared (first use in this function) mcrypt.c:143: `MCRYPT_BLOWFISH_128' undeclared (first use in this function) mcrypt.c:144: `MCRYPT_BLOWFISH_192' undeclared (first use in this function) mcrypt.c:145: `MCRYPT_BLOWFISH_256' undeclared (first use in this function) mcrypt.c:146: warning: passing arg 3 of `zend_register_long_constant' makes integer from pointer without a cast mcrypt.c:147: warning: passing arg 3 of `zend_register_long_constant' makes integer from pointer without a cast mcrypt.c:148: warning: passing arg 3 of `zend_register_long_constant' makes integer from pointer without a cast mcrypt.c:149: `MCRYPT_SERPENT_128' undeclared (first use in this function) mcrypt.c:150: `MCRYPT_SERPENT_192' undeclared (first use in this function) mcrypt.c:151: `MCRYPT_SERPENT_256' undeclared (first use in this function) mcrypt.c:152: warning: passing arg 3 of `zend_register_long_constant' makes integer from pointer without a cast mcrypt.c:153: warning: passing arg 3 of `zend_register_long_constant' makes integer from pointer without a cast mcrypt.c:154: warning: passing arg 3 of `zend_register_long_constant' makes integer from pointer without a cast mcrypt.c:155: `MCRYPT_RC2_256' undeclared (first use in this function) mcrypt.c:156: `MCRYPT_RC2_128' undeclared (first use in this function) mcrypt.c:157: `MCRYPT_RC6_256' undeclared (first use in this function) mcrypt.c:158: `MCRYPT_IDEA' undeclared (first use in this function) mcrypt.c:159: `MCRYPT_RC6_128' undeclared (first use in this function) mcrypt.c:160: `MCRYPT_RC6_192' undeclared (first use in this function) mcrypt.c:161: `MCRYPT_RC4' undeclared (first use in this function) mcrypt.c: In function `php3_mcrypt_get_cipher_name': mcrypt.c:236: warning: assignment makes pointer from integer without a cast make[3]: *** [mcrypt.lo] Error 1 make[2]: *** [all-recursive] Error 1 make[1]: *** [all-recursive] Error 1 make: *** [all-recursive-am] Error 2