64位centos7上rsync编译时报错未知类型int32，请教如何解决？打印信息如下：
/*In file included from ./rounding.c:20:0:
./rsync.h:576:3: 错误：#error Could not find a 32-bit integer variable
error Could not find a 32-bit integer variable
^
./rsync.h:645:2: 错误：未知的类型名‘int32’
int32 size, entries;
^
./rsync.h:646:9: 错误：expected ‘:’, ‘,’, ‘;’, ‘}’ or ‘__attribute__’ before ‘node_size’
uint32 node_size;
^
./rsync.h:652:2: 错误：未知的类型名‘int32’
int32 key;
^
./rsync.h:732:3: 错误：#error Character pointers are not 4 or 8 bytes.
error Character pointers are not 4 or 8 bytes.
^
./rsync.h:736:2: 错误：未知的类型名‘int32’
int32 num;
^
./rsync.h:737:9: 错误：expected ‘:’, ‘,’, ‘;’, ‘}’ or ‘__attribute__’ before ‘unum’
uint32 unum;
^
./rsync.h:753:9: 错误：expected ‘:’, ‘,’, ‘;’, ‘}’ or ‘__attribute__’ before ‘len32’
uint32 len32; /* Lowest 32 bits of the file's length */
^
./rsync.h:895:2: 错误：未知的类型名‘int32’
int32 len; /< length of chunk of file */
^
./rsync.h:896:9: 错误：expected ‘:’, ‘,’, ‘;’, ‘}’ or ‘__attribute__’ before ‘sum1’
uint32 sum1; /**< simple checksum */
^
./rsync.h:905:2: 错误：未知的类型名‘int32’
int32 count; /< how many chunks */
^
./rsync.h:906:2: 错误：未知的类型名‘int32’
int32 blength; /**< block_length */
^
./rsync.h:907:2: 错误：未知的类型名‘int32’
int32 remainder; /**< flength % block_length /
^
./rsync.h:916:2: 错误：未知的类型名‘int32’
int32 p_size; / Largest window size we allocated /
^
./rsync.h:917:2: 错误：未知的类型名‘int32’
int32 p_len; / Latest (rounded) window size /
^
./rsync.h:918:2: 错误：未知的类型名‘int32’
int32 def_window_size; / Default window size */
^
./rsync.h:954:9: 错误：expected ‘:’, ‘,’, ‘;’, ‘}’ or ‘__attribute__’ before ‘rflags’
uint32 rflags;
^
In file included from ./rsync.h:1041:0,
from ./rounding.c:20:
./byteorder.h:76:1: 错误：expected ‘=’, ‘,’, ‘;’, ‘asm’ or ‘__attribute__’ before ‘IVALu’
IVALu(const uchar *buf, int pos)
^
./byteorder.h:87:36: 错误：expected ‘;’, ‘,’ or ‘)’ before ‘val’
SIVALu(uchar *buf, int pos, uint32 val)
^
./byteorder.h:122:1: 错误：expected ‘=’, ‘,’, ‘;’, ‘asm’ or ‘__attribute__’ before ‘IVAL’
IVAL(const char *buf, int pos)
^
./byteorder.h:128:34: 错误：expected ‘;’, ‘,’ or ‘)’ before ‘val’
SIVAL(char *buf, int pos, uint32 val)
^
In file included from ./rsync.h:1042:0,
from ./rounding.c:20:
./lib/mdigest.h:10:9: 错误：expected ‘:’, ‘,’, ‘;’, ‘}’ or ‘__attribute__’ before ‘A’
uint32 A, B, C, D;
^
./lib/mdigest.h:17:60: 错误：expected ‘;’, ‘,’ or ‘)’ before ‘length’
void mdfour_update(md_context *md, const uchar *in, uint32 length);
^
In file included from ./rsync.h:1101:0,
from ./rounding.c:20:
./proto.h:28:8: 错误：expected ‘=’, ‘,’, ‘;’, ‘asm’ or ‘__attribute__’ before ‘get_checksum1’
uint32 get_checksum1(char *buf1, int32 len);
^
./proto.h:29:31: 错误：未知的类型名‘int32’
void get_checksum2(char *buf, int32 len, char *sum);
^
./proto.h:32:32: 错误：未知的类型名‘int32’
void sum_update(const char *p, int32 len);
^
./proto.h:70:41: 错误：expected ‘;’, ‘,’ or ‘)’ before ‘rflags’
const filter_rule *rule_template(uint32 rflags);
^
./proto.h:82:48: 错误：未知的类型名‘int32’
struct map_struct *map_file(int fd, OFF_T len, int32 read_size, int32 blk_size);
^
./proto.h:82:65: 错误：未知的类型名‘int32’
struct map_struct *map_file(int fd, OFF_T len, int32 read_size, int32 blk_size);
^
./proto.h:83:53: 错误：未知的类型名‘int32’
char *map_ptr(struct map_struct *map, OFF_T offset, int32 len);
^
./proto.h:110:20: 错误：未知的类型名‘int32’
stat_x *sxp, int32 iflags, uchar fnamecmp_type,
^
./proto.h:158:1: 错误：未知的类型名‘int32’
int32 read_int(int f);
^
./proto.h:159:1: 错误：未知的类型名‘int32’
int32 read_varint(int f);
^
./proto.h:170:23: 错误：未知的类型名‘int32’
void write_int(int f, int32 x);
^
./proto.h:171:26: 错误：未知的类型名‘int32’
void write_varint(int f, int32 x);
^
./proto.h:179:23: 错误：未知的类型名‘int32’
void write_ndx(int f, int32 ndx);
^
./proto.h:180:1: 错误：未知的类型名‘int32’
int32 read_ndx(int f);
^
./proto.h:295:24: 错误：未知的类型名‘int32’
void send_token(int f, int32 token, struct map_struct *buf, OFF_T offset,
^
./proto.h:296:3: 错误：未知的类型名‘int32’
int32 n, int32 toklen);
^
./proto.h:296:12: 错误：未知的类型名‘int32’
int32 n, int32 toklen);
^
./proto.h:297:1: 错误：未知的类型名‘int32’
int32 recv_token(int f, char **data);
^
./proto.h:298:28: 错误：未知的类型名‘int32’
void see_token(char *data, int32 toklen);
^
./proto.h:352:8: 错误：expected ‘=’, ‘,’, ‘;’, ‘asm’ or ‘__attribute__’ before ‘fuzzy_distance’
uint32 fuzzy_distance(const char *s1, unsigned len1, const char s2, unsigned len2);/
^
./rounding.c: 在函数‘main’中:
./rounding.c:35:13: 警告：变量‘test_array’被设定但未被使用 [-Wunused-but-set-variable]
static int test_array[1 - 2 * (ACTUAL_SIZE != EXPECTED_SIZE)];
