关于c:编译busybox错误汇总

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提醒谬误 :
arm-linux-gcc:Command not found
PATH 里有 /usr/oca/arm/bin,然而 make 的时候,就是找不到 arm-linux-gcc
起因:
export PATH=$PATH:/usr/local/arm/bin 是设置以后用户的 PATH,而 sudo 执行 make 的时候,应用的是超级用户权限,那也就应用了超级用户的 PATH(然而这个 PATH 里,并没有 /usr/ local/arm/bin)

解决办法
先关上一个超级用户权限的
sudo -s
在以后模式下,设置环境变量 export PATH=$PATH /usr/local/arm/bin, 再进入到 busybox 目录,make CONFIG_PREFIX=/work/nfs_root/first_fs install,就胜利装置 busybox 了。

提醒谬误:
/home/book/work/busybox-1.7.0/scripts/gcc-version.sh: line 11: arm-linux-gcc: command not found
/home/book/work/busybox-1.7.0/scripts/gcc-version.sh: line 11: arm-linux-gcc: command not found
CC applets/applets.o
/bin/sh: 1: arm-linux-gcc: not found
scripts/Makefile.build:192: recipe for target ‘applets/applets.o’ failed
make[1]: * [applets/applets.o] Error 127
Makefile:701: recipe for target ‘applets’ failed
make: * [applets] Error 2

起因 :
穿插编译器的绝对路径与相对路径问题

解决办法
在 busybox 的顶层 Makefile 176 行 CROSS COMPILE?= 中增加 /work/tools/gcc-3.4.5-glibc-2.3.6/bin/arm-linux- 的绝对路径就胜利了。(为什么以前用 arm-linux- 就能够本人找到?)

提醒谬误:
CC applets/applets.o
In file included from include/busybox.h:10,

             from applets/applets.c:16:

include/libbb.h:15: error: syntax error before ‘<‘ token
In file included from /work/tools/gcc-3.4.5-glibc-2.3.6/lib/gcc/arm-linux/3.4.5/../../../../arm-linux/sys-include/dirent.h:62,

             from include/libbb.h:16,
             from include/busybox.h:10,
             from applets/applets.c:16:

/work/tools/gcc-3.4.5-glibc-2.3.6/lib/gcc/arm-linux/3.4.5/../../../../arm-linux/sys-include/bits/dirent.h:35: error: syntax error before ‘}’ token
applets/applets.c: In function `get_trimmed_slice’:
applets/applets.c:102: warning: implicit declaration of function `isspace’
scripts/Makefile.build:192: recipe for target ‘applets/applets.o’ failed
make[1]: * [applets/applets.o] Error 1
Makefile:701: recipe for target ‘applets’ failed
make: * [applets] Error 2
起因 :
短少必要头文件
解决办法
批改 busybox 中的源码:include/libbb.h 中,减少一行 #include <sys/resource.h>。

如遇到排版错乱的问题,能够通过以下链接拜访我的 CSDN。

**CSDN:[CSDN 搜寻“嵌入式与 Linux 那些事”]

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