dhcp源码编译支持4G上网卡

1. tar xvzf dhcp-4.2.5-P1.tar.gz

2. ./configure --host=arm-linux ac_cv_file__dev_random=yes

3. vi bind/Makefile

　　(cd ${bindsrcdir} && ./configure --disable-kqueue --disable-epoll --disable-devpoll --without-openssl --without-libxml2 --enable-exportlib --enable-threads=no --with-export-includedir=${binddir}/include --with-export-libdir=${binddir}/lib --with-gssapi=no > ${binddir}/configure.log);

　　修改为

　　(cd ${bindsrcdir} && ./configure BUILD_CC=gcc ac_cv_file__dev_random=yes --host=arm-linux --disable-kqueue --disable-epoll --disable-devpoll --without-openssl --without-libxml2 --enable-exportlib --enable-threads=no --with-export-includedir=${binddir}/include --with-export-libdir=${binddir}/lib --with-gssapi=no > ${binddir}/configure.log);

4. cd bind/

5. tar xvzf bind.tar.gz

6. vi bind-9.8.4-P2/lib/export/dns/Makefile.in

　　gen: ${srcdir}/gen.c
　　${CC} ${ALL_CFLAGS} ${LDFLAGS} -o $@ ${srcdir}/gen.c ${LIBS}

　　修改为

　　gen: ${srcdir}/gen.c
　　${BUILD_CC} ${ALL_CFLAGS} ${LDFLAGS} -o $@ ${srcdir}/gen.c ${LIBS}　

7. make

8. make DESTDIR=$PWD/tmp install

9. cp tmp/usr/local/bin/* /mnt/hgfs/tftpDownload

10. cp tmp/usr/local/sbin/* /mnt/hgfs/tftpDownload

11. cp tmp/usr/local/etc/dhclient.conf.example  /mnt/hgfs/tftpDownload/dhclient.conf

12. cp tmp/usr/local/etc/dhcpd.conf.example  /mnt/hgfs/tftpDownload/dhcpd.conf

13. cp client/scripts/linux /tftpDownload/dhclient_script      //整个文件夹

开发平台：

1. chmod +x /etc/dhclient_script

2. dhclient -d usb0

3. vi /etc/dhclient_script

　　#!/bin/sh  修改

4. mkdir -p /var/db