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use of tar in make install rules
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From: |
Glenn Morris |
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Subject: |
use of tar in make install rules |
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Date: |
Fri, 11 May 2012 15:30:02 -0400 |
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User-agent: |
Gnus (www.gnus.org), GNU Emacs (www.gnu.org/software/emacs/) |
To install a directory and all its contents (eg lisp), the Emacs Makefile uses:
(cd $${dir}; tar -chf - . ) | \
(cd $${dest}; umask 022; tar -xvf - && cat > /dev/null)
Why does it use tar, as opposed to "cp -R"?
Please don't tell me that cp -R isn't portable...
(There are no symbolic links or device files involved.)
- use of tar in make install rules,
Glenn Morris <=