• wpa_suppliant编译小结


    主要参考:wpa_supplicant交叉编译

    选择的版本:

    openssl-1.0.2r.tar.gz

    libnl-3.5.0.tar.gz

    wpa_supplicant-2.5(版本太新会有报错)

    1 libssl编译

    1.1下载

    下载链接:https://www.openssl.org/source/
    下载文件openssl-1.0.2r.tar.gz

    1.2编译

    解压文件,进入主目录,使用如下命令编译

    #mkdir _install
    #./config  no-asm shared --prefix=$PWD/_install --cross-compile-prefix=aarch-himix100-linux- 
    #make
    #make insatll

    _install为相关库的存放路径
    arm-himix100-linux- 为交叉编译工具链
    注意,在编译过程中,如果出现如下错误:
    arm-himix100-linux-gcc: error: unrecognized command line option ‘-m64’
    则需要打开Makefile 查找里面的 ‘-m64’,并将其删除即可
    make CC=aarch64-himix100-linux会报错,因为在config命令中已经指定了交叉编译工具链。直接make就可以。

    CROSS_COMPILE= aarch64-himix100-linux-
    CC= $(CROSS_COMPILE)gcc

    2 libnl编译

    2.1 下载

    下载链接:
    http://www.linuxfromscratch.org/blfs/view/svn/basicnet/libnl.html
    下载libnl-3.5.0.tar.gz

    2.2 编译

    解压进入主目录,使用如下命令编译:

    #mkdir _install
    #./configure --host=aarch-himix100-linux --prefix=$PWD/_install
    #make 
    #make install

    _install为相关库的存放路径
    aarch-himix100-linux- 为交叉编译工具链

    3 wpa_supplicant

    3.1 下载

    下载链接:http://w1.fi/releases/
    下载wpa_supplicant-2.6.tar.gz

    3.2 编译

    解压并进入主目录
    使用如下命令编译

    #cd wpa_supplicant/
    #cp defconfig .config

    在Makefile中添加libssl和libnl的路径,如下:

    CFLAGS += -I/home/openssl-1.0.2r/_install/include
    LIBS += -L/home/openssl-1.0.2r/_install/lib
    LIBS_p += -L/home/openssl-1.0.2r/_install/lib
    CFLAGS += -I/home/libnl-3.5.0/_install/include/libnl3
    LIBS += -L/home/libnl-3.5.0/_install/lib

    路径一定要对,否则会导致找不到头文件和库,

    在.config中,修改

    # Use libnl v2.0 (or 3.0) libraries.
    CONFIG_LIBNL20=y
    
    # Use libnl 3.2 libraries (if this is selected, CONFIG_LIBNL20 is ignored)
    CONFIG_LIBNL32=y

    0、编译时报错,找不到dbus.h头文件

    make: *** No rule to make target '/usr/include/dbus-1.0/dbus/dbus.h', needed by 'dbus/dbus_dict_helpers.o'.  Stop.

    到dbus源码包下的include目录dbus-1.0的所有头文件拷贝到/usr/include/目录下

    1、pkg-config报错 解决:

    1 export PKG_CONFIG_PATH=/home/tianyu/tools/dbus-1.13.12/_install/lib/pkgconfig/:$PKG_CONFIG_PATH
    2 export PKG_CONFIG_PATH=/home/tianyu/tools/libnl-3.5.0/_install/lib/pkgconfig/:$PKG_CONFIG_PATH

    2、在板子上运行后,报错提示缺少dbus-1.so的动态库

    交叉编译dbus后将动态库文件及链接文件拷贝到板子上 /usr/lib

     3、运行wpa_supplicant后报错

    ~/wifi # modprobe ahci.ko
    ~/wifi # modprobe bcmdhd.ko
    ~/wifi # ./wpa_supplicant -Dnl80211 -iwlan0 -cwpa.conf -B
    Successfully initialized wpa_supplicant
    Failed to create interface p2p-dev-wlan0: -22 (Invalid argument)
    nl80211: Failed to create a P2P Device interface p2p-dev-wlan0
    P2P: Failed to enable P2P Device interface

    在编译wpa_supplicant的时候把对P2P的支持打开了,但是板子内核加载的是STA+AP的固件,不支持P2P,所以报错。
    解决有2:
     1)把wpa_supplicant对P2P的支持取消,重新编译
     2)使内核支持P2P

    参考:

    https://blog.csdn.net/u011003120/article/details/90175648

    https://www.cnblogs.com/henryliublog/p/9902021.html

    https://www.cnblogs.com/songfeixiang/p/3733799.html

    ./configure 的配置和用法

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  • 原文地址:https://www.cnblogs.com/y4247464/p/13373143.html
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