Linux Makefile and symbolic links
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Makefile and symbolic links
提问by hanno
I'm experiencing a strange problem with a makefile. I simply want to set a symbolic link in the makefile but get an error message on one machine (Linux 2.6.18-238.12.1.el5)
I'm experiencing a strange problem with a makefile. I simply want to set a symbolic link in the makefile but get an error message on one machine (Linux 2.6.18-238.12.1.el5)
make: execvp: ln: Too many levels of symbolic links
It works perfectly fine on my MacBook. It also works fine if I execute the same command in the shell. What could go wrong? Are there any environment variables important for ln?
It works perfectly fine on my MacBook. It also works fine if I execute the same command in the shell. What could go wrong? Are there any environment variables important for ln?
采纳答案by Nemo
The execvpin the error message is the key, I think. I believe it is saying there are too many levels of symbolic links while trying to locate the ln command itself.
The execvpin the error message is the key, I think. I believe it is saying there are too many levels of symbolic links while trying to locate the ln command itself.
Example:
Example:
all:
ln -nsf /tmp/foo /tmp/foo
/tmp/foo/ln x y
Running "make" with this Makefile errors out with:
Running "make" with this Makefile errors out with:
make: execvp: /tmp/foo/ln: Too many levels of symbolic links
So, how is your Makefile invoking ln, exactly? What is in your PATHetc.?
So, how is your Makefile invoking ln, exactly? What is in your PATHetc.?
[update]
[update]
I bet the Makefile is messing up your PATH. Here is a Makefile that reproduces your exact error message:
I bet the Makefile is messing up your PATH. Here is a Makefile that reproduces your exact error message:
PATH=/tmp/foo
all:
/bin/ln -nsf /tmp/foo /tmp/foo
ln x y
