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Re: Getting readline to work in scheme-sandbox


From: Michael Käppler
Subject: Re: Getting readline to work in scheme-sandbox
Date: Fri, 17 Jan 2020 23:22:38 +0100
User-agent: Mozilla/5.0 (Windows NT 10.0; WOW64; rv:68.0) Gecko/20100101 Thunderbird/68.3.1



Am 17.01.2020 um 00:32 schrieb Knute Snortum:
That did it!  Thanks!
Nice to hear, a very ugly 'fix', though. I will continue investigating.

---
Knute Snortum
(via Gmail)
On Thu, Jan 16, 2020 at 1:06 PM Michael Käppler <address@hidden> wrote:
Am 16.01.2020 um 19:45 schrieb Knute Snortum:
I used "make install" to install libguilereadline.

I've attached config.log and libguilereadline.dump.

---
Knute Snortum
(via Gmail)
Ok, seems that your libguilereadline-v-17 has been built correctly
against the readline-8.0 library, which you provided with
libreadline-dev. Fine.
Please rename
/home/knute/lilypond/lilypond-2.19.83/lilypond/usr/lib/libguilereadline-v-17.so.17.0.3
to libguilereadline-v-17.so.17.0.3.old and put the corresponding file from
/home/knute/guile-1.8/guile-readline/.libs/ in there.

Then test again, if it fails, please do a strace.

Michael

On Thu, Jan 16, 2020 at 12:51 AM Michael Käppler <address@hidden> wrote:
Am 15.01.2020 um 23:55 schrieb Knute Snortum:
Okay, I built guile 1.8.7 after installing GNU MP and flex, but I get
the same error:

guile> (use-modules (ice-9 readline))
ERROR: readline is not provided in this Guile installation
ABORT: (misc-error)

So I redid the strace and I attached the log file.
Which way of "installing" libguilereadline did you choose?
Did you run "make install" or did you copy
libguilereadline-v-17.so.17.0.3 to
/home/knute/lilypond/lilypond-2.19.83/lilypond/usr/lib ?
Could you please send me your config.log from guile-1.8/guile-readline
and additionately do a

objdump -x
~/guile-1.8/guile-readline/.libs/libguilereadline-v-17.so.17.0.3 >
libguilereadline.dump
and attach the resulting file, too?

Thanks for your patience,
Michael

---
Knute Snortum
(via Gmail)

On Wed, Jan 15, 2020 at 12:29 PM Michael Käppler <address@hidden> wrote:
Do you have "gettext" installed? If not, please install and retry.

Am 15.01.2020 um 18:38 schrieb Knute Snortum:
I didn't get past autogen:

autoreconf: Entering directory `.'
autoreconf: configure.ac: not using Gettext
autoreconf: running: aclocal --force -I m4
configure.ac:905: warning: macro 'AM_GNU_GETTEXT' not found in library
autoreconf: configure.ac: tracing
autoreconf: configure.ac: adding subdirectory guile-readline to autoreconf
autoreconf: Entering directory `guile-readline'
autoreconf: running: aclocal --force
autoreconf: running: libtoolize --copy --force
libtoolize: putting auxiliary files in AC_CONFIG_AUX_DIR, '.'.
libtoolize: copying file './ltmain.sh'
libtoolize: Consider adding 'AC_CONFIG_MACRO_DIRS([m4])' to configure.ac,
libtoolize: and rerunning libtoolize and aclocal.
libtoolize: Consider adding '-I m4' to ACLOCAL_AMFLAGS in Makefile.am.
autoreconf: running: /usr/bin/autoconf --force
autoreconf: running: /usr/bin/autoheader --force
autoreconf: running: automake --add-missing --copy --force-missing
configure.ac:18: installing './compile'
configure.ac:19: installing './config.guess'
configure.ac:19: installing './config.sub'
configure.ac:13: installing './install-sh'
configure.ac:13: installing './missing'
Makefile.am:29: warning: 'INCLUDES' is the old name for 'AM_CPPFLAGS'
(or '*_CPPFLAGS')
Makefile.am: installing './depcomp'
autoreconf: Leaving directory `guile-readline'
libtoolize: putting auxiliary files in AC_CONFIG_AUX_DIR, 'build-aux'.
libtoolize: copying file 'build-aux/ltmain.sh'
libtoolize: putting macros in AC_CONFIG_MACRO_DIRS, 'm4'.
libtoolize: copying file 'm4/libtool.m4'
libtoolize: copying file 'm4/ltoptions.m4'
libtoolize: copying file 'm4/ltsugar.m4'
libtoolize: copying file 'm4/ltversion.m4'
libtoolize: copying file 'm4/lt~obsolete.m4'
configure.ac:905: warning: macro 'AM_GNU_GETTEXT' not found in library
configure.ac:932: error: possibly undefined macro: AM_GNU_GETTEXT
          If this token and others are legitimate, please use m4_pattern_allow.
          See the Autoconf documentation.
autoreconf: /usr/bin/autoconf failed with exit status: 1


---
Knute Snortum
(via Gmail)

On Wed, Jan 15, 2020 at 12:24 AM Michael Käppler <address@hidden> wrote:
Ok, seems that guile-2.2-libs does not provide libguilereadline...

I think the remaining option is to build guile-1.8 from scratch.
First make sure that you have libreadline-dev installed, then, in your
home directory, do:

git clone -b branch_release-1-8 --single-branch
https://git.savannah.gnu.org/git/guile.git guile-1.8
cd guile-1.8
./autogen.sh
./configure --disable-error-on-warning --prefix=/usr/local
make
make install
ldconfig

If you do not want to install your self-compiled guile-1.8 globally with
"make install" it should be also sufficient to
rename
/home/knute/lilypond/lilypond-2.19.83/lilypond/usr/lib/libguilereadline-v-17.so.17.0.3
to
libguilereadline-v-17.so.17.0.3.old and put the corresponding file from
/home/knute/guile-1.8/guile-readline/.libs/
in there.

Then try with scheme-sandbox.ly again. Please report if it succeeds now.

Michael




Am 15.01.2020 um 00:05 schrieb Knute Snortum:
I'm not in a vanilla setup, so I changed the commands to: (just for posterity)

$ export 
LD_LIBRARY_PATH="/home/knute/lilypond/lilypond-2.19.83/lilypond/usr/lib"
$ strace -o readlinedebug.log
/home/knute/lilypond/lilypond-2.19.83/lilypond/usr/bin/lilypond
scheme-sandbox.ly

The log file is attached.

---
Knute Snortum
(via Gmail)

On Tue, Jan 14, 2020 at 8:47 AM Michael Käppler <address@hidden> wrote:
This is weird. Seems that strace does not recognize the shebang in the
lilypond script.
Could you please to try to execute the steps in the startup script directly?
I assume you used the vanilla lilypond installer and installed to your
home directory
/home/knute/:

export LD_LIBRARY_PATH="/home/knute/lilypond/usr/lib"
strace -o readlinedebug.log /home/knute/lilypond/usr/bin/lilypond
scheme-sandbox.ly



Am 14.01.2020 um 16:36 schrieb Knute Snortum:
It looks like I get an error in strace.  The sandbox is never executed:

execve("/home/knute/bin/lilypond", ["lilypond", "scheme-sandbox.ly"],
0x7ffe4792c428 /* 53 vars */) = -1 ENOEXEC (Exec format error)
strace: exec: Exec format error
+++ exited with 1 +++

---
Knute Snortum
(via Gmail)

On Mon, Jan 13, 2020 at 10:59 PM Michael Käppler <address@hidden> wrote:
Hi Knute,
I'm currently working on this problem. A library called
libguilereadline, that comes with guile,
does provide the interface to the libreadline library. The version we
ship with our packages, however,
seems to be broken somehow.
There are some ways to get around this. Do you have
guile-2.2-libs installed, too?
If installing guile-2.2-libs does not help either, please send me the output
of

strace -o readlinedebug.log lilypond scheme-sandbox.ly

where you type the mentioned commands for activating readline.

Regards,
Michael

Am 14.01.2020 um 01:31 schrieb Knute Snortum:
I recently discovered the scheme-sandbox in LilyPond and I want to get
line editing to work.  In scheme-sandbox.ly the comments say:

% One typical thing you might want to put there is
% (use-modules (ice-9 readline))
% (activate-readline)
% in order to activate command line editing for interactive sessions.

I'm assuming that these are commands to type into the sandbox.  But
when I do this I get an error:

guile> (use-modules (ice-9 readline))
ERROR: readline is not provided in this Guile installation
ABORT: (misc-error)

When I search for installed packages at the Linux command line, I see this:

libreadline8/eoan,now 8.0-3 amd64 [installed,automatic]

Any idea why readline is not available?

My system is Ubuntu 19.10, Guile is 2.2 and LilyPond is 2.19.83.

---
Knute Snortum
(via Gmail)





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