Question

linux ./configure

[root@localhost libpcap-0.8.1]# ./configure
loading cache ./config.cache
checking host system type... i686-pc-linux-gnu
checking target system type... i686-pc-linux-gnu
checking build system type... i686-pc-linux-gnu
checking for gcc... (cached) gcc
checking whether the C compiler (gcc ) works... yes
checking whether the C compiler (gcc ) is a cross-compiler... no
checking whether we are using GNU C... (cached) yes
checking whether gcc accepts -g... (cached) yes
checking gcc version... (cached) 4
checking for inline... (cached) inline
checking for __attribute__... (cached) no
checking for u_int8_t using gcc... (cached) yes
checking for u_int16_t using gcc... (cached) yes
checking for u_int32_t using gcc... (cached) yes
checking how to run the C preprocessor... (cached) gcc -E
checking for sys/ioccom.h... (cached) no
checking for sys/sockio.h... (cached) no
checking for ifaddrs.h... (cached) yes
checking for limits.h... (cached) yes
checking for netinet/if_ether.h... (cached) yes
checking for ANSI ioctl definitions... (cached) yes
checking for ether_hostton... (cached) yes
checking for strerror... (cached) yes
checking for strlcpy... (cached) no
checking for vsnprintf... (cached) yes
checking for snprintf... (cached) yes
checking if --disable-protochain option is specified... enabled
checking packet capture type... linux
checking for getifaddrs... (cached) yes
checking if --enable-ipv6 option is specified... no
checking whether to build optimizer debugging code... no
checking whether to build parser debugging code... no
checking Linux kernel version... (cached) 2
checking if if_packet.h has tpacket_stats defined... (cached) yes
checking whether we have /proc/net/dev... yes
checking whether we have DAG API... no
checking for flex... (cached) flex
checking for flex 2.4 or higher... (cached) yes
checking for bison... no
configure: warning: don't have both flex and bison; reverting to lex/yacc
checking for capable lex... (cached) yes
checking for ranlib... (cached) ranlib
checking if sockaddr struct has sa_len member... (cached) no
checking if sockaddr_storage struct exists... (cached) yes
checking if dl_hp_ppa_info_t struct has dl_module_id_1 member... (cached) no
checking if unaligned accesses fail... (cached) no
checking for a BSD compatible install... (cached) /usr/bin/install -c
creating ./config.status
creating Makefile
creating config.h
config.h is unchanged
[root@localhost libpcap-0.8.1]# make
yacc -d grammar.y
make: yacc：命令未找到
make: *** [grammar.c] 错误 127
[root@localhost libpcap-0.8.1]#
帮忙解决下，谢谢了。

Answer 1

安装 yacc

yacc(Yet Another Compiler Compiler)，是Unix/Linux上一个用来生成编译器的编译器（编译器代码生成器）。

Answer 2

命令提示：装yacc