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    Linux系统下移植busybox中mkfs.vfat命令

    为了延长磁盘寿命来存储音视频文件,打发在格式化磁盘过程中将簇的大小设置大点。因为存储的音视频文件现对较大,那么将簇大小设置得尽可能大,这样可以增强磁盘读取数据的性能,同时也不会浪费太多空间。

    但发现我们设备的mkfs.vfat不支持-s参数设置簇的大小。

    于是打算重新移植mkfs.vfat.

    思路1

    重新移植busybox

    1.官网上下载最新的busybox源码

    2.修改Makefile

    ARCH =arm
    
    CROSS_COMPILE = /opt/hisi-linux-nptl/arm-hisiv100-linux/target/bin/arm-hisiv100nptl-linux-

    2.make menuconfig

    设置为静态库

    3.make

    出现错误

    make: *** [busybox_unstripped] Error 1
    root@chenwr-pc:/home/soft/busybox-1.31.0# make
     LINK  busybox_unstripped
    Your linker does not support --sort-section,alignment
    Your linker does not support --sort-common
    Static linking against glibc, can't use --gc-sections
    Trying libraries: crypt m resolv
    Failed: -Wl,--start-group -lcrypt -lm -lresolv -Wl,--end-group
    Output of:
    /opt/hisi-linux-nptl/arm-hisiv100-linux/target/bin/arm-hisiv100nptl-linux-gcc -Wall -Wshadow -Wwrite-strings -Wundef -Wstrict-prototypes -Wunused -Wunused-parameter -Wunused-function -Wunused-value -Wmissing-prototypes -Wmissing-declarations -Wno-format-security -Wdeclaration-after-statement -Wold-style-definition -fno-builtin-strlen -finline-limit=0 -fomit-frame-pointer -ffunction-sections -fdata-sections -fno-guess-branch-probability -funsigned-char -static-libgcc -falign-functions=1 -falign-jumps=1 -falign-labels=1 -falign-loops=1 -fno-unwind-tables -fno-asynchronous-unwind-tables -fno-builtin-printf -Os -static -march=armv7l -o busybox_unstripped -Wl,--start-group applets/built-in.o archival/lib.a archival/libarchive/lib.a console-tools/lib.a coreutils/lib.a coreutils/libcoreutils/lib.a debianutils/lib.a klibc-utils/lib.a e2fsprogs/lib.a editors/lib.a findutils/lib.a init/lib.a libbb/lib.a libpwdgrp/lib.a loginutils/lib.a mailutils/lib.a miscutils/lib.a modutils/lib.a networking/lib.a networking/libiproute/lib.a networking/udhcp/lib.a printutils/lib.a procps/lib.a runit/lib.a selinux/lib.a shell/lib.a sysklogd/lib.a util-linux/lib.a util-linux/volume_id/lib.a archival/built-in.o archival/libarchive/built-in.o console-tools/built-in.o coreutils/built-in.o coreutils/libcoreutils/built-in.o debianutils/built-in.o klibc-utils/built-in.o e2fsprogs/built-in.o editors/built-in.o findutils/built-in.o init/built-in.o libbb/built-in.o libpwdgrp/built-in.o loginutils/built-in.o mailutils/built-in.o miscutils/built-in.o modutils/built-in.o networking/built-in.o networking/libiproute/built-in.o networking/udhcp/built-in.o printutils/built-in.o procps/built-in.o runit/built-in.o selinux/built-in.o shell/built-in.o sysklogd/built-in.o util-linux/built-in.o util-linux/volume_id/built-in.o -Wl,--end-group -Wl,--start-group -lcrypt -lm -lresolv -Wl,--end-group
    ==========
    networking/lib.a(ipcalc.o): In function `ipcalc_main':
    ipcalc.c:(.text.ipcalc_main+0x24c): warning: gethostbyaddr is obsolescent, use getaddrinfo() instead.
    libbb/lib.a(inet_common.o): In function `INET_resolve':
    inet_common.c:(.text.INET_resolve+0x60): warning: gethostbyname is obsolescent, use getnameinfo() instead.
    coreutils/lib.a(mktemp.o): In function `mktemp_main':
    mktemp.c:(.text.mktemp_main+0x8c): warning: the use of `mktemp' is dangerous, better use `mkstemp'
    networking/lib.a(nslookup.o): In function `add_query':
    nslookup.c:(.text.add_query+0x70): undefined reference to `res_mkquery'
    networking/lib.a(nslookup.o): In function `send_queries':
    nslookup.c:(.text.send_queries+0x2d0): undefined reference to `__ns_initparse'
    nslookup.c:(.text.send_queries+0x308): undefined reference to `__ns_parserr'
    nslookup.c:(.text.send_queries+0x480): undefined reference to `__ns_get16'
    nslookup.c:(.text.send_queries+0x5cc): undefined reference to `__ns_get32'
    nslookup.c:(.text.send_queries+0x5e4): undefined reference to `__ns_get32'
    nslookup.c:(.text.send_queries+0x5fc): undefined reference to `__ns_get32'
    nslookup.c:(.text.send_queries+0x614): undefined reference to `__ns_get32'
    nslookup.c:(.text.send_queries+0x628): undefined reference to `__ns_get32'
    util-linux/lib.a(fallocate.o): In function `fallocate_main':
    fallocate.c:(.text.fallocate_main+0x80): undefined reference to `posix_fallocate'
    util-linux/lib.a(unshare.o): In function `unshare_main':
    unshare.c:(.text.unshare_main+0x1ec): undefined reference to `unshare'
    collect2: ld returned 1 exit status
    Note: if build needs additional libraries, put them in CONFIG_EXTRA_LDLIBS.
    Example: CONFIG_EXTRA_LDLIBS="pthread dl tirpc audit pam"
    make: *** [busybox_unstripped] Error 1

    重新make menuconfig 进入设置把报错的模块关闭不勾选。

    参考网上的说法,还是会有很多错误。而且关闭很多网络的东西和系统的配置,担心万一影响到其他命令呢。因为我发现原来移植后的busybox,比如ls命令,不是单独的一个bin文件。而是软连接到busybox中

    而且我发觉设备的空间有限,原先的busybox才800多k,即使新移植成功也要2M多。于是换个思路,单独源码移植mkfs.vfat

    到此该命令移植完毕。

    总结

    以上所述是小编给大家介绍的Linux系统下移植busybox中mkfs.vfat命令,希望对大家有所帮助,如果大家有任何疑问请给我留言,小编会及时回复大家的。在此也非常感谢大家对脚本之家网站的支持!
    如果你觉得本文对你有帮助,欢迎转载,烦请注明出处,谢谢!

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