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authorPedram Ashofteh Ardakani <pedramardakani@gmail.com>2020-04-23 17:34:33 +0430
committerMohammad Akhlaghi <mohammad@akhlaghi.org>2020-04-26 02:46:32 +0100
commit4d3db9a78fb84f837a0b1665906ce0da1856a3e3 (patch)
tree99993afa4b43b2814bcf62ee92fdcad330492c97 /reproduce/software/bibtex/matplotlib.tex
parentd73a2628310ce01f98bf07cdf6d5d30ccf807a8a (diff)
Configure.sh: build directory checked for ability to modify permissions
Until now we only checked for the existance and write-ability of the build directory. But we recently discovered that if the specified build-directory is in a non-POSIX compatible partition (for example NTFS), permissions can't be modified and this can cause crashs in some programs (in particular, while building Perl, see [1]). The thing that makes this problem hard to identify is that on such partitions, `chmod' will still return 0 (so it was hard to find). With this commit, a check has been added after the user specifies the build-directory. If the proposed build directory is not able to handle permissions as expected, the configure script will not continue and will let the user know and will ask them for another directory. Also, the two printed characters at the start of error messages were changed to `**' (instead of `--'). When everything is good, we'll use `--' to tell the user that their given directory will be used as the build directory. And since there are multiple checks now, the final message to specify a new build directory is now moved to the end and not repeated in every check. [1] https://savannah.nongnu.org/support/?110220
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