srtp 在 make 命令 ubuntu 上给出错误

Question

构建 Asterisk 时，make && make install命令显示错误：

cd /usr/local/src/
wget http://srtp.sourceforge.net/srtp-1.4.2.tgz
tar zxvf srtp-1.4.2.tgz
cd /usr/local/src/srtp
./configure CFLAGS=-fPIC --prefix=/usr/local/lib
make && make install

错误 ：

root@odooenterprise:/usr/local/src/srtp# sudo make
gcc -DHAVE_CONFIG_H -Icrypto/include -I./include -I./crypto/include  -fPIC -L. crypto/test/aes_calc.c -o crypto/test/aes_calc -lsrtp
In file included from crypto/test/aes_calc.c:21:0:
crypto/include/aes.h:63:1: warning: inline function ‘aes_expand_decryption_key’ declared but never defined
 aes_expand_decryption_key(const v128_t *key,
 ^
crypto/include/aes.h:59:1: warning: inline function ‘aes_expand_encryption_key’ declared but never defined
 aes_expand_encryption_key(const v128_t *key,
 ^
/tmp/ccwdFuqZ.o: In function `main':
aes_calc.c:(.text+0x2a9): undefined reference to `aes_expand_encryption_key'
./libsrtp.a(datatypes.o): In function `is_hex_string':
datatypes.c:(.text+0x173): undefined reference to `hex_char_to_nibble'
./libsrtp.a(datatypes.o): In function `hex_string_to_octet_string':
datatypes.c:(.text+0x1be): undefined reference to `hex_char_to_nibble'
datatypes.c:(.text+0x1ee): undefined reference to `hex_char_to_nibble'
collect2: error: ld returned 1 exit status
Makefile:71: recipe for target 'crypto/test/aes_calc' failed
make: *** [crypto/test/aes_calc] Error 1