On Fri, 2015-01-02 at 18:16 +0100, Enrico Weigelt, metux IT consult wrote: > On 02.01.2015 17:08, Martin Pitt wrote: > > Hi, > > > Yes, man dh_fixperms. Shared libraries don't need to and should not be > > executable. > > Oh, wasn't aware of that. Just used to that as gcc sets that flag. > Is it a bug in gcc, or are there platforms where +x is required ?
ld sets the flag, and I suspect this is because it can't tell the
difference between a shared library and a PIE.
A shared library may work as a executable anyway, e.g.:
$ /lib/i386-linux-gnu/libc.so.6
GNU C Library (Debian GLIBC 2.19-13) stable release version 2.19, by Roland
McGrath et al.
Copyright (C) 2014 Free Software Foundation, Inc.
This is free software; see the source for copying conditions.
There is NO warranty; not even for MERCHANTABILITY or FITNESS FOR A
PARTICULAR PURPOSE.
[...]
Ben.
--
Ben Hutchings
Theory and practice are closer in theory than in practice.
- John Levine, moderator of comp.compilers
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