Linux 为什么补丁找不到这个文件？
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Why does patch not find this file?
提问by stdcerr
I would like to apply a patch to the u-boot sources but some how, Linux doesn't let me. What I have:
我想对 u-boot 源应用补丁，但有些方法，Linux 不允许我这样做。我拥有的：
reg@ubuntu:~/NextGen/trunk/FW/thirdparty/u-boot$ patch -p1 < ../u-boot/u-boot-2013.01-wr.patch
can't find file to patch at input line 4
Perhaps you used the wrong -p or --strip option?
The text leading up to this was:
--------------------------
|diff -uNr u-boot-2013.01/arch/powerpc/cpu/mpc85xx/cpu_init.c u-boot-2013.01.modified/arch/powerpc/cpu/mpc85xx/cpu_init.c
|--- u-boot-2013.01/arch/powerpc/cpu/mpc85xx/cpu_init.c 2013-01-15 13:47:42.000000000 -0800
|+++ u-boot-2013.01.modified/arch/powerpc/cpu/mpc85xx/cpu_init.c 2013-05-16 10:58:08.973906692 -0700
--------------------------
File to patch: ^C
reg@ubuntu:~/NextGen/trunk/FW/thirdparty/u-boot$ ls -l u-boot-2013.01/arch/powerpc/cpu/mpc85xx/cpu_init.c
-rw-r--r-- 1 reg reg 16745 Jan 15 2013 u-boot-2013.01/arch/powerpc/cpu/mpc85xx/cpu_init.c
reg@ubuntu:~/NextGen/trunk/FW/thirdparty/u-boot$
So why can it not find the file when it's perfectly at the right location? What's going on here?
那么为什么它在完全正确的位置找不到文件呢？这里发生了什么？
采纳答案by that other guy
There are three file paths involved here:
这里涉及三个文件路径：
- The patch's original file:
u-boot-2013.01/arch/powerpc/cpu/mpc85xx/cpu_init.c - The patch's target file:
u-boot-2013.01.modified/arch/powerpc/cpu/mpc85xx/cpu_init.c - The stripped target file due to
-p1:arch/powerpc/cpu/mpc85xx/cpu_init.c
- 补丁的原始文件：
u-boot-2013.01/arch/powerpc/cpu/mpc85xx/cpu_init.c - 补丁的目标文件：
u-boot-2013.01.modified/arch/powerpc/cpu/mpc85xx/cpu_init.c - 由于以下原因被剥离的目标文件
-p1：arch/powerpc/cpu/mpc85xx/cpu_init.c
Patch looks for the stripped target file, and it doesn't exist.
Patch 查找剥离的目标文件，但它不存在。
cd u-boot-2013.01and then patch -p1 < ../../u-boot/u-boot-2013.01-wr.patch, and you should have more luck.
cd u-boot-2013.01然后patch -p1 < ../../u-boot/u-boot-2013.01-wr.patch，你应该有更多的运气。
