Error in startup script: can't read "varval":

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26 Jun 2012 08:54 #21337 by poolspieler
Hi @all,
I want to compile and build LinuxCNC from source code.
I just installed git and the other packages in order to get the project compiled.
I run this commands:
./autogen.sh
./configure
make
sudo make setuid
cd ..
. scripts/rip-environment
linuxcnc

But after I run linuxcnc, I get this error:
cnc@cnc-VM:~/emc2-dev$ linuxcnc
LINUXCNC - 2.6.0~pre
Error in startup script: can't read "varval": no such variable
    while executing
"return $varval"
    (procedure "getVal" line 8)
    invoked from within
"getVal $rcstring PICKCONFIG LAST_CONFIG "
    (procedure "initialize_config" line 15)
    invoked from within
"initialize_config"
    invoked from within
"set last_ini [initialize_config]"
    (file "/home/cnc/emc2-dev/tcl/bin/pickconfig.tcl" line 204)
cnc@cnc-VM:~/emc2-dev$

I already googled this issue - but I didn't find any useful information.

Two hints:
- I checked out the latest version --> should I use 2.5.0 instead?
- I compiled it on a virtual machine (VirtualBox)

Best Regards,

Andy

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26 Jun 2012 09:39 #21339 by ArcEye
Hi

I run this commands:
Code:
./autogen.sh
./configure
make
sudo make setuid
cd ..
. scripts/rip-environment
linuxcnc


The sequence for a RIP install used to be
./configure --enable-run-in-place
make
make setuid
cd ../
. ./scripts/emc_environment
emc


Allowing for re-branding changes, check what type of build configure does without any switches (./configure --help)

It used to be a user build, ie for installation into the file system.

I am wondering if you have done a normal installable build and are trying to use it as RIP

I checked out the latest version --> should I use 2.5.0 instead?

I would just use 2.5 unless you want any of the features only in the master.

Be aware that any snapshot you download may be broken in some respect.

regards

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26 Jun 2012 10:06 #21342 by poolspieler
Hi ArcEye,
thank you for your answer!

Now I checked out the 2.5.0 Release and compiled it.

I ran this commands:
make
make setuid
cd ../
. ./scripts/emc_environment
emc

But there is NO ./scripts/emc_environment file.
What I am doing wrong?
Here are some lines of my console:
cnc@cnc-VM:~/emc2_5-dev$ ls
app-defaults  configs  debian         docs     lib           linuxcncicon.png     linuxcnc.xcf  README  scripts  src  tests  VERSION
bin           COPYING  directory.map  include  linuxcnc.gif  linuxcnc-wizard.gif  nc_files      rtlib   share    tcl  TODO
cnc@cnc-VM:~/emc2_5-dev$ ls scripts/
decode_dmesg                githelper.sh  haltcl          latency-test       linuxcncmkdesktop.in  rip-environment.in  simulate_probe
emc                         hal_demo      haltcl.in       linuxcnc           realtime              rtapi.conf          swish
get-deb-component-from-git  halrun        latencyplot     linuxcnc.in        realtime.in           rtapi.conf.in       torture.py
get-version-from-git        halrun.in     latencyplot.in  linuxcncmkdesktop  rip-environment       runtests            version-is-release
cnc@cnc-VM:~/emc2_5-dev$ cat VERSION 
2.5.0
cnc@cnc-VM:~/emc2_5-dev$ emc
The emc script is deprecated; use the linuxcnc script instead
LINUXCNC - 2.5.0
Error in startup script: can't read "varval": no such variable
    while executing
"return $varval"
    (procedure "getVal" line 8)
    invoked from within
"getVal $rcstring PICKCONFIG LAST_CONFIG "
    (procedure "initialize_config" line 15)
    invoked from within
"initialize_config"
    invoked from within
"set last_ini [initialize_config]"
    (file "/usr/lib/tcltk/linuxcnc/bin/pickconfig.tcl" line 204)
cnc@cnc-VM:~/emc2_5-dev$ 

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26 Jun 2012 10:48 #21349 by BigJohnT
In 2.5 it is rip-environment.

John

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26 Jun 2012 10:48 #21350 by ArcEye
Hi

But there is NO ./scripts/emc_environment file.

You misunderstood me - that's what the

Allowing for re-branding changes

was about.
I am sure the new script IS called rip_environment, everything with emc in it was changed.

What you don't seem to have done is set configure for a RIP installation
./configure --enable-run-in-place
or checked what type of build you get by default.

My version of 2.5 was a pre-release one but configure still took
--prefix=/usr for a system install, and
--enable-run-in-place for a RIP install

The reason I guessed your paths are screwed up is that pickconfig was a tcl program to try to determine the correct .ini file to use, in the old emc script.

Assuming that your ~/linuxcnc directory exists and has some configs in it, need to make sure you have the correct build and environment for RIP.

regards

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26 Jun 2012 11:05 - 26 Jun 2012 11:07 #21353 by ArcEye
Hi Again

JT just answered one part whilst I was still writing and I can confirm that --enable-run-in-place appears to have been deprecated and configure should make a RIP build if you do not specify a --prefix=

I have just downloaded 2.5 from here
linuxcnc.org/hardy/dists/lucid/linuxcnc2...inuxcnc_2.5.0.tar.gz
( don't ask me why it is /hardy/dists/lucid/ seems to be the same file as at /lucid/dists/lucid/ !?)

compiled and run it with
./configure --enable-run-in-place (not necessary but makes sure)
make
make setuid
cd ../
. ./scripts/rip_environment
linuxcnc

sequence
without any problems.

Try that link and compile as above

regards
Last edit: 26 Jun 2012 11:07 by ArcEye.

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26 Jun 2012 11:30 #21355 by poolspieler
Hi ArcEye,
thank you for your effort!

I downloaded the tar-file and executed following sequence of commands:
./configure --enable-run-in-place
make
sudo make setuid
. ./scripts/rip-environment
linuxcnc

--> it is still the same result:
LD [M]  /home/cnc/emc2_5_0/src/wcomp.ko
  CC      /home/cnc/emc2_5_0/src/weighted_sum.mod.o
  LD [M]  /home/cnc/emc2_5_0/src/weighted_sum.ko
  CC      /home/cnc/emc2_5_0/src/xor2.mod.o
  LD [M]  /home/cnc/emc2_5_0/src/xor2.ko
make[1]: Verlasse Verzeichnis '/usr/src/linux-headers-2.6.32-122-rtai'
cp Module.symvers *.ko ../rtlib/
Updating 'whatis' database
Handbuchseiten unter /home/cnc/emc2_5_0/docs/man verarbeiten ...
Indexcache des Pfades »/home/cnc/emc2_5_0/docs/man/man1« wird aktualisiert. Bitte warten .../usr/bin/mandb: Warnung: /home/cnc/emc2_5_0/docs/man/man1/linuxcnc.1.in: fehlerhafter Dateiname wird ignoriert
fertig.
Handbuchseiten ohne »cat«-Dateien in /home/cnc/emc2_5_0/docs/man werden gesucht ...
Handbuchseiten unter /home/cnc/emc2_5_0/docs/man/cat3 verarbeiten ...
Handbuchseiten unter /home/cnc/emc2_5_0/docs/man/cat9 verarbeiten ...
Handbuchseiten unter /home/cnc/emc2_5_0/docs/man/cat1 verarbeiten ...
3 Handbuchverzeichnisse enthielten neuere Handbuchseiten.
225 Handbuchseiten wurden hinzugefügt.
0 Handbuchseiten ohne »cat«-Dateien wurden hinzugefügt.
0 alte Datenbankeinträge wurden entfernt.
You now need to run 'sudo make setuid' in order to run in place.
make: Verlasse Verzeichnis '/home/cnc/emc2_5_0/src'
cnc@cnc-VM:~/emc2_5_0/src$ sudo make setuid
[sudo] password for cnc: 
make: Gehe in Verzeichnis '/home/cnc/emc2_5_0/src'
chown root ../bin/linuxcnc_module_helper
chmod 4750 ../bin/linuxcnc_module_helper
chown root ../bin/pci_write
chmod 4750 ../bin/pci_write
chown root ../bin/pci_read
chmod 4750 ../bin/pci_read
make: Verlasse Verzeichnis '/home/cnc/emc2_5_0/src'
cnc@cnc-VM:~/emc2_5_0/src$ cd ..
cnc@cnc-VM:~/emc2_5_0$ . scripts/rip-environment
rip-environment     rip-environment.in  
cnc@cnc-VM:~/emc2_5_0$ . scripts/rip-environment
cnc@cnc-VM:~/emc2_5_0$ linuxcnc
LINUXCNC - 2.5.0
Error in startup script: can't read "varval": no such variable
    while executing
"return $varval"
    (procedure "getVal" line 8)
    invoked from within
"getVal $rcstring PICKCONFIG LAST_CONFIG "
    (procedure "initialize_config" line 15)
    invoked from within
"initialize_config"
    invoked from within
"set last_ini [initialize_config]"
    (file "/home/cnc/emc2_5_0/tcl/bin/pickconfig.tcl" line 204)
cnc@cnc-VM:~/emc2_5_0$ 

I could imagine two (or three) reasons:
- there is a problem with the installed tcl-version or with an other package
- I am running it in a virtual machine - perhaps I should test it on a real machine
- I am a little bit stupid ;)

Best Regards,

Andy

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26 Jun 2012 11:43 #21357 by ArcEye
Hi

I could imagine two (or three) reasons:
- there is a problem with the installed tcl-version or with an other package

I doubt that configure would finish if the python / tk /tcl packages were not right

- I am running it in a virtual machine - perhaps I should test it on a real machine

That is more likely - looks like it cannot find the configs for whatever reason

- I am a little bit stupid

Doesn't seem likely, you got this far!:)

regards

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26 Jun 2012 11:53 #21359 by poolspieler
ArcEye wrote:

- I am a little bit stupid

Doesn't seem likely, you got this far!:)


Thank you :silly:

Ok, I will try it on my real CNC PC.
What do you mean, should I remove the preinstalled LinuxCNC packages (from the Ubuntu LiveCd installation) first?

Best Regards,

Andy

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26 Jun 2012 12:28 #21361 by ArcEye

......should I remove the preinstalled LinuxCNC packages (from the Ubuntu LiveCd installation) first?

No, the whole point of a RIP build is that you can have as many as you like without interfering with the installed version.
I think I have 5 now, with the test build I did just now of 2.5.

regards

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