【已解决】cygwin先编译buildroot在Installing kernel headers期间出错：/bin/sh: scripts/basic/fixdep: cannot execute binary file

【问题】

折腾：

期间，编译出错：

CLi@PC-CLI-1 ~/develop/buildroot/buildroot-2013.05
$ make
>>>   Installing kernel headers
(cd /home/CLi/develop/buildroot/buildroot-2013.05/output/toolchain/linux-2.6.19.1; \
         /bin/make -j4 ARCH=arm \
                HOSTCC="/home/CLi/develop/buildroot/buildroot-2013.05/output/host/usr/bin/ccache /bin/gcc" HOSTCFLAGS="" \
                HOSTCXX="/home/CLi/develop/buildroot/buildroot-2013.05/output/host/usr/bin/ccache /bin/g++" \
                INSTALL_HDR_PATH=/home/CLi/develop/buildroot/buildroot-2013.05/output/toolchain/linux headers_install; \
        )
make[1]: arm-xscale-linux-gnu-gcc: Command not found
make[1]: Entering directory `/home/CLi/develop/buildroot/buildroot-2013.05/output/toolchain/linux-2.6.19.1'
make[1]: Entering directory `/home/CLi/develop/buildroot/buildroot-2013.05/output/toolchain/linux-2.6.19.1'
  CHK     include/linux/version.h
  HOSTCC  scripts/basic/fixdep
/bin/sh: scripts/basic/fixdep: cannot execute binary file
make[2]: *** [scripts/basic/fixdep] Error 126
make[1]: *** [scripts_basic] Error 2
make[1]: Leaving directory `/home/CLi/develop/buildroot/buildroot-2013.05/output/toolchain/linux-2.6.19.1'
make: *** [/home/CLi/develop/buildroot/buildroot-2013.05/output/toolchain/linux/.configured] Error 2

如图：

即：

/bin/sh: scripts/basic/fixdep: cannot execute binary file

【解决过程】

1.这个问题，之前就遇到过：

【已解决】Cygwin下用arm-xscale-linux-gnueabi交叉编译Linux内核在配置时出错：/bin/sh: scripts/basic/fixdep: cannot execute binary file

然后参考自己的办法，去看看：

CLi@PC-CLI-1 ~/develop/buildroot/buildroot-2013.05
$ ls output/toolchain/linux-2.6.19.1/scripts/basic/fixdep* -lha
-rwxr-xr-x 1 CLi Domänen-Benutzer 9.2K Nov  7  2012 output/toolchain/linux-2.6.19.1/scripts/basic/fixdep*
-rw-r--r-- 1 CLi Domänen-Benutzer 9.4K Oct 17  2012 output/toolchain/linux-2.6.19.1/scripts/basic/fixdep.c
-rwxr-xr-x 1 CLi Domänen-Benutzer  62K Sep 24 17:25 output/toolchain/linux-2.6.19.1/scripts/basic/fixdep.exe*

CLi@PC-CLI-1 ~/develop/buildroot/buildroot-2013.05
$ file output/toolchain/linux-2.6.19.1/scripts/basic/fixdep
output/toolchain/linux-2.6.19.1/scripts/basic/fixdep: ELF 32-bit LSB executable, Intel 80386, version 1 (SYSV), dynamically linked (uses shared libs), for GNU/Linux 2.6.9, not stripped

CLi@PC-CLI-1 ~/develop/buildroot/buildroot-2013.05
$ file output/toolchain/linux-2.6.19.1/scripts/basic/fixdep.exe
output/toolchain/linux-2.6.19.1/scripts/basic/fixdep.exe: PE32 executable (console) Intel 80386, for MS Windows

很明显，的确是：

此处想要运行的：

output/toolchain/linux-2.6.19.1/scripts/basic/fixdep

是for linux的。

所以，通过两者改名，是可以的。

但是还是打算想想办法，是否有永久的，一次性的解决办法。

2.这人：

Cygwin编译ARM linux内核

的做法，也是和我类似：

其是删除fixdep，让其运行

scripts/basic/fixdep

自动找到

scripts/basic/fixdep.exe

但是还不是根本解决办法。

3.看了对应的makefile文件：

D:\tmp\tmp_dev_root\cgwin\home\CLi\develop\buildroot\buildroot-2013.05\output\toolchain\linux-2.6.19.1\scripts\basic\Makefile

内容是：

###
# Makefile.basic list the most basic programs used during the build process.
# The programs listed herein is what is needed to do the basic stuff,
# such as fix dependency file.
# This initial step is needed to avoid files to be recompiled
# when kernel configuration changes (which is what happens when
# .config is included by main Makefile.
# ---------------------------------------------------------------------------
# fixdep: 	 Used to generate dependency information during build process
# docproc:	 Used in Documentation/docbook

hostprogs-y	:= fixdep docproc
always		:= $(hostprogs-y)

# fixdep is needed to compile other host programs
$(addprefix $(obj)/,$(filter-out fixdep,$(always))): $(obj)/fixdep

想要去修改makefile实现自动的，不生成fixdep，而只生成fixdep.exe。

4.那就需要添加对应的cygwin的检测，但是不知道如何加。

所以去看看能否找到别的参考的makefile。

结果找了半天，发现对于linux的kernel的源码中，

包括各种makefile，kconfig等等，根本就没有关于检测是否是cygwin的事情。

所以，彻底放弃此种修改。

5.所以去重命名fixdep：

CLi@PC-CLI-1 ~/develop/buildroot/buildroot-2013.05
$ mv output/toolchain/linux-2.6.19.1/scripts/basic/fixdep output/toolchain/linux-2.6.19.1/scripts/basic/fixdep_backup

再去编译，就可以了：

CLi@PC-CLI-1 ~/develop/buildroot/buildroot-2013.05
$ make
>>>   Installing kernel headers
(cd /home/CLi/develop/buildroot/buildroot-2013.05/output/toolchain/linux-2.6.19.1; \
         /bin/make -j4 ARCH=arm \
                HOSTCC="/home/CLi/develop/buildroot/buildroot-2013.05/output/host/usr/bin/ccache /bin/gcc" HOSTCFLAGS="" \
                HOSTCXX="/home/CLi/develop/buildroot/buildroot-2013.05/output/host/usr/bin/ccache /bin/g++" \
                INSTALL_HDR_PATH=/home/CLi/develop/buildroot/buildroot-2013.05/output/toolchain/linux headers_install; \
        )
make[1]: arm-xscale-linux-gnu-gcc: Command not found
make[1]: Entering directory `/home/CLi/develop/buildroot/buildroot-2013.05/output/toolchain/linux-2.6.19.1'
make[1]: Entering directory `/home/CLi/develop/buildroot/buildroot-2013.05/output/toolchain/linux-2.6.19.1'
  CHK     include/linux/version.h
  HOSTCC  scripts/basic/fixdep
  HOSTCC  scripts/basic/docproc
  HOSTCC  scripts/unifdef

如图：

【总结】

还是Linux内核源码，对于cygwin等支持不够好，所以，此处在cygwin下编译各种Linux下面的东西，

尤其是这个linux内核，会出现：

/bin/sh: scripts/basic/fixdep: cannot execute binary file

的错误的

解决办法：

把对应的

scripts/basic/fixdep

删除掉，或重命名：

mv output/toolchain/linux-2.6.19.1/scripts/basic/fixdep output/toolchain/linux-2.6.19.1/scripts/basic/fixdep_backup

这样调用

scripts/basic/fixdep

时，就可以自动找到，（在cygwin下编译会额外生成的scripts/basic/fixdep.exe）

就可以避免此问题了。

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【已解决】cygwin先编译buildroot在Installing kernel headers期间出错：/bin/sh: scripts/basic/fixdep: cannot execute binary file

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