From: Cesar Quiroz <cesar.quiroz@gmail.com>
To: eliz@gnu.org, emacs-devel <emacs-devel@gnu.org>
Subject: Re: Emacs 25 from GIT build issue under Ubuntu 16.10
Date: Fri, 14 Oct 2016 23:32:22 -0700 [thread overview]
Message-ID: <CAN2qs+zE44f0N4b1wCj6CLtv8=bkiPQpfwn+19_ahoO75-zz+Q@mail.gmail.com> (raw)
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16.10 has modified gcc to compile with -pie by default. That just must get
in the way of unexec.
Search "gcc" in https://wiki.ubuntu.com/YakketyYak/ReleaseNotes,
I have tried this successfully (both emacs-25 and master):
1. in the git workdir:
$ ./autogen.sh
2. in the build directory:
$ ...../configure CFLAGS=-no-pie <other configure options>
and the binaries built fine.
On topic, it would be nice if there was a string in the binary that told
one how the $(config.status --config), so one could (more) easily rebuild a
binary. Something like a function (emacs-configure-options).
This has worked with ASLR on (echo 2 > /proc/sys/kernel/randomize_va_space)
and with ASLR off (echo 0 > /proc/sys/kernel/randomize_va_space).
I hope this helps all to work with the new Ubuntu.
--César
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next reply other threads:[~2016-10-15 6:32 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-10-15 6:32 Cesar Quiroz [this message]
2016-10-15 13:28 ` Emacs 25 from GIT build issue under Ubuntu 16.10 Óscar Fuentes
2016-10-16 4:33 ` Paul Eggert
-- strict thread matches above, loose matches on Subject: below --
2016-10-14 23:06 Tim Cross
2016-10-14 23:20 ` Tim Cross
2016-10-15 4:09 ` Paul Eggert
2016-10-15 6:10 ` Eli Zaretskii
2016-10-15 4:15 ` Óscar Fuentes
2016-10-15 6:11 ` Eli Zaretskii
2016-10-15 5:56 ` Eli Zaretskii
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