There would be an error when building gcc-cross in the do_install stage
if the TMPDIR's length is more than 200 characters:
make[1]: execvp: /bin/sh: Argument list too long
This is because of the limit of /usr/include/linux/limits.h:
$ grep PATH_MAX /usr/include/linux/limits.h
#define PATH_MAX 4096 /* # chars in a path name including nul */
I don't think it's worth to fix the do_install of gcc-cross, but it would
be good if we can add a check in oe-init-build-env or meta/classes
/sanity.bbclass to check wether the TMPDIR(or build directory) is longer than a
reasonable vaule, e.g., 1/16th or 1/32th of PATH_MAX? If you are OK with this,
I'd like to work on it.
To reproduce the error:
$ cd /path/to/workdir/
$ for i in `seq 20`; do mkdir _23_5_78_; cd _23_5_78_; done
$ source /path/to/poky/oe-init-build-env
$ bitbake gcc-cross
Then the error comes.
$ pwd | wc -c
224
--
Thanks
Robert
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