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authorcvs2svn <cvs2svn@FreeBSD.org>2000-11-20 04:41:45 +0000
committercvs2svn <cvs2svn@FreeBSD.org>2000-11-20 04:41:45 +0000
commit94bb9d581468116c659950d31288ce30f661f3d4 (patch)
treeaa309bce3da72823e836c2c03a9141e43fa8ac50 /contrib/awk/README_d/README.tests
parentc4a56e87080655ccac11c5e57fd27c4035d021f8 (diff)
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diff --git a/contrib/awk/README_d/README.tests b/contrib/awk/README_d/README.tests
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-Date: Sat, 22 Apr 2000 06:07:06 -0600 (MDT)
-From: "Nelson H. F. Beebe" <beebe@math.utah.edu>
-To: arnold@gnu.org
-Cc: beebe@math.utah.edu, sysstaff@math.utah.edu, othmer@math.utah.edu
-Subject: gawk-3.0.4 and a GNU/Linux gotcha
-
-Yesterday, I was assisting a colleague install some software on his
-GNU/Linux machine for which uname -r reports 2.2.14.
-
-A (mis)feature of this system, which I've never encountered before,
-broke the build of one of my programs, and also of gawk-3.0.4.
-
-Namely, the kernel will not execute anything that resides in /tmp,
-though it will if the same script is in /usr/tmp!
-
-% cat /tmp/foo.sh
-#! /bin/sh
-echo hello
-
-ls -l /tmp/foo.sh
--rwxr-xr-x 1 othmer math 22 Apr 21 10:34 /tmp/foo.sh*
-
-% /tmp/foo.sh
-bash: /tmp/foo.sh: Permission denied
-
-% cp /tmp/foo.sh /usr/tmp
-
-% /usr/tmp/foo.sh
-hello
-
-Thus, programs that do a temporary install in /tmp, as some of mine do
-in order to run the validation suite, will fail.
-
-gawk-3.0.4, and likely other gawk versions, hits this problem too. It
-fails because test/poundbang starts with
-
-#! /tmp/gawk -f
-
-I tracked down where it comes from:
-
-% grep /tmp /etc/fstab
-/dev/hda3 /tmp ext2 rw,nosuid,noexec,nouser,auto,async,nodev 1 1
- !!!!!!
-
-Since this is done via a mount command, potentially ANY directory tree
-could be mounted with noexec.